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Advantages of nanocrystalline alloys
May 18 , 2020
In order to obtain the best suppression effect on common mode interference, the common mode inductor core must have high magnetic permeability and excellent frequency characteristics. In the past, most of the ferrite core materials used for common mode inductors have excellent frequency characteristics and low cost advantages. However, ferrite also has some insurmountable weaknesses, such as poor ...
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Residual current devices (RCD)
Apr 23 , 2020
Brief description Principle The main characteristics of RCD are shown in the below picture. Its iron core surrounds all current-carrying conductors of an electrical circuit, and the magnetic flux generated in the magnetic core is related to the arithmetic and current of these conductor currents in an instant; the current flowing in one direction is assumed to be positive (I1), Then the current flo...
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The Primary Winding Structure of The Current Transformer
Mar 23 , 2020
The primary winding structure of the current transformer has two forms of single-turn type and multi-turn type. Single-turn type: The winding is only one turn at a time, and the structure is relatively simple. The primary current is more than 300 to 600A. It is divided into two types: bar type and bus bar type. Bar type: The primary winding is a copper rod, copper tube or copper bar that passes th...
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Current Transformer Structure
Feb 20 , 2020
Current transformer is mainly composed of a primary winding,a secondary winding and an iron core, and there is insulation among the primary, secondary and iron cores. In order to improve the accuracy of the current transformer, the error of the current transformer is generally compensated.In addition to the above-mentioned primary and secondary windings and cores, some also wound auxiliary coils o...
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The Application of Current Transformer
Feb 20 , 2020
The current transformer is very similar to the transformer. The transformer is mainly used to change the voltage of the line on the line, while the current transformer is mainly used to change the current of the line. There are two types of current transformers for power systems and instruments. Current transformers for power systems are an indispensable electrical appliance in output and power su...
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