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The R450 automatic voltage regulator (AVR) for the LSA series of industrial alternators provides excitation current up to 6 A with excellent reliability for SHUNT, permanent magnet (PMG) or AREP (auxiliary winding) excitation types.
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The R450 includes advanced protections such as over-excitation limitation and voltage sensing loss, and also features voltage droop for genset parallel operation. The R450 is also equipped with a Load Acceptance Module (LAM) to handle load impact events.
Key specifications:
Technology | Analog |
Excitation mode | SHUNT, AREP, PMG |
Rated excitation current | 6A |
Regulation accuracy (+/-%) | 0.5% |
Frequency range | 10 - 100Hz |
Voltage setting range (+/-%) | 5% |
kU/F limitation | k = 1.2 |
Loss of sensing voltage | ✓ |
Over-excitation limitation | ✓ |
Short circuit current limitation | ✓ |
Voltage drop | ✓ |
Parallel operation between alternators | ✓ |
Load acceptance module (LAM) | ✓ |
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