METHOD OF SYNTHESIS OF CLOSED-LOOP SYSTEMS OF ACTIVE SHIELDING MAGNETIC FIELD OF POWER TRANSMISSION LINES

2016 ◽  
Vol 2016 (4) ◽  
pp. 8-10 ◽  
Author(s):  
B.I. Kuznetsov ◽  
◽  
A.N. Turenko ◽  
T.B. Nikitina ◽  
A.V. Voloshko ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Transmission Lines ◽  
Closed Loop ◽  
Power Transmission ◽  
Power Transmission Lines ◽  
Closed Loop Systems ◽  
Active Shielding

scholarly journals Visualization of Magnetic Field Distribution under UHV Power Transmission Lines

1992 ◽  
Vol 12 (1Supplement) ◽  
pp. 303-306
Author(s):  
Young Chan CHOI ◽  
Hirotsugu OHSHIMA ◽  
Ryu-ichiro OHYAMA ◽  
Kiyoji KANEKO
Keyword(s):  
Magnetic Field ◽  
Field Distribution ◽  
Transmission Lines ◽  
Power Transmission ◽  
Magnetic Field Distribution ◽  
Power Transmission Lines

Field Studies on the Prediction Method of Induced AC Level on Buried Pipelines Using Magnetic Field Sensors

2008 ◽  
Author(s):  
Yuji Hosokawa ◽  
Ryuji Koga ◽  
Akihiro Ametani
Keyword(s):  
Magnetic Field ◽  
Magnetic Flux ◽  
Flux Density ◽  
Transmission Lines ◽  
Power Transmission ◽  
Prediction Method ◽  
Magnetic Flux Density ◽  
Power Transmission Lines ◽  
Metallic Structures ◽  
Magnetic Field Sensors

There is a risk of alternating current (AC) corrosion on pipelines that are buried in proximity to overhead AC power transmission lines due to induced AC caused by magnetic fields around the power transmission lines. Grounding of the line pipes is generally applied for the mitigation of induced AC. In the present paper, studies were conducted to predict the induced AC level through the measurement of magnetic flux density using magnetic field sensors. The relationship between magnetic flux density and induced AC level was then obtained through theoretical studies. In addition, as a result of field tests conducted on an existing pipeline buried in proximity to power transmission lines, induced AC level could be predicted through the measurement of magnetic flux density using magnetic field sensors above the pipeline route. Magnetic flux density can be measured regardless of the number and location of power transmission lines as well as other metallic structures, and therefore it is expected that the AC prediction method using magnetic field sensors can be applied on the pipelines buried in proximity to multiple power transmission lines and/or to other metallic structures with complicated configuration.

Environmental pollution by magnetic field associated with power transmission lines

2002 ◽  
Vol 43 (17) ◽  
pp. 2443-2452 ◽  
Author(s):  
Abdel-Salam H.A. Hamza ◽  
Shaher A. Mohmoud ◽  
Samy M. Ghania
Keyword(s):  
Magnetic Field ◽  
Environmental Pollution ◽  
Transmission Lines ◽  
Power Transmission ◽  
Power Transmission Lines
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