Recently, 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 Phili

Last 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 equip

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 p