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  • Clamp On Type Power Supply Current Transformer
    • September 30. 2021
    Clamp On Type Power Supply Current Transformer

    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 ...

  • Zero sequence current transformers
    • October 20. 2021
    Zero sequence current transformers

    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...

  • The reasons that inductance can eliminate EMC
    • October 26. 2021
    The reasons that inductance can eliminate EMC

    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 ...

  • What's Factors Affecting the Current Transformer Error?
    • November 03. 2021
    What's Factors Affecting the Current Transformer Error?

    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...

  • Comparing about Current Transformer & Voltage Transformer
    • November 11. 2021
    Comparing about Current Transformer & Voltage Transformer

    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...

  • How To Select an Inductor from Inductance
    • November 22. 2021
    How To Select an Inductor from Inductance

    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...

  • Talk about the working principle & effect of Reactor
    • December 02. 2021
    Talk about the working principle & effect of Reactor

    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...

  • The Classification of Toroidal Transformers
    • December 08. 2021
    The Classification of Toroidal Transformers

    As a electronic transformer, toroidal transformers are widely used in household equipment & other high technical electronic equipment. The Classification of toroidal transformers including standard type, economic type, isolated type, etc.: Standard type Capacity 8~1500VA , small voltage adjustment rate, full loading operation with temperature rise 40°C, perfect for high electronic demand appli...

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