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Model of current threshold for perception in testing electrical safety performance

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Abstract

A generalized mathematical model of human body current threshold for perception was established and the current flowing through human body could be arbitrary cyclical waveforms. The relationship between human body current threshold for perception and current frequency, true root mean square (RMS) value and influence factor was described. A test system was established based on electroencephalogram (EEG) to study the relationship between human body current threshold for perception and current waveform, frequency and duty cycle so that the data could be obtained objectively and reliably. At least 850 groups of current threshold for perception and 16-lead EEGs were acquired. The theoretical analysis are verified by experimental data, and an amendment proposal on leakage current evaluation limits specified in International Electro-Technical Commission (IEC) standards is suggested.

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Authors and Affiliations

  1. School of Information Engineering, University of Science and Technology Beijing, Beijing, 100083, China

    Xiaofei Wang  (王晓飞) & Zhaohui Zhang  (张朝晖)

  2. School of Electro-Optical Engineering, Beijing Information Science and Technology University, Beijing, 100192, China

    Xiaofei Wang  (王晓飞), Dong Li  (李 东) & Guozhong Liu  (刘国忠)

  3. Department of Neurology, The 306th Hospital of PLA, Beijing, 100101, China

    Xu Zhao  (赵 旭)

Authors
  1. Xiaofei Wang  (王晓飞)
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  2. Zhaohui Zhang  (张朝晖)
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  3. Dong Li  (李 东)
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  4. Guozhong Liu  (刘国忠)
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  5. Xu Zhao  (赵 旭)
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Corresponding author

Correspondence to Xiaofei Wang  (王晓飞).

Additional information

Supported by the Ministry of Science and Technology of China (No. NCSTE-2006-JKZX-167) and Beijing Key Laboratory (Measurement and Control of Electro-mechanical Systems) (No. 82063005).

WANG Xiaofei, born in 1965, Dr, associate