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2400kV AC Lightning Impulse Voltage Withstand Test System
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Stable Waveform: The control and measurement system utilizes a mature domestic solution. Its core component is the Mitsubishi FX Series programmable logic controller, which implements nearly all control functions through software programming. As a result, the system features a simplified architecture with minimal peripheral circuit boards, ensuring high reliability.
Fully Automated Operation: The control and measurement interface is specifically designed considering the customary workflows of high-voltage testing, offering an intuitive and user-friendly experience. A dedicated program operation interface has been developed to significantly streamline tester operations and effectively prevent human error.
Extended Service Life: This lightning impulse voltage generator test system is built with advanced technology, superior craftsmanship, and high-quality materials, ensuring long-term operational reliability with a lifespan exceeding 20 years. It also maintains low routine operating costs.
Compact Main Structure: The generator adopts a modern compact design, characterized by low inherent inductance and simplified waveform adjustment.
Integrated Measurement and Control Design: The system employs a fiber-optic control transmission system to connect the control measurement equipment with the high-voltage main unit. This design effectively mitigates risks associated with elevated ground potential during high-voltage tests and eliminates electromagnetic interference from control wiring, significantly enhancing overall system reliability.

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Chopping gap, performing cut-wave tests.
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Shunt resistor,the current waveform can be correctly recorded in the tests.
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Specifications:
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1
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Impulse voltage grade
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100kV-7200kV
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2
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Standard lightning wave
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1.2±30%/50±20%µS
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3
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Peak oscillation
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5%
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4
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Standard switching wave
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250±20%/2500±60%µS
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5
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Virtual front time of oscillating lightning wave
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15µS
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6
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Virtual front time of oscillating switching wave and virtual front time of oscillating switching impulse wave
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15µS-1µS
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7
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The minimum output voltage
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10%Un
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8
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Charging voltage instability
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1%
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9
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Synchronizing range
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20%
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10
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Synchronous discharge error rate
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2%
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11
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Ignition range
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10%-100%
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12
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Working time
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70%UN Discontinuous work(charge-discharge 300s/time)
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70%nn Continuous work(charge-discharge 120s/time)
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13
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Generator efficiency
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lightning wave (no load)-----90%
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14
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Time to chopping
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2-5µS
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