Working Principle of Cable Fault Testing System

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1、 Distance measurement principle (rough measurement of fault distance)Pulse reflection methodPrinciple: Inject low or high voltage pulse signals into the cable, and when the pulse encounters a fault point (impedance jump point, such as short circuit, open circuit, or high resistance fault), a refl

Huazheng Electric cordially invites you to attend the Mexico International Power and Electrical Exhibition!

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The time for global power elites to gather is coming! Huazheng Electric will showcase its flagship products and innovative solutions at The International Exhibition for Electrical Equipment and Lighting in Mexico 2025!Exhibition time: June 10th to June 12th, 2025Booth coordinates: 2929 (Looking forw

Specific Application of Non Partial Discharge Inflatable Test Variable

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1. Manufacturing and factory inspection of power equipmentNon partial discharge inflatable test transformers are widely used in the field of power equipment manufacturing for power frequency withstand voltage testing and partial discharge detection of key components such as transformers, transformer

Why Is It Necessary to Regularly Inspect and Maintain Transformers?

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1、 Extending equipment lifespan and preventing malfunctionsRegular maintenance can effectively detect aging, wear, or deterioration issues of internal components of transformers (such as insulation oil deterioration, coil short circuits, etc.), and timely handling can prevent small faults from esca

Application Scope of Switch Mechanical Characteristic Tester

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1. In the field of power system operation and maintenanceApplied in substations, power plants and other places, mechanical performance testing is carried out on high-voltage circuit breakers, isolating switches, GIS (gas insulated switchgear) and other equipment to ensure their reliability during op