Preset phase control arc extinction control method based on counter calibration control phase angle
The invention discloses a preset phase control arc extinction control method based on a counter calibration control phase angle, which is realized based on a preset phase control arc extinction control device, and specifically comprises the following steps: S1, a logic control unit calculates system...
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| creator | XU KAI XIANG JUNNA LI RUIGUI ZHAO JUNXIA WEN YIRAN |
| description | The invention discloses a preset phase control arc extinction control method based on a counter calibration control phase angle, which is realized based on a preset phase control arc extinction control device, and specifically comprises the following steps: S1, a logic control unit calculates system capacitance current and a corresponding initial control phase angle theta according to voltage and current signals of a phase control arc extinction coil; s2, a counter calibration unit tracks the synchronous reference voltage signal U0 of the system, and calculates a correction value of a control phase angle according to the change of the synchronous reference voltage signal U0; s3, the logic control unit calculates a calibrated phase control phase angle according to the steps S1 and S2; and S4, the logic control unit sends a trigger instruction KG to a thyristor control circuit according to the phase control phase angle calculated in the step S4 to compensate the system. According to the method, the problem of c |
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| subjects | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION |
| title | Preset phase control arc extinction control method based on counter calibration control phase angle |
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