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DR-E3 intelligent integrated online monitoring system
1, OLTC monitoring: gear indicator, gear shift count, contact wear, temperature difference monitoring, level high / low, switching current energy record, driving motor energy change;
2, cooling system monitoring: Fan / pump failure alarm, fan / pump run time, cooling system, circuit breaker, contactor fault action of cooling system of selecting switch, a cooling fan / pump motor running current;
3: the top oil temperature, temperature monitoring / bottom oil temperature, environment temperature, each phase winding of transformer winding hot spot temperature, optical fiber temperature measurement, cooler inlet and outlet temperature;
4, transformer oil safety status monitoring: nine kinds of dissolved gas monitoring, oil moisture content monitoring in transformer, transformer life assessment, arc discharge monitoring, transformer electrical measuring PD monitoring of transformer partial discharge monitoring, ultrasonic and UHF PD monitoring of transformer and bushing capacitance and dielectric loss monitoring, DC magnetic bias and tightening force monitoring, core and clamp connected to current monitoring;
5, auxiliary equipment alarm: the pressure of mutation, the fuel level, nitrogen pressure, gas alarm.