Four-bridge arm thyristor switch voltage-regulating circuit and voltage-regulating method
A voltage regulation circuit and thyristor technology, which is applied in the direction of AC network voltage adjustment, etc., can solve the problems of less voltage regulation grades, arc generation, and inability to regulate forward and reverse voltages, achieve smooth regulation, improve voltage regulation characteristics, and improve The effect of voltage quality
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[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0028] see figure 1 , discloses a four-arm thyristor voltage regulating circuit according to the present invention, which includes a series transformer 1, an adjustment transformer 2, a four-arm thyristor switch and a control circuit, wherein the series transformer 1 is located at the input side of a high-voltage transmission line, For example, it is located between two-phase voltages connected to high-voltage transmission lines, or between single-phase voltages and ground wires. The adjusting transformer 2 is lo...
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