Mode and climatic factors effect on energy losses in transient heat modes of transmission lines

Bigun, A. Ya.; Сидоров, О. А.; Осипов, Д. С.; Girshin, S. S.; Goryunov, V. N.; Петрова, Е. В.

doi:10.1088/1742-6596/944/1/012016

Cited by 3 publications

(2 citation statements)

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“…The problems of electric energy losses reduction and improving the efficiency of electric grid complex are priority direction of the Russian Federation state policy. In [1,2,3] it is proved that the losses of electrical energy in overhead lines depend on the temperature: temperature is important factor determining the loadpower losses in overhead lines.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, not only higher harmonics [4][5][6][7], temperature, humidity [1][2][3], as well as hysteresis losses and eddy currents [6][7], the level of supply voltage and the type of current affect the efficiency of electrical networks [1][2][3][4][5][6][7] and individual electrical devices [6][7]. Losses of active power at alternating current of 50Hz frequency increase in comparison with losses at direct current due to surface effect and proximity effect [10].…”

Section: Introductionmentioning

confidence: 99%

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The authors have been researching the effect of polyharmonic currents (complex waveform current) on the characteristics of different types of radiators for a few years. These researches have shown an increase in the energy efficiency of installations with dark and light radiators and the ability to control the harmonic composition of radiation. It is important considering the need to harmonize the frequency characteristics of a radiator with the frequency response of an energy absorbing surface. The object of experimental research are flexible heating tape and installations with dark radiators and their joint operation modes when powered by complex waveform current from a common power source. The purpose of the work is the definition of characteristics of the flexible heating tape and dark infrared radiators when changing the amplitude and frequency of the supply voltage to develop recommendations for the selection of effective modes.

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Section: Introductionmentioning

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Health assessment of the electrical contact-line connections in view of the operational traction load pattern of the electric rolling stock

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Estimation of the traction energy system reliability and efficiency due to timely and immediate identification of heating sites of contact joints is the future-oriented technology for the condition oriented service and repair of the electrical equipment of energy providers. It is peculiar with the roughly alternating load of the electric current action during the day. This makes it difficult to identify the current state of the electrical connection. Thus, it becomes necessary to specify the dependence of changes in the assessment criteria of the electrical connection condition in operation.

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Another Way of Skin Effect Calculation for ACSR Conductors

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2023 Seminar on Electrical Engineering, Automation &Amp; Control Systems, Theory and Practical Applications (EEACS)

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Mode and climatic factors effect on energy losses in transient heat modes of transmission lines

Cited by 3 publications

References 1 publication

The effective modes of infrared radiators and heating systems

The effective modes of infrared radiators and heating systems

Health assessment of the electrical contact-line connections in view of the operational traction load pattern of the electric rolling stock

Another Way of Skin Effect Calculation for ACSR Conductors

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