The New Jersey Institute of Technology's
Electronic Theses & Dissertations Project

Title:	Simulation of a low voltage customer microgrid using petri nets
Author:	Mark, Joshua
View Online:	njit-etd2016-055 (xvii, 179 pages ~ 1.6 MB pdf)
Department:	Department of Electrical and Computer Engineering
Degree:	Master of Science
Program:	Electrical Engineering
Document Type:	Thesis
Advisory Committee:	Zhou, MengChu (Committee chair) Hou, Edwin (Committee member) Cao, Haiwang (Committee member)
Date:	2016-05
Keywords:	Petri nets Low voltage microgrid Renewable energy
Availability:	Unrestricted
Abstract:	With renewable energy coming to the forefront of how power is generated and delivered to the modern consumer, Microgrids are emerging as an optimal and efficient method for implementing renewables and changing the infrastructure of the dated transmission and distribution grid. This thesis work presents mathematical models of Petri Nets for the simulation of a low voltage customer Microgrid. Using previous work created in this specific field, a Hybrid Petri Net is modified such that it consists of multiple distributed generators, storage, and the utility which is referred to as the main distribution grid in this thesis. A Discrete Petri Net is developed for load shedding which is critical for simulation purposes. Two types of Scheduling are developed, heuristic and reliability ones for the Microgrid to operate. Equations for firing rates are obtained for continuous transitions. Input weather data is obtained from outside sources and modified for the simulation. Computer programs are created for the microgrid simulation and the creation and presentation of the reachability graphs. A total of twelve simulations are run with the data analyzed and reachability graphs for the hybrid and discrete load shedding Petri nets developed for two simulations.