HCRS 1500kV/4500kVA Resonant Test System Technical Overview

System Configuration

The HCRS series resonant test system features modular design with three operation modes:

• Three-stage configuration: 1500kV/3A output

• Two-stage configuration: 1000kV/3A output

• Parallel connection: 500kV/6A output

Core Technical Parameters

Load Compatibility

Optimized for testing various capacitive loads:

• 1500kV output: 5305pF (with voltage divider)

• 1000kV output: 79600pF (with voltage divider)

• 500kV single-stage: 31830pF (with voltage divider)

• 500kV parallel: 37130pF (with voltage divider)

Insulation & Safety Features

• Withstands 1650kV (1.1× rated voltage) for 1 minute

• Partial discharge <5pC at 100% rated voltage

• Dual epoxy resin tubes with stainless steel brackets

• Temperature monitoring with ΔT≤65K (winding), ≤55K (oil)

Advanced Structural Design

1. Core material: 30-0-100 grain-oriented electrical steel

2. Adjustable air gap design with guide rail system

3. Eddy current reduction through special curing process

4. Thermal expansion compensation for oil-filled system

5. Grounding shields between windings and core

Operational Specifications

• Duty cycle: 1 hour ON / 1 hour OFF (6 cycles daily)

• Continuous operation: 60min at rated load

• Design life: >60 years

• Cooling: ONAN (Oil Natural Air Natural)

Single-Stage Reactor (HCRS 500kV/1500kVA)

• Nominal inductance: 442H (min)

• Optimal load capacitance: 15916pF

• Quality factor: Q≥60 @60Hz

• 550kV withstand voltage (1 minute)

This system represents the latest advancement in variable inductance power frequency resonant technology, developed through collaboration with leading research institutions to ensure reliable performance in high-voltage testing applications.