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General| Brand | Leroy-Somer |
|---|---|
| Model | AVR R250 |
| Category | Controller |
| Language | English |
Description of the auto-excited SHUNT excitation system with the R250 voltage regulator.
Key specifications including voltage regulation, response time, and protection for the R250 AVR.
Details on the Under/Over Frequency (U/F) and Load Acceptance Module (LAM) functions.
Information about the external potentiometer option for adjusting voltage settings.
Explains voltage drop and speed variation management by the Load Acceptance Module (LAM).
Illustrates LAM impact on voltage, frequency, and power during load changes.
Procedures for checking electrical connections and jumper settings prior to commissioning.
Covers adjustment of voltage (P1), stability (P2), and special uses like field weakening/forcing.
Troubleshooting guide for common faults like no voltage, voltage too low/high, and oscillations.
Details the part description, type, and code for the R250 AVR spare part.
Information on contacting technical support and guidelines for ordering spare parts.
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