HET 100kVA Three-Tap Exciter Transformer

High-Capacity Variable Frequency Solution

This 100kVA single-phase exciter transformer delivers three selectable high-voltage outputs with wide frequency operation (30-300Hz), designed for demanding testing applications.

Electrical Parameters

Performance Characteristics

• Partial Discharge: <10pC @ rated voltage

• Insulation Level: GB1094.3-96 compliant

• Cooling Method: ONAN (Oil Natural Air Natural)

• Temperature Rise: Winding ≤65K, Oil ≤55K

• Sound Level: <65dB

Key Technical Features

Voltage Options

• Three preset output voltages

• 16kV corona-free operation

• Adjustable input voltage range

Frequency Characteristics

• Wide 30-300Hz operating range

• Continuous 15min operation at rated capacity

• 1-hour continuous operation within temperature limits

Structural Design

• Steel housing with wheel-mounted mobility

• Shell-type oil tank with conservator

• Copper lead wire winding

Protection System

1. Electrical Protection:

• Piezoresistors on all HV outputs

• Zinc oxide arresters for grounding

• Fiber glass bushings with corona rings

2. Insulation System:

• Electrostatic shield between windings

• Cylinder winding with turn-to-turn insulation

• Compound insulation tube skeleton

Technical Specifications

Typical Applications

• Variable frequency resonant testing

• Power transformer excitation

• High-voltage cable testing

• Circuit breaker testing

• Electrical research laboratories

Safety Compliance

• GB1094.3-96 insulation standards

• Flashover protection from external surges

• Thermal monitoring with automatic protection

• Isovolumetric capacitance core design

The HET 100kVA three-tap exciter transformer combines flexible voltage outputs with wide frequency operation, delivering reliable performance for demanding high-voltage testing applications.