HTRS 250kV/5000kVA Multi-Tap Resonant Test System

Electrically Switched Voltage Configuration

Key Performance Specifications

• Ultra-Low PD:

• <5pC at 250kV (100%)

• <2pC at 200kV (80%)

• Precision Waveform: ≤1.5% deviation

• Exceptional Q Factor: ≥40

• Noise Level: ≤75dB at full load

Safety & Durability Tests

Advanced Mechanical Design

Core Components

• High-permeability D0130-30 silicon steel core

• Four-output HV winding system:

• 10kV lotus-style external bushings

• Motorized tap switching mechanism

• Epoxy-insulated stainless steel structure:

• Eddy current loss prevention

• Thermal expansion compensation

Sealing System

• Aeronautical-grade fluorine rubber seals:

• Hardness: 70 Shore A

• Tensile strength: ≥12MPa

• Oil-resistant (25# transformer oil)

• Machined base with stress-relief treatment

Thermal Management

• Operational Limits:

• 1 hour continuous at 100% rating

• Unlimited at 80% rating

• Temperature Rise:

• Winding: ≤65K

• Oil: ≤55K

Typical Applications

1. EHV transformer frequency testing

2. High-capacity cable resonant verification

3. GIS partial discharge measurement

4. Industrial HV component validation

Quality Assurance

• Factory testing includes:

• Lightning impulse tests

• Partial discharge calibration

• Thermal imaging verification

• Complies with:

• GB 1094 (Power Transformers)

• IEC 60270 (Partial Discharge)