Tags: MECC ALTE AVR SR7-2G for MECC ALTE Alternators

Description

The SR-7 type voltage regulator is an advanced design electronic 5 Amp regulator that ensures excellent performance of the alternators while they are running and during starting. The regulator is equipped with a complete protection system against operation conditions that could be dangerous for the machine. The SR-7 regulator is suitable for being used with all Mecc Alte alternators and is standard supply for power outputs below 85 KVA, both three-phase and single phase.

This is a negative feedback system, in which the constantly maintained variable is the alternator voltage output. This voltage, after adequate conditioning, is compared with a signal that is stabilised in voltage, temperature and age. The result is an error signal which,when opportunely amplified and compensated, produces a control level that enters an impulse width modulator. The output of this modulator pulses an SCR with continuous excitation voltage produces in conjunction with, undergoing electromagnetic conversion by generator operation,transforms into generator output voltage. The value of this size is controlled by the “sensing” block.