scholarly journals Energy Auditing in Electrical Sciences Block

2019 ◽  
Vol 8 (2S11) ◽  
pp. 3380-3385

The energy consumption has seen a vast increment because of which the use of non-sustainable sources has increased drastically. Due to this steep increase, the need of energy auditing and conservation has also increased. Growing demand for energy directly increases emission of effluents, causing environmental catastrophe. To tackle this problem a collaboration between energy audit and conservation conservation of energy is required. Energy audit is a procedural approach which is used for a clear description of the energy flow and energy management. This collective data helps in calculating the efficiency and minimizing operational cost. The aim of this project is to carry out the energy audit for the Electrical Sciences Block (ESB) of SRM INSTITUTE OF SCIENCE AND TECHNOLOGY. The main purpose of the following literature is to give a clear picture of the energy details of the ESB block.

2018 ◽  
Vol 5 (2) ◽  
pp. 292
Author(s):  
I Wayan Alit Sutresna ◽  
Antonius Ibi Weking ◽  
I Wayan Rinas

PT. Sejahtera Indobali Trada is a car maintenance and sales service company. Excellent customer satisfaction is prioritized by this company. The best service must be done by using facilities effectively. For this reason, energy management is needed. Energy auditing is the first step in energy management. Energy audit to find out the use of electricity and opportunities. Energy audit includes the contents of energy data with available data and calculating Energy Consumption Intensity (IKE) based on the data collected. Previously, PT. Sejahtera Indobali Trada has never conducted an energy audit. This research method is done by calculating and comparing electrical energy in energy and energy systems. The results were obtained at 6.82% with the IKE difference between pre-audit and post-audit amounting to 0.59 kWh / m2 / month.


2020 ◽  
Vol 3 (8) ◽  
pp. 21-27
Author(s):  
S. V. PROKOPCHINA ◽  

The article deals with methodological and practical issues of building Bayesian intelligent networks (BIS) for digitalization of urban economy based on the principles of the “Smart city” concept. The BIS complex as a whole corresponds to the architecture of urban household management complexes for construction and industrial energy purposes for solving the problems of internal energy audit, accounting for energy consumption, ensuring energy security of enterprises and territories, in Addition, the system can become the basis for the implementation of a training center for energy management and housing.


Energies ◽  
2019 ◽  
Vol 12 (23) ◽  
pp. 4539 ◽  
Author(s):  
Kumar ◽  
Brar ◽  
Singh ◽  
Nikolovski ◽  
Baghaee ◽  
...  

With the ever-growing power demand, the energy efficiency in commercial and residential buildings is a matter of great concern. Also, strategic energy auditing (SEA) and demand-side management (DSM) are cost-effective means to identify the requirements of power components and their operation in the energy management system. In a commercial or residential building, the major components are light sources and heating, ventilation, and air conditioning. The number of these components to be installed depends upon the technical and environmental standards. In this scenario, energy auditing (EA) allows identifying the methods, scope, and time for energy management, and it helps the costumers to manage their energy consumption wisely to reduce electricity bills. In the literature, most of the traditional strategies employed specific system techniques and algorithms, whereas, in recent years, load shifting-based DSM techniques were used under different operating scenarios. Considering these facts, the energy data in a year were collected under three different seasonal changes, i.e., severe cold, moderate, and severe heat for the variation in load demand under different environmental conditions. In this work, the energy data under three conditions were averaged, and the DSM schemes were developed for the operation of power components before energy auditing and after energy auditing. Moreover, the performance of the proposed DSM techniques was compared with the practical results in both scenarios, and, from the results, it was observed that the energy consumption reduced significantly in the proposed DSM approach.


2017 ◽  
Vol 5 (4RACEEE) ◽  
pp. 161-165
Author(s):  
Darshan D.A. ◽  
Sumith L.V. ◽  
K. Sowjanya Reddy ◽  
K. Rasagnya ◽  
Trupti V. N.

