Method and system for adaptive regulation of power quality of impact load in broken rock mass grouting

By using the Eaglefish optimization algorithm and SVPWM control method, the power quality of the grouting equipment in the fault fracture zone of the mine is adjusted in real time, which solves the problem of power grid fluctuation caused by impact load and realizes the stability of power quality and continuous operation of the equipment.

CN122437013APending Publication Date: 2026-07-21NANHUA UNIV +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANHUA UNIV
Filing Date
2026-04-27
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The impact load of grouting equipment in fault fracture zones in underground mines causes power quality problems. Existing devices are unable to achieve real-time and accurate tracking and matching of large-scale dynamic changes at the millisecond level, resulting in severe fluctuations in grid voltage and unplanned equipment shutdowns.

Method used

The control parameters are optimized using the Eaglefish optimization algorithm, combined with the SVPWM space vector control method. The microprocessor generates PWM control signals to drive the circuit to output compensation current and voltage, thereby regulating the power quality in real time.

Benefits of technology

It achieves precise matching of millisecond-level dynamic changes in mine impact load, suppresses power grid fluctuations, avoids equipment downtime, ensures the continuity of grouting operations and the uniformity of grout diffusion, and improves the quality of underground power.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of broken rock mass grouting impact load electric energy quality self-adaptive regulation and control method and system, belong to mine electromechanical equipment intelligent control and electric energy quality optimization technical field.Regulation and control method is by collecting the three-phase bus voltage of mine power supply network and the three-phase current of grouting equipment impact load, microprocessor utilizes hawkfish optimization algorithm to optimize control parameter, according to optimal control parameter output PWM control signal, drive circuit output compensation current and compensation voltage adjust electric energy quality.Hawkfish optimization algorithm calculates environmental feedback signal according to the relative improvement rate of contemporary and last generation female average fitness, dynamically adjusts male proportion, female individual carries out local random walk, male individual carries out long-distance random movement, and adaptively adjusts visual range.The application can track and accurately match millisecond level dynamic mutation of fault broken zone grouting equipment impact load in real time, effectively suppresses power grid violent fluctuation, ensures the continuity of grouting filling operation and surrounding rock reinforcement effect.
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