JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2010, Vol. 40 ›› Issue (1): 154-158.

• Articles • Previous Articles    

Study of a power frequency magnetic field of 1000kVUHV AC  transmission lines

  

  1.  NIU Lin, ZHAO Jian-Guo： State Grid of China Technology College, Jinan 250002, China;  NIU Lin：Shandong Electric Power Research Institute, Jinan 250002, China; LI Ke-Jun：School of Electrical Engineering, Shandong University, Jinan 250061, China
  • Received:2009-09-24 Online:2010-02-16 Published:2009-09-24

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Abstract:

The timedomain mathematical prediction model of a space frequency magnetic field of UHV AC transmission line was established, which simplified the tedious process of the model in the complex domain. The horizontal distribution of the power frequency magnetic field of UHV AC transmission line in our country wasanalyzed basedon the prediction model, so that the maximum intensity of magnetic induction would be well shielded. In order to control the power frequency magnetic field, the sizeof the line load current, the height of wire from the ground, the conductor configurationofsingleloop and the phase sequence arrangement  of the double loop were studied in the fixed quantity. The results provided a more intuitionistic reference and learning for  engineering designers.

Key words: AC; UHV transmission lines; power frequency magnetic field

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