The circuitry of the R449 Voltage Regulator AVR provides closed loop control of the alternator output voltage by regulating the exciter field current.
- Automatic Voltage Regulator | Exact Generic Replacement for R449
- Steady state voltage regulation ± 0.5%
- Short circuit capability: 3 x Irated for 10 seconds (AREP or PMG excitation)
- Voltage sensing: 0-110v Terminals = 95 to 140 volts (50/60 Hz) or 0-220v Terminals = 170 to 260 volts (50/60 Hz) or 0-380v Terminals = 340 to 520 volts (50/60 Hz)
- Response time: Normal (1 sec) for ± 20%
- Voltage variation or Rapid (0.3 sec) for ± 20%
- voltage variation. Remote voltage adjustment range: ± 5%
