The droop adjustment is normally preset in the works to give 5 voltage droop at full load zero power factor. Signal injected into the avr and increases the droop with lagging.
26d Voltage Regulator Wiring Diagram 1970 Wiring Library
Mx321 avr wiring diagram pdf. The droop adjustment is normally preset in the works to give 5 voltage droop at full load zero power factors. Control function turn potentiometer clockwise to. Mx automatic voltage regulator avr specification controls and accessories voltage. Power factor dependent signal for the avr. The surface in the area where a label is to be stuck must be flat. Obscured by the customers wiring or other fittings.
Danger live electrical conductors live electrical conductors at output avr and avr accessory terminals and avr heat sink can cause serious injury or death by electric shock and burns. Is connected to s1 s2 on the avr see generator wiring diagram for details. Excitation power is derived from a three phase permanent magnet generator pmg to isolate the avr control circuits from the effects of non linear loads and to reduce radio frequency interference on the generator terminals. Mx321 avr controls 6 a043y701 issue 2 32 initial avr setup notice the avr must be setup only by authorised trained service engineers. Vac to vac maximum 3 phase 3 wire refer to alternator wiring diagram for connection. Clockwise increases the amount of ct.
Refer to diagram in the back of this manual to determine wiring. Mx automatic voltage regulator avr. Stamford as540 automatic voltage regulator. Red capacitor generator circuit diagram avr mx mx is a three phase sensed automatic voltage regulator and forms part of the excitation system for a brush less generator. Stamford mx341 automatic voltage regulator. Mx321 automatic voltage regulator avr for cummins 1250kva generators.
All stamford generators are supplied with a declaration of incorporation for the. 63 manual voltage regulator mvr mx341 and mx321 avr 18 64 overvoltage de excitation breaker sx421 and mx321 avr 18 641 resetting the breaker 19 65 current limit mx321 avr 19. Stamford mx321 automatic voltage regulator. Mx321 is a three phase sensed automatic voltage regulator and forms part of the excitation system for a brush less generator. Refer to alternator wiring diagram for connection details. Is connected to s1 s2 on the avr see generator wiring diagram for details.
Stamford as480 automatic voltage regulator. Signal injected into the avr and increases the droop with lagging power factor cos 0. Fitting and operating refer to generator wiring diagram for connection details. Clockwise increases the amount of ct. A043y701 issue 2 5 ref. Is available as an option using either the mx or mx avr.