可选带电池，用市电输入电源，适合各国电网及电压不稳地区。
It can select battery, electric supply input power, it is suitable for most countries electric net and pressure.
变压器把电压转化为220千伏，然后从110千伏转化为10千伏。只有以这种方式，电力才能被配送到城市电力网。
Transformers convert voltage to 220, then from 110 to 10 kV and only in such form electricity is fed into the town network.
当市电断路时，工作于电压控制模式，提供稳定的交流电源输出。
While the unity power is failed, the power conditioner works in voltage-controlled mode so as to output AC voltage.
提高配电网电压等级是提升城市电网供电能力的有效途径。
To lift the voltage level of distribution network is an effective method to enlarge the power supply capacity of the urban network.
柔性直流输电利用电压源换流器的自换向特性使其具有诸多优点，研究其在城市电网中的应用具有重要意义。
Flexible DC power transmission has many advantages due to the use of voltage source converter's self-commutated characteristics.
柔性直流输电利用电压源换流器的自换向特性使其具有诸多优点，研究其在城市电网中的应用具有重要意义。
Flexible DC power transmission has many advantages due to the use of voltage source converter's self-commutated characteristics.
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