Dynamic Energy Allocation Control for Low-Voltage Grid Stability

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Solution Overview

Problem

The increasing integration of decentralized energy sources, such as photovoltaic systems, into low-voltage electrical energy distribution networks poses challenges for grid stability due to fluctuations in energy supply and demand, requiring improved methods for local energy storage and allocation.

Innovation Solution

A control system that dynamically allocates locally generated electrical energy to multiple consumers by determining energy allocation coefficients based on measurements of energy production and consumption, allowing for proportional allocation and regulation of energy use to stabilize the distribution network.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If decentralized energy sources are integrated into the distribution network, then local energy generation increases, but grid stability deteriorates due to supply fluctuations

Engineering Contradiction:
Improvelocally generated electrical energyVSAvoidgrid stability
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The control device continuously monitors the electrical power output from decentralized generation devices and the power consumption of consumers, using this feedback information to dynamically calculate energy allocation coefficients and adjust distribution in real-time, thereby maintaining grid stability despite supply fluctuations

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system transitions from static energy allocation to dynamic allocation by continuously adjusting energy allocation coefficients based on real-time measurements of power output and consumption, allowing the distribution network to adapt to fluctuating decentralized energy supply

Inventive Principle:
Principle #15Dynamics

2Quantity of substance

If decentralized energy sources are integrated into the distribution network, then local energy generation increases, but measurement and control complexity increases

Engineering Contradiction:
Improvelocally generated electrical energyVSAvoidcontrol system complexity
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The control system is segmented into distributed measurement devices at consumer locations and a central control device that processes measurements and calculates allocation coefficients, distributing the control functionality rather than concentrating all complexity in one location

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The control device acts as an intermediary between decentralized generation devices and multiple consumers, receiving power output measurements and consumption measurements, then mediating the energy allocation by calculating and applying energy allocation coefficients to balance supply and demand

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If energy allocation coefficients are determined dynamically, then energy distribution efficiency improves, but control and regulation complexity increases

Engineering Contradiction:
Improveenergy distribution efficiencyVSAvoidcontrol device complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The control device automatically determines energy allocation coefficients based on measured power output and consumption data without requiring manual intervention, and automatically controls controllable consumers to align their power consumption with available supply, enabling the system to self-regulate

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual or mechanical energy allocation methods with an automated electronic control system that uses electrical measurements and computational algorithms to dynamically determine allocation coefficients and control energy distribution

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentEP4572063A1Control system for improving the stability of the network of an electrical power distribution network
Publication Date: 2025.06.18 E ON AG
  • EP4572063A1 patent drawingFigure 1
  • EP4572063A1 patent drawingFigure 2
  • EP4572063A1 patent drawingFigure 3

AI summary

A control system for improving the stability of an electrical energy distribution network comprises at least one device for providing electrical energy and at least one first measuring device configured to measure an electrical power output by the device for providing electrical energy. Furthermore, the control system comprises a plurality of electrical consumers and at least one second measuring device configured to measure an electrical power consumption of the respective electrical consumers. A control device is configured to determine an energy allocation coefficient for each of the plurality of electrical consumers based on the measurements of the at least one first measuring device and the at least one second measuring device.Furthermore, the control device is configured to control the device for providing electrical energy or at least one of the electrical consumers based on the determined energy allocation coefficients.