A power control system for power control in a mining / construction machine

The power control system dynamically adjusts power allocation and consumption across electrified mining and construction machines to prevent overloads and destabilization, enhancing system stability and reducing downtime by coordinating power usage and load prioritization.

WO2026155672A1PCT designated stage Publication Date: 2026-07-23EPIROC ROCK DRILLS AB
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
EPIROC ROCK DRILLS AB
Filing Date
2025-01-16
Publication Date
2026-07-23

AI Technical Summary

Technical Problem

Current power management systems in electrified mining and construction machines fail to adequately address power capacity limits, leading to instability, potential equipment damage, and costly downtime due to load shedding and power cuts.

Method used

A power control system that dynamically adjusts power allocation and consumption across multiple machines, using a grid interface controller and machine power controllers to monitor and coordinate power usage, ensuring it does not exceed forecasted power limits, and prioritizes loads to maintain system stability and reliability.

Benefits of technology

The system effectively prevents power overloads and destabilization by coordinating power distribution, minimizing disruptions, and ensuring efficient operation by adapting to fluctuating demands and supplies, thus reducing downtime and infrastructure damage.

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Abstract

The disclosure pertains to a power control system for managing power in mining or construction machines Each machine is connected to an electrical network and a communication network. The electrical network, connected to one or more power sources, supplies electric power to the machines. Each machine comprises one or more loads, an internal power source, and a machine power controller. The system includes a grid interface controller connected to the power sources and the machine power controller of each machine. The machine power controller is configured to transmit a power schedule representing current and forecasted power generation or consumption for each load and internal power source of the machine to the grid interface controller. Upon receiving an indication that the power schedule exceeds a forecasted power limit, the machine power controller determines a new power schedule and applies it to each load and internal power source of the machine.
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