The compensators used in the project are part of a family of technologies known as Flexible Alternating Current Transmission Systems (FACTS).

该补偿器用于该项目的一部分家庭的技术称为灵活交流输电系统(FACTS)。

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Ceramic insulator is widely used in alternating and direct current transmission system. But there exist some problems when using ceramic insulator in direct current transmission system.

瓷绝缘子广泛使用在交直流输电系统中，但在直流输电系统中使用还存在很多问题。

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Large-scale electricity transmission usually uses alternating current, in which both current and voltage oscillate.

ECONOMIST: Superconductors are starting to become useful

At 400 kilovolts, a standard value for long-distance transmission, an alternating current 30 metres (100 feet) from the ground has a fortieth of the loss of a similar cable at ground level.

ECONOMIST: Power transmission