Control methods, devices, equipment, media and program products for power systems

By monitoring the operating parameters of the three-phase power supply and adjusting the output of the AC/DC conversion module, the imbalance problem in the three-phase power system was solved, achieving dynamic response and real-time adjustment, thus improving the stability and efficiency of the system.

CN122092306APending Publication Date: 2026-05-26EMERSON NETWORK POWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
EMERSON NETWORK POWER CO LTD
Filing Date
2024-11-22
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In a three-phase power system, the operating states of AC loads and DC loads may be asynchronous, resulting in an imbalance of three-phase currents. Existing technologies struggle to achieve dynamic response and real-time adjustment, affecting system stability and efficiency.

Method used

By monitoring the operating parameters of the three-phase power supply, the imbalance can be detected, and the output of the AC/DC conversion module in the DC system can be adjusted to balance the three-phase power supply, thus achieving dynamic response and real-time adjustment when an imbalance occurs in the power system.

Benefits of technology

It enables dynamic response and real-time adjustment in three-phase power systems under unbalanced conditions, improving system stability and energy utilization, and reducing equipment damage and losses.

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Abstract

This application provides a control method, apparatus, equipment, medium, and program product for a power system. The power system includes: an AC load connected to a three-phase power source and a DC load connected to the three-phase power source via a DC system; the DC system includes corresponding AC / DC conversion modules; the control method includes: acquiring the operating parameters of each phase of the three-phase power source; detecting whether an imbalance occurs in the three-phase power source based on the operating parameters of each phase; and adjusting the output of the AC / DC conversion module in the DC system to balance the three-phase power source when any phase is unbalanced. This method achieves dynamic response and real-time adjustment when an imbalance occurs in the power system by adjusting the output of the AC / DC conversion module in the DC system.
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