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Electric test system UHV(V)
impulse voltagefor the electronics industryfor electrical machines and installations

Electric test system - UHV(V) - Wuhan UHV Power Technology Co.,Ltd. - impulse voltage / for the electronics industry / for electrical machines and installations
Electric test system - UHV(V) - Wuhan UHV Power Technology Co.,Ltd. - impulse voltage / for the electronics industry / for electrical machines and installations
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Go to the Wuhan UHV Power Technology Co.,Ltd. website for more information

Characteristics

Test type
electric, impulse voltage
Domain
for the electronics industry, for electrical machines and installations, for power transformers, for HVAC
Applications
for transformers
Configuration
on site
Other characteristics
automatic, high-voltage, high-power, HVDC

Description

Product Introduction
  • The Impulse Voltage Generator is primarily used for impulse voltage testing of power equipment, including lightning impulse voltage full wave, lightning impulse voltage chopping wave, and switching impulse voltage wave, to evaluate insulation performance. It is a power supply device that simulates impulse voltages such as lightning and switching overvoltages, and is mainly employed in insulation impulse withstand voltage tests as well as dielectric impulse breakdown and discharge tests.

Product Parameters
  • Charging voltage Setting range 0~800kV
  • Scope of work 10.0~800.0kV
  • Setting deviation ≤±1%
  • Instability degree ≤±1%
  • Setting resolution 0.1kV
  • Charging time Setting range 30~180s
  • Setting resolution 1s
  • Alarm delay 2s
  • Number of pressure Setting range 1~999
  • Protection setting Overcurrent protection value configurable
  • Overvoltage protection value configurable
  • Dynamic charge protection Can be Selected
  • Output impact stability Greater than 99%
  • Number of voltage boosting setting range 1~999

Scope of Application
  • The Impulse Voltage Generator is suitable for standard lightning impulse, lightning chopping wave tests on transformers, reactors, instrument transformers, and other high-voltage electrical equipment, as well as for high-voltage thyristor valves (SVC/HVDC), power cables, various high-voltage insulators, bushings, switching impulse tests, and various non-standard impulse wave tests as required by users. A single set of equipment can generate a wide range of test waveforms, including standard, non-standard, and user-defined waveforms.

Application Areas of Lightning Impulse Voltage Generator
  • Quality inspection, measurement, and supervision organizations
  • Power equipment manufacturers
  • Railway communications
  • Aerospace and aviation vehicles
  • Military research institutions
  • Universities and colleges
  • Meteorological departments
  • The Impulse Voltage Generator is widely used in lightning protection and lightning impulse testing across these sectors.

Product Characteristics of Impulse Voltage Generator
  • Low Inductance Circuit with Filtering: The circuit features low inductance and employs resistance-based filtering measures, enabling the generation of standard impulse waves even under large capacitive loads with high load capacity.
  • High Voltage Utilization Factor: The voltage utilization factor for lightning waves and operating waves is no less than 85% and 80%, respectively.
  • Easy Wave Adjustment and Operation: Wave adjustment is simple, operation is user-friendly, synchronization performance is excellent, and overall operation is reliable.
  • Constant Current Charging Control: Utilizes constant current charging automatic control technology, offering a high degree of automation and strong anti-interference capability.

Composition
  • Impulse voltage generator and impulse measuring/control cabinet.
  • Charging and discharging circuits with constant-current automated charging control.
  • Insulation assemblies: insulated platform, insulation rods and high-voltage bushings.
  • Mechanical transmission and safety interlocks.

Operation and Maintenance of Lightning Impulse Voltage Tester
  • Keep generator and insulation surfaces clean to avoid dust accumulation.
  • Protect the equipment from moisture in operation and storage; ventilate and dry interior if ambient humidity is high.
  • Lubricate mechanical transmission parts after prolonged use.
  • Protect semiconductor coating on ceramic bushings; apply anti-corona paint if severe corona appears.
  • Stop operation and repair if oil leakage or abnormal noise occurs; return to service only after repair and verification.
  • On ignition-pulse malfunction, inspect for short/open circuits in the ignition system and rectify faults.

Rich experience in exporting lightning impulse voltage generator
  • Our lightning impulse voltage generator has been exported to multiple countries and regions in Asia, the Middle East, Africa, South America, and Europe. We are familiar with international power industry standards, project bidding processes, and export packaging requirements. We can provide English technical materials, installation guidance, remote training, and comprehensive after-sales support. The equipment adopts a professional packaging scheme suitable for sea transportation and long-term transportation, ensuring the safe arrival of products at the customer's site and helping customers smoothly complete installation, commissioning, and acceptance work.

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