HDVR-600kV/200mA High-Current Protection Resistor

Product Overview

Designed for high-current HVDC applications, the HDVR-600kV/200mA resistor provides critical protection for test systems operating at up to 600kV DC and 200mA continuous current, with a 15kΩ current-limiting design.

Technical Specifications

Protection System Configuration

Dual-Resistor Network

• AC Side: 10kΩ charging transformer protection

• DC Side: 15kΩ main current limiting resistor

• Adjustable mounting with secure locking mechanism

Failure Protection Scenarios

Unprotected System

1. Fault currents exceed 50A during shorts

2. Rectifier stacks (D1-D4) destroyed in <1ms

3. Transformer insulation failure occurs

With HDVR Protection

1. Peak current limited to <250mA

2. Voltage transients limited to <110%

3. System components remain protected

Design Features

• Thermal Management: Forced air cooling channels

• Voltage Grading: 6-stage capacitive grading system

• Mechanical: 2.4m epoxy core with corona rings

• Current Sensing: Integrated voltage divider taps

Protection Performance

Installation Requirements

1. Minimum 4m clearance from grounded surfaces

2. Vertical mounting preferred (max 10° deviation)

3. Annual resistance verification (±5% tolerance)

4. Pre-operation hi-pot test at 720kV

5. Infrared thermal scan at full load

Compliance Standards

• IEC 60060-1 (High-voltage test techniques)

• IEEE Std 4 (HV testing standards)

• EN 60204-1 (Safety of machinery)

• ASTM E1461 (Thermal conductivity testing)

Typical Applications

• Industrial HVDC power supplies

• High-current impulse generators

• Capacitor bank testing systems

• Plasma research equipment

• High-power rectifier protection

The HDVR-600kV/200mA resistor is specifically engineered for high-current HVDC systems where conventional resistors would fail. Its 15kΩ value and 6kW power rating make it ideal for protecting systems testing large capacitive loads up to 15nF at 600kV.