AVR - Automatic Voltage Regulator DVR2000E
El DVR2000E es un regulador de voltaje electrónico de estado sólido, basado en microprocesador, que controla la salida de voltaje de generadores de CA sin escobillas ajustando la corriente en el campo excitador. Se alimenta de un generador de imán permanente (PMG) de alta frecuencia y múltiples polos. Este AVR viene en un paquete encapsulado para montaje detrás del tablero, fijado con tornillos a su carcasa de plástico, e incluye indicadores LED que muestran el estado del generador y del sistema. Las conexiones se realizan mediante terminales de conexión rápida de un cuarto de pulgada en el panel trasero, donde también se encuentra un conector DB-9 de 9 pines para la comunicación con una PC. Para cumplir con la norma UL 509 y evitar el contacto accidental con terminales y disipadores de calor con corriente, el DVR2000E se suministra con una cubierta moldeada que debe instalarse siempre que se le aplique energía.
AVR - DVR2000E belongs to the generator excitation circuit and holds the output voltage within about ±1 % when the load steps up or down.
AVR wear is thermal. It works inside the generator compartment with no ventilation of its own, so it is usually the first module to age on a high-hour set. Keeping one on the shelf avoids a multi-day stop for a low-cost part.
Specifications and compatibility
- Applicable to
- MARATHON ELECTRIC
- Dimensions
- 25 x 6 x 13 cm
- Weight
- 2.00 kg
How to verify before ordering
- Check that the reference printed on the AVR label (for example AS440, MX341, R120) matches exactly; variants differ in sensing range and excitation level.
- Confirm the excitation input voltage and the generator type it serves. They are not interchangeable across generator makes or speed ranges.
- Inspect wiring and brushes before replacing the module: a loose connection produces exactly the same symptoms as a burnt AVR.
Frequently asked questions
How do I know the fault is the AVR and not the generator?
Measure output voltage at steady load. If it is low and does not respond to the excitation trim, while windings and rotating diodes are healthy, the AVR is the suspect. A cross-test with a spare AVR confirms it in minutes.
Can the voltage be trimmed after installation?
Yes. Most of these regulators have a voltage and a stability trim pot. Set them at no load to the site nominal voltage, then verify under load before signing off.
Related parts
See the spare parts catalogue or request a quotation quoting the equipment reference. Third-party trademarks are cited for identification purposes only.
Specifications
| Characteristics | |
|---|---|
| Applicable To | BASLER ELECTRIC, MARATHON ELECTRIC |
| Weight | 2,00 kg |
| Dimensions | 25 x 6 x 13 cm |
| Spare Parts | |
|---|---|
| Generator Parts | AVR |