| 1. Dry type on-load voltage-regulating transformer overview |
| With the expansion of urban construction, high-rise buildings and underground facilities, people's requirement |
| on power transformer in the field of fire prevention, environmental protection, energy saving and covering areas |
| increase continuously. As the resin insulated dry-type transformers have the advantage of fire prevention, not |
| easy to burn, in-explosive, does not pollute the environment, small volume, no oil, no special effect of fire |
| facilities, in-depth load, low cost of installation, maintenance-free, get rapid development recently years and |
| have become essential to power system equipment of China. The large capacity on-load voltage-regulating dry type |
| transformers have been paid more and more attention by electric supply and demand unit gradually as having the |
| advantage of supplying power voltage can be regulated rapidly and easily, the voltage is stable etc . |
| Large capacity on-load voltage-regulating dry power transformers are usually used to locations of high load |
| level, and with always be pair configuration. They are supplied by two separate 35kV power grid, each of the |
| secondary side are connected distribution transformers of nearly same total capacity, and secondary connected by |
| on-load isolate switch . |
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