• 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 ...

• November 03. 2021

During current transformer manufacture, we reach for high accuracy and low error, while, do you know the Factors Affecting the Current Transformer Error? Here we clarify it in below six points: 1. Current Input The higher current input is, the higher magnetic density of the core proportionally, at same time,  the magnetic permeability ( μ) and the loss angle (ψ) increase,  which reduce t...

• November 11. 2021

Coilcore - Guangzhou Amorphous Electronic Technology Co.,ltd. has been a major manufacturer in Transformer & Sensor Industry. While, here we discuss about the difference of Current Transformer & Voltage Transformer in below three point: 1. Structure Usually, current transformer's primary winding only one or few turns, wound by thick lines, and is connected in series with the load...

• November 22. 2021

As we know, the inductance value will influence inductors application, today let’s talk about how to select an inductors based on inductance value. During the inductance is almost not stable during the entire working period of the components,  understand the effective value scope is particularly important. Thus, you should know your power circuit's inductance scope clearly. For inductors in p...

• December 02. 2021

Inductors, which also called reactors. In theory, all electrical conductors which can carry current are inductive, because once an electrical conductor is connected to the power, a magnetic field in a certain space it occupies will be created. As we know, while power supply long, or the electrical conductor's inductance is not large enough, the magnetic field is not strong enough. We called induct...