HET 180kVA Exciter Transformer - High Voltage Testing Solution

Product Overview

The HET 180kVA exciter transformer is a single-phase unit designed for demanding high-voltage testing applications. With multiple output voltage options (4kV, 9kV, 18kV) and wide frequency range (20-300Hz), it serves as a core component in resonant test systems.

Technical Specifications

Key Features

Advanced Safety Protection

• Zinc oxide arresters on all HV outputs

• Ground-connected input/output terminals

• 18kV corona-free HV bushings

• Integrated piezoresistors for surge protection

Robust Construction

• Steel housing with movable wheel base

• Shell-type oil tank with conservator

• Fiberglass bushings with corona rings

• Porcelain bushings for LV connections

Optimized Insulation System

• Multi-layer insulation between windings

• Electrostatic shielding for voltage distribution

• Compound insulation tube winding skeleton

• Partial discharge reduction design

Applications

This exciter transformer is ideal for:

• Cable withstand voltage testing

• GIS and switchgear testing

• Transformer factory tests

• High-voltage component R&D

Operational Parameters

• Temperature Limits: 65°C (windings), 55°C (oil surface)

• Sound Level: ≤60dB

• Impedance: ≤5%

• Insulation Oil: 25# transformer oil

Design Advantages

Our exciter transformer features precision-engineered capacitance grading with:

1. Balanced top/bottom winding areas

2. Isovolumetric capacitance core design

3. Optimized turn-to-turn insulation

4. Iron coil shielding technology

The HET 180kVA exciter transformer combines robust construction with advanced electrical protection, delivering reliable performance for critical high-voltage testing applications.