HTRS 350kV/8750kVA Dual-Voltage Resonant Test System

Dual-Voltage Configuration

Performance Characteristics

• Extended Operation:

• 1 hour ON/3 hours OFF at 100% rating

• 20-day continuous at 2/3 voltage & 1/3 current

• Ultra-Low PD: <2pC at 350kV

• Quality Factor: ≥40 (full load), ≥50 (no load)

• Precision Control: ±1% linearity across reactance range

Safety & Durability

Mechanical Design

Core Technology

• Precision adjustable iron coil with:

• 22:1 inductance adjustment ratio

• Dual epoxy resin insulation

• Advanced eddy-current prevention:

• 1Ni18T9 non-magnetic stainless steel

• Double lead screw mechanism

Enclosure System

• Tank-type construction with:

• 20kPa pressure-rated seals

• Aeronautical acrylate gaskets

• Thermal management:

• ONAN cooling

• ΔT ≤65K (winding), ≤55K (oil)

Standards Compliance

• International:

• IEC 60-1 (High Voltage Testing)

• IEC 1000 (EMC)

• National:

• GB 1094 (Reactor)

• GB/T 1094.10-2004 (Acoustics)

Typical Applications

1. Ultra High Voltage (UHV) cable testing

2. 500kV class transformer diagnostics

3. GIS partial discharge measurement

4. High-capacity capacitor bank validation

Quality Assurance

• Factory testing includes:

• 72-hour heat run test

• Partial discharge calibration

• Lightning impulse verification

• 3-year warranty on core components