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Alternator Spare Parts Stamford AVR Sx460 Sx440

Quantity:
  • Land Use
  • Emergency Crew, Standby Unit, Common Units
  • DC
  • Air Cooled
  • Fixed
  • Diesel Generator
  • SX460
  • Black
  • Carton
  • 175*150*65mm
  • China
  • 8503009090
  • US$ 30/Piece 1 Piece(Min.Order) | Request Sample

Product Features

1.Introduction:

SX460 is a half-wave phase- controlled thyristor type Automatic Voltage Regulator and forms

part of the excitation system for a brushless generator. In addition to regulating the generator

voltage, the AVR circuitry includes under speed and sensing loss protection to ensure safe,

reliable control of the generator. Positive voltage build up from residual levels is ensured by

the use of proficient semiconductors inthe power circuitry of the AVR. Which is linked with the

main stator windings and the exciter field windings to offer closed loop control of the output voltage

with load regulations of +/- 1.5%

Stability adjustment

Under frequency roll off adjustment

2.Technical data:

Parameter sheet of Standford AVR SX460

Input

Voltage

Jumper selectable 95-132V ac or 190-264V ac

Frequency

50-60 Hz nominal

Phase

1

Output

Voltage

max 90V dc at 207V ac input

Current

continuous 4A dc, intermittent 6A for 10 secs

Resistance

15 ohms minimum

Regulation

+/- 1.0%

Thermal Drift

0.05% per deg. C change in AVR ambient

Typical system response

AVR response

20ms

Filed current to 90%

80 ms

Machine Volts to 97%

300ms

External voltage adjustment

+/-10% with 1 k ohm 1 watt trimmer

Under frequency protection

Set point

95% Hz

Slope

170% down to 30 Hz

Unit power dissipation

12 watts maximum

10 watts maximum

Build up voltage

4 Volts @ AVR terminals

Environmental

Vibration

20-100 Hz,50mm/se

100Hz - 2kHz, 3.3g

Operating temperature

-40 to +70 Deg. C

Relative Humidity 0-70 Deg. C

95%

Storage temperature

-55 to +80 Deg. C

3. Pictures

Alternator Spare Parts Stamford AVR Sx460 Sx440
Alternator Spare Parts Stamford AVR Sx460 Sx440

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