HET 60kVA Dual-Output Exciter Transformer (2×10kV)

Designed for demanding test environments, the HET 60kVA exciter transformer delivers dual 10kV outputs with <5pC partial discharge performance. Features ONAN cooling and zinc oxide overvoltage protection for reliable operation in industrial and laboratory settings.

Technical Specifications

Performance Metrics

• Temperature Rise: Continuous operation rated

• Noise Level: ≤60dB at 1m distance

• Corona Free: Verified at 20kV

Key Design Features

Advanced Insulation System

• Electrostatic Shielding: HV-LV winding isolation layer

• Cylinder-Type Windings: Balanced area distribution

• Compound Insulation Tube: Reduces PD and shields core

• Voltage Stabilization: Electrostatic compensation technology

Mechanical Construction

• ONAN Cooling: Oil Natural Air Natural system

• Steel Housing: Shell-type oil tank with conservator

• Mobile Design: Wheel-mounted movable base

• Fiberglass Bushings: 20kV corona-free operation

Protection Systems

Electrical Protection

• Zinc oxide arresters on all HV outputs

• Piezoresistors per HV terminal

• Isovolumetric capacitance core

Structural Safety

• Porcelain LV bushings

• Multi-layer turn insulation

• Flashover protection for all insulation

Performance Benefits

1. Dual-Output Flexibility: Parallel/series configuration options

2. Ultra-Low Noise: 60dB operational ceiling

3. Reliable Cooling: ONAN system for continuous operation

4. Field Deployment: Wheeled design for test site mobility

Typical Applications

• Power transformer factory testing

• High-voltage cable qualification

• Industrial equipment dielectric tests

• Research lab voltage generation

Compliant with IEC 60076-11 (dry-type) and IEEE C57.12.01 (liquid-immersed) standards. Recommended calibration interval: 18 months.