Title :
Study on Electromagnetic Environment of Multi-circuit Transmission Lines on Same Tower
Author :
Feng, Guihong ; Wang, Yanxin ; Zhang, Bingyi
Author_Institution :
Dept. of Electr. Eng., Shenyang Univ. of Technol., Shenyang
Abstract :
The technology of extra-high voltage multi-circuit transmission lines on same tower is one novel transmitting technology, which can obviously decrease the route way resource, and the transmission capacity per area is increased prominently. But its electromagnetic environment problem is one of the keys which affect the feasibility of EHV transmission lines, so it´s important to study the electromagnetic environment. This paper calculates the electric field intensity and magnetic field intensity generated by transmission lines in different phase line sequences of different tower modes. We can accurately obtain the electric field and magnetic field distribution under EHV transmission lines using finite element analysis. From these simulating results, we can get the most reasonable position of transmission lines on tower and the best phase line sequence which has the least electromagnetic field intensity in 500 kV/220 kV mixed voltage four-circuit transmission lines on same tower. This can provide theoretic reference for construction of transmission lines.
Keywords :
electric fields; finite element analysis; magnetic fields; poles and towers; power transmission lines; EHV transmission lines; electric field intensity; electromagnetic environment; electromagnetic field intensity; extra-high voltage transmission lines; finite element analysis; mixed voltage transmission lines; multicircuit transmission lines; tower; voltage 220 kV; voltage 500 kV; Distributed parameter circuits; Electromagnetic fields; Finite element methods; Magnetic analysis; Magnetic fields; Poles and towers; Power transmission lines; Transmission line theory; Transmission lines; Voltage; 500kV/220kV mixed voltage; electric field intensity; electromagnetic environment; extra-high voltage; finite element; four-circuit; magnetic field intensity; phase line sequence; tower modes; transmission lines;
Conference_Titel :
Power System Technology and IEEE Power India Conference, 2008. POWERCON 2008. Joint International Conference on
Conference_Location :
New Delhi
Print_ISBN :
978-1-4244-1763-6
Electronic_ISBN :
978-1-4244-1762-9
DOI :
10.1109/ICPST.2008.4745302