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- 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
- GDHL-200A Contact Resistance Tester,GDBC-901 Transformer Turns Ratio Tester ready for shipmentLast week we arrange the shipment about GDBC-901 Transformer Turns Ratio Tester,GDZC-20A Transformer winding resistance tester and GDHL-200A Circuit breaker contact resistance tester to our customer.These equipment are mainly used for routine testing of transformers and circuit breakers.We also haveCompany News November 12, 2024
- IIEE 3E XPO 2024 Will Be Held in Manila,PhilippinesIIEE 3E XPO 2024 will be held on November 27-30, 2024 in Manila,Philippines. As one of the exhibitors of the exhibition, Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd will carefully arrange its booth in advance to welcome the arrival of global customers.We warmly welcome new and regular cCompany News November 05, 2024
- GD-3045E 10KV Insulation Resistance Tester ready for shipmentEarly October,one of our regular customer purchased GD-3045E 10KV Insulation Resistance Tester from our company. Due to October 1st to 7th is China's National Day holiday. Our factory has accumulated a lot of orders waiting to be produced, so there are some delays. Thanks to the efforts of our colleCompany News October 22, 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
- 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