Power outage sensing method for a power distribution area and related apparatus

By utilizing multi-level secondary judgment conditions in the transformer substation power outage sensing method, including preliminary judgment and multi-level avoidance logic, the problem of insufficient accuracy and completeness in transformer substation power outage sensing is solved, and more accurate and comprehensive power outage sensing is achieved.

CN121559240BActive Publication Date: 2026-06-09YUNNAN POWER GRID CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YUNNAN POWER GRID CO LTD
Filing Date
2026-01-21
Publication Date
2026-06-09

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Abstract

The application relates to the technical field of power failure detection, and discloses a transformer area power failure sensing method and related devices, which comprises the following steps: obtaining current measurement data of a target transformer area; determining whether a suspected power failure event exists in the target transformer area by using preset preliminary judgment conditions of transformer area power failure and the current measurement data; if the suspected power failure event exists in the target transformer area, performing authenticity verification on the suspected power failure event by using preset multi-stage secondary judgment conditions of transformer area power failure, determining a verification result of the suspected power failure event, and using the verification result to reflect whether the suspected power failure event is a real power failure event; and outputting the verification result to a preset display terminal. Through the above method, multi-stage secondary judgment can be performed on the suspected power failure event, the rigor and comprehensiveness of power failure sensing are improved, and the power failure sensing is more accurate and complete.
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Citation Information

Patent Citations

  • Real-time power failure studying, judging and alarming method and device based on state cache and storage medium

    CN118171814A

  • Power failure risk research and judgment method, system and equipment, storage medium and program product

    CN119539504A