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General| Frequency | 50/60 Hz |
|---|---|
| Regulation Accuracy | ± 1% |
| Protection | Short-circuit |
| Storage Temperature | -40 to +85 °C |
| Cooling | Natural convection |
| Type | Automatic Voltage Regulator (AVR) |
| Output Voltage | 400V AC |
Introduces the R448 AVR and covers essential safety measures, including warning symbols for safe operation.
Details the physical characteristics and provides methods to distinguish between different R448 AVR models.
Describes the AREP excitation system, its power supply configuration, and operating principles.
Details the PMG excitation system, its power source, and connection to the AVR.
Explains the SHUNT and separate excitation systems, their functions, and new features.
Outlines technical specifications, configuration jumpers, and potentiometer settings for the R448 AVR.
Explains frequency-voltage relationships and the Load Acceptance Module (LAM) characteristics and functions.
Details LAM effects on engines and lists available R448 AVR optional modules for enhanced functionality.
Guides through essential electrical checks and AVR settings adjustments during installation and initial setup.
Covers special operating uses, field weakening, forcing, and provides guidance on electrical fault troubleshooting.
Provides part numbers and codes for ordering replacement AVR units and components.
Offers contact information and advice for obtaining technical assistance and spare parts from the manufacturer.
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