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Half - Wave Phase AVR Automatic Voltage Regulators , SX460

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Half - Wave Phase AVR Automatic Voltage Regulators , SX460

چین Half - Wave Phase AVR Automatic Voltage Regulators , SX460 تامین کننده

تصویر بزرگ :  Half - Wave Phase AVR Automatic Voltage Regulators , SX460

جزئیات محصول:

Place of Origin: China OEM and USA
نام تجاری: Stamford
گواهی: CE/RoHs/ISO9001
Model Number: SX460

پرداخت:

Minimum Order Quantity: 1-5 pieces
قیمت: Negotiable
Packaging Details: Standard plywood and wood package.the actual package size against goods size and handle requires.
Delivery Time: one weeks on receipt of official sales contract
Payment Terms: L/C,D/P,D/A, Alipay, West Union, TT. Cash,Paypal
Supply Ability: 500 pieces per Month
Port:: HongKong or ShenZhen,ShangHai,Dalian as required
Contact Now
توضیحات محصول جزئیات

 

 

 

Half - Wave Phase AVR Automatic Voltage Regulators , SX460

 

  1. Stamford AVR  : SX460
  2. Sensing voltage : jumper selectable120(95-132)VAC, 240(190-264)VAC, single phase 2wire
  3. Frenquency : 50-60Hz nominal
  4. Generator Power : <150kw

 

SX460 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms 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 build 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.

 

A frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO).

 

This can easily be changed to 50 or 60 Hz in the field by push-on link selection. Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output.

 

Stamford AVR            

SX460

Sensing voltage

jumper selectable120(95-132)VAC, 240(190-264)VAC, single phase 2wire

Frenquency

50-60Hz nominal

Voltage Input

Max 90VDC at 207VAC input  

Resistance

15 Ω minimum

Regulation

<±1% RMS with 4% engine governing

Voltage Build-up

residual voltage at avr terminal >5vac

External Voltage Adjustment

:+/-7% with 1k ohm 1 watt trimmer

Generator Power

<150kw

 

اطلاعات تماس
Jackwell Limited

تماس با شخص: Jennylai

تلفن: +8613058566006

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