R120
- Overview
- Specifications
- Compatible Products
The R120 automatic voltage regulator (AVR) for the TAL series of industrial alternators provides excitation current up to 4 A with excellent reliability.
The R120 includes advanced protections such as over-excitation limitation and voltage sensing loss.
| Technology | Analog |
| Excitation mode | SHUNT |
| Rated excitation current | 4 A / 6 A for 30 s |
| Regulation accuracy (+/- %) | 1% |
| Frequency range | 20 – 100 Hz |
| Voltage setting range (+/- %) | 10% |
| kU/F limitation | k = 1.2 |
| Loss of sensing voltage | ✓ |
| Over-excitation limitation | ✓ |
| Short circuit current limitation | - |
| Voltage droop | - |
| Parallel operation between alternators | - |
| Load Acceptance Module (LAM) | - |