HET 60kVA Triple-Range Exciter Transformer (5kV-15kV)

Engineered for versatile high-voltage applications, the HET 60kVA exciter transformer delivers three precision outputs (5kV/10kV/15kV) with <10pC partial discharge at rated voltage. Features ONAN cooling and advanced electrostatic shielding for laboratory and industrial testing.

Technical Specifications

Core Design Features

Advanced Insulation System

• Electrostatic Shielding: Dedicated layer between HV 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 movable base

• Corona-Free Bushings: Fiberglass HV bushings (15kV 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

1. Triple Voltage Output: Single-unit solution for multiple test scenarios

2. Low Impedance: <5% voltage drop ensures accuracy

3. Corona-Free Operation: Verified at 15kV

4. Field Deployment: Wheeled design for test site mobility

Typical Applications

• Power transformer testing

• High-voltage cable evaluation

• Industrial equipment dielectric tests

• Research lab voltage generation

Complies with IEC 60076-3 insulation standards and IEEE C57.12.00 safety requirements. Recommended maintenance interval: 2 years or 2000 operational hours.