Hot Product Promotion
- Buyer Feedback-GDVA-405 Automatic CT PT AnalyzerWe are very pleased to receive good feedback from our customers regarding the use of the GDVA-405 CT PT analyzer! GDVA-405 CT PT Anayzer is designed as per IEC60044-1,IEC60044-2,IEC60044-5,IEC60044-6 and IEC61869. It can measure all kinds of CT and PT. The accuracy is 0.02%(typical),0.1%(Guarantee).Hot Product Promotion November 18, 2024
- Buyer Feedback-ZJA-3KY 3000L/H Double Stages High Vacuum Transformer Oil PurifierWe are very happy to receive good feedback from the customer regarding the use of ZJA-3KY 3000L/H transformer oil purifier.The ZJA series transformer oil purifier is mainly used to filter moisture(water content), impurities, and gases in transformer oil. If the indicator of transformer oil before fiHot Product Promotion November 13, 2024
- Why do we need to use GD-2H SF6 Synthesized Tester to Analysis SF6 Electrical Equipment ?SF6 electrical equipment is the main substation equipment, and its quality directly affects the safe and economic operation of the power system.Due to uncertainties in design, materials, craftsmanship, and maintenance, there may be some internal defects. However, the current experimental methods areHot Product Promotion September 27, 2024
- Why do we need to use Series Resonant AC Hipot Test System to test power cables?If the test voltage of the test sample is high and the capacitance is small, the series resonance test method can generally be used.When W0L=1W0C (C includes CX, C1, C2) in the test circuit, the test circuit produces series resonance, which can generate a high test voltage on the test sample (the teHot Product Promotion September 11, 2024
- Successfully provided testing for a 230KV 1000mm2 50 meters power cable to NGCP in the Philippines through our GDXZ Series Resonant AC Hipot Test SystemRecently, one of our clients successfully provided AC withstand voltage testing for 220KV cables to NGCP in the Philippines using the GDXZ Series Resonant AC Hipot Test System purchased from our company. And received high praise from NGCP in the Philippines.The National Grid Corporation of the PhiliHot Product Promotion August 29, 2024
- What are the ratio and phase angle error of current transformer?The error of current transformers is divided into ratio error and phase angle error:The ratio error is the current value indirectly measured through the secondary circuit (KeI2 minus the percentage of the actual value of the primary current to the actual value of the primary current). That is, the pHot Product Promotion July 26, 2024
- What’s the ZJ Series Vacuum Pump Unit for big transformer?What’s the ZJ Series Vacuum Pump UnitThe Transformer Vacuum Pump Unit is mainly used to extract gas from the container, so that the container can meet high vacuum requirements, and can also be used for vacuum drying. Especially suitable for vacuum pumping in the substation industry, power supply burHot Product Promotion July 02, 2024
- The Principle of low-frequency method for measuring the excitation characteristics of current transformersWhat's the principle of low-frequency method for measuring the excitation characteristics of current transformers?Excitation characteristic test is the most commonly used and effective method for detecting the performance of protective current transformers.The composite error of current transformersHot Product Promotion May 10, 2024
- What is the purpose of a GDZC Series Transformer DC resistance tester?The DC resistance test of transformer windings is an essential test item for transformers after handover, overhaul, and change of tap changer. The Regulations stipulate that it is necessary to measure the DC resistance of transformer windings during transformer handover, major repairs, minor repairsHot Product Promotion April 12, 2024
- Safety Regulations for GDVA-405 Automatic CT PT TesterTo use our GDVA-405 safely and efficiently, please follow the following safety regulations for operation:1) All technical index should keep in work condition before testing with Analyzer.2) Please follow associated international standards in a special application.3) Forbid high voltage or high curreHot Product Promotion March 15, 2024