HUMAN EXPOSURE TO POWER FREQUENCY ELECTRIC FIELD INSIDE VERY HIGH VOLTAGE SUBSTATIONS

2011 ◽  
Vol 10 (4) ◽  
pp. 499-504 ◽  
Author(s):  
Calin Munteanu ◽  
Ioan T. Pop ◽  
Vasile Topa ◽  
Adina Racasan ◽  
Emil Merdan
Keyword(s):  
Electric Field ◽  
High Voltage ◽  
Human Exposure ◽  
Power Frequency ◽  
Frequency Electric Field ◽  
Very High

Prediction Model of Power Frequency Electric Field Intensity of Typical Transmission Line

2013 ◽  
Vol 448-453 ◽  
pp. 328-331
Author(s):  
Xin Zhao ◽  
Tao Chen ◽  
Wei Wang ◽  
Yan Hong Huang Fu
Keyword(s):  
Electric Field ◽  
Transmission Line ◽  
Field Intensity ◽  
High Voltage ◽  
Electric Field Intensity ◽  
Electromagnetic Compatibility ◽  
High Voltage Transmission Line ◽  
Power Frequency ◽  
Frequency Electric Field ◽  
High Voltage Transmission

The power frequency electric field and Electric radiation generated by high voltage transmission line have a great impact on the surrounding environment, which is one of the important research topic on environmental protection and electromagnetic compatibility technology field. In this paper, the information database of typical transmission line and tower established,and the prediction of power frequency electric field intensity of high voltage transmission line has been given by using the 3-D computational method.Then, the major factors affecting the calculation results of electric field is discussed based on the measured data and the error analysis is given.

Analysis and Calculation of Substation’s Internal Electric Field Intensity Caused by Incoming and Outgoing Lines

2013 ◽  
Vol 291-294 ◽  
pp. 2428-2431
Author(s):  
Hui Lan Jiang ◽  
Kai Zeng ◽  
Jian Min Liu ◽  
Chao Li
Keyword(s):  
Genetic Algorithm ◽  
Electric Field ◽  
Field Intensity ◽  
High Voltage ◽  
Electric Field Intensity ◽  
Transmission System ◽  
Three Phase ◽  
Power Frequency ◽  
Limited Length ◽  
Frequency Electric Field

In ultra-high voltage transmission system, the electrostatic induction generated by power frequency electric field will exerts negative effects on the electrical automation equipment within the substation and, in particular, will leads long-term harm to staffs’ health. However, researches of electric field environment in ultra-high voltage transmission system merely concentrate on calculating the electric field intensity caused by three-phase limited length wire or three-phase infinite wire within the transmission, without considering the method of calculating half-infinite wire which represents “one end is fixed, while the other end is infinite length’s wire”. Consequently, a new method named “Charge Simulation-Genetic Algorithm (CS-GA) method” which can efficiently calculate power frequency electric field inside of the substation is proposed in the paper. In CS-GA method, the effective calculating length is determined by genetic algorithm method’s optimization, which in other words, half-infinite length wire is substituted for limited length wire in calculating the electric field intensity. The simulation results indicate that CS-GA method is a relatively accurate, efficient and reasonable way on calculating the power frequency electric field inside of the substation.

The Experimental Study on the Influence of Human Body to Measurement of High Voltage Power Frequency Electric Field

2013 ◽  
Vol 303-306 ◽  
pp. 482-488
Author(s):  
Kai Mao ◽  
Jin Gang Wang ◽  
Xu Dong Deng ◽  
Wei He ◽  
Zuo Peng Zhang
Keyword(s):  
Electromagnetic Field ◽  
Electric Field ◽  
Electric Fields ◽  
High Voltage ◽  
Human Body ◽  
Enhancement Factor ◽  
Electric Field Distribution ◽  
Field Distortion ◽  
Power Frequency ◽  
Frequency Electric Field

Based on the basic theory of electromagnetic field, the Electric Field Distortion (EFD) in power frequency electric field caused by induced current of human body has been analyzed. The enhancement factor of the electric field distortion is introduced to reduce the influences caused by human body in the measurement of high voltage electric fields. The Ansoft Maxwell is used to simulate and calculate the electric field distribution under the influence of the human body to have the value of enhancement factor. In addition, the enhancement factor has been corrected by experiment with the electromagnetic field analyzer EFA300. With the enhancement factor introduced in this paper, the measurement error can be reduced.

Sign in / Sign up

Export Citation Format

Share Document