New Trends in Energy Efficient Electrical Machines

Gavrilǎ, Horia; Paltanea, Veronica Manescu; Păltânea, Gheorghe; Scutaru, Gheorghe; Peter, Ioan

doi:10.1016/j.proeng.2017.02.435

Cited by 21 publications

(16 citation statements)

References 3 publications

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“…The wind power industry presents a trend of rapid growth and the technology has been mature in all parts of the world. It is the main force of the renewable energy industry, and its low cost can attract more valid financing [20]. In addition, the capital scale efficiency of marine energy and geothermal energy industry was relatively high, indicating that appropriate expansion of industrial scale can make financing efficiency more effective.…”

Section: Discussionmentioning

confidence: 99%

Research on the Renewable Energy Industry Financing Efficiency Assessment and Mode Selection

Lyu

Siekelová

2018

Sustainability

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Abstract:In recent years, environmental issues are attracting widespread attention by various countries around the world. In this context, the renewable energy industry has become a stimulus point for economic development and has great potential for development. Renewable energy industry financing is difficult due to its characteristics of high risk and long-term investment returns, and relying on existing financing channels make it present a glut of excess capacity. It is key to realize resource optimal allocation, solve overcapacity phenomenon and select the valid financing mode. This paper used Bloomberg New Energy Finance (BNEF) data and the data envelopment analysis (DEA) method to analyze the financing efficiency different parts of the global renewable energy industry and different ways of financing. It could be found that although the financing efficiency showed a trend of increasing year by year, the financing efficiency of each industry presented generally weak DEA efficiency, the comprehensive financing efficiency of wind power industry was higher. The article also found that the financing efficiency of project financing and Research and Development (R&D) were relatively high, and the equity market and venture capital and private equity were less efficient. The results of this paper play an important role in the overall financing status cognizance of the renewable energy industry and give suggestions about valid financing mode choice.

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Section: Discussionmentioning

confidence: 99%

Research on the Renewable Energy Industry Financing Efficiency Assessment and Mode Selection

Lyu

Siekelová

2018

Sustainability

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“…where μ 0 is the permeability of vacuum, N p is the number of the turns of pickup coil, S p is the cross-section area of the pickup coil, S S is the cross-section area of the sample, Φ is the magnetic flux and M is the magnetisation. The voltage measured at the non-common ends of the pickup coils in mutual opposition is equal to the first term in the expression (2). If no sample is placed inside the pickup coil in mutual opposition, the voltage induced in that pickup coil is equal to the second term in the expression (2).…”

Section: Fig 4 Hall Sensor and Its Position Inside Plastic Holdermentioning

confidence: 99%

“…The voltage measured at the non-common ends of the pickup coils in mutual opposition is equal to the first term in the expression (2). If no sample is placed inside the pickup coil in mutual opposition, the voltage induced in that pickup coil is equal to the second term in the expression (2). If no sample is placed inside pickup coils, induced voltages are equal and the resulting voltage is equal to zero or very close to zero.…”

Section: Fig 4 Hall Sensor and Its Position Inside Plastic Holdermentioning

confidence: 99%

“…The figure presents also a table with calculated slopes, standard errors and adjusted Rsquares. For a given dataset (x i , y i ), i=1, 2, …, n, the standard deviation (error) ε and the adjusted R-square 2 R of linear model y=a+bx can be calculated as [10]:…”

Section: Calibration Of Hall Sensormentioning

confidence: 99%

“…Iron loss in induction motors can reach up to 20% of the total losses [2]. Large efforts were made to improve production of the electrical steel and to reduce losses.…”

Section: Introductionmentioning

confidence: 99%

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Calibration of ac induction magnetometer

2018

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The aim of this paper is to describe a procedure and experimental setup for calibration of AC induction magnetometer. The paper presents an overview of the previous research and results of measurement of magnetic flux density inside largediameter multilayer solenoid. This solenoid is magnetising coil of the magnetometer. The paper also describes a system of five smaller coils of the magnetometer which are placed inside the large solenoid. Three small coils are pickup coils, accompanied with two compensation coils, of which one is an empty coil for magnetic field measurement. The experimental results of calibration of this coil system have been presented. A proper discussion of all the results presented has been also given in the paper.

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