Advantages, Benefits, and Effectiveness Resulting from the Application of the Dynamic Management of Transmission Line Capacities

Author(s):  
Piotr Kacejko Michal Wydra ◽  
Wieslaw Nowak Waldemar Szpyra
2014 ◽  
Vol 8 (1) ◽  
pp. 56-63 ◽  
Author(s):  
Tao Yi ◽  
Shanshan Cui ◽  
Ke Xu

The transmission line project cost index, which reflects price changes of transmission line project components affecting project cost, is an integrated indicator. Based on the constitution of the transmission line project cost index, 324 transmission line project cost index during 2002 and 2010 were selected, in order to describe variation tendency of the transmission line project cost index in recent years. The results of Markov chains as a proper model were created for forecasting the transmission line project cost index. The primary contribution of this research is the creation of Markov chain forecasting model that reflects the variation of transmission line project cost index more objective and quickly. It is shown that the method applied to the overall cost evaluation and analysis of factors which influence cost in the estimating stage. It is expected that this work will contribute to the dynamic management of the transmission line project cost index.


2020 ◽  
Vol 92 (2) ◽  
pp. 20502
Author(s):  
Behrokh Beiranvand ◽  
Alexander S. Sobolev ◽  
Anton V. Kudryashov

We present a new concept of the thermoelectric structure that generates microwave and terahertz signals when illuminated by femtosecond optical pulses. The structure consists of a series array of capacitively coupled thermocouples. The array acts as a hybrid type microwave transmission line with anomalous dispersion and phase velocity higher than the velocity of light. This allows for adding up the responces from all the thermocouples in phase. The array is easily integrable with microstrip transmission lines. Dispersion curves obtained from both the lumped network scheme and numerical simulations are presented. The connection of the thermocouples is a composite right/left-handed transmission line, which can receive terahertz radiation from the transmission line ports. The radiation of the photon to the surface of the thermocouple structure causes a voltage difference with the bandwidth of terahertz. We examined a lossy composite right/left-handed transmission line to extract the circuit elements. The calculated properties of the design are extracted by employing commercial software package CST STUDIO SUITE.


2013 ◽  
Vol 133 (5) ◽  
pp. 957-961
Author(s):  
Yasuyoshi Okita ◽  
Futoshi Kuroki ◽  
Yuki Kawahara
Keyword(s):  

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