Energy Efficiency and Electricity Reliability

2020 ◽  
pp. 1-78 ◽  
Author(s):  
Eliana Carranza ◽  
Robyn Meeks
Keyword(s):  
Energy Efficiency ◽  
Electricity Consumption ◽  
Kyrgyz Republic ◽  
Electrical Systems ◽  
Fluorescent Lamps ◽  
Compact Fluorescent Lamps ◽  
Reduce Electricity Consumption ◽  
Electricity Reliability ◽  
The Impact

Overloaded electrical systems are a major source of unreliable power. Using a randomized saturation design, we estimate the impact of compact fluorescent lamps (CFLs) on electricity reliability and household electricity consumption in the Kyrgyz Republic. Greater saturation of CFLs within a transformer leads to fewer outages, a technological externality benefitting all households, regardless of individual adoption. Spillovers in CFL adoption further reduce electricity consumption, contributing to increased reliability within a transformer. CFLs' impacts on household electricity consumption vary according to the effects on reliability. Receiving CFLs significantly reduces electricity consumption, but increased reliability permits greater consumption of electricity services.

scholarly journals Impact of Passive Energy Efficiency Measures on Cooling Energy Demand in an Architectural Campus Building in Karachi, Pakistan

2021 ◽  
Vol 13 (13) ◽  
pp. 7251
Author(s):  
Mushk Bughio ◽  
Muhammad Shoaib Khan ◽  
Waqas Ahmed Mahar ◽  
Thorsten Schuetze
Keyword(s):  
Energy Efficiency ◽  
Energy Demand ◽  
Electricity Consumption ◽  
Information Modeling ◽  
Base Case ◽  
Energy Efficiency Measures ◽  
Efficiency Measures ◽  
The Impact ◽  
Cooling Energy Demand ◽  
Campus Building

Electric appliances for cooling and lighting are responsible for most of the increase in electricity consumption in Karachi, Pakistan. This study aims to investigate the impact of passive energy efficiency measures (PEEMs) on the potential reduction of indoor temperature and cooling energy demand of an architectural campus building (ACB) in Karachi, Pakistan. PEEMs focus on the building envelope’s design and construction, which is a key factor of influence on a building’s cooling energy demand. The existing architectural campus building was modeled using the building information modeling (BIM) software Autodesk Revit. Data related to the electricity consumption for cooling, building masses, occupancy conditions, utility bills, energy use intensity, as well as space types, were collected and analyzed to develop a virtual ACB model. The utility bill data were used to calibrate the DesignBuilder and EnergyPlus base case models of the existing ACB. The cooling energy demand was compared with different alternative building envelope compositions applied as PEEMs in the renovation of the existing exemplary ACB. Finally, cooling energy demand reduction potentials and the related potential electricity demand savings were determined. The quantification of the cooling energy demand facilitates the definition of the building’s electricity consumption benchmarks for cooling with specific technologies.

Reductions in electricity consumption and power demand in case of the mass use of compact fluorescent lamps

Energy ◽  
2009 ◽  
Vol 34 (9) ◽  
pp. 1355-1363 ◽  
Author(s):  
J. Trifunovic ◽  
J. Mikulovic ◽  
Z. Djurisic ◽  
M. Djuric ◽  
M. Kostic
Keyword(s):  
Electricity Consumption ◽  
Power Demand ◽  
Fluorescent Lamps ◽  
Compact Fluorescent Lamps

Modeling the impact of energy efficiency in the electricity consumption of the Brazilian tertiary sector

2017 ◽  
Author(s):  
Bruno Q. Bastos ◽  
Reinaldo C. Souza ◽  
Rodrigo F. Calili ◽  
Fernando L. Cyrino Oliveira ◽  
Giacomo Catenazzi ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Electricity Consumption ◽  
Tertiary Sector ◽  
The Impact

scholarly journals Understanding Residential Electricity Consumption Considering Energy Efficiency Policies and The Impact On the Electricity System

