IP-Based Grid Load Control for Real-Time Operating Reserves
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Solution Overview
Problem
Existing electric utilities face challenges in managing power load to defer the need for additional generation capacity, particularly in integrating renewable energy sources, while ensuring grid stability and reliability, with existing load control methods being inefficient and lacking real-time measurement and verification.
Innovation Solution
A system and method for actively managing power load on an electric grid using IP-based messaging with distributed devices, including power consuming and supplying devices, to create operating reserves and provide real-time load curtailment, utilizing advanced communication protocols and smart meters for precise power control and compensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional load control methods are used, then power load management is performed, but real-time measurement and verification are lacking, reducing measurement precision
Solution Approach 1:
The patent implements a feedback mechanism where smart meters continuously measure power consumption and communicate this data back to the load control system. The system then sends control signals back to adjusting devices (such as thermostats or switches) to modify power consumption based on grid conditions, creating a closed-loop feedback system that enables real-time measurement and verification with improved precision.
Solution Approach 2:
The patent replaces traditional mechanical or manual load control methods with electronic and digital systems. Smart meters use electronic measurement circuits to precisely measure power consumption, and digital communication protocols transmit data between devices. This substitution of mechanical systems with electronic/digital systems enables real-time measurement and verification while maintaining manageable system complexity through standardized interfaces.
2Reliability
If additional generation capacity is deployed to meet peak demand, then power supply reliability is improved, but the cost of producing base load, intermediate, and peak power increases
Solution Approach 1:
The patent implements demand response programs that encourage consumers to pre-adjust their power consumption patterns before peak demand periods occur. Through advance notifications, incentive structures, and automated control systems, the system prompts users to shift non-critical loads to off-peak hours, pre-cool or pre-heat spaces, or adjust settings in anticipation of upcoming peak periods. This preliminary action reduces the need for additional generation capacity during peaks while maintaining supply reliability.
Solution Approach 2:
The patent employs dynamic load control that continuously adapts power consumption based on real-time grid conditions, pricing signals, and consumer preferences. Rather than static load management, the system dynamically adjusts power distribution to controllable devices, shifting loads from peak to off-peak periods based on varying grid demands and costs, thereby reducing the need for expensive peak generation capacity while ensuring reliability when needed.
3Power
If fossil fueled electric generation is used to meet demand, then power production capacity is maintained, but carbon emissions and environmental impact increase
Solution Approach 1:
The patent changes the operational parameters of power generation by shifting the timing and distribution of power consumption rather than changing the generation technology itself. Through demand response and load management, the system modifies when and how power is consumed, reducing the need for fossil fuel generation during peak periods when emissions would be highest, while maintaining overall power production capacity through optimized consumption patterns.
Solution Approach 2:
The patent converts the potential harm of peak demand (which requires additional fossil fuel generation and increases emissions) into a benefit by using smart metering and control systems to identify, measure, and manage controllable loads. The system transforms the problem of peak demand into an opportunity for optimization, where detailed measurement data enables precise control of power consumption patterns, reducing the need for carbon-intensive peak generation while maintaining supply reliability.
Data Source
AI summary
Systems and methods for managing power on an electric power grid including a server for communicating IP-based messages over a network with distributed power consuming devices and/or power supplying devices, the IP-based messages including information including a change in state of the power consuming device(s), a directive for a change in state of the power consuming device(s), a priority message, an alert, a status, an update, a location with respect to the electric power grid, a function, device attributes, and combinations thereof.