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The R630 automatic voltage regulator (AVR) for the LSA series of alternators provides excitation current up to 15 A with excellent reliability for SHUNT, AREP & PMG excitation types.
The R630 supports 3-phase sensing as a standard and can be equipped with optional modules to allow follower manual mode, and Cos Phi & kVAR regulation modes.
Key specifications
| Technology | Analog |
| Excitation mode | SHUNT, AREP, PMG, SHUNT + Booster |
| Rated excitation current | 15 A |
| Regulation accuracy (+/- %) | 0.5 % |
| Frequency range | - |
| Voltage setting range (+/- %) | 10 % |
| kU/F limitation | 1 < K < 2 |
| Loss of sensing voltage | - |
| Over-excitation limitation | ✓ |
| Short circuit current limitation | ✓ |
| Voltage droop | ✓ |
| Parallel operation between alternators | ✓ |
| Load Acceptance Module (LAM) | - |
Compatible products
Options
- PF / kVAR regulation modes
- U=U automatic equalization (voltage matching) before coupling
- Grid power factor regulation, 4-20 mA signal
- Manual mode, manual mode + follower
- Stator current limitation
- External potentiometer