2016 ◽  
Vol 4 (2) ◽  
Author(s):  
Meryem Tumbuz ◽  
Hatice Muğlkoç
Keyword(s):  
Energy Efficiency ◽  
Behavioral Change ◽  
Electricity Consumption ◽  
Allocation Problem ◽  
General View ◽  
Electricity Use ◽  
Generation Cost ◽  
Residential Electricity ◽  
Energy Efficiency Policies ◽  
The Impact

Electricity consumption increases substantially over the years where residential use significantly contributes to the overall consumption. The growth in the population and variety of home appliances together with increasing comfort levels of the people results in higher levels of residential electricity use. In fact, nearly one fourth of Turkey's total electricity consumption is due to the domestic use. To achieve global sustainability targets and reduce the overall electricity use, focusing on the domestic consumption is crucial. In this research, the energy consumptions patterns of households are determined to identify the potential electricity savings existing in the residential sector. Moreover, specific policy recommendations, which can promote the behavioral change, are driven by measuring the responsiveness of people to different measures and the combinations of these measures such as information, feedback, rewards, and social influences. A survey was conducted to determine the patterns and the responsiveness of the residential customers. The results obtained from the survey are used to depict a general view of Turkish households towards electricity consumption behaviors and their energy efficiency attitudes. Responses indicate there should be more regulations and improvements in energy policy. An electricity allocation problem is solved in order to see possible impacts of behavioral change measures on the network. Scenarios are defined for each policy and allocation problem is solved to see the possible generation cost reduction. Also, gas emissions for each scenario is recorded to understand the possible effects of policies on the environment. Results show that behavioral change studies seem to be well worth to study. In order to reach residential efficiency, possible policy alternatives are suggested for Turkish households.

scholarly journals COMPARATIVE ANALYSIS OF COMPACT FLUORESCENT LAMPS VERSUS LED LAMPS: AN ECONOMY FACTOR

2020 ◽  
Vol 8 (11) ◽  
pp. 198-212
Author(s):  
Diego Da Silva de Souza ◽  
Paulo De Souza Silva ◽  
David Barbosa de Alencar
Keyword(s):  
Energy Efficiency ◽  
Comparative Analysis ◽  
Energy Demand ◽  
Large Scale ◽  
Residential Buildings ◽  
Economic Feasibility ◽  
Economic Viability ◽  
Fluorescent Lamps ◽  
Compact Fluorescent Lamps ◽  
Industrial Buildings

The general objective of this article was to promote through bibliographic studies the two types of lamps, in addition to the comparative analysis of compact fluorescent lamps versus LED lamps: an economy factor. The specific objectives were: - to explain the conceptual precepts on: lighting engineering, definitions, characteristics, invention, operation, defect, quality and the environments used and the NBRs regulations; - address the economic impact generated by the choice of LED lamps and compact fluorescent lamps; - emphasize on an economic feasibility study on the use of LED lamps and compact fluorescent lamps. The justification of the study is related, in the promotion regarding the use of LED lamps and compact fluorescents, in the factor that generates savings. Since the areas related to artificial lighting are responsible for a significant portion of energy demand, both on a large scale - such as lighting for public roads or industrial buildings - and on smaller scales - in commercial and residential buildings. Therefore, its promotion is crucial in the context of economic viability. The lamps provide the luminous energy, through which a better luminous efficiency is obtained. Currently, there are several types of lamps available, different in several aspects: luminous intensity, reproduction colors, energy efficiency, physical composition, method for emitting light, specific purposes, prices, among others. It is worth mentioning that the lamps differ from each other not only by the different luminous fluxes that they radiate, but also by the different powers they consume. In order to compare them, it is necessary to know how many lumens are generated per absorbed watt. This greatness is called energy efficiency. Thus, the proposal of a study was evidenced, in order to promote these luminous resources, in addition to emphasizing their economic viability.

