D550 Genuine Leroy Somer AVR
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Description
D550 Genuine Leroy Somer AVR offers excitation currents of up to 7 A while maintaining high reliability and precision for SHUNT, permanent magnet (PMG), or AREP (auxiliary winding) excitation types.
D550 Genuine Leroy Somer AVR includes advanced protections such as over-excitation limitation and voltage sensing loss and also features voltage droop for Genset parallel operation. The D550 is also equipped with a Load Acceptance Module (LAM) to handle load impact events.
The D550 has sophisticated safeguards like as over-excitation limiting and voltage sensing loss, as well as voltage droop enabling Genset parallel operation. The D550 additionally has a Load Acceptance Module (LAM) to deal with load impact situations.
Product specifications
| Technology | Digital |
| Excitation mode | SHUNT, AREP, PMG |
| Rated excitation current | 7 A |
| Regulation accuracy (+/- %) | 0.25 % |
| Frequency range | 10 – 400 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) | ✓ |
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