Many windings voltage transformer

The utility model provides a many windings voltage transformer, including primary winding, three secondary winding, zero sequence winding and iron core, wherein, the A of primary winding, B, C leading -out terminal correspond the looks line connection with high voltage electric network respectively, and three secondary winding is respectively: a secondary winding is the secondary metering winding, and a secondary winding is the secondary measuring winding, another one secondary winding not only can do measure with but also can make protection usefulness, the zero sequence winding is opening delta connection, primary winding and three secondary winding are Y wiring, and this embodiment realizes one three winding and one the four single -phase earthed voltage transformer's of winding function on a single -phase earthed voltage transformer, provide necessary precondition for miniaturization, the low cost of power supply unit to have large capacity, high class of accuracy, a great deal of advantage such as multi