Thyristor driving circuit suitable for high-voltage TSC reactive power compensator

• Main Authors: ZHANG YUKE, XU TIANMING, PAN XIAODONG, CHENG XIANG
• Format: Patent
• Language: Chinese; English
• Published: 02.07.2014
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; PULSE TECHNIQUE

The utility model relates to the technical field of high-voltage thyristor valve driving, and particularly a thyristor driving circuit suitable for a high-voltage TSC reactive power compensator. The driving circuit includes a fiber driving signal generator, a thyristor driving and protection device, a thyristor, a buffering circuit, and a high-order energy-taking circuit, wherein the fiber driving signal generator inputs signals to the thyristor driving and protection device based on detected electrical network voltages and phase signals, the thyristor driving and protection device outputs electric impulses through an optoelectronic pulse converter, and the device obtains energy from the high-order energy-taking circuit at the rear stage, amplifies the power of converted electric signals and applies the power to the gate pole of a thyristor element to trigger the conduction of the thyristor element, and the buffering circuit reduces the overvoltage acting on the thyristor 3 during the process of reverse volta