Load Capacitor
HRC 45kV/30,000pF Load Capacitor
Primary Application: Precision load for resonant test systems and dielectric loss measurements
Electrical Specifications
| Parameter | Specification | Standard |
|---|---|---|
| Rated Voltage | 45 kVrms | IEC 60358-1 |
| Withstand Voltage | 49.5 kV (110% for 60s) | IEC 60060-1 |
| Capacitance | 30,000 pF ±1.5% | IEC 60384 |
| Dielectric Loss | ≤0.5% (tanδ) | IEC 60250 |
Mechanical Design
Construction
Insulation: Epoxy-impregnated oil-paper tube
Temperature Coefficient: <50 ppm/°C
Corona Ring: Aluminum alloy (Ø300mm)
Interface
HV Connection: Corona-free scalable terminal
Measurement Lead: Shielded 10kV-rated wire
Base: Removable with lockable casters
Frequency Characteristics
Operating Range: 20-300 Hz
Capacitance Deviation: ≤±0.5% across range
Resonant Applications: Compatible with series/parallel configurations
Note: For frequencies >300Hz, derate voltage by 5%/100Hz
Installation & Measurement
Ensure minimum 1.5m clearance to grounded objects
Connect measuring lead to variable frequency power source
Verify base stability before energizing
For two-stage serial connection:
Maintain equal cable lengths
Synchronize power source phases
Safety Features
Overvoltage Protection: Internal spark gaps
Transport Safety: Corona ring detaches for packing
Grounding: Dual-point earthing terminals
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