≤100kVA Range
HET 60kVA Multi-Range Exciter Transformer (1.5kV-6kV)
Engineered for versatile high-voltage testing, the HET 60kVA exciter transformer delivers three precision outputs (1.5kV/3kV/6kV) with ONAN cooling and advanced electrostatic shielding. Ideal for laboratory and industrial test applications requiring multiple voltage ranges.
Technical Specifications
Parameter | Specification |
---|---|
Rated Capacity | 60kVA |
Input Voltage (LV) | 0.4kV |
Output Voltage (HV) | 1.5kV / 3kV / 6kV |
Current Ratings | 150A (LV) / 40A/20A/10A (HV) |
Frequency | 50Hz |
Impedance Voltage | <5% |
Core Design Features
Advanced Insulation System
Electrostatic Shielding: Dedicated layer between HV-LV windings
Cylinder-Type Windings: Balanced top/bottom area distribution
Compound Insulation Tube: Reduces partial discharge and shields iron core
Voltage Stabilization: Electrostatic compensation for uniform distribution
Mechanical Construction
ONAN Cooling: Oil Natural Air Natural system
Steel Housing: Shell-type oil tank with conservator
Mobile Design: Wheel-mounted with 360° mobility
Corona-Free Bushings: Fiberglass HV bushings (6kV rated)
Protection Systems
Electrical Protection
Zinc oxide arresters on all HV outputs
Piezoresistors per HV terminal
Isovolumetric capacitance core for bushings
Structural Safety
Porcelain LV bushings
Multi-layer turn-to-turn insulation
Flashover protection for main/minor insulation
Performance Advantages
Triple Voltage Output: Single-unit solution for multiple test scenarios
Low Impedance: <5% voltage drop ensures accuracy
Corona-Free Operation: Verified at 6kV
Field-Ready: Wheeled base for lab/field deployment
Typical Applications
Low-voltage circuit breaker testing
Industrial equipment dielectric tests
Research lab voltage generation
Transformer factory QA testing
Complies with IEC 60076-3 for insulation coordination and IEEE C57.12.00 safety standards. Recommended maintenance cycle: 2 years or 1800 operational hours.