HDVR-1500kV/20mA Extreme HVDC Protection Resistor

Product Overview

Designed for the most demanding ultra-high voltage applications, the HDVR-1500kV resistor provides essential protection for 1.5MV DC test systems with its precision 100kΩ current-limiting design and 20mA continuous rating, capable of handling 30kW continuous power dissipation.

Technical Specifications

Protection System Architecture

Dual-Resistor Network

• AC Side Protection: 10kΩ charging transformer resistor

• DC Side Protection: 100kΩ main limiting resistor

• Robotic positioning with 50μm accuracy

Failure Protection Mechanism

Unprotected System Risks

1. Fault currents exceed 200A during shorts

2. Rectifier stacks destroyed in <5μs

3. Complete system failure

4. Catastrophic damage costs

HDVR Protection Benefits

1. Peak current limited to <25mA

2. Voltage transients capped at 103%

3. 99% reduction in component damage

4. Automatic fault isolation

Design Features

• Voltage Grading: 15-stage AI-controlled grading system

• Thermal Management: Submerged fluorocarbon cooling

• Mechanical: 5m ceramic-epoxy core with octagon corona shields

• Monitoring: Quad-redundant fiber-optic sensors

Protection Performance

Installation Requirements

1. Minimum 10m clearance from grounded surfaces

2. Laser-aligned vertical installation (<0.1° deviation)

3. Weekly automated resistance verification (±0.5% tolerance)

4. Pre-commissioning test at 1800kV for 120 minutes

5. Real-time partial discharge monitoring

Compliance Standards

• IEC 62271-1 (1500kV+ equipment)

• IEEE Std 1845 (Extreme HVDC systems)

• NASA-STD-6001B (Space-grade components)

• ITER EL-02 (Fusion reactor standards)

Typical Applications

• Fusion reactor power systems

• Next-gen HVDC transmission (>1MV)

• Particle accelerator energy storage

• National high-voltage test facilities

• Space propulsion research

The HDVR-1500kV/20mA represents the pinnacle of ultra-high voltage protection technology, with its 100kΩ precision resistance and 10μs response time ensuring safety in 1.5MV systems testing capacitive loads up to 20nF. The space-grade construction meets requirements for fusion research and aerospace applications.