Manufacturing method of damper for preventing ferromagnetic resonance of capacitor voltage transformer

A voltage transformer and ferromagnetic resonance technology, applied in the direction of voltage/current isolation, etc., can solve the problems of high cost, large space occupation, long assembly time, etc., and achieve the goal of preventing ferromagnetic resonance, saving space and reducing production costs Effect

Pending Publication Date: 2022-01-04
山东泰开互感器有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The fast saturated reactor type damper is composed of two components, a reactor and a resistor, which are install

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  • Manufacturing method of damper for preventing ferromagnetic resonance of capacitor voltage transformer
  • Manufacturing method of damper for preventing ferromagnetic resonance of capacitor voltage transformer

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. The technical solutions in the embodiments of the present invention are clearly and completely described, and the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] like figure 1 , 2 As shown, the patent of the present invention designs an embodiment of a damper suitable for preventing ferromagnetic resonance of a capacitive voltage transformer. In this embodiment, the damper for preventing ferromagnetic resonance of a capacitive voltage transformer includes an iron core 1, The outer surface of the iron core 1 is covered with an electrical insulating paper layer 2 and placed in a ce...

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Abstract

The invention relates to a manufacturing method of a damper for preventing ferromagnetic resonance of a capacitor voltage transformer, and belongs to the technical field of voltage transformer production. The damper comprises an iron core, the outer surface of the iron core is coated with an electrical insulation paper layer, the iron core is arranged in a ceramic protection box, and a high-temperature-resistant insulation layer and a high-resistivity wire layer are sequentially arranged outside the ceramic protection box. The damper is compact in structure, small in occupied space and low in production cost.

Description

technical field [0001] The invention relates to the technical field of voltage transformer production, in particular to a damper suitable for preventing ferromagnetic resonance of a capacitive voltage transformer and a manufacturing method thereof. Background technique [0002] Capacitive voltage transformer is a voltage transformer that extracts voltage from a voltage dividing capacitor, and then transforms it through a transformer as a voltage source for meters, relay protection, etc. Capacitive voltage transformers can also couple carrier frequency to transmission lines for long-distance communication etc. Therefore, compared with conventional electromagnetic voltage transformers, capacitive voltage transformers can prevent ferromagnetic resonance caused by saturation of voltage transformer cores, and have many advantages in terms of economy and safety. [0003] At present, there are many types of methods for preventing ferromagnetic resonance of capacitive voltage trans...

Claims

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Application Information

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IPC IPC(8): G01R15/16
CPCG01R15/16
Inventor 马飞李磊袁刚刘斌赵虎王利婧王瑞辰王彤彤曹昌起孔伟伟杨涛赵岩于世慧刘芳芳
Owner 山东泰开互感器有限公司
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