Automatic Voltage Regulator (AVR)

Diesel Alternator Voltage Adjustment Regulator AVR R449

Model Number: R449
Brand Name: AOT
Warranty: 1 year
In stock: yes
Product description: The circuitry of the R449 Automatic Voltage Regulator (AVR) provides closed loop control of the alternator output voltage by regulating the exciter field current
INQUIRY

The circuitry of the R449 Automatic Voltage Regulator (AVR) provides closed loop control of the

alternator output voltage by regulating the exciter field current. Which can be powered by either AREP

or the PMG field excitation systems and is fitted as standard on 8100 Series Alternators & 9100 Series

Alternators.

*Quad-rature droop adjustment

*Alternator output voltage adjustment

*Stability adjustment

*LAM Threshold (under speed) adjustment

*Excitation ceiling adjustment

*Selection of single phase or three phase* voltage sensing

*Selection of normal or rapid response time

*50 Hz or 60 Hz frequency option

*Remote voltage adjustment option

*LAM enable/disable option

Specifications

*Normal AVR supply power:2Auxiliary windings(X1,X2,and Z,Z2)

*Shunt supply:150V-50/60Hz

*Rated overload current:10A,10s

*Electronic built-in(overload,shortcircuit,and loss of sensing)

*Protection of power inputs by fuses F1

*Voltage Sensing:5VA insulated transformer with input voltage taps at:

*Terminals 0-110V=95 to 140V

*Terminals 0-220V=170 to 260V

*Terminals 0-380V=340 to 520V

Name	Generator Voltage Regulator AVR R449
Steady state voltage regulation	±0.5%
Remote voltage adjustment range	±5%
Short circuit capability	3 x Irated for 10 seconds
Voltage sensing	0-110v Terminals = 95 to 140 volts (50/60 Hz)
	0-220v Terminals = 170 to 260 volts (50/60 Hz)
	0-380v Terminals = 340 to 520 volts (50/60 Hz)
Response time	Normal (1 sec) for ± 20% voltage variation
Response time	Rapid (0.3 sec) for ± 20% voltage variation