Medium-voltage fault studying and judging method based on distribution network operation monitoring data

Abstract

The invention provides a medium-voltage fault studying and judging method based on distribution network operation monitoring data. The medium-voltage fault studying and judging method based on the distribution network operation monitoring data comprises the following steps: (4) acquiring power supply and acquisition distribution transformer power-off and power-on electric signals and power distribution automation master station power-off and power-on electric signals, caching the power supply and acquisition distribution transformer power-off and power-on electric signals and the power distribution automation master station power-off and power-on electric signals into a memory queue for preprocessing, screening the same distribution transformer, and reserving a record with the earliest power-off time and a record with the last power-on time; sorting is carried out, so that a distribution transformer power failure and recovery information record is generated before power recovery of the power failure row; and (5) judging whether the state is a power-off and power-on state according to the information data, and if the state is a power-off state, continuing to execute the fault studying and judging step. The medium-voltage fault studying and judging method based on the distribution network operation monitoring data has the advantages that quasi-real-time medium-voltage fault studying and judging can be achieved, medium-voltage fault studying and judging accuracy is improved, the medium-voltage fault studying and judging method can support first-aid repair migration, and the power supply service level is improved.

Description

technical field [0001] The invention belongs to the technical field of a medium-voltage fault research and judgment method based on distribution network operation monitoring data, and in particular relates to a medium-voltage fault research and judgment method based on distribution network operation monitoring data. Background technique [0002] With the development of science and technology society, the scale of the power grid is also expanding, and the structure of the power grid is becoming more complex. Residents, enterprises and other power consumers pay more attention to the reliability of power supply. The emergency repair of medium-voltage faults in the distribution network is an important link to ensure the safe operation of the power system. It is also an important support for improving power supply reliability and optimizing the business environment. Improving the accuracy and real-time performance of medium-voltage fault research and judgment can empower front-lin...

AI Technical Summary

Problems solved by technology

[0003] However, there are still deficiencies in the above-mentioned structure, especially when repairing medium-voltage faults, most power supply companies in cities rely on the experience and judgment of emergency repair commanders on power outages and spend a lot of time verifying other professional systems The data and rely on the on-site inspection of emergency repair personnel to judge the authenticity of the fault point. The emergency repair personnel will also be exhausted due to inaccurate fault research and judgment, resulting in low efficiency of emergency repair work, low utilization rate of emergency repair forces, and high emergency repair costs.

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