This weakly module signal processor through integral, filter, replace and amply the weakly module signal transmit from electronic CT&PTs, finally, transmitting out accurately level and burden accordingly module single, provide secondary data collection. Between electronics instrument transformers tips and CYZAU-950 output; Between CYZAU-950 output tips and secondary IED all installed with aviation connector with Shielding glued line transmission, insulated outside interface efficiently.
Main technical parameter
1.Input Module Rang:
ECT: 0.1V-1V
EVT: 0.5-3.25V
2.Rated Input:
ECT 4V(Measuring), 200mA(Protective)
EVT 1.625/√3V, 2/√3V, 3.25/√3V,4/√3V,6.5√3V
3. Rated Burden: >10kΩ(ECT). >1MΩ(EVT)
4、Accuracy for measure winding : 0.2(ECT) ,0.2(EVT)
5、Accuracy for protection winding : 5TPE(ECT)、3P(EVT)
6.Working Circuit: 220VAC/50Hz 3W
7、Power Frequency withstand voltage : 2kV
8、Ambient temperature : -5℃-40℃(indoor)
9、Installation site : indoor
10、According to standard: GB/T 20840.7-2007&GB/T 20840-2007(custom design)