Abstract
The autotransformer voltage regulation is divided into two types: on-load voltage regulation and non-excitation voltage regulation. According to the position, it can be divided into medium voltage side line end voltage regulation, neutral point voltage regulation, and series winding end voltage regulation. This paper describes that a certain ODFPS-1000000/1000 transformer uses neutral point voltage regulation to change the magnetic flux for voltage regulation, and gives the magnetic flux, the coil zeta potential and the linear variation of the three-phase voltage, especially the formula for the compensation principle. Derivation and principle analysis.
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