Guangdong ALI Testing Equipment Co,.Ltd
| 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 |
| CertifiCAT-partsion | CE/RoHs/ISO9001 |
| Place of Origin | China OEM and USA |
| Brand Name | GSKA |
| Model Number | SX460 |
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Product Specification
| 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 | CertifiCAT-partsion | CE/RoHs/ISO9001 |
| Place of Origin | China OEM and USA | Brand Name | GSKA |
| Model Number | SX460 | ||
| High Light | automatic ac voltage regulator ， avr automatic voltage regulators | ||
Half - Wave Phase AVR Automatic Voltage Regulators , SX460
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 |
Company Details
Business Type:
Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company
Year Established:
1985
Total Annual:
4Million-5Million
Employee Number:
50~100
Ecer Certification：
Active Member
Since establishment in 1985, Guangdong ALI Testing Equipment Co., Ltd, a wholly-owned subsidiary of GSKA Group has been providing a wide and complete range of products and services to the society. GSKA has now 16 offices, warehouses and service centres in China, with head office loCAT-part... Since establishment in 1985, Guangdong ALI Testing Equipment Co., Ltd, a wholly-owned subsidiary of GSKA Group has been providing a wide and complete range of products and services to the society. GSKA has now 16 offices, warehouses and service centres in China, with head office loCAT-part...
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