Electrical Network Control Without Grid Plans
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Solution Overview
Problem
Existing electrical network monitoring and control systems are unreliable and inefficient due to reliance on network plans, which can lead to inadequate or counterproductive operations when the plan is erroneous or unavailable, and fail to account for dynamic production and consumption patterns.
Innovation Solution
A method for monitoring and controlling electrical networks that acquires and analyzes real-time power consumption and production data from entities in a sub-network, using a data model learned from historical data to determine optimal production and consumption quotas, without requiring a network plan, and adjusts control actions based on technical constraints and optimization functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional control methods based on network plans and load flow methods are used, then control actions can be determined, but reliability deteriorates when the network plan is erroneous or unavailable
Solution Approach 1:
The patent extracts and removes the dependency on network plans from the control system. Instead of relying on pre-defined network topology and parameters, the system directly measures actual electrical quantities (voltages, currents, powers) at monitoring points and uses these measurements to determine control actions, thereby eliminating the harmful dependence on potentially erroneous network plan data
Solution Approach 2:
The patent implements continuous feedback by monitoring actual electrical quantities in real-time and using these measurements to adjust control actions. The system measures actual voltages, currents, and powers, compares them with reference values or constraints, and dynamically determines control actions based on the deviation, ensuring reliable operation regardless of network plan accuracy
2Reliability
If conventional control methods are used, then control actions can be determined, but adaptability deteriorates when encountering unexpected operating situations
Solution Approach 1:
The patent transforms the static, plan-based control approach into a dynamic measurement-based system. Control actions are continuously updated based on real-time measurements of electrical quantities, allowing the system to adapt automatically to changing operating conditions, unexpected situations, and dynamic load variations without requiring manual plan updates
Solution Approach 2:
The patent changes the fundamental parameters used for control from predetermined network plan parameters to actual measured electrical quantities. By using real-time measurements of voltages, currents, and powers as the basis for control decisions, the system becomes inherently adaptable to any operating situation that manifests as measurable electrical parameters
3Reliability
If measurement-based control is implemented, then reliability and adaptability improve, but measurement and detection complexity increases
Solution Approach 1:
The patent introduces intermediary measurement devices (current transformers, voltage transformers, power meters) that facilitate the measurement of electrical quantities. These intermediaries convert high-power electrical signals into measurable low-power signals, making the measurement process feasible and reducing the direct complexity of measuring high-voltage, high-current parameters
Data Source
AI summary
A method for monitoring and controlling an electrical network that includes at least one transformer station delimiting a medium-voltage sub-network and a low-voltage sub-network and a plurality of entities that are connected to a determined voltage in the low-voltage sub-network, each entity being a consumer and/or a producer of electricity in the low-voltage sub-network. The method includes determining control data on the production and/or on the consumption of electricity to be applied to one or more entities of the low-voltage sub-network taking into account previously determined production and/or consumption quotas.