| 摘要 |
A device for voltage balance of three-phase voltage consists of a phase mane clamp and a phase clamp of an electrical energy receiver, power keys and a control unit. A three-phase three-rod transformer and a commutating one-phase transformer are additionally installed. Due to constructions of the three-phase three-rod transformer and the commutating one-phase transformer, their connecting circuit, a scheme of connection to the keys and mane clamps it is provided continuity of power supply in the case of switching of power keys when regulating three-phase system symmetry, reducing of installed capacity of the device, increasing of precision and reliability of the control unit.
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