Company UHV hall built in 2008 and put into use, its scale is designed and built in accordance with 1000kV/1000MVA transformer test, test hall 48 × 36 × 32m, six-sided shielding wall using Faraday cage structure.

So far, UHV hall has accumulated more than 300 sets of large power transformer test, focusing on projects 750kV/27OMVA transformer, 1000 kV / 400MVA transformers UHV all tests were India, Nigeria and 330kV customers supplied 400kV/270MVA / 300MVA power transformer has passed the China EPRI and KEMA in the Netherlands to witness the test laboratory, testing ability to obtain a well-known expert affirmed.

Nominal voltage: 4800kV

Nominal Energy: 720kJ

Grade capacitors: 1.5μF

Class number: 24

Cut device 3600kV, truncated system delay devices delay cables and two sets of electronic pulse ignition device.
 

（1）Frequency generator 15000kVA, rated output voltage 11kV, rated current of 787.3A.

（2）Dual-frequency generator 7500kVA, frequency of 50/60Hz.

（3）IF generator 2000kVA, frequency of 200Hz, the rated output voltage of 6.6kV.

（1）SZB-20000/11/2 × 30

（2）YDF-120000/66 test transformer

（3）750kV transformer test

Selection of a single capacitor rated voltage 21kV, rated capacity 500kVAR; total 266000 kVAR; can be a single, three-phase conversion and Y △ conversion, the maximum compensation voltage 110kV.

 

序号	例 行 试 验
1	绕组电阻测量
2	电压比测量和联结组标号检定
3	短路阻抗及负载损耗测量
4	空载损耗和空载电流测量
5	长时间空载试验
6	绝缘电阻测量、吸收比和极化指数测量
7	绕组的介质损耗因数（tand）和电容测量
8	铁心和夹件绝缘电阻测量
9	感应耐压试验和局部放电测量
10	雷电全波冲击试验
11	操作冲击试验
12	外施交流耐压试验
13	套管试验
14	套管电流互感器试验
15	冷却器（散热器）的密封试验
16	变压器密封试验
17	绝缘油试验
18	绝缘油中溶解气体分析
19	其他部件的检查试验：
20	变压器绕组变形试验。
21	分接开关试验（操作试验、切换时间测量、过渡电阻测量等）。
	型 式 试 验
1	温升试验（新产品提供温升试验报告，常规产品提供同类型产品的型式试验报告）
2	雷电截波冲击试验
3	中性点全波雷电冲击试验
	特 殊 试 验
1	声级测定
2	油箱机械强度试验
3	空载电流的谐波测量
4	风扇电机所吸取功率的测量
5	零序阻抗测量
6	电晕及无线电干扰测量
7	暂态传输特性测量
8	1.1倍额定电流发热试验
9	油流带电测量
10	开启油泵局部放电测量