Microgrid control strategy and application

What are control strategies for microgrids?

Many different control strategies have been applied and discussed for microgrids. These control strategies are expressed in two different groups as Central Control and Decentralized Control. In this study, these control strategies are investigated and a comprehensive review on them are provided.

What is the nature of microgrid?

The nature of microgrid is random and intermittent compared to regular grid. Different microgrid structures with their comparative analyses are illustrated here. Different control schemes, basic control schemes like the centralized, decentralized, and distributed control, and multilevel control schemes like the hierarchal control are discussed.

What are the studies run on microgrid?

The studies run on microgrid are classified in the two topics of feasibility and economic studies and control and optimization. The applications and types of microgrid are introduced first, and next, the objective of microgrid control is explained. Microgrid control is of the coordinated control and local control categories.

How can power management control a microgrid?

Majority of the researchers have proposed power management control aspects using decentralized or coordinated control strategies. While, the current strategies based on traditional controllers in microgrid are appropriate for voltage control, the inadequate control of frequency still exists.

How can a microgrid controller be integrated into utility operations?

A simple method of integration of a microgrid controller into utility operations would be through abstraction. High-level use cases are presented to the operator (ex., voltage regulation, power factor control, island mode), but most actual control is handled by the remote controller and not the power system operator.

Do microgrids need energy management and control systems?

However, to ensure the effective operation of the Distributed Energy Resources (DER), Microgrids must have Energy Management and Control Systems (EMCS). Therefore, considerable research has been conducted to achieve smooth profiles in grid parameters during operation at optimum running cost.