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AVR R230 Automatic Voltage Regulator For Generator of Leroy Some


  • Half-wave phase-controlled thyristor type
  • 1 phase 2 wire 45-65 Hz
  • Input Voltage 120VAC(90-140VAC)
  • Current continuous 8A
  • Output voltage max.100VDC@120VAC input
  • Easy to Install
  • Low Cost
  • Click Here To Download R230 User Manual

 7,500.00  8,500.00

AVR R230 Automatic Voltage Regulator For Generator of Leroy Some

Buy Leroy Somer AVRs Diode/Rotating Assemblies in Pakistan. You can buy the AVR R230 Automatic Voltage Regulator of Leroy Somer online anywhere from Pakistan or by visiting Electronic Power House (EPH) and Tetralink Technologies (TLT)   in Lahore. We are the main distributor of Leroy Somer AVRs in Pakistan.  We have all original Leroy Somer AVRs always ready in stock. All international & local brands of generator controllers are also available at very reasonable and best prices in Pakistan.

Key Features of AVR R230

  • Half-wave phase-controlled thyristor type
  • 1 phase 2 wire 45-65 Hz
  • Input Voltage 120VAC(90-140VAC)
  • Current continuous 8A
  • Output voltage max.100VDC@120VAC input
  • Easy to Install
  • Low Cost

General description

R230 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and form part of the excitation system for a brush-less generator.

In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals.

Positive voltage builds up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR.

The AVR is linked with the main stator windings and the exciter field windings to provide closed-loop control of the output voltage with load regulation of +/- 1.0%.

In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature, and power factor of the generator.

Control:

VOLT: To adjust the generator output voltage (clockwise increase output voltage)

 STAB: To prevent voltage hunting (clockwise increase the damping effect). The correct setting can be found by running the generator at no load and slowly turning the stability control anti-clockwise until the generator voltage starts to become unstable.

UFO: Under Speed Protection

Cautions:

  1. Before running the generator, turn the VOLT control fully anti-clockwise.
  2. Turn STAB control to the midway position.
  3. Connect a suitable voltmeter (0-300V ac) across the line to the neutral of the generator.
  4. Start Genset, and run on no load at nominal frequency e.g 50-53Hz
  5. Red LED refers to the Power of AVR.
  6. Carefully turn VOLT control clockwise until the rated voltage is reached.
  7. If instability is present at rated voltage, refer to STAB adjustment, then re-adjust voltage if necessary.
  8. Voltage adjustment is now completed.
brands

EPH

color

Black

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