Power grid intermittent arc grounding simulation generation device and operation method thereof

Abstract

The invention discloses a power grid intermittent arc grounding simulation generation device and an operation method thereof. The device comprises a rotating system, a discharging system, a supporting platform system and a control system. The rotating system comprises a first driving motor and a conductive disc; the conductive disc is an insulating disc, and conductive sheets are fixedly arranged at preset equally-divided positions of the insulating disc; the discharging system comprises a discharge electrode; the discharge electrode comprises a high-voltage electrode and a grounding electrode, wherein the first driving motor is fixedly mounted on the supporting platform system, and the first driving motor is connected with the conductive disc through a driving shaft and used for driving the conductive disc to rotate; and the control system is used for tracking the phase of the high-voltage electrode, controlling the rotating speed of the conductive disc based on the tracked phase, and realizing intermittent single-phase arc grounding discharge at a high-voltage alternating current preset position. The device can simulate the single-phase grounding fault, and can be used for carrying out the performance test of protection equipment, fault positioning equipment and the like of a power grid.

Description

technical field [0001] The invention belongs to the technical field of grounding devices for electric power equipment, and in particular relates to a power grid intermittent arc grounding simulation generating device and an operating method thereof. Background technique [0002] Accidents such as short-circuit faults may occur during the transmission of high-voltage electric energy, resulting in line burnout, which will cause certain harm to the safe and stable operation of the power grid. In summary, how to effectively detect and prevent the occurrence of various short-circuit accidents has become the research focus of power system staff and related scholars. [0003] In the high-voltage non-neutral point grounding system, the probability of single-phase arcing ground faults is very high, accompanied by serious overvoltage problems, which is one of the main threats to the reliability of power supply for power distribution systems. Single-phase arc grounding is a short-circ...

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Problems solved by technology

At present, relevant detection equipment can realize arc ground fault detection in principle, but due to the limitations of insufficient field technology and relatively expensive costs, it is difficult to realize single-phase fault detection on the power grid (for example, 10kV power supply network) in actual operation. Fault simulation

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