Is the open-type transformer good? What are the disadvantages of the open-type current transformer -

Is the open-type transformer good? What are the disadvantages of the open-type current transformer? What is the open-type transformer? Is the open-type transformer good? The open-type current transformer is suitable for indoor installations with a rated voltage of 10kV and below. For circuit control, measurement, line transformation measurement and protection, etc. So what are the disadvantages of the open current transformer? The link of the induced current in the open transformer is disconnected, that is, the induction core is not a closed whole, and the efficiency of the magnetic circuit is reduced in the gap. It is difficult to make a complete fit after the opening, so the sensing effect and accuracy will be affected to a certain extent. Is the open-type transformer good? The open-ended current transformer is suitable for indoor installations with a rated voltage of 10kV and below. For circuit control, measurement, line transformation measurement and protection, etc. Brief introduction to the structure of open current transformer This current transformer adopts high-strength PVC shell and fully casted busbar structure. The transformer is directly stuck on the cable, and the three rubber rings are against the cable and integrated with the cable. The transformer core is made of high-quality silicon steel sheet, and the secondary wire is evenly wound on the core. The transformer is a split structure and can be installed without cutting the cable. Scope of application of open current transformer 1. The altitude of the installation site does not exceed 3000m; 2. Ambient temperature: -25—+40°C; 3. The outer diameter of the cable that can be worn once: φ8—φ240mm 4. Input: 0～60KA 5. Output : 0 ~ 500mA 1A or 5A 5VDC or 4 ~ 20MA (defined by the customer) There is no pollution, corrosive or explosive medium in the atmosphere that seriously affects the insulation performance of the transformer. What are the disadvantages of the open current transformer 1. The working noise is relatively large. 2. The heat generation is relatively large. 3. The measurement error is relatively large. 4. The price is high. Overall, the efficiency of the magnetic circuit decreases at the gap. It is difficult to make a complete fit after the opening, so the sensing effect and accuracy will be affected to a certain extent.