The Research on the Design Method of Micro Grid Operation Control Strategy Based on the Analysis of the Typical Example

Abstract: Analyzing the rules of microgrid operation based on the design principle and engineering philosophy, and then defining seven microgrid operation states included: grid-tied state, and/off state, off-grid state, off/and state, fault state, power-latch state and shutdown state. Based on these seven modes, the different control strategy will be set out. These seven strategies can be integrated and be used to control the microgrid together. So we can gain the maximum efficiency of the microgrid through that above. At the same time, the appropriate control mode will be selected to guarantee the microgrid can be switched from one mode to another smoothly.. Above all, the microgrid can operate reliably through the integrated control strategy.