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Headline Hengda tells you the difference between insulation resistance and ground resistance?
What many people don't know is the insulation resistance and ground resistance. Then let's take a closer look at the difference between insulation resistance and ground resistance. 【see details】

Industry News

  • 隔离变压器的分类

    Classification of isolation transformers

    Isolation transformer is suitable for occasions with isolation, small leakage current, purification of power supply, harmonics and suppression of common mode interference. Suitable for circuits with AC 50Hz to 400Hz and voltage below 1000V, widely used in lighting, machine tool appliances, machinery electronics, medical equipment And other electrical equipment; from ... [Learn more]
  • 电子变压器行业进化论

    Electronic transformer industry evolution

    Electronic transformers are electronic products that can be seen everywhere and often invisible, and their role is very important. The electronic transformer industry has traditionally used manual or semi-automatic traditional production methods for a long time. With the development of China's electronics industry, especially ... [Learn more]
  • 音频变压器的工作原理

    How audio transformers work

    The power transformer works at a fixed frequency, such as 50Hz, 60Hz and so on. The audio transformer works in a wide frequency band, such as in the audio range of 50 ~ 2000Hz. The leakage inductance and distributed capacitance of transformers can be ignored in power transformers, but in ... [Learn more]
  • 3.15 恒达变压器时刻准备着

    3.15 Hengda Transformer is always ready

    Today is March 15, 2017, and it is another year of 3.15 International Consumer Rights Day. It is a day when all industries and consumers pay attention. Hengda Transformer is always ready to accept your review. The theme of this year's 315 is: "Internet integrity ... [Learn more]
  • 功放用环形变压器好还是EI型好?

    Is it better to use a toroidal transformer for power amplifier or EI type?

    The function of the power amplifier is to amplify the weak signal from the pre-amplifier or sound source to promote the sound of the speaker. As the core electronic component of the power amplifier, is it better to use a ring transformer or an EI type? First, let's compare the toroidal transformer with EI ... [Learn more]
  • 环形变压器温升太高的原因

    The reason for the high temperature rise of the toroidal transformer

    The reason why the temperature rise of the ring transformer is too high The temperature rise of the ring transformer is normal during use. This problem is also considered in the design of the transformer, but if the temperature rise is too high, it will affect the life and efficiency of the transformer. Then the ring transformer ... [Learn more]
  • 环形变压器的绝缘等级

    Insulation class of toroidal transformer

    The insulation level of the toroidal transformer is determined by the heat resistance level of the insulation material. The heat resistance level is divided into A, E, B, F, and H levels. The insulation grade is divided into A grade, E grade, B grade, F grade and H grade, and the corresponding high allowable temperatures (° C) are: 105 120 130 155 180. In the work of the transformer ... [Learn more]
  • 环形变压器的原理

    Principle of toroidal transformer

    In daily life, we cannot do without all kinds of electrical appliances. Almost all electrical appliances require transformers, but most people do not know much about transformers. What role they play in electrical appliances and what precautions are not clear. Here we are about the ring produced by Chongzhou Hengda Electronics Factory ... [Learn more]
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