International Journal For Technological Research In Engineering Volume 7, Issue 9, May-2020 ISSN (Online): 2347 - 4718 www.ijtre.com Copyright 2020.All rights reserved. 6868 IMPLEMENTATION OF NANOGRIDS FOR FUTURE POWER SYSTEM Anant Kumar 1 , Prof. N.K. Singh 2 , Prof. Balram Yadav 3 1 PG scholar, 2 Head of department, 3 Assitant professor Department of Electrical Engineering, SCOPE ENGINEERING COLLEGE, BHOPAL ABSTRACT: Microgrid is a new technology in power generation and this system is used to provide power and heat to its local area, such as cogeneration systems and renewable energy (wind turbines, photovoltaic cells, etc.). They are preferred for medium or high power applications. Nanogrid most likely to be used in small local loads for rural area as they will be more economic then the normal grid power system. Nano grids can operate independently or be connected to the mains and most likely the internal voltage can be utilized as ac or dc. In this research paper a small scale microgrid system is proposed for smart homes called "Nanogrid". Each houses have small electrical power system from them can be shared among houses. If it uses a DC system instead of a general AC system, it can reduce energy loss of inverter because each generator doesn’t need an inverter. Furthermore, it can continue to provide a power supply when blackout occurs in the bulk power system. A model of a nanogrid is developed to simulate the operation of the centralized power control. Finally a Simulink model is presented for small houses power range 90-285 KW. Key words: Nanogrid, microgrid, cogeneration, energy storage, nanotechnology, centralized power system I. INTRODUCTION A HIGH penetration of renewables requires profound changes to the current grid system [1]. Indeed, the conventional ac grid system is a rigid architecture built around centralized fossil fuel or nuclear power plants that distribute energy over long transmission lines, substations, and distribution network before arriving at the end users. The conventional grid is increasingly becoming a bottle- neck for expanding the share of renewables. Most promising renewable sources like solar and wind are geographically distributed (distributed energy resources—DERs) and often depend on weather or environmental condition. However, dis- tributed generations (DGs) cause problems such as voltage rise and protection problem in the utility grid [2]. The vari- ability and intermittency in power output are posing a serious issue for managing the demand-response requirements for electricity networks. This is especially true as plug-in hybrid electric vehicles (EV) add a large stochastic load onto the system [3]. Large and fast energy storage units (most promis- ingly Lithium-ion batteries [4]) are needed to handle the transient mismatch of generation and consumption. To propose solutions for these challenges, a wide range of new energy grid systems, often grouped as smart grids [5], are now emerging. Though there is no standard categorization [6], we define three main approaches: 1) microgrid; 2) nanogrid; and 3) virtual power plant (VPP). Microgrids are promising solutions for integrating large amounts of micro-generation by reducing the negative impact to the utility network [7]. In general terms, microgrids can be defined as structures that combine DG units, energy storage systems (ESSs), and loads [8]. Microgrids including batteries allow to shift peak demand and flatten the consumption pat- tern. While their architecture may vary greatly depending on the type or number of building blocks as well as the application context [8]–[10], a clear distinction can be drawn between ac and dc- based microgrids. Justo et al. [8] concluded that even though ac microgrids are now predominant, the number of dc microgrids is expected to increase in the coming years as they will soon be the right candidates for future energy system. Nanogrids can be seen as smaller and technologically sim- pler microgrids, typically serving a single building or a single load. As they face less technical and regulatory barriers than their microgrid counterparts, substantial deployment is already undergoing [11]. This is why compared to microgrids, nanogrids are often seen as a bottom-up approach, well suited also for off-grid areas and with a clear preference for dc solutions [11]. Fig 1 : Microgrid and Nanogrid System The main grid consists of wide area and microgrid cover medium area and utilizes the alternative energy resources. The Nanogrids consists of devices and used its own power system such as PV solar cell and heating system. The microgrid systems are the focus of research all over the world the sharing of electronic power and heat (CHP) system. The microgrid system consists of distributed generators such as cogeneration systems and renewable energy systems (wind turbines, photovoltaic cells, fuel cell etc.). The concept of Nano-grid is that at small scale we select houses around 50-150 houses and the each house has