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Hydro Quebec's Multiterminal HVDC Story

机译：魁北克水电公司的多端HVDC故事

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In 1986, Hydro Quebec (HQ) began commercial operation of an HVDC transmission line between its Des Cantons station and the Comerford station of New England Electric System (now National Grid USA). The 450 kV line was capable of transmitting 690 MW of power, and provided a controllable link between the Quebec and New England AC systems. These facilities were actually the first phase of a much more ambitious project to accommodate the power transfers required by a new firm energy sates contract to New England for the delivery of 70 TWh over a ten-year period terminating in September 2001. Thus, the combined needs of the firm energy contract, internal load increase and generation development in northern Quebec lead to the expansion of the HVDC system both north and south with multiple terminals in Quebec and New England. The project HQ and NEES undertook would become what is still today the world's largest multiterminal HVDC transmission system.
机译：1986年，魁北克水电局（HQ）开始在其Des Cantons站与新英格兰电力系统（现为National Grid USA）的Comerford站之间的HVDC输电线路进行商业运营。 450 kV线路能够传输690 MW的电力，并提供了魁北克和新英格兰交流系统之间的可控链路。这些设施实际上是更雄心勃勃的项目的第一阶段，以适应新的坚定能源合同向新英格兰提供的电力传输，以在2001年9月终止的十年内交付70 TWh。魁北克北部能源合同的紧迫需求，内部负荷的增加以及发电的发展，导致北部和南部高压直流输电系统的扩展，在魁北克和新英格兰有多个码头。总部和NEES承担的项目将成为今天仍然是世界上最大的多终端HVDC输电系统。

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