Spare power automatic switching method and system thereof, spare power automatic switching device and storage medium
A technology of self-switching and substations, which is applied in the direction of circuit devices, electrical components, emergency power supply arrangements, etc., and can solve problems such as error recovery
Inactive Publication Date: 2020-10-09
SHENZHEN POWER SUPPLY BUREAU
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[0005] The purpose of the present invention is to propose a backup automatic switching method and its system, backup automatic switching device, and storage medium to solve the technical problem of false recovery of the lower-level backup automatic switching device after load shedding of the upper-level safety and stability device
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[0039] Various exemplary embodiments, features, and aspects of the invention will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
[0040] In addition, in order to better illustrate the present invention, numerous specific details are given in the following specific examples. It will be understood by those skilled in the art that the present invention may be practiced without certain of the specific details. In some instances, means well known to those skilled in the art are not described in detail in order to highlight the gist of the present invention.
[0041] refer to figure 1 , the embodiment of the present invention proposes a method for self-initiation, including the following steps S1-S7:
[0042] Step S1,...
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The invention relates to a spare power automatic switching method, a spare power automatic switching device and a storage medium. The spare power automatic switching method comprises the steps of: enabling a substation spare power automatic switching device not to be started if a 10 kV bus has a voltage or an incoming line switch has a current; if the 10 kV bus has no voltage and the incoming lineswitch has no current, judging whether a superior master station is provided with a safety stabilizing device or not; if the superior master station is not provided with the safety stabilizing device, stsarting the substation spare power automatic switching device; if the superior master station is provided with the safety stabilizing device, acquiring a voltage signal of a substation 10 kV bus within a preset time period; if the preset voltage change condition is not met or the preset voltage imbalance condition is not met, starting the substation spare power automatic switching device; andif the preset voltage change condition and the preset voltage imbalance condition are met, enabling the substation spare power automatic switching device not to be started. According to the spare power automatic switching method, the spare power automatic switching device and the storage medium, the technical problem of error recovery of the lower-level spare power automatic switching device afterload shedding of the upper-level safety stabilizing device can be solved.
Description
technical field [0001] The invention relates to the technical field of power system standby automatic switching, in particular to a standby automatic switching method and system thereof, a standby automatic switching device, and a storage medium. Background technique [0002] With the development of society, users have higher and higher requirements for the reliability of power supply of power system. The most effective way to increase power supply reliability is to increase user power supply points, that is, the more power supplies to users and the smaller the interconnection between power supplies, the higher the reliability of power supply. Adding multi-channel power supply will inevitably require multi-radiating power transmission lines and supporting power supply equipment. At the same time, the transmission corridors required for transmission lines will also occupy a large amount of land resources. In this way, the capital cost and the cost of scarce resources such as...
Claims
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IPC IPC(8): H02J9/06
CPCH02J9/062
Inventor 谷斌江晨玲祖悦强叶雪映樊新启梁嘉俊赖天德郭乐欣苏楠旭王世祥
Owner SHENZHEN POWER SUPPLY BUREAU