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LEROY SOMER AVR, auto voltage regulator R448

  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
  • LEROY SOMER AVR, auto voltage regulator R448
Model No.︰R448
Brand Name︰OEM
Country of Origin︰China
Unit Price︰US $ 125 / pc
Minimum Order︰1 pc
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Product Description

Specification

SENSING/POWER INPUT
Voltage:90-480VAC/40-150VAC, 3 phase
MAGNETIC FIELD OUTPUT
Voltage:Max 160VDC at 120VAC input
Current:Max 10A
PRESSURE REGULATING ACCURACY
< +/-1% (with 4% engine governing)

Products Description

Specification of Leroy Somer R448 AVR:
Ø Steady state voltage regulation ± 0.5%
Ø Short circuit capability: 3 x Irated for 10 seconds (AREP or PMG excitation)
Ø Voltage sensing: 0-110v Terminals = 95 to 140 volts (50/60 Hz) or
0-220v Terminals = 170 to 260 volts (50/60 Hz) or
0-380v Terminals = 340 to 520 volts (50/60 Hz)
Ø Response time:Normal (1 sec) for ± 20% voltage variation or Rapid (0.3 sec) for ± 20% voltage variation
Ø Remote voltage adjustment range: ± 5%

Load Adjustment Module (LAM):

On load impact, the rotation speed of the generator set decreases. When it passes below the preset frequency threshold, the LAM causes the voltage to drop by approximately 15% and consequently the amount of active load applied is reduced by approximately 25% until the speed reaches it's rated value again

Adjustment capability of R448 Leroy Somer Alternator AVR:

The Leroy Somer R448 Voltage Regulator features the following adjustment capabilities (Please note that no adjustments should be made prior to careful consultation of the alternator installation and maintenance manual):
n Quadrature droop adjustment
n Alternator output voltage adjustment
n Stability adjustment
n LAM Threshold (underspeed) adjustment
n Excitation ceiling adjustment
n Selection of single phase or three phase* voltage sensing
n Selection of normal or rapid response time
n 50 Hz or 60 Hz frequency option
n Remote voltage adjustment option
LAM enable/disable option

 

Price Terms︰EXW shenzhen
Payment Terms︰T/T,WESTERN UNION.PAYPAL
Packing︰export carton
Lead Time︰3 days
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