R220
- Overview
- Specifications
- Options
- Compatible Products
The R220 automatic voltage regulator (AVR) for the Leroy-Somer LSA series of industrial alternators provides excitation current up to 3.2 A with excellent reliability for SHUNT excitation types.
The R220 AVR cannot be used in dedicated single-phase 60 Hz. Please use dedicated R221.
Technology | Analog |
Excitation mode | SHUNT, 3-phase and 1-phase |
Rated excitation current | 3.2 A |
Regulation accuracy (+/- %) | 0.5 % |
Frequency range | 10 – 100 Hz |
Voltage setting range (+/- %) | 5 % |
kU/F limitation | K = 1 |
Loss of sensing voltage | - |
Over-excitation limitation | - |
Short circuit current limitation | - |
Voltage droop | - |
Parallel operation between alternators | - |
Load Acceptance Module (LAM) | - |