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La conversión CA-CC de las líneas de transmisión ayuda a resolver el dilema de la demanda de energía
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News provided by

Xinhua Silk Road

Apr 30, 2024, 09:11 ET

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- Xinhua Silk Road: La conversión CA-CC de las líneas de transmisión ayuda a resolver el dilema de la demanda de energía y la mejora de la red en el este de China

PEKÍN, 30 de abril de 2024 /PRNewswire/ -- El domingo se puso en servicio en la provincia oriental de China de Jiangsu el proyecto de transmisión eléctrica de corriente continua Yangzhou-Zhenjiang, el primero de China en convertir las líneas de transmisión de corriente alterna en líneas de corriente continua.

Sin cambiar la estructura principal de las torres de transmisión a través del río Yangtsé, State Grid Jiangsu Electric Power Co., Ltd. modernizó las líneas de transmisión entre las dos ciudades a distintos lados del río para mejorar la capacidad de transmisión de las redes existentes.

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Como ejemplo reproducible, el proyecto significa mucho para las zonas con una gran población, pero espacio limitado para la construcción de nuevas redes, ya que las tecnologías de conversión CA-CC relacionadas pueden resolver los problemas de transmisión de energía a larga distancia entre las redes eléctricas regionales y ahorrar muchos costes, comentó Chen Songtao, director de planificación y gestión del departamento de construcción de State Grid Jiangsu Electric Power Co., Ltd.

En la actualidad, la transmisión de electricidad al sur de Jiangsu desde el norte de Jiangsu, salpicado de nuevos proyectos energéticos, se basa principalmente en seis corredores de transmisión a través del río Yangtsé. Pero el aumento de la demanda de transmisión eléctrica y la mayor protección ecológica del río Yangtsé hacen menos probable la construcción de nuevos corredores, por lo que ahora es más imperativo mejorar la capacidad de transmisión de los corredores existentes.

En comparación con las líneas de transmisión de corriente alterna, las de corriente continua del mismo voltaje tienen mayor capacidad de transmisión y menores pérdidas. Gracias a la conversión de corriente alterna a corriente continua, las líneas de transmisión Yangzhou-Zhenjiang tienen ahora una capacidad de transmisión de 1,2 millones de kW.

Aparte de la ampliación de capacidad, la conversión CA-CC de las líneas de transmisión tiene múltiples ventajas, como la alta fiabilidad y la eficiencia económica. Si tomamos como ejemplo el tramo que cruza el río Yangtsé, su periodo de construcción fue entre 5 y 6 meses más corto que el de la construcción de nuevas líneas de transmisión, y la inversión correspondiente se redujo en casi 60 millones de yuanes, añadió Chen.

Utilizando robots inteligentes para lograr una construcción altamente eficiente y ecológica, State Grid Jiangsu Electric Power vio la eficiencia relacionada mucho mejor que la construcción manual tradicional. Xu Huaiyu, ingeniero jefe adjunto del proyecto, indicó que la empresa había desarrollado de forma independiente un lote de resoluciones de ingeniería para el cambio de líneas de transmisión de larga distancia y nueve logros de innovación para facilitar la siguiente construcción.

Una vez concluidas las fases II y III del proyecto, su capacidad de transmisión alcanzará probablemente los 3,60 millones de kW y seguirá satisfaciendo la demanda de transmisión eléctrica de Jiangsu.

Enlace original: https://en.imsilkroad.com/p/339979.html

Foto - https://mma.prnewswire.com/media/2401145/pic.jpg

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