35KV LCD display line phase protection measurement digital overcurrent protection relay

KPM83L LCD display line phase protection measurement digital overcurrent protection relay is based on high-performance DSP processor and embedded real-time operating system, it is a protection and monitoring devices that integrated protection, monitoring and control, communications.

It is suitable for substations, power plants, industrial and mining enterprises, construction and other fields with voltage levels up to 35KV. It has such functions as protection, telemetry, remote mains, remote adjustment and remote control to achieve full control and management of it. , we can provide line protection and monitoring and control, transformer protection and control, motor protection and control, PT protection and control, capacitor protection and control, spare power source automatic throw-in device coupler protection and other product types.

KPM83L digital overcurrent protection relay is mainly used for comprehensive protection, control and measurement of transformers with voltage levels of 35KV and below.

Product show for KPM83L digital overcurrent protection relay

Functions of KPM83L digital overcurrent protection relay

Measurement and control functions of KPM83L digital overcurrent protection relay

• 14-way remote signaling is opened for collection;
• Remote control of circuit breaker, signal output (alarm signal, protection action signal, power-off signal, quick-break action signal, over-current action signal, zero-sequence over-current action signal, overload alarm signal, self-trip signal, high-temperature alarm signal);
• I_A,I_B,I_C,U_a,U_b,U_c,l_a2,l_b2,l_c2,I₀₁,I₀₂,P,Q,F,COS medium analog; protection event sequence recording (SOE).

KPM83T transformer protection relay analog input

The input analog values are: protection currents l_a2, l_b2, l_c2, I₀₁(high voltage side), I₀₂ (low voltage side) for overcurrent protection and high voltage side zero sequence overcurrent protection; measuring currents I_A, I_B, I_Cfor current monitoring and power calculation; voltage U_a, U_b, U_c as low voltage blocking components and measuring voltage and power.

Technical parameters of KPM83T transformer protection relay