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Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Issue Info: 
  • Year: 

    2017
  • Volume: 

    3
  • Issue: 

    8
  • Pages: 

    7-32
Measures: 
  • Citations: 

    0
  • Views: 

    805
  • Downloads: 

    0
Keywords: 
Abstract: 

The most important property of the Iranian Electricity Market is the pay as bid method for the winning power plants. However, in many developed countries' electricity markets, uniform payment method is used. In this paper, we compare the uniform payment method and pay as bid regarding price and cost price of electricity in the Iranian electricity market using a Q-learning model in three periods of low, normal and peak loads. Due to insufficient and in many cases, inaccessible data, this study is mainly concentrated on power plants located in Khorasan Province. According to the results, the price of electricity in the pay as bid method is lower than the uniform payment method. However, the cost of electricity in a uniform layment is less than the pay as bid method. In other words, in a uniform payment, power plants with higher efficiency win the bids resulting into lower fuel consumption and less greenhouse gase emissions.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 805

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Issue Info: 
  • Year: 

    2017
  • Volume: 

    3
  • Issue: 

    8
  • Pages: 

    33-67
Measures: 
  • Citations: 

    0
  • Views: 

    849
  • Downloads: 

    0
Abstract: 

In this study, the technical and environmental efficiency of 16 selected thermal power plants of Iran during 2011-2015 were evaluated using Data Envelope Analysis (DEA) approach. The inputs of this model include labor, installed capacity and fuel consumption, and its outputs are electricity generation, CO2 and SO2 emissions. The results show that the average technical efficiency of the sample power plants range from 84.7% to 88.4%. The environmental efficiency of power plants was between 85.7% and 90.1 %. Environmental productivity of power plants based on Malmquist Index has fluctuated during the past 5 years and has finally increased.To increase the efficiency of power plants, it is recommended that the scale of power plants to be increased, gas turbine and combined cycle power plants to get higher shares, natural gas to be the dominant primary energy used as fuel, and the power plant technologies to be modernized and standardized.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 849

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Issue Info: 
  • Year: 

    2017
  • Volume: 

    3
  • Issue: 

    8
  • Pages: 

    69-97
Measures: 
  • Citations: 

    0
  • Views: 

    1146
  • Downloads: 

    0
Abstract: 

Legislative policy is an important element in the privatization programe of electricity distribution companies. After privatization, distribution companies are ruled by special regulations, within the framework of the laws governing the private sector, secured provision of ensure public services in the electric power distribution is necessary. According to the Law of Implementation of the General Policies of Article 44 of the Constitution, all economic activities are divided into three categories, with a major role for the private sector. Distribution companies, due to their special nature and tasks and missions, besides general rules governing the private sector, require a special framework of Legislative policy including bankruptcy and liquidation, action on unexpected events, supportive tariff structures for needy families.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1146

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Issue Info: 
  • Year: 

    2017
  • Volume: 

    3
  • Issue: 

    8
  • Pages: 

    99-118
Measures: 
  • Citations: 

    0
  • Views: 

    858
  • Downloads: 

    0
Abstract: 

One of the major problems in the development of renewable energy technologies is their high investment costs. However, technology development has an impact on technology prices, thus there is a mutual relationship between price and technology development. Government, buyer and owner of the technology are the three main players in renewable energy technology development. The development of these technologies is greatly affected by the behavior of the players.In this paper, pricing of anaerobic digester as a renewable energy technology is modeled using system dynamics. A system dynamic model is proposed to model the relationship between the interests of different players, price and technology.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 858

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2017
  • Volume: 

    3
  • Issue: 

    8
  • Pages: 

    119-145
Measures: 
  • Citations: 

    0
  • Views: 

    1927
  • Downloads: 

    0
Abstract: 

Electricity Distribution Companies are supposed to lower undelivered electricity and supply electricity reliably. In this paper, we analyse the factors affecting undelivered electricity using system dynamics approach, taking into consideration the case of North-Kerman Electricity Distribution Company. According to the results, undelivered electricity could have been decreased from 77.8 MWh to 55.1 MWh in 2014 if necessary corrective policies would have been implemented. Network standardization, staff training and instructing rules and protocols would reduce unplanned outages. Planned outages should be schedulled for low- load seasons and hours and frequent outages in a certain area should be avoided.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1927

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2017
  • Volume: 

    3
  • Issue: 

    8
  • Pages: 

    147-173
Measures: 
  • Citations: 

    0
  • Views: 

    2581
  • Downloads: 

    0
Abstract: 

In recent decades, the environmental crisis in the world has been widely considered leading to the concern of human society. Due to the continuous reduction of non-renewable energy and the prevalance of sustainable energy resources (sun, land, wind and…); the architects having serious foot prints in the environment, should think about innovative solutions to reduce the energy consumption in buildings. The soil architecture is the most original and the oldest tradition of Iranian architecture leading to sustainable and green architecture because of certain characteristics of soil such as the high thermal capacity and significant heat latency. This research, baced on visual observations, library studies and experimental models investigates the climatical specifications of Shahroud neighborhood and propeses the architectural design of on- road recreational buildings, taking into consideration their energy consumption. The results indicate a meaningful energy saving induced by earth sheltered architecture model.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 2581

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Issue Info: 
  • Year: 

    2017
  • Volume: 

    3
  • Issue: 

    8
  • Pages: 

    175-198
Measures: 
  • Citations: 

    0
  • Views: 

    1703
  • Downloads: 

    0
Abstract: 

The purpose of this paper is to identify strategies and rank the corresponding risks in the operations, department of The Great Tehran Electricity Distribution Company.The paper is based on a survey of managers and senior experts of Operations, Department. Using SWOT analysis especially internal-external matrix the best strategies have been identified and their corresponding risks have been ranked using ANP method. The results indicate that the best strategies include full of electrification, standardization of processes and procedures, managerial and organizational development and read-time operations. The most important risks include low access to up - to - date technologies, measurement errors and economic instability.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1703

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
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