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General| Brand | Leroy-Somer |
|---|---|
| Model | R 450 M |
| Category | Control Unit |
| Language | English |
Details the AVR casing, operating conditions, and physical specifications for panel mounting.
Distinguishes between R450M (single-phase) and R450T (three-phase) versions.
Lists specific tools needed for handling "Mate N Lok" connectors.
Explains the AREP excitation method, its power source from auxiliary windings, and characteristics.
Describes the PMG excitation method using a permanent magnet generator for AVR power.
Details the SHUNT excitation method where the AVR is powered by the main winding.
Covers maximum power supply, overload current, electronic protection, fuses, and voltage sensing.
Details settings for voltage, stability, droop, and excitation limitation via potentiometers.
Explains selections for LAM, U/F ratio, excitation type, time response, and voltage sensing.
Describes frequency vs. voltage variation and the LAM's role in load acceptance.
Illustrates typical effects of LAM on voltage and frequency during load changes.
Lists optional modules like current transformers, voltage transformers, and specific regulation functions.
Outlines essential electrical checks and verification of rotating switch selections before setup.
Guides on initial potentiometer settings, voltage/stability adjustments, and parallel operation setup.
Covers field weakening for shunt/AREP/PMG, and field forcing applications with voltage/time parameters.
Provides a troubleshooting guide for common electrical faults, their causes, and corrective actions.
Lists specific part numbers for R450M and R450T AVR voltage regulators.
Advises on how to contact technical support and order spare parts, recommending genuine parts.