This paper deals with the study of energy flow in a 220/ 66 kV substation. This study emphasizes on energy conservation by reducing power losses. Saving energy is the primary and overwhelming motivating factor for making energy improvements. Energy conservation can increase the environmental quality and higher the savings. Energy conservation lowers the energy costs by preventing future resource depletion (renewable energy source). Utilizing the electric power in the proper manner without wastage is the most important thing to consider. The main objectives are accumulating data at various energy points, identifying energy losses and critical junctions, enabling energy conservation and cost savings. Planning the use of electrical power in the most judicious way such that the usage as well as its wastage is minimized. For this purpose a energy management technique called energy audit is adopted. Energy auditing is required to determine the energy flows through various electrical installations such as feeders, transformers, substations in an electrical network system.


Author(s):  
G. Joga Rao ◽  
K. Pavan Srihari

The economic development of a country is often closely linked to its consumption of energy. The government has taken new steps for the development of renewable energy sources and less consideration in conservation of electrical energy in the society. According to the current scenario the demand of energy has increased and became a routine process in our lifestyle. Why electrical auditing and management is essential? Energy audit is the survey of wastage power in different areas like domestic houses, commercial buildings and industries etc. For getting solution to save electrical energy, energy auditing is best way. So we found in India the demand of electrical power rises at the rate of 9-10 % per annum while the generation of electrical power rises at the rate of 5-6 % per annum, ultimately the gap between demand and generation of electrical power is widening at the rate of 3-4 % per annum. Electrical energy auditing and management program can have an originating within one division of saving, motivating people in all forms to undergo conservation activities. In this project we had done the Energy audit in residential house.


Author(s):  
Prof. Sunil R. Kewate ◽  
Prof. Dr. Vivek R. Gandhewar ◽  
Kartik D. Ukhalkar

Energy audit consists of survey, analysis and inspection of the energy flow in the system. Its aim is to find the scope of energy conservation by implementing energy saving procedures without affecting the outputs of the system. One such system which can conserve energy is MSRTC bus station which requires a lot of energy consumption for its everyday activities. Energy audit plays a significant role in finding opportunities to save energy and reduce electricity bills. Energy audit recommends ways to save energy consumption by some changes in the system with emphasis on that there are no negative output by the changes made. The Energy Audit would provide a positive orientation to the energy cost reduction along with preventive maintenance and quality control programs which are vital for production and utility activities.


Energies ◽  
2019 ◽  
Vol 12 (15) ◽  
pp. 3006 ◽  
Author(s):  
Hwang ◽  
Cho ◽  
Moon

Growths in population, increasing demand for health care services and comfort levels, together with patients on the rise in time spent inside hospitals, assure the upward trend that energy demand will continue in the future. Since the hospital buildings operate 24 hours, 365 days a year for the treatment and restoration of patients, they are approximately 2–3 times more energy-intensive than normal buildings. For this reason, energy efficiency in hospitals is one of the prime objectives for energy policy at regional, national and international levels. This study aims to find how meaningful energy performance, reflecting good energy management and energy conservation measures (ECMs), can be operated for hospital buildings, a category encompassing complex buildings with different systems and large gaps between them. Energy audit allows us to obtain knowledge from the healthcare facility, in order to define and tune data driven analysis rules. The use of benchmarking in the energy audit of healthcare facilities enables immediate comparison between hospitals. Data driven energy analysis also allows ascertaining their expected energy consumption and estimating the possible savings margin by using the building energy flow chart. In the 2015–2017 periods, bench-marking of four public hospitals in Seoul were audited for the energy consumption related to weather conditions, total area, bed numbers, employee numbers, and analyzed for building energy flow by zones, energy sources, systems and equipment. This is a practice-based learning in a hospital project. The results reveal that the average annual energy consumption of a hospital under normal conditions, and energy efficiency factors are divided into energy baselines, energy consumption goals for energy saving and energy usage trends for setting ECMs, respectively. The indicator dependent on the area of inpatients (number of beds) proved to be the most suitable as a reference to quantify the energy consumption of a hospital.


