• TPY Core
TPY Core
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TPY Core

Main products of the company: current transformer cores, transformer laminated cores, magnetic shielding, current transformer coils, etc. Certified by ISO9001 quality management system, ISO14001 environmental management system, and OHSAS18001 occupational health management system.

Application scenarios

High and low voltage current transformers,toroidal transformers.

Materials used

Cold-rolled oriented high-quality silicon steel materials with low iron loss and high magnetic permeability, with thicknesses of 0.2mm,0.23mm,0.27mm,0.3mm, and 0.35mm.

Product Features

A core type specially designed for high-precision current measurement and protection,whose unique structural design and highperformance material selection give it important application value in the power industry. The manufacturing method involves using a core with air-gap notches.typically cutting a complete toroidal core evenly into two or four parts, padding insulating plates of a certain thickness at the notches, then aligning the cut cores and fixing them with a stainless steel strip wound around the core and welded. This structural design helps prevent core displacement at the notches, ensuring the stability and accuracy of current transfomers.High-performance magnetic materials are usually used, which feature high initial magnetic permeability and low saturation magnetism, particularly outstanding in high-precision measurement and protection-level applications. By optimizing core design and material selection, TPY cores can effectively reduce magnetic losses, improve transformer efficiency, and ensure stable performance under various operating conditions.


Contact: General Manager Yao +86-13584935499

  • Product Description
  • Application scenarios

    High and low voltage current transformers,toroidal transformers.

    Materials used

    Cold-rolled oriented high-quality silicon steel materials with low iron loss and high magnetic permeability, with thicknesses of 0.2mm,0.23mm,0.27mm,0.3mm, and 0.35mm.

    Product Features

    A core type specially designed for high-precision current measurement and protection,whose unique structural design and highperformance material selection give it important application value in the power industry. The manufacturing method involves using a core with air-gap notches.typically cutting a complete toroidal core evenly into two or four parts, padding insulating plates of a certain thickness at the notches, then aligning the cut cores and fixing them with a stainless steel strip wound around the core and welded. This structural design helps prevent core displacement at the notches, ensuring the stability and accuracy of current transfomers.High-performance magnetic materials are usually used, which feature high initial magnetic permeability and low saturation magnetism, particularly outstanding in high-precision measurement and protection-level applications. By optimizing core design and material selection, TPY cores can effectively reduce magnetic losses, improve transformer efficiency, and ensure stable performance under various operating conditions.

Main products of the company: current transformer cores, transformer laminated cores, magnetic shielding, current transformer coils, etc. Certified by ISO9001 quality management system, ISO14001 environmental management system, and OHSAS18001 occupational health management system.

TPY Core

Main products of the company: current transformer cores, transformer laminated cores, magnetic shielding, current transformer coils, etc. Certified by ISO9001 quality management system, ISO14001 environmental management system, and OHSAS18001 occupational health management system.

Application scenarios

High and low voltage current transformers,toroidal transformers.

Materials used

Cold-rolled oriented high-quality silicon steel materials with low iron loss and high magnetic permeability, with thicknesses of 0.2mm,0.23mm,0.27mm,0.3mm, and 0.35mm.

Product Features

A core type specially designed for high-precision current measurement and protection,whose unique structural design and highperformance material selection give it important application value in the power industry. The manufacturing method involves using a core with air-gap notches.typically cutting a complete toroidal core evenly into two or four parts, padding insulating plates of a certain thickness at the notches, then aligning the cut cores and fixing them with a stainless steel strip wound around the core and welded. This structural design helps prevent core displacement at the notches, ensuring the stability and accuracy of current transfomers.High-performance magnetic materials are usually used, which feature high initial magnetic permeability and low saturation magnetism, particularly outstanding in high-precision measurement and protection-level applications. By optimizing core design and material selection, TPY cores can effectively reduce magnetic losses, improve transformer efficiency, and ensure stable performance under various operating conditions.

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