By sion932 
The lightning impulse voltage generator test device under HVHIPOT can help many power workers conduct various power tests more conveniently.
When purchasing impulse lightning generators, the first priority is to clarify the “test object and parameter requirements”, and HVHIPOT can provide precise adaptation solutions. For low-voltage distribution equipment (such as lightning arresters and household leakage protectors), the HVHIPOT-LD100 series is recommended. This series has an impulse voltage output range of 0-100kV and supports 1.2/50 μ s standard lightning impulse waveforms, with a peak current of up to 10kA. For medium and high voltage equipment (such as transformer bushings and cable terminals) ranging from 110kV to 220kV, it is recommended to choose the GDHV-LD300 series, with impulse voltage increased to 0-300kV, equipped with high-precision voltage dividers (measurement accuracy ≤ 0.5%) and waveform recorders, which can synchronously capture voltage and current waveform parameters and adapt to substation equipment handover tests; For ultra-high voltage equipment of 330kV and above (such as GIS and ultra-high voltage lightning arresters), HVHIPOT-LD500 series is exclusively supplied for ultra-high voltage. The impulse voltage can reach 0-500kV, and multi module synchronous triggering technology is adopted to ensure that the waveform distortion rate is ≤ 3% when outputting high voltage, which meets the strict testing requirements of HVHIPOT equipment.
Scene based functional design “is the key to the procurement of impulse lightning generators, and HVHIPOT covers the requirements of” laboratory fixed testing “and” on-site mobile testing “. In laboratory settings, HVHIPOT fixed models (such as HVHIPOT-LD300F) adopt an integrated cabinet design, including a host, control unit, and water cooling system. They can be connected to the laboratory power distribution system, support remote computer control and data storage, and are suitable for large-scale equipment factory testing; In the on-site scenario, it is recommended to use HVHIPOT portable models (such as HVHIPOT-LD100A), with a modular design for the host (single module weight ≤ 25kg), equipped with a portable waveform recorder and a mobile power supply unit (supporting AC 220V/380V), suitable for on-site impact testing of outdoor GIS equipment and line lightning arresters in substations, and the equipment protection level reaches IP44, which can resist the impact of outdoor dust and light rain environments.
Core technology and reliability need to be included in procurement considerations, and HVHIPOT ensures stable equipment performance. The impulse lightning generator adopts a fully digital trigger control system, with parameter visualization settings achieved through a 7-inch touch screen. It supports precise adjustment of impulse voltage (0-500kV) and waveform time (1.2/50 μ s, 8/20 μ s), without the need for manual replacement of resistor and capacitor components, resulting in a 60% increase in operational efficiency; In terms of waveform control, equipped with adaptive waveform correction technology, the circuit parameters can be automatically adjusted according to the impedance characteristics of the tested equipment to ensure that the output waveform meets the requirements of IEC, GB and other standards; In response to the problem of high voltage heating, HVHIPOT adopts an efficient water-cooled cooling system, which can maintain stable operation of the equipment during three consecutive impact tests (with an interval of ≤ 5 minutes), avoiding test interruptions caused by overheating.
Supporting equipment and compatibility are essential aspects of procurement, and HVHIPOT ensures full chain adaptation. The auxiliary equipment in its complete set of solutions, such as high-voltage dividers, Roche coils, and waveform recorders, have undergone compatibility testing. The delay error between the divider and the host signal is ≤ 0.5 μ s, and the data transmission rate between the waveform recorder and the host reaches 100Mbps, avoiding test data deviation caused by equipment compatibility issues; For customers’ existing equipment, HVHIPOT can provide interface adaptation services. For example, if the customer already has third-party waveform analysis software, the technical team can debug the host parameters to ensure that the test data can be integrated into the existing software system; In addition, the device supports later functional expansion. If the impulse voltage level needs to be increased in the later stage, modular capacitor groups can be directly installed without replacing the entire device, reducing the cost of subsequent upgrades.
After sales service and technical support are the core of ensuring the efficient implementation of purchased equipment, and HVHIPOT provides full process services. In the early stage of procurement, the technical team will have a deep understanding of the customer’s testing standards and the type of equipment being tested, and provide a customized set of solutions, clarifying the equipment list, installation requirements, and site planning (such as grounding resistance ≤ 4 Ω); After the delivery of the equipment, professional engineers will come to the site to complete the installation and commissioning of the entire set of equipment, including host wiring, water cooling system connection, waveform calibration (ensuring waveform parameter error ≤ 5%), and conduct a 2-3 day operation training, covering parameter setting, fault diagnosis, and daily maintenance (such as capacitor group maintenance and water cooling system water change cycle); During the warranty period, HVHIPOT provides free on-site maintenance services and regular software upgrade services (such as new waveform export formats and standard library updates) to ensure that the equipment meets testing requirements in the long term.