PT protection measuring and control device refers to the voltage transformer microcomputer protection measurement and control device,Is mainly used for the protection and measurement of Busbar PT cabinet.The PT protection device produced by us is suitable for the measurement of 110kV and the voltage level of double Busbar PT, protection, coordinate, switching, etc and achieve the equivalent voltage of two sections of PT.Products have perfect protection function with Busbar grounding alarm (open delta voltage), PT disconnection alarm, PT pressure loss alarm, Busbar low voltage alarm, Busbar over voltage alarm, Busbar insulation monitoring, PT tied, PT switch and .And has the measurement function of Busbar voltage：Uab1、Ubc1、Uca1、3Uo1、Uab2、Ubc2、Uca2、3Uo2 functions；also the PT protection and control device has 485 communication, Ethernet communication, optical fiber communication and other communication interface, is the best choice of voltage transformer protection!
busbar PT Parallel protection relay
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