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The system is specially designed for PD-free AC withstand voltage test for electric generator, capacitance of single phase to ground is 0.4-1.2uF, test voltage is no more than 24kV.
Working Environment
Test Power Supply, L and Cx Relationship Table
Capacitance range of test object (Cx) |
Adjustable range of reactor (L) |
0.4~1.2uF |
8H~26H |
PD-free AC power frequency withstand voltage test: adopts series resonant test device to make AC withstand voltage test and dielectric loss test for generator.
Reactor selection
Reactor |
Rated capacitance (kVA)
|
Rated Voltage(kV) |
Rated Current (A) |
Capacitance range (uF) |
Inductance range(H) |
Adjustable reactor 1 set |
225kVA |
25kV |
9A |
0.4~1.2 |
8~26H |
System Configuration
1. PD-free Excitation Transformer GDJL-27kVA/3kV/0.4kV (1 set)
2. PD-free Isolation Transformer GDGL-27kVA/380V/380kV (1 set)
3. PD-free Resonance Control Unit GDTF-27kVA/380V (Including voltage regulator) (1 set)
4. PD-free Adjustable Reactor GDDK-225kVA/25kV (1 set)
5. PD-free Capacitive Voltage Divider GDFR-30kV (1 set)
Company
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