通过导频控制器的输出电压控制热敏电阻，从而改变调节网络的增益，达到稳定传输电平的目的。

The output voltage of controller exerts an influence on thermal resistor so as to change gain characteristic in regulation circuit, thus the transmission levels being stabilized.

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轻型直流输电是一种新型的直流传输技术，采用电压源型(vsc)换流站以及PW M控制技术。

HVDC Light is a new HVDC transmission system, based on Voltage Source Converters (VSC) and Pulse Width Modulation (PWM).

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高电压输电降低了功率损耗，并许可运用更小的导体传输线。

Transmitting electricity at high voltages reduces the power loss and permits the use of smaller conductors in the transmission line.

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