What is the structure of a microgrid?

Structure The most basic structure of the microgrid is divided into three layers, as depicted in Fig. 1.5—local control (LC) layer in the bottom, followed by centralized control (CC) layer, and in the uppermost is the distribution network and dispatch layer.

What are the components of microgrid control?

The microgrid control consists of: (a) micro source and load controllers, (b) microgrid system central controller, and (c) distribution management system. The function of microgrid control is of three sections: (a) the upstream network interface, (b) microgrid control, and (c) protection, local control.

What is a microgrid system?

Microgrid is a grid system, in supplying reliable, autonomously, and high-quality electric power from the view of customer side. 145, 146 According to Reference 147, coordinating different micropower types in establishing a stable frequency and voltage controlling microgrid system is a hard task.

What is the basic architecture of a grid system?

The basic architecture of a µGrid system is presented in Fig. 1 (a), which shows that a µGrid system generally consists of four parts: i) the distribution system, ii) the DG sources, iii) energy storage, iv) control and communications modules. Some of the details of each part of the system are discussed below. Fig. 1.

What are microgrid control objectives?

The microgrid control objectives consist of: (a) independent active and reactive power control, (b) correction of voltage sag and system imbalances, and (c) fulfilling the grid's load dynamics requirements. In assuring proper operation, power systems require proper control strategies.

What are the modes of operation of a microgrid?

The two predominant modes of operation of the microgrid, that is, islanded mode and grid-connected mode, are also discussed in the following chapter. The chapter also deals with different forms of RES, modeling of various components of microgrid, and applications associated with microgrid. 1.1. Introduction