Products video
HMCJ 900kV 90kJ Impulse Voltage Tester Display Video
Product Overview

HMCJ-900kV/90kJ Impulse Voltage Generator is a high-voltage pulse simulation test equipment specifically designed to simulate natural lightning or transient high-voltage pulses in power systems. It is suitable for testing insulators, air gaps, enclosures, and power transmission and substation equipment (such as power transformers, surge arresters, and GIS impulse voltage tests), as well as other scientific experiments.
product Parameter

1. Nominal voltage: 900kV
2. Rated step voltage: 100kV
3. Rated charging voltage: 100kV
4. Nominal energy: 90kJ
5. Total impulse capacitance: 0.222µF (single pulse capacitor, 2.0µF/100kV, 9 units total)
6. Number of steps: 9
7. Step capacitance: 2.0µF
8. Step energy: 10kJ
Main components of multistage impulse generator
1.SCR pressure regulating device
2.DC charging device
3.Impulse voltage generator
4.Multi-ball truncation device (optional)
5.Steep voltage device (optional )
6.Coupling divider
7.Tested object
8.Isolation impedance(optional)
9.Combined power supply(optional)
10 Current diverter
11.Control system
12. Measuring system

schematic diagram
The high-voltage lightning impulse generator is one of the fundamental pieces of equipment for high-voltage testing of electrical apparatus. It is used to conduct impulse testing or verification on equipment during design, manufacturing, and post-maintenance phases. Common electrical equipment includes power transformers, high-voltage switches, composite switchgear, lightning arresters, power cables and accessories, enclosures, and insulators.
The schematic diagram is shown below:

Maintenance & FAQs
Products Description











Optimized for Global Clients This system combines cutting - edge technology with robust safety features, making it the ultimate solution for high - voltage impulse testing in power equipment R&D and quality assurance.
Keywords: Lightning Impulse Voltage Generator, High Voltage Testing Equipment, Insulation Testing, IEC - Compliant, 1800kV/180kJ, Steep - Front Impulse Waves.
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