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This article summarizes common issues and key points in insulation testing, grounding checks, and voltage/current measurement during National Day duty inspections, helping duty personnel accurately identify causes of abnormal data and avoid misjudgment. K
Wuhan KEDE Zhongwei Electric Co., Ltd. releases the 2026 Mid-Autumn Festival and National Day holiday service arrangement announcement. The Mid-Autumn Festival holiday is from September 25 to 27, and the National Day holiday is from October 1 to 7 with ad
This article provides a systematic introduction to the working principles and field applications of the KD-212X cable fault tester from Kedia Zhongwei. It covers cable fault classification, the low-voltage pulse method, the high-voltage flashover method,
A Shandong oil lab ordered the KDJJC-80 3-cup insulating oil dielectric strength tester on the same day after a friend's referral. Delivered in 3 days, the lab now plans to order an oil chromatograph.
Complete technical guide to the 3000kVA/650kV variable frequency series resonant withstand voltage test system. Covers 220kV-500kV cable, GIS, and transformer testing with full specifications and configuration details.
Wuhan Kedia Zhongwei Electric Co., Ltd. releases a technical analysis on series resonance, highlighting the application principles, core advantages, and on-site performance of its KDXZ series variable-frequency series resonance withstand voltage test devi
Comprehensive guide to high-current generators (current boosters) for temperature rise tests and current load tests. Covers working principles, classifications, key specifications, and selection tips.
Kedi Zhongwei supplied transformer testing equipment for the Zhongmei Guangyuan 2×1000MW ultra-supercritical power project, supporting the commissioning of main transformers for this national key energy demonstration project in Sichuan.
Comprehensive guide to relay protection tester selection. Covers working principles, technical classifications (3-phase/6-phase), key specifications (0.2% accuracy, 0.01ms timing), and application trends. Kedi Zhongwei 6-phase relay tester for transformer
Kedi Zhongwei supplies testing equipment for TBEA Shenyang Transformer Group, supporting the main transformer installation and commissioning of the Zhongmei Yongcheng 2×1000MW ultra-supercritical unit project.
Wuhan Kedi Zhongwei KDXZ-810kVA/270kV variable frequency series resonance test system field application at a hydropower step-down substation in Sichuan. Covers 10kV/35kV cable withstand voltage testing, 110kV GIS withstand voltage testing, system selectio
Wuhan Kedi Zhongwei offers 110kV-750kV circuit breaker mechanical characteristic testers. KDGK-I for 110kV-220kV, KDGK-HC for 330kV-550kV, KDGK-HCSD for 750kV. Meet DL/T 846 standards, CNAS calibration support, and waveform expert analysis.
Kedi Zhongwei supplies a large batch of test instruments for Niger power projects, including series resonant systems, relay testers, DC high voltage generators, and more, supporting West African power interconnection and renewable energy construction.
Safe and reliable operation of power systems depends on thorough handover tests and standardized preventive maintenance testing. The current industry benchmark is DL/T 596-2021 "Preventive Test Code for Electric Power Equipment." Building on this founda
Recently, Wuhan Kedi Zhongwei Electric Co., Ltd. (hereinafter "Kedi Zhongwei") reached a deep cooperation agreement with TBEA Co., Ltd. Xinjiang Transformer Factory (hereinafter "TBEA Xinjiang Branch") to supply a large batch of power testing equipmen
Kedi Zhongwei continues to supply power testing equipment including series resonant systems, relay testers, cable fault locators, and more. Recent projects and customer collaborations.
Technical specifications and component details of KDQH-300 SF6 Gas Recovery Unit (mobile, refrigerated type) from Wuhan Kodien Zhongwei Electric. Includes ultimate vacuum ≤0.1Pa, recovery final pressure ＜-0.053MPa, evacuation rate ≥60m³/h, built-in 200kg
As a core component for backup power supply and energy storage, the performance stability and service life of storage batteries are directly related to the safe operation of various equipment and systems.
As the Qingming Festival approaches, we commemorate our ancestors and express our sincere condolences.
SF6 Gas Leak Alarm System is a core safety monitoring device for power and industrial high-voltage electrical equipment. It is mainly used to detect SF6 gas concentration in real time, prevent leakage risks, and ensure the safety of personnel and equipmen
The relay protection tester is a core equipment in the operation, maintenance, inspection and testing of power systems. It is mainly used for function verification, performance calibration and fault simulation of relay protection devices, secondary circui
An insulation resistance tester is a core instrument in the field of electrical safety inspection. It is mainly used to measure the insulation resistance values of electrical equipment, circuits and insulating materials,
The principle of partial discharge detectors is a question many users want to understand, along with detailed operating methods. We can explain it from different perspectives with examples to make the principle easier to grasp. For more information about
