Download Cable System Transients: Theory, Modeling and Simulation by Akihiro Ametani PDF

By Akihiro Ametani

A scientific and complete advent to electromagnetic temporary in cable structures, written by means of the across the world well known pioneer during this field

• offers a scientific and entire advent to electromagnetic brief in cable systems
• Written via the the world over well known pioneer within the field
• Thorough insurance of the cutting-edge at the subject, awarded in a well-organized, logical type, from basics and useful applications
• A significant other site is out there

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Additional info for Cable System Transients: Theory, Modeling and Simulation

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6] Tokyo Electric Power Company (2009) Assessment of the Technical Issues relating to Significant Amounts of EHV Underground Cable in the All-island Electricity Transmission System. pdf (accessed 27 November 2013). 20 Cable System Transients [7] Akhmatov, V. (2006) Excessive over-voltage in long cables of large offshore windfarms. Wind Engineering, 30 (5), 375–83. [8] Ohno, T. (2012) Dynamic study on the 400 kV 60 km Kyndbyværket–Asnæsværket line. PhD thesis. Aalborg University. 502 (2013) Power System Technical Performance Issues Related to the Application of Long HVAC Cables.

33) is further reduced to a column matrix in the same manner as explained in the case of [Zi ]. ] This is the same for all the other impedance and admittance matrices explained in this section. 31) are given in the following form. 40) where Z0 in the above matrix is the self earth-return impedance of the pipe. 2 is given in the following form [9, 10]. 45), the last column and row corresponding to the pipe conductor, should be omitted when the pipe thickness is being assumed infinite. 21). 45) is given in the following form.

Obviously the cable arrangement affects the impedance of the cable line. When surplus pipes or ducts are available for the cable installation, it is recommended to calculate positive-sequence and zero-sequence impedances with different cable arrangements [18]. When a cable is laid in a trough, its phase spacing tends to be small compared with other laying conditions. Since three-phase cables are laid in a trough, phase spacing is limited by the size of the trough. When the trough is made of concrete, the cable is often modeled as a pipe-type cable, considering the trough as a pipe of the pipe-type cable.

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