Technical Specifications Three‑phase current and voltage measurement inputs, multi‑channel digital inputs, relay output contacts, P5 communication interface. Supports multi‑channel RTD sensor input. Enhanced transient waveform capture memory. Operating ambient temperature ‑20 ℃ to +65 ℃, storage temperature ‑40 ℃ to +85 ℃, relative humidity 5%‑95% non‑condensing. Front‑panel LCD display and operation keypad.
Functional Features Executes generator overload, over‑current, over‑voltage, under‑voltage, reverse power, phase unbalance and ground fault protection. Collects generator winding and bearing temperature data from RTD sensors. Captures high‑resolution transient fault waveform, fault snapshot and unit operation event logs. Measures generator three‑phase electrical parameters. Supports local manual operation and remote control via communication bus. Configurable alarm and trip output logic.
Application Scenarios Generator protection equipment for distributed power plants, cogeneration units and industrial backup generating sets requiring high‑quality fault waveform analysis.
Performance Parameters High‑precision electrical sampling, enhanced transient waveform recording capacity, generator‑specific configurable protection curves, stable remote communication transmission performance.
Material Composition Flame‑retardant plastic housing. Main CPU processing board with extended waveform storage memory, signal conditioning circuit, relay output assemblies. Front‑panel LCD and keypad assembly. Screw‑type field wiring terminal blocks. Metal mounting clip hardware.
Structural Characteristics Standard cabinet panel‑mount housing. Front panel equipped with LCD display, status LED indicators and setting push‑buttons. Rear side arranges CT/PT, digital I/O, RTD and communication wiring terminals. Mounting clips lock relay into cabinet panel cut‑out opening.
Installation Requirements Complete CT, PT, digital I/O wiring follow official wiring diagram. Connect RTD and communication cables. Power‑on unit, configure generator parameters and protection setting values, complete function and waveform recording verification test.
Usage Notes CT and PT secondary circuits prohibit open‑circuit operation. RTD and communication wiring adopt shielded cables. Protection setting values must match generator actual nameplate data.
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