Key facts
- Manuals
- 6
- Languages
- ZH
- Last added
- 2011-11-30
Featured SEG manuals
SEG MRF2 Frequency Rate Relay User Manual
This manual describes the features, performance, and working principle of the SEG MRF2 frequency‑rate relay. It explains the circuit architecture, digital processing, and the measurement of frequency and df/dt values.
The document also covers operation and adjustment procedures, LED indicator meanings, parameter settings, and wiring diagrams for both primary and secondary side connections. A specification table and output assignment details are provided at the end. This manual is written in Chinese.
Covers: Features and Performance · Working Principle · Operation and Adjustment · LED Indicators · Measurement of Frequency and df/dt · Parameter Settings
SEG MRR1 Rotor Protection Relay Manual
The SEG MRR1 is a multi‑function rotor protection relay for synchronous generators. It provides rotor ground‑fault detection, excitation‑current monitoring and rotating‑diode failure protection, with programmable alarm and trip functions.
The document covers introduction, key features, mechanical design, wiring diagrams, LED indicators, operation principles, step‑by‑step setting procedures, relay testing, full technical specifications and ordering information. It also explains how to configure the RS‑485 interface and how to reset or lock out protection functions. This manual is written in Chinese.
Covers: Introduction · Features · Design · Connections · Display · LED Indicators
Latest SEG manuals
SEG MRF2 Frequency Rate Relay User Manual
User Manual 22 pages · 463 KB · ZHThe SEG MRF2 Frequency Rate Relay User Manual provides installation, operation, adjustment, and troubleshooting instructions.
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SEG MRR1 Rotor Protection Relay Manual
User Manual 18 pages · 519 KB · ZHThe manual describes features, wiring, operation, settings, testing and technical data of the SEG MRR1 rotor protection relay for synchronous generators.
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Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in SEG manuals
What is the rated frequency of the MRF2 relay?
The relay is rated for a frequency of 50 Hz.
How many times is the frequency measurement repeated?
The frequency measurement is repeated four times.