Reradiation interference computation model of high voltage transmission line to the shortwave radio direction finding station

Zhang, Xiaowu; Tang, Jian; Zhang, Huanguo; Liu, Xingfa

doi:10.1109/emczur.2009.4783452

Cited by 10 publications

(4 citation statements)

References 3 publications

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“…When frequency is less than 1.7MHz, IEEE recommends tower and ground wire should be represented as different radius line models [16] . The model proposed in [2,5] uses wire model to represent the main material of angle-steel tower, while suggesting that this wire model couldn't be used at frequency over 16.7MHz. The three dimensional surface model of angle-steel tower and the solution method are proposed in [8] to research interference at higher frequency.…”

Section: A Selction Of Reradition Interference Methodsmentioning

confidence: 99%

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Protecting Distance of Scattering between DC Transmission Line and Receiving Station of AM

Liu

Zhang

Gan

et al. 2014

AMM

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In the construction of UHVDC power line in China, the national standard of reradiation interference protecting distance between UHVDC power line and receiving station of AM broadcasting needs to be renewed. In this paper, the wire-surface simulation model is used to calculate the interference. In the model, steel tower is represented as surface model, ground wire is represented as wire model, and the whole model is excitated by vertical polarization plane wave. For the deficiency of traditional solution method of protecting distance calculation, a new method is proposed. It is recommended that the whole work frequency band of receiving station should be calculated to determine the space interval which has actual protecting distance. Then the interval is gradually narrowed with dichotomy method until the interval size is within allowable value. With the first-grade receiving station of AM broadcasting as example, the reradiation interference protecting distance from UHVDC power line and station is calculated..

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Section: A Selction Of Reradition Interference Methodsmentioning

confidence: 99%

“…Ref. [2,5] gave the protecting distance between UHVAC power lines and receiving station. In the calculation, interference value is calculated at the resonance frequency to ensure that the value is the maximum, and the protection distance, with the corresponding interference, is found less than the allowable value of receiving station.…”

Section: Introductionmentioning

confidence: 99%

Protecting Distance of Scattering between DC Transmission Line and Receiving Station of AM

Liu

Zhang

Gan

et al. 2014

AMM

View full text Add to dashboard Cite

show abstract

“…[2,5] gave the protecting distance between UHVAC power lines and receiving station. In the calculation, interference value is calculated at the resonance frequency to ensure that the value is the maximum, and the protection distance, with the corresponding interference, is found less than the allowable value of receiving station.…”

Section: Introductionmentioning

confidence: 99%

Protecting distance of reradiation interference between UHVDC power line and receiving station of AM broadcasting

Tang

Meng

Xiao

et al. 2012

2012 Power Engineering and Automation Conference

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In the construction of UHVDC power line in China, the national standard of reradiation interference protecting distance between UHVDC power line and receiving station of AM broadcasting needs to be renewed. In this paper, the wiresurface simulation model is used to calculate the interference. In the model, steel tower is represented as surface model, ground wire is represented as wire model, and the whole model is excitated by vertical polarization plane wave. For the deficiency of traditional solution method of protecting distance calculation, a new method is proposed. It is recommended that the whole work frequency band of receiving station should be calculated to determine the space interval which has actual protecting distance. Then the interval is gradually narrowed with dichotomy method until the interval size is within allowable value. With the first-grade receiving station of AM broadcasting as example, the reradiation interference protecting distance from UHVDC power line and station is calculated.

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“…In order to avoid the interference, the protecting distance, a reference for power line design, should be instituted. In [2,4], a wire model of reradiation interference and the protecting distance on radio station from UHVAC power lines have been proposed.…”

Section: Introductionmentioning

confidence: 99%

Resonance characteristics of reradiation interference on radio station from UHV power lines

Tang

Meng

Xiao

et al. 2012

2012 Power Engineering and Automation Conference

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According to the current solution method of reradiation interference protecting distance between radio station and UHV power lines, the resonance characteristics of interference is a key issue in decreasing the protecting distance. The wire-surface simulation model, in which steel tower is represented as surface model and ground wire is represented as wire model, is excitated by vertical polarization plane wave. Based on the method of moments (MoM), the base function of wire-surface model junction point and the computation method are discussed. With various frequencies, the interference values are calculated. The possible impact factors of interference resonance, such as ground wire, conductor, number of towers and tower spans, are studied. The results show that the decisive impact factor on reradiation interference is tower spans. It is concluded that interference is mainly decided by electromagnetic scatter from power towers in short wave and above.

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Reradiation interference computation model of high voltage transmission line to the shortwave radio direction finding station

Cited by 10 publications

References 3 publications

Protecting Distance of Scattering between DC Transmission Line and Receiving Station of AM

Protecting Distance of Scattering between DC Transmission Line and Receiving Station of AM

Protecting distance of reradiation interference between UHVDC power line and receiving station of AM broadcasting

Resonance characteristics of reradiation interference on radio station from UHV power lines

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