Crises to Crises: A 30-Year Retrospective on the Electric Utility Industry and Energy Efficient Lighting Technology

2002 ◽  
Author(s):  
Kenneth J. Andersen
Keyword(s):  
Energy Efficiency ◽  
Electric Utilities ◽  
Electrical Energy ◽  
Electric Utility ◽  
Wholesale Market ◽  
Lighting Technology ◽  
Fluorescent Lamps ◽  
Compact Fluorescent Lamps ◽  
Oil Embargo ◽  
Fluorescent Lighting

This paper reviews the change in energy efficiency of lighting technology during the 30-year period between the energy crises of the 1970’s oil embargo and last year’s de-regulated wholesale market, electricity price spikes. Lighting power requirements have been cut in half for new commercial buildings, dropping from 3 to 1.5 watts or less per square foot of conditioned space. Fluorescent lighting technology has changed from four-foot T-12 lamps requiring 40 watts, to high-lumen, 32-watt T-8 lamps. Copper intensive and noisy magnetic ballasts have been replaced with lightweight, high frequency electronic ballasts lowering power from 10 to one watt per fixture. Today this trend continues with the movement away from Edison’s incandescent lamp to compact fluorescent lamps (CFL) that save 70% of the electrical energy. In response to the wholesale electricity prices spikes, the Northwest Energy Efficiency Alliance partnered with regional electric utilities and retail stores to offer CFL discount coupons. As a result, CFL sales rose from about 500,000 in 2000 to over 8 million in 2001. This is one more example of how energy efficiency programs sponsored by the nation’s electric utilities have driven both technology and the market to change.

Evaluation of the Impact of LED and Compact Fluorescent Lamps on the PLC Transmission with X-10 Technology

2019 ◽  
Author(s):  
A. S. Delfino ◽  
R. P. Brandao ◽  
T. S. Bumpus ◽  
M. Z. Fortes ◽  
H. O. Henriques ◽  
...  
Keyword(s):  
Fluorescent Lamps ◽  
Compact Fluorescent Lamps ◽  
The Impact

scholarly journals The impact of higher voltage and current harmonics on the operation of electrical systems

2019 ◽  
Vol 124 ◽  
pp. 05067 ◽  
Author(s):  
A.N. Egorov ◽  
Ya.S. Kharitonov ◽  
V.M. Khubieva ◽  
I.A. Yakushev ◽  
N.V. Golubtsov ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Electric Drive ◽  
Electromagnetic Compatibility ◽  
The Other ◽  
Variable Frequency ◽  
Maintenance Costs ◽  
Current Harmonics ◽  
Electrical Systems ◽  
Drive Systems ◽  
The Impact

The article deals with the assessment of impact of higher harmonics on the operation of variablefrequency electric drive systems used in processing units at mining enterprises. Beyond that, energy efficiency and operation experience of variable-frequency electric drive usage at mining enterprises were studied. The advantages and drawbacks of implementation of variable-frequency electric drive systems were found. They include energy saving and reducing maintenance costs for processing units on one hand, as well as losses due to their incorrect selection and electromagnetic compatibility distortion on the other hand.

scholarly journals Efficiency Analysis of Fractional KiloWatt Reluctance Motors with Various Frame Sizes, Taking into Account the Impact of the Punching Process

Energies ◽  
2020 ◽  
Vol 13 (2) ◽  
pp. 357 ◽  
Author(s):  
Zbigniew Gmyrek ◽  
Krzysztof Smółka
Keyword(s):  
Electricity Consumption ◽  
Operational Parameters ◽  
Stator Windings ◽  
Damaged Material ◽  
Material Part ◽  
Electrical Devices ◽  
Reduce Electricity Consumption ◽  
Negative Effect ◽  
Punching Process ◽  
The Impact

The need to reduce electricity consumption by electrical devices, including electric motors, is the reason for the development of new designs. Designers strive to improve operational parameters, including efficiency, using, for example, new types of magnetic materials, new types of stator windings, etc. Currently, in mass production, motor cores are made of punched laminations—punching causes damage of core parts. For motors of relatively large geometrical sizes, this effect is ignored during design. For motors having small dimensions, this negative effect results in a reduction in efficiency, which is mostly small for this type of motor. In this paper, the authors propose a new rapid algorithm based on simple measurements to determine the material characteristics of the damaged material part. Then, using them in the FEM models, they determine the efficiency of motors with various powers and frame sizes. On this basis, the conclusions are formulated, they may be helpful for motor designers.

Sign in / Sign up

Export Citation Format

Share Document