AVR R449 Automatic Voltage Regulator for Diesel Generator
$104.00
Availability: 20 in stock
Substitute Leroy Somer Alternator Voltage Regulator AVR R449
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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.
Details
*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 |
| Rapid (0.3 sec) for ± 20% voltage variation |
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