- Transformer testing
- High voltage insulation testing
- Circuit breaker test equipment
- CT PT testing and calibrating
- Motor and generator testing
- Oil testing
- SF6 gas testing
- Arrester and insulator testing
- Insulation/Earth Resistance testing
- DC system
- Relay and protection testing
- Cable fault test and diagnostics
- Partial discharge
- Electrician testers
- Battery and power quality
Products
Public by：Jack Chang
Date：2023-05-27 22:05:40
The main transformer winding deformation is irreversible deformation phenomena,twisting, bulging, and displacement of the winding, common and typical forms are inter turn short circuits,breakdown accompanied by insulation damage....
Public by：Jack Chang
Date：2023-05-26 18:28:17
The electric voltage regulator, also called electric variac is composed of high-quality silicon steel sheet ring iron core, which is wound with a single voltage winding. ...
Public by：Jack Chang
Date：2022-11-24 16:59:50
The actual temperature rise inside the switch cabinet, especially the busbar connection, is usually higher than the data measured in the type test. The main reasons are as follows:...
Public by：Li Xin
Date：2022-04-15 16:17:01
EP Hipot Electric is a professional manufacturer of DC Hipot Test Equipment. The DC Hipot Tester produced by EP Hipot Electric is widely praised in the industry, and strives to bui...
Public by：Li Xin
Date：2022-01-21 12:05:57
The frequency variable series resonance is to form a series loop (L) through the excitation transformer and the reactor, and then form a resonant circuit in parallel with the tes...
Public by：Li Xin
Date：2021-11-16 12:40:02
Power transformer: voltage level (such as 10/35/110/220kV specifications, etc.); large capacity; test nature (neutral point withstand voltage or full insulation withstand voltage); single phase to ground capacitance...
Public by：Li Xin
Date：2021-10-12 14:07:22
Dielectric loss is the energy loss caused by the insulating material under the action of an electric field due to the hysteresis effect of dielectric conductivity and dielectric polarization. Also called dielectric loss, referred to as diel...
Public by：Li Xin
Date：2021-09-09 11:13:25
There are many types of arresters, including metal oxide arresters, line metal oxide arresters, gapless line metal oxide arresters, fully insulated composite jacket metal oxide arresters, and removable arresters. The function of the lightni...
Public by：Li Xin
Date：2021-07-09 09:22:35
A: Winding and bushing insulation resistance, absorption ratio and polarization index1. Test procedureMeasure and record the ambient temperature and humidity, and record the averag...
Public by：Li Xin
Date：2021-07-05 14:38:27
The AC withstand voltage test is the most effective and direct method to identify the insulation strength of a cable, and is an important part of the preventive test. In addition, ...
Public by：Li Xin
Date：2021-07-02 09:17:49
AC and DC withstand voltage test is to expose a tested equipment to a very harsh electrical environment. If the product can maintain normal conditions under such harsh electrical e...
Public by：Li Xin
Date：2021-06-29 14:22:17
The transformer test bench is a product dedicated to the routine test of transformers. It has automatic transformer no-load and load loss measurement, transformer temperature rise test, induction withstand voltage test, power frequency with...