• June 08. 2021

On June 1, 2021, the new standard of power transformers (current transformer core ) was officially implemented. Transformers are basic equipment for power transmission and distribution, which are widely used in industries, agriculture, transportation, and urban communities. About 40% of the power loss of transmission and distribution is the transformer loss , which means it has great potential for...

• August 03. 2021

One of Coilcore's main products is medium voltage transformer nanocrystalline cores. Our nanocrystalline cores for current &voltage transformers are recognized for quality, longevity and adaptability for a number of years. Our nanocrystalline cores supply medium voltage transformer up to 36kV for use in MV or HV applications .  Current Transformers Nanocrystalline Cores • Highest System V...

• September 23. 2021

While supply high frequency nanocrystalline core transformer of inverter / welding machine, to meet  one-stop service, Coilcore providing complete peripheral accessories for inverter welding machines, including high-voltage arc starters. People make welding machine, not only request high quality transformer, but spare parts like inductance, plus transformer, reactor, high-voltage arc starters...

• September 30. 2021

Accumulated by several years research, Coilcore update clamp on type power supply current transformer, which with mature circuit design, excellent material application, brilliant design, small finished dimension. The pure hardware circuit design guarantee high reliability, and clamp type structure make you don't need cut off grid power, installation & construction convenient. Our power supply ...

• October 20. 2021

Zero sequence current transformers, which are also know as core balance current transformers (CBCT), residual current transformers, ground current transformers or leakage current transformers. Zero sequence ct detects the presence of zero sequence currents during short circuit fault conditions, usually used in power fire protection equipment, such as residual current circuit breaker, earth leakage...

• October 26. 2021

During EMC power supply circuit design, common-mode interference is the most difficulties encountered, common mode inductor is one of the major methods on solving interference signals. Here let's talk about the basic principles of solving EMC artifacts from design plan in this way. A common mode inductance, is wound both line and neutural windings on a single core. While the magnetic flux in ...

• December 14. 2021

Toroidal transformers are widely used in household equipment & other high technical electronic equipment, here let’s discuss about the basic parameter of the toroidal transformer: 1. Rated power: refers to the maximum load power of the transformer when it is working. It is the output power that the transformer will work for a long time under the specified frequency and voltage without exceedin...

• December 20. 2021

Toroidal transformers are widely used in household equipment & other high technical electronic equipment, here let’s discuss about 10 points common question of the toroidal transformer: Question 1: If isolation transformer could be multi-winding output? Answer: In generally, isolation transformer support multi-winding output, however, for too small power, it won't be able to do too many o...