Power Frequency Non-Partial Discharge Testing Transformer

Working Environment
1. Ambient temperature: -150C -45 0C;
2. Relative humidity: ≤90% RH;
3. Altitude: ≤ 2500 meters;
System Configuration
1. Free PD test transformer HZQW-20KVA/100KV
2. Free PD pressure regulating console HZWJH-20KVA/380V
3. Isolation filter transformer HZB-20KVA/400V
4. Coupling capacitor HZF-100KV
5. Free PD protection resistance HZR -100KV/8K
6. Analog partial discharge tester HZJF-9011
7. Supporting test connection lines, shields, shielded lines, etc.
Main Technical Indicator
1. The equivalent capacitance ranges from 6pF to 250 μ F
2. Number of channels: single channel
3. Measurement range: 0.1pc-10000nc
4. Detection sensitivity and allowable current (see Table 1)
NO. | Tuning Capacitance Range | Sensitivity (PC) (Unbalanced Circuit) | Effective Value Of Allowable Current | |
Unbalanced Circuit | Balance Circuit | |||
1 | 0~25~100pF | 0.02 | 30mA | 0.25A |
2 | 25~100~400pF | 0.04 | 50mA | 0.5A |
3 | 100~400~1500pF | 0.06 | 120mA | 1A |
4 | 400~1500~6000pF | 0.1 | 0.25A | 2A |
5 | 1500~6000~25000pF | 0.2 | 0.5A | 4A |
6 | 0.006~0.025~0.1μF | 0.3 | 1A | 8A |
7 | 0.025~0.1~0.4μF | 0.5 | 2A | 15A |
8 | 0.1~0.4~1.5μF | 1 | 4A | 30A |
9 | 0.4~1.5~6.0μF | 1.5 | 8A | 60A |
10 | 1.5~6.0~25μF | 2.5 | 15A | 120A |
11 | 6.0~25~60μF | 5 | 25A | 200A |
12 | 25~60~250μF | 10 | 50A | 300A |
7R | Resistance | 0.5 | 2A | 15A |
















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