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Technical Guide

Technical Guide

  • What is partial discharge?

    What is partial discharge?

    During the maintenance and monitoring of power systems, partial discharge, as a potential fault indicator, has gradually drawn significant attention from engineers and researchers. Its concealment and destructive nature make the understanding of partial discharge an important aspect in the manage...
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  • How to test the operating time with a relay protection tester?

    How to test the operating time with a relay protection tester?

    Relay protection devices, as key safety protection components in power systems, directly affect the safety and stability of power grid operation with their performance. Action time, as an important indicator to measure the response speed of relay protection devices, reflects the duration from the...
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  • In the AC withstand voltage test, how can we determine whether the test sample has been broken down?

    In the AC withstand voltage test, how can we determine whether the test sample has been broken down?

    The AC withstand voltage test is an indispensable part of the performance assessment of electrical equipment and insulating materials. Its core task is to verify the insulation strength and safety of the tested item under high voltage. Determining whether the tested item has been broken down is a...
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  • The difference between dielectric withstand voltage and insulation resistance

    The difference between dielectric withstand voltage and insulation resistance

    In the inspection and maintenance of electrical engineering and electronic technology, dielectric withstand voltage and insulation resistance are two crucial electrical performance indicators. They are often used to assess the safety and reliability of electrical equipment, insulating materials, ...
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  • Is the high current generator providing a DC output or an AC output?

    Is the high current generator providing a DC output or an AC output?

    In the vast field of electrical engineering, the high current generator, as an important device, plays a crucial role. They are widely used in power systems, laboratory tests, and various industrial applications. Regarding the output characteristics of the high current generator, many people ofte...
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  • GIS insulation resistance, loop resistance, opening and closing time and synchronous measurement

    GIS insulation resistance, loop resistance, opening and closing time and synchronous measurement

    In the operation and maintenance of power systems, ensuring the reliability and safety of equipment is of vital importance. For this reason, the monitoring and evaluation of parameters such as insulation resistance, loop resistance, opening and closing time, and concurrent measurement are particu...
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  • How to ensure the accuracy of sf6 gas leak detectors

    How to ensure the accuracy of sf6 gas leak detectors

    In modern industrial applications, SF6 gas (sulfur hexafluoride) is widely used in high-voltage electrical equipment due to its outstanding electrical insulation performance and excellent arc-extinguishing characteristics. However, SF6 gas has an extremely high potential for the greenhouse effect...
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  • Is the output of the high-current generator direct current or alternating current

    Is the output of the high-current generator direct current or alternating current

    In the vast field of electrical engineering, the high-current generator, as an important piece of equipment, plays a crucial role. They are widely used in power systems, laboratory tests and various industrial applications. Many people often have doubts about the output characteristics of high-cu...
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  • The application of variable-frequency series resonant test system

    The application of variable-frequency series resonant test system

    In modern power electronics technology, variable-frequency series resonant circuits have gradually attracted the attention of engineers and researchers due to their unique performance and broad application prospects. This circuit structure can achieve efficient utilization and more precise contro...
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  • Application prospect of handheld local discharge tester

    Application prospect of handheld local discharge tester

    1. Application of power industry In the power industry, the main role of the handheld office discharge tester is to detect key equipment such as transformers, switchgear and cables. Partial discharge may occur during the operation of power equipment due to aging insulation, moisture, pollution an...
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  • Substation electrical test quality objectives and site safety measures

    Substation electrical test quality objectives and site safety measures

    In modern electrical engineering and electronic equipment design and testing, impulse voltage generators play a crucial role. They are specialized devices designed to generate high-voltage impulses and are widely used in various fields, including power systems, electronic components, transmission...
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  • What is transformer core induction voltage Test

    What is transformer core induction voltage Test

    In the power system, the transformer, as an important measuring and protection equipment, plays an indispensable role. The core component of transformer, the iron core, its performance directly affects the accuracy and reliability of the whole equipment. The test of the induced voltage of the iro...
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