100kVA ~ 400kVA Range
HET 200kVA/3.3kV Exciter Transformer - Wide Frequency Range HV Test Solution
Technical Specifications
Parameter | Specification |
---|---|
Rated Capacity | 200kVA |
Frequency Range | 20-300Hz |
HV Output Voltage | 1.75kV / 2.5kV / 3.3kV |
LV Input Voltage | 500V / 550V / 600V |
Continuous Operation | 60 minutes at rated capacity |
Temperature Limits | 65°C (windings), 55°C (oil) |
Key Features
Advanced Electrical Design
Wide frequency operation (20-300Hz)
Electrostatic shielding between windings
Integrated measuring coil for HV voltage
Partial discharge-free design
Premium Construction
Oil-immersed shell-type construction
D0130-30 high-quality silicon steel core
Double-coil copper wire windings
Moisture absorber and oil expansion tank
Operational Excellence
60-minute continuous operation capability
Low sound level (≤60dB)
Low impedance (≤5%)
ONAN cooling with 25# transformer oil
Design Highlights
Optimized Bm value silicon steel core reduces losses
Ample safety distance between HV/LV windings
Complete monitoring system (oil thermometer, level indicator)
Transport-friendly component layout
Safety & Monitoring
Corona-free operation up to 3.3kV
Built-in isolation filter function
Thermal protection system
Visual oil monitoring indicators
Typical Applications
Frequency-tuned resonant test systems
Medium-voltage equipment testing
Cable and capacitor testing
Industrial HV component validation
Engineered for reliability, the HET 200kVA exciter transformer delivers stable performance across its entire 20-300Hz frequency range, making it ideal for demanding high-voltage testing applications.