Home > Products > AC Test Transformer Systems > Cylinder type PD free AC Test Transformer for GIS Switchgear HV Withstand Voltage Dielectric Test
Cylinder type PD free AC Test Transformer for GIS Switchgear HV Withstand Voltage Dielectric Test
USD $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 | YDTW-G | Power | Electronic | |
| Usage | Other, GIS HV test |
Product Description
Cylinder type PD free AC Test Transformer for GIS Switchgear HV Withstand Voltage Dielectric Test
Introduction
YDTW series cylinder type AC test transformers are of module type and oil insulated, inner insulating materials are transformer oil, shells are insulating cylinders, which are made of epoxy resin.
The high voltage can directly feed to test object without bushing, and modules are allowed to stack in cascade to reach very high voltage levels by keeping reasonable floor space.
Rated voltage of single module can be up to 750kV, the highest voltage can reach 2250kV by stacking three of these transformer modules.
| | |
| One module | Two modules | Three modules |
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.
Reference
| | |
| Alstom 4500kVA/3×600kV | Areva 4800kVA/2×600kV | Jingke 750kVA/500kV |
| | |
| Pinggao 7200kVA/3×600kV | Xikai 3000kVA/3×500kV | TEBA 1500kVA/2×375kV |
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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