Overvoltage protection suitable for power electronic components (thyristors). The varistor has symmetrical voltage-current characteristics, making it suitable for absorbing surge voltages from AC, DC positive and negative poles, with no need to consider polarity during installation. Zinc oxide resistors have the following features: high energy density (700–1000 J/cm³), capable of being assembled into components with rated voltages exceeding 10,000 V or energy levels up to 4,000 KJ; the varistor voltage remains stable after temperature cycling, shock, and vibration tests, with good residual voltage ratio and leakage current test performance; diverse structural forms and assembly methods, making it convenient for users to apply in various applications, easy to install, and with good moisture resistance.
Thyristor Protector Varistor Over-Voltage Absorption Device
Thyristor Protector Function: Mainly used for the protection of high power thyristors, preventing damage to the thyristors caused by over voltage or over current in AC and DC systems. Working Principle: The thyristor protector operates using the nonlinear char…
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