2results about How to "Resolve data conflicts" patented technology

This invention discloses an early warning method and system for high and low voltage switchgear, belonging to the field of power system automation. The method includes: constructing a multi-dimensional sensing network to collect multi-source heterogeneous data such as temperature rise, partial discharge, mechanical characteristics, and environmental conditions in real time; preprocessing the data and aligning it with spatiotemporal features, and dynamically correcting the sensitivity threshold of the partial discharge criterion based on humidity or pressure change rate; extracting multi-dimensional fault feature vectors and dynamically assigning weights to each component according to operating conditions and environmental conditions; inputting the weighted feature vectors into a long short-term memory network integrating an attention mechanism to generate a multi-timescale predicted trajectory of the operating state; comparing the predicted trajectory with preset multi-level state thresholds in real time, and executing a three-level early warning judgment (attention, abnormal, and severe) and corresponding linkage protection strategies. This invention can reduce the risk of false alarms and missed alarms, providing reliable support for the intelligent operation and maintenance of high and low voltage switchgear.

This utility model relates to the field of power data transmission technology, specifically a collaborative interconnection system between an intelligent fusion terminal and data collectors. The system includes an intelligent fusion terminal, a synchronization time device, and several power collectors. The intelligent fusion terminal and the power collectors are connected via power lines. The synchronization time device is wirelessly connected to both the intelligent fusion terminal and each power collector. By transmitting the same reference time signal to all power collectors and the intelligent fusion terminal through the synchronization time device, multiple power collectors can transmit data collected at the same time in a time-sharing manner. The intelligent fusion terminal uses a zero-crossing monitoring circuit to detect the signal strength of the carrier communication in real time and automatically switches to the wireless communication module, ensuring the continuity and accuracy of data transmission.