Steep Front Impulse Wave Device
LQHSD Serial Steep Wave Device for High Voltage Impulse Testing
Precision Steep Front Impulse Voltage Measurement
The LQHSD Serial Steep Wave Device is a specialized instrument designed for steep front impulse voltage measurement in high-voltage testing applications. With a rated voltage of 600kV, this system is particularly effective for detecting internal faults in composite insulators and other high-voltage components.
Technical Specifications
Basic Parameters
Rated voltage: 600kV
Wave front steepness: 1000-4000 kV/μs
Primary capacitor: 300pF
Sphere Gap Assembly
Electrode type: Oval balls
Diameter: 250mm
Adjustment: Electric control from desk
System Configuration
300pF capacitor
Sphere gap assembly
Electric transmission device
Ball rack
Mounted on mobile chassis
Testing Methodology
The LQHSD device has proven particularly effective for detecting various types of faults in composite insulators:
Conductive Channel Faults
Identifies conductive pathways that compromise insulation integrity
Semi-Conductive Airy Channels
Detects partial conductive paths within insulator material
Partial Air Bubbles
Locates small gas pockets that affect dielectric strength
Analysis Procedure
Apply steep-front wave impulse voltage (1000-4000 kV/μs)
Measure response from test specimen
Calculate internal electric field distribution using finite element analysis
Compare with experimental results
Verify breakdown occurrence
Applications
Composite insulator fault detection
High-voltage component quality assurance
Insulation material research
Power equipment diagnostic testing
Laboratory impulse testing
Key Benefits
Effective fault detection: Proven capability to identify severe internal faults
Precise control: Electrically adjustable sphere gap
Portable design: Compact, mobile chassis
Comprehensive analysis: Combines experimental and computational methods
High reliability: Consistent correlation between test and simulation results
