Article List
- 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
- Two sets GDZC-10A Portable Transformer Winding Resistance Tester with Lithium Battery ready for shipmentLast Friday we exported two sets GDZC-10A Portable Transformer Winding Resistance Tester to our regular customer.It's used to measure dc resistance of transformer or other inductive loads. The max test current is 10A.Compared with ordinary transformer winding resistance tester, this equipment equipCompany News August 19, 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
- CHONGQING GOLD GDVA-405 CT PT Current Transformer Analyzer ready for shipmentThis week we completed the production for GDVA-405 Automamtic CT PT Analyzer and already arranged the shipment to our customer yesterday.GDVA-405 Automatic CT PT Analyzer is used to measure CT PT(220V-500KV,>2.5VA). The test standards are IEC60044-1,IEC60044-2,IEC60044-5,IEC60044-6,IEC61869,IEEE C57Company News June 20, 2024
- ZGF-60KV 5mA DC Hipot Tester ready for shipmentZGF Series DC Hipot Tester is used to complete DC voltage test and leakage test of zinc oxide surge arrester, magnetic arrester, power cable, transformer, generator and other equipment , It can also be used for electrostatic dust, spray and others.Here different output voltage can be customization:Company News June 13, 2024
- VLF-30KV AC Hipot Tester ready for shipmentLast week we arranged the shipment about VLF-30KV AC Hipot Tester to our customer.VLF-30KV AC Hipot Tester is used for power cables ac hipot test.For 10KV cable test, should be single-phase test, voltage set as 18KV, frequency set as 0.1Hz(recommended), 0.05Hz(recommended), 0.02Hz(the process of volCompany News June 11, 2024
- How to use GDGK-307 High Voltage Switch Characteristic Tester to Evaluate the Synchronicity of Circuit Breakers?The GDGK-307 high-voltage switch characteristic tester evaluates the synchronization of circuit breakers through multi-channel testing, accurate characteristic curves and analysis calculation functions, high-speed data acquisition and analysis processing capabilities, etc.In the power system, the syCompany News May 29, 2024