Author(s):  
Ankish Aman ◽  
Bharath Bhushan ◽  
Om Prakash

Energy audit focuses on equipment energy consumption such as lighting, air-conditioning system, elevators, and other devices operating on electricity. Data of the energy consumption recorded are used to identify and rectify by presenting detailed energy audit. Temperature, humidity, and CO2 emission of the building should be measured to conduct the investigation on detail energy analysis. Building utilizes major energy usage accounting to more than 30% overall energy usage. The commissioning and audit process results in the low-energy consumption and low equipment’s cost resulting in higher investment returns. This paper presents a detailed energy audit through a case study on small commercial hospital building located in Ranchi. The pre audit phase suggests that ceiling fans and fluorescent tube lights consume more than 50% of the total energy in the hospital. The energy auditing of the building resulting in annual energy savings of 7697.32 KW i.e. 35 % annual energy saving if recommended suggestions are followed. The recommendation of low-energy consuming equipment’s have payback period less than 6 years leading to higher return rate.


2019 ◽  
Vol 17 (1) ◽  
pp. 42
Author(s):  
Jamal Jamal ◽  
Marlina Marlina ◽  
Floransya Dwi

Basic electricity tariffs that continue to increase force various parties to race to carry out savings programs, the right thing to apply the savings program is energy management and one of them is an energy audit. The energy audit carried out in this study was an energy audit at PT. Makassar EPFM. The energy audit starts with the collection and processing of energy consumption data at the factory, calculates the Energy Consumption Intensity (IKE). From the results of the calculation of the intensity of energy consumption it is known that the level of efficiency in the use of electrical energy in the building. The efficiency of electricity consumption at PT. EPFM can be improved


2021 ◽  
Vol 13 (14) ◽  
pp. 7865
Author(s):  
Mohammed Mahedi Hasan ◽  
Nikos Avramis ◽  
Mikaela Ranta ◽  
Andoni Saez-de-Ibarra ◽  
Mohamed El Baghdadi ◽  
...  

The paper presents use case simulations of fleets of electric buses in two cities in Europe, one with a warm Mediterranean climate and the other with a Northern European (cool temperate) climate, to compare the different climatic effects of the thermal management strategy and charging management strategy. Two bus routes are selected in each city, and the effects of their speed, elevation, and passenger profiles on the energy and thermal management strategy of vehicles are evaluated. A multi-objective optimization technique, the improved Simple Optimization technique, and a “brute-force” Monte Carlo technique were employed to determine the optimal number of chargers and charging power to minimize the total cost of operation of the fleet and the impact on the grid, while ensuring that all the buses in the fleet are able to realize their trips throughout the day and keeping the battery SoC within the constraints designated by the manufacturer. A mix of four different types of buses with different battery capacities and electric motor specifications constitute the bus fleet, and the effects that they have on charging priority are evaluated. Finally, different energy management strategies, including economy (ECO) features, such as ECO-comfort, ECO-driving, and ECO-charging, and their effects on the overall optimization are investigated. The single bus results indicate that 12 m buses have a significant battery capacity, allowing for multiple trips within their designated routes, while 18 m buses only have the battery capacity to allow for one or two trips. The fleet results for Barcelona city indicate an energy requirement of 4.42 GWh per year for a fleet of 36 buses, while for Gothenburg, the energy requirement is 5 GWh per year for a fleet of 20 buses. The higher energy requirement in Gothenburg can be attributed to the higher average velocities of the bus routes in Gothenburg, compared to those of the bus routes in Barcelona city. However, applying ECO-features can reduce the energy consumption by 15% in Barcelona city and by 40% in Gothenburg. The significant reduction in Gothenburg is due to the more effective application of the ECO-driving and ECO-charging strategies. The application of ECO-charging also reduces the average grid load by more than 10%, while shifting the charging towards non-peak hours. Finally, the optimization process results in a reduction of the total fleet energy consumption of up to 30% in Barcelona city, while in Gothenburg, the total cost of ownership of the fleet is reduced by 9%.


Sign in / Sign up

Export Citation Format

Share Document