Technical Specifications Complete generator‑oriented protection function library including stator earth‑fault, differential protection, loss‑of‑excitation, reverse‑power, over‑voltage and under‑frequency protection. Rich configurable analog input, binary input and binary output channels. Supports IEC61850, Modbus TCP, IEC60870‑5‑103 communication protocols. Auxiliary power supply 80‑250 V DC / 85‑265 V AC. Typical power consumption 16 W. Operating temperature ‑25 ℃ to +55 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Front‑panel protection grade IP40, rear terminal area IP20. Complies with CE and IEC power‑equipment standards.
Functional Features Provides comprehensive primary and backup protection for synchronous generators. Measures generator current, voltage, active power, reactive power, power factor and energy parameters. Collects status signals of generator circuit‑breaker, disconnector and excitation equipment, realizes local and remote control. Stores massive sequence‑of‑event logs and high‑resolution disturbance fault waveforms. Front‑panel HMI completes parameter setting and status browsing. LED indicator array displays power supply, running, trip and multi‑group alarm status. Built‑in full‑range hardware self‑diagnosis detects internal faults and triggers classified alarm output.
Application Scenarios Mounted inside generator‑set control cabinet. Applied for protection and control of hydro‑generator, turbo‑generator in thermal power plants, hydropower stations and distributed power generation stations. Suitable for new‑construction and retrofitted generator protection projects.
Installation Requirements Secure the device firmly inside generator‑set control cabinet. Connect auxiliary power supply strictly within rated voltage range. Complete CT, VT, binary input‑output wiring in accordance with engineering schematic drawings. Connect communication cables for remote monitoring function. Download protection settings and application configuration through supporting engineering software. Implement reliable protective grounding complying with power plant specifications. Inspect front‑panel LED working status after power‑on.
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