Substation is a vital part of power system where all electrical equipments are installed for transformation of electrical power from one circuit to another circuit without changing its frequency. Now a day due to economical as well as technological growth the power transferring system is totally automatically. Yet it is not applied to almost all places but most of the substations in India are automated. Power utilities adopt SCADA system for maintenance development and operation. It provides an application program for acquiring real time data from IED/RTU using open process control technology for substation monitoring. Now a day modified substation is installed with LAN system and Ethernet, such substation is design for task which uses communication system. Due to increasing combined distributed energy resources such as small photovoltaic plants or micro-cogeneration system grid leads to new competition to distribution system operation (DSO'S). TEC has developed a global communication standard. IEC 61850 is to facilitate substation automation. Communication security and reliability become important and it should be considered to ensure correct operation of substation automation system. Hence to make all automated we are trying really hard from our project. Since Substation is manually operated. It required lots of skill manpower for successful operation and it also leads to many human errors. Hence we need to automate the substation. Risk and reliability analysis of substation auto system are the most important and desirable design considered.
Increasing load demand combined with physical and geographical challenges in conventional power generation techniques has widened the gap between power generation and load demand. Demand based load side management, which is a method that does not affects on climate and free from pollution and also helps in improving power factor.DSM encourage to people for energy efficient equipments. In this paper we review the challenges in this area of research on demand side management to make energy efficient system by using the available raw material in Indian market. Also we studied about the load shedding and instead of going to the load shedding we turn off only heating element and remains on lighting element for effective energy saving. In this way, It can be helpful for villages and in city also in electricity saving. So by using this technique we use less electricity during peak hours and help to balance the load demand and generation. This can be achieved by applying bidirectional communication between substation and home. For this communication we use special device called smart device.
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