Microgrid Control Software for Bi-directional Power State Transitions
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Solution Overview
Problem
Current microgrid technologies lack a comprehensive system and method for managing AC to AC, DC to DC, AC to DC, and DC to AC across multiple inputs and outputs, and do not effectively use rules to control the operation of microgrid modules, particularly in transitioning between different operating states.
Innovation Solution
A system and method utilizing a control software module installed in a computing device coupled to a microgrid module, which operates as a distributed control point, receives data from sensors and controllable elements, and applies rules to manage and transition the microgrid module between different operating states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a comprehensive system for managing AC to AC, DC to DC, AC to DC, and DC to AC power conversion is implemented, then the versatility and adaptability of the microgrid is improved, but the device complexity increases
Solution Approach 1:
The control software module is designed to handle multiple power conversion modes (AC to AC, DC to DC, AC to DC, DC to AC) through a single integrated system. The microgrid controller can dynamically switch between different operating states and power flow configurations, making one system perform multiple functions that would otherwise require separate dedicated systems.
Solution Approach 2:
The system employs dynamic state transitions where the microgrid can switch between grid-connected and islanded modes, and between different power conversion configurations. The control software dynamically adjusts operating parameters and power flow paths based on real-time conditions, allowing the system to adapt its structure and function rather than requiring fixed dedicated pathways for each conversion type.
2Reliability
If rules-based control is implemented for transitioning between operating states, then the reliability and determinism of microgrid operation is improved, but the device complexity increases
Solution Approach 1:
The control software module continuously monitors microgrid operating conditions and uses feedback from sensors and system state to determine appropriate state transitions. Rules-based control logic evaluates current operating parameters and automatically initiates transitions when predefined conditions are met, ensuring reliable and deterministic operation while maintaining adaptability to changing conditions.
Solution Approach 2:
The microgrid controller autonomously manages state transitions and power conversion operations without requiring external intervention. The rules-based control system automatically detects when transitions are needed and executes them based on predefined criteria, making the control system self-regulating and reducing the need for complex external control infrastructure.
3Productivity
If real-time control of bi-directional power sources is implemented, then the productivity and responsiveness of the microgrid is improved, but the device complexity increases
Solution Approach 1:
The control software is pre-configured with rules and parameters for different operating states and transition criteria. When specific conditions are detected, the system has pre-established control logic ready to execute immediate state transitions, enabling rapid response to changing power conditions without requiring complex real-time decision-making algorithms.
Data Source
AI summary
Systems and methods are described herein for controlling the states of a microgrid module. The microgrid module includes transformers and/or power converters necessary for modifying the input AC or DC power sources to meet the required characteristics of the output power. The microgrid module further comprises a control software module installed on a microgrid computer. The control software module receives data associated with the operating state of the microgrid module. The control software module can access rules associated with each microgrid module operating state to determine whether the microgrid module must transition to a different operating state. If a transition is appropriate, the control software module can apply commands to transition the microgrid module to a different operating state. The control software module can continue to monitor the microgrid module to determine when another state transition is appropriate.