HET 350kVA/50kV Exciter Transformer - Ultra-High Voltage Testing Solution

The HET 350kVA/50kV,25kV,12.5kV,6.25kV Exciter Transformer is engineered for extreme high-voltage applications, featuring four output ranges, industry-leading partial discharge performance (<5pC), and military-grade operator protection systems.

Technical Specifications

Breakthrough Design Features

Voltage & Insulation System

• Quad-Range Output: Precision taps for 6.25kV to 50kV testing

• Electrostatic Shielding: Multi-layer insulation between HV windings

• Cylinder Windings: Balanced area distribution with electrostatic compensation

Safety & Protection

• Piezoresistor Arrays: Each HV output protected against transient surges

• Zinc Oxide Arresters: Grounded terminals prevent operator exposure

• 50kV Corona-Free: Fiberglass bushings with dual corona rings

Structural Engineering

• Mobile Test Platform: Wheel-mounted steel housing with shell-type oil tank

• Advanced Bushings:

• HV: Isovolumetric capacitance core fiberglass

• LV: Porcelain bushings by voltage grade

• Oil Management: Conservator with visual level indicator

Performance Advantages

Ultra-High Voltage

50kV capability for extreme testing scenarios

Micro-Discharge

<5pC ensures measurement integrity

Multi-Test Flexibility

4 ranges cover from standard to extreme tests

Flawless Insulation

Compound insulation tubes prevent aging

Industrial Applications

• Ultra-high voltage cable testing

• Power transformer factory acceptance

• GIS (Gas Insulated Switchgear) diagnostics

• National grid equipment validation

Certifications & Compliance

• IEC 60296 (Transformer Oil Standards)

• IEEE C57.12.90 (Test Procedures)

• EN 60076 (Power Transformer Safety)

Why This Transformer?

1. Unmatched Voltage Range: From 6.25kV to 50kV in one system

2. Research-Grade Precision: Laboratory-level partial discharge control

3. Military Protection: Multi-redundant safety systems

4. Future-Proof Design: Adapts to evolving testing standards

Conclusion

The HET 350kVA/50kV Exciter Transformer redefines ultra-high voltage testing, combining unprecedented range flexibility with failsafe protection mechanisms for mission-critical power infrastructure evaluation.