220 kv high voltage cable kv高压电缆
220 kv substation kv变电所
220 kv switchgear kv配电装置
220 kV transformer kV变压器
220 kv transformers kv变压器
220 kV voltage grade kV电压等级
220 kV district grid kV分区电网
220 kv power network kv电网
In 1949, the largest thermal power unit of China was 10 MW and the highest transmission voltage was 220 kV, all designed and made by foreign countries.
1949年我国火电最大机组为1万千瓦，输电电压等级最高为220千伏，且全部为外国设计制造。
The tests of the grounding apparatus mounted at the transformer bushing tap and oil-filled paper condenser type bushing of 220 kV transformers in Shahe substation is presented.
对某电厂使用的变压器高压油浸纸电容式套管和环氧浸纸电容式套管的运行情况进行了比较，并对曾出现的故障类型进行了分析。
Transformers convert voltage to 220, then from 110 to 10 kV and only in such form electricity is fed into the town network.
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。
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