Description
EMRI
6GA2 491-1A
GENERATOR AVR
PG36658Q2/L
EMRI2491 V1.0
6GA2492 V1.1
E251497
94V-0
The EMRI 6GA2 491-1A (PG36658Q2/L) is a generator automatic voltage regulator belonging to the automatic voltage regulator system of a shipboard power plant. It controls generator excitation so the output voltage is held at the level demanded by the main switchboard and its consumers. Markings include the version references EMRI2491 V1.0 and 6GA2492 V1.1, the reference E251497 and a 94V-0 rating. Within the generating set, this regulator is the control element that links alternator output to the excitation supply. The unit is supplied in New Open Box condition.
Key Features
✓ Generator AVR marked 6GA2 491-1A
✓ Part reference PG36658Q2/L
✓ Version marking EMRI2491 V1.0
✓ Version marking 6GA2492 V1.1
✓ E251497 and 94V-0 markings
Marine Applications
✓ Voltage regulation on main diesel generator sets
✓ Excitation control for auxiliary alternators
✓ Output voltage control on emergency generators
✓ Holding switchboard bus voltage as generator load changes
Technical Support
Prota Marine provides technical support, repair and onboard installation for the generator AVR and the wider automatic voltage regulator system. Our engineers assist with fault diagnosis of voltage and excitation problems and give commissioning support when the regulator is returned to service.
