HET 250kVA/16kV Exciter Transformer - Dual-Tap Testing Solution

Technical Specifications

Key Features

Dual-Tap Flexibility

• High-voltage tap: 0-16kV @ 9.375A

• High-current tap: 0-8kV @ 18.75A

• Continuous 150kVA operation

Advanced Protection

• Zinc oxide arresters on all terminals

• Piezoresistors for each HV output

• 16kV corona-free bushings

• Electrostatic shielding between windings

Robust Construction

• Steel housing with integrated wheels

• Oil-immersed shell-type design

• Fiberglass bushings with corona rings

• Isovolumetric capacitance core

16kVMax Voltage

18.75A8kV Output

<4%Impedance

Design Advantages

1. Cylinder-type winding with balanced area distribution

2. Compound insulation tube skeleton

3. Turn-to-turn insulation layers

4. Electrostatic compensation shielding

Safety Systems

• Main/minor insulation protection

• Flashover prevention design

• Oil conservator with level indicator

• Transport-secured components

Typical Applications

• Cable withstand voltage testing

• Transformer factory acceptance tests

• High-voltage component R&D

• Switchgear validation

The HET 250kVA/16kV excels in both high-voltage and high-current testing scenarios with its unique dual-tap design, delivering flexible solutions for diverse HV testing requirements.