Application: | Power, Electronic, Instrument, Lighting |
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Phase: | Three |
Core: | Core-type Transformer |
Cooling Method: | Dry-type Transformer |
Winding Type: | Multi-winding Transformer |
Certification: | ISO9001, CCC |
Customization: |
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Company founded in 2010. The company's headquarters is located in Jinhe community of Zhangmutou town in Dongguan. The practical area of the factory is about 10 thousand square meters. It sets up distribution outlets in East China, North China, northwest and other places. It is a high-tech enterprise in Dongguan. The company has more than 20 patents.
No. | Parameter | Test terminal | Test value | Test condition |
1 | No load output voltage | a1-b1-c1 | 850V+/-3% | Input: A-B-C,1000V 50Hz no load output |
a2-b2-c2 | 1000V+/-3% | |||
2 | Load output voltage | a1-b1-c1 with rated resistive load 3200KVA,load current 2174A | 850V+/-5% | Input: A-B-C, 1000V/50Hz |
a2-b2-c2 with rated resistive load 3200KVA,load current 1848A | 1000V+/-5% | |||
3 | Overvoltage Capacity | 1.15*1.2 times | Input: A-B-C | |
4 | Rated apparent power | 3200KVA | ||
5 | Working Frequency | 45~65Hz | ||
6 | Connection Group | D/yn11 | ||
7 | No load current | A-B-C | <180A | Input A-B-C, 380V/50Hz, no load output |
8 | Short circuit resistance | Average Voltage between A/B/C 380V*100% | (8+/-2)% 25+/-5ºC |
Input a2-b2-c2 short circuit, b2 output line current 1848A |
9 | Temperature rise | Hottest spot in the coil | <110K | Input 1000Vac 50Hz with rated resistive load, 3200KW air forced cooling |
10 | Full load efficiency | a2-b2-c2 with rated resistive load 3200KW,load current 1848A | >99% 25+/-5ºC |
Input: A-B-C, 1000V/50Hz |
11 | Insulation grade | H | ||
12 | Insulation resistance | Winding-core, primary-secondary, temperature relay-winding, core | >100Mohm | 500V DC, temperature<40C, humidity<80% |
13 | Dielectricity strength | Winding-core, primary-secondary, temperature relay-winding, core | <100mA, no arcing breakdown | 3500V/50Hz/60s |
14 | Noise | one meter distance | <75dB | Rated condition |
15 | Magnetizing rush current | 12In(reference) | ||
16 | Harmonic bearing capacity | Can withstand voltage and current with harmonic content of 5% for a long time, transformer temperature rise in the prescribed range, and meet the corresponding isolation requirement. |
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