Power transformer is a kind of static electrical equipment, which is used to change a certain value of AC voltage into another or several different values of voltage with the same frequency. In recent years, China's power construction has de
The upstream industries of power transformer manufacturing industry are silicon steel sheet, copper, aluminum and other non-ferrous metals. Transformer raw materials constitute the main cost of the industry. For general power transformer, si
No matter the star connection or triangle connection, for dry-type transformer, ABC three-phase arbitrary exchange, that is, the connection of ABC three-phase line is inconsistent in the design, then the inconsistent rule will be copied to t
Dry type transformer connection mode 1. Short circuit the input and output terminals of the transformer, and test the insulation resistance with the ground wire with a megger. When measured by 1000V megger, the resistance is greater than 2m
The advantages and disadvantages of dry type transformer and oil immersed transformer are that dry transformer is more expensive than oil transformer in price. In terms of capacity, there are more oil transformers with large capacity than dr
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