Programmable Load Power Control for Grid Frequency Stability
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Solution Overview
Problem
The existing power grid systems face challenges in maintaining frequency stability due to imbalances between power generation and load, which can lead to equipment failure or system collapse.
Innovation Solution
A power control device that regulates the electrical consumption of loads in response to grid imbalances, using a programmable interface to adapt responses to specific application requirements, thereby stabilizing the grid frequency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If speed governor is used to regulate power output of generation units, then frequency stability is improved, but response speed is slow due to mechanical constraints
Solution Approach 1:
The patent replaces the mechanical speed governor system with an electronic control system that uses sensors to detect frequency deviations and electronically controls generation units. This substitution eliminates mechanical constraints and enables much faster response times while maintaining frequency stability control.
Solution Approach 2:
The control system automatically detects frequency deviations and adjusts generation unit output without human intervention. The system monitors grid frequency continuously and self-regulates power output based on detected imbalances, providing rapid autonomous response to frequency events.
2Reliability
If power reserve capacity is maintained to compensate for generation failures, then grid reliability is improved, but resource utilization efficiency deteriorates
Solution Approach 1:
The system performs preliminary detection of frequency deviations that indicate emerging imbalances. By detecting and responding to frequency events as they begin, the system prevents full-generation failures, allowing power plants to operate at higher capacities without maintaining large reserves.
Solution Approach 2:
The system continuously monitors grid frequency and provides real-time feedback to generation units. This feedback mechanism enables dynamic adjustment of power output based on actual grid conditions, optimizing resource utilization while maintaining reliability through rapid response to imbalances.
Data Source
AI summary
A power control device for controlling an electrical load. The system includes decision logic to implement a local response responsive to events currently occurring in a power grid. The power control device includes a user interface allowing programming the response to the grid imbalance to adapt that response to the particular application in which the load operates.