D350 | excitation current up to 5 A
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The D350 digital automatic voltage regulator (AVR) for industrial alternators provides excitation current up to 5 A with excellent reliability for SHUNT, permanent magnet (PMG) or AREP (auxiliary winding) excitation types.
D350 includes advanced protections such as over-excitation limitation and voltage sensing loss. It also includes speed detection capabilities, with over- and under-speed alarms. D350 also features voltage droop for genset parallel operation, and it is equipped with a Load Acceptance Module (LAM) to handle load impact events.
Configuration & setup
D350 can be configured using the Leroy-Somer EasyReg Advanced software.
Technical notes
| Technology | Digital |
| Excitation mode | SHUNT, AREP, PMG |
| Rated excitation current | 5 A |
| Regulation accuracy (+/- %) | 0.25 % |
| Frequency range | 10 – 100 Hz |
| Voltage setting range (+/- %) | 30 % |
| kU/F limitation | 0.5 < k< 3 |
| Loss of sensing voltage | ✓ |
| Over-excitation limitation | ✓ |
| Short circuit current limitation | ✓ |
| Voltage droop | ✓ |
| Parallel operation between alternators | ✓ |
| Load Acceptance Module (LAM) | ✓ |