Dual-Range High Voltage Measurement System

This advanced two-stage divider delivers precision measurements for both 1000kV lightning impulses and 220kV switching impulses, featuring a fast ≤100ns response time and ±1% scale factor accuracy (K_es). The unique 2×500kV/800pF stage design ensures optimal performance across test scenarios.

Core Technical Innovations

Dual-Stage Capacitor Array

• 2×500kV stages (800pF each)

• Non-inductive parallel low-voltage arm

• Multistage distributed damping

Ultra-Fast Response

• Partial response time ≤100ns

• Overshoot control ≤20%

• GB311-compliant square wave response

Technical Specifications

Mechanical Design Features

Mobile Test Platform

• High-strength movable metal base

• Polyurethane wheels with locking brace

• Field-installable stainless steel electrode

Safety Systems

• 1MV-rated corona covers

• Anti-flashover top electrode

• Modular transport configuration

Application Scenarios

• Power transformer testing: BIL and SIL measurements

• Switchgear validation: 220kV switching surge analysis

• High-voltage research: Waveform studies up to 1MV

• Test lab certification: GB311-compliant impulse testing

Certification & Standards

Compliant with major international and national standards:

• GB311 - High-voltage test techniques (China)

• IEC 60060-1 - International high-voltage test standard

• IEEE Std 4 - Standard for HV testing procedures