Essay Example on The possible energy-saving options in an allotted time Frame









A detailed information about the energy consumption patterns and wasted energy in the facility was obtained from this energy audit With the help this data produced many options available for energy conservation and cost optimization was achieved II ENERGY MANAGEMENT SYSTEM Energy Management System EMS is a system which makes use of computer assisted tools software for monitoring controlling and optimizing the performance of the generation transmission and load system The computer technology used is also known as EMS SCADA EMS mainly improves the efficient use of electricity contributes towards conservation of energy resources and indirectly reduces the emission of greenhouse gases 14 Demand side load management with the help of digital information communication systems and smart meters results in optimization of Energy consumed Energy Management System subsists of monitoring measurement load forecasting planning implementing and verification of electrical energy demand which are intended for consumers to be aware of the electricity usage and dynamic pricing is achieved 

The energy management system will also include the capability of monitoring theft circuits in each room to ensure that appliances such as televisions aren t disconnected 9 Devices such as fans and lights are subjected to continuous load operations which results in drastic shortening of efficiency The energy management system should be capable of monitoring and be controlling these devices in aggregation with cooling appliances Air conditioners often operate at reduced efficiency due to ice build ups which inhibit their heat transfer capability The capability of periodically cycling air conditioners to prevent reductions in efficiency due to ice build ups would be a desirable capability of the energy management system Energy costs are higher during peak load periods than normal load periods In order to exuviate the load during peak load periods a load stabilizing technique is incorporated into the system which limits the overall energy demand This model ensures that the available energy is shared among all the devices based on their priority especially during the peak load situation The presented model in this paper can be erected via wireline communication and also wireless communication Wireline communication requires various specially designed cables for interconnecting the smart meters plugs and various other monitoring devices 16

But Wireless communication model is cost effective and requires no cables Load forecast weather forecast load measurements and indoor temperature measurements are also taken into account for efficient optimization 5 III CALCULATION USED IN BILLING OF ENERGY CONSUMED The power charges in common areas are automatically calculated and distributed between the consumers based on per floor area The data entry consists of No of slabs Slab rates Fixed charges miscellaneous charges Tax percentage Special instructions etc Energy Meters are used for recording the power consumption 4 The consumption of Electricity is recorded in terms of Kilowatt Hour also called as units One Kilowatt Hour or one unit is equivalent to running an appliance of 1 Kilowatt or 1000 Watts for 1 hour Also 1 KWhr is considered as 1 unit Consumed while billing of the energy consumed The units consumed are calculated by observing the readings and then they are adapted to a common slab based tariff structure to come up with energy or electricity charges 12 The tariff structures for domestic consumers are designed in such a way that per unit charge is more if your consumption is high 11 So the power charges increases significantly if you consume more electricity For example the tariff method used in Tamilnadu is shown in the Fig 1

Units Tariff Charges From To Cost Fixed Subsidy 100 0 150 1 100 1 50 200 20 150 1 200 1 50 500 30 150 1 100 1 50 101 200 2 00 201 500 3 00 500 50 150 1 100 1 50 101 200 3 50 201 500 4 60 500 6 60 Fig 1 For instance if we have consumed 600 units in a month then our electricity bill will be computed as For first 100 units at 1 50 150 For next 200 units at 3 00 600 For next 200 units at 4 60 920 And final 100 units at 6 60 660 From the above example it can be clearly depicted that if you consume more electricity then the charges also increases correspondingly based on a fixed tariff The main intention behind this tariff framework is to propel people to consume less electricity Every state EB has various levels of consumers based upon their business requirements and also upon their consumption They can be broadly classified into two groups namely High tension HT and Low Tension HT So if we have to list down following categories will be available in most states 11 Domestic LT considered for domestic individual consumers Commercial LT considered for small shops and offices Also for hotels guest houses theaters etc Industrial LT considered for small scale manufacturing units and also apartments Domestic HT Bulk supply for residential colonies townships

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