Home > Products > SF6 Gas AC Test Systems > PD Free Encapsulated SF6 Gas Insulation AC Test Transformer
PD Free Encapsulated SF6 Gas Insulation AC Test Transformer
US$ 20,000 - 500,000
/ Set
1 Set(Min. Order)
- Shanghai
- T/T L/C D/P D/A
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Product Details
| Place of Origin | China | Brand Name | FSHV | |
| Model Number | YDSW |
Product Description
PD Free Encapsulated SF6 Gas Insulation AC Test Transformer
Product Description
YDSW series encapsulated SF6 gas insulation AC test transformers are especially designed for factory and field test of metal-clad switchgear (GIS), and substation equipments on-site testing. These transformers can be flanged directly to GIS, they make testing of such installations possible without feeding them through an air-SF6 bushing. If equipped with output bushing, they can also be used for AC voltage test of other HV apparatus.
In the factory, these transformers allow to test sub-assemblies and components directly in the manufacturing line, thus avoiding transportation to a central test facility, and extra handling. Particularly they are suited for on-site tests of GIS after assembly.
Compared to conventional oil insulation AC test systems, they are lighter and smaller, only about 1/6 height and 1/7 weight, also the merits of encapsulation remain effective during tests which is essential for PD testing.
| | |
| 300kVA 300kV | 800kVA 800kV | 1250kVA 1250kV |
Application
AC test transformer systems are conventional AC high voltage test equipments, mainly designed for medium capacitance testing objects, particularly for tests requiring stable voltage even if the load changes under voltage (corona, wet & pollution tests).
Especially when the load is inductive (like inductive voltage transformers), tests need resistive current, AC test transformer systems are the only choice.
Configuration
| Essential | Optional |
| Regulating transformer | Isolation transformer |
| AC test transformer | Compensation reactor |
| Protect resistor | Power filter |
| Capacitor divider | HV filter |
| Control and measure system | Electronic fast protect device |
| Other configuration is possible upon request | |
Principle
Test transformer steps up the voltage coming from the regulating transformer. The controls act on the regulating transformer to adjust precisely the input voltage of the transformer and thus the test voltage.
If needed, a compensating reactor can be connected between the regulating and the test transformers and compensates the capacitive power required for the test object. This way, the regulating transformer and power line filter ratings can be kept small, and the requirements for the power supply are reduced.
Company Information
We are the leading and earliest manufacturer of high voltage, high current and high power test system in China, provide AC, DC, impulse testing and associated measuring equipment used to electrical application, such as testing project of power cables, power transformers, GIS switchgears, insulators, generators, arresters and etc. And test systems for laboratory, factory and field use are available.
Our factory was founded in 1970, and established R&D center institute of HV testing equipments in 1986, which cooperated with Shanghai Jiaotong University.
We are pleased to announce our quality management system has been approved to ISO 9001 : 2008, so far we have applied more than 58 invention patents.
We have well cooperated with many world famous electrical corporations, like ABB, ALSTOM, SIEMENS, TOSHIBA, HITACHI, HYUNDAI, AE POWERS and etc, also state grids, research institutes, universities and HV testing service providers, we have successfully offered them plenty of high voltage test systems, all well performed.
Our new factory is under construction, which will go into service in 2015, it will become the biggest manufacturer of high voltage testing equipment all over the world.
Contact us
| Contact person: Roger Chen Tel: 0086-159-8099 8097 Email: sales# Website: |
Contact Us
- Xiamen Fivestar Electric Test Equipment Co., Ltd.
- Contact nameRoger Chen Chat Now
- Phone86-592-5320837
- AddressTorch High-tech Zone, Xiamen, Fujian
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