Power distribution network fault handling method based on self-recovering control
A technology for fault and self-healing control of distribution network, applied in the direction of electrical components, circuit devices, etc., can solve the problem that the optimization effect cannot be obtained, the load is not considered, the change trend of distributed power output, and the distributed power/microgrid is not used. / The role of energy storage devices, etc., to achieve the effect of strong adaptability and improved economy
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[0040] The self-healing control scheme of the distribution network is controlled according to the current operating state of the distribution network to achieve a healthier operating state, thereby ensuring the safe, reliable, high-quality, and economic operation of the distribution network.
[0041] The specific control process is as follows:
[0042] 1) The implementation process of distributed self-healing control: voltage and current transformers respectively transform the voltage and current of the distribution network into weak current or light signals, and the protection control device and the relay protection device receive the converted voltage and current signals and protect The setting value is compared, and the action start value is exceeded. For example, the set value of the rich line current is 3A, and the collected current at the K103 switch is 5.7A. When the current at the K103 switch is 5.7A, the relay will be triggered to open the K103 to remove the fault; At this...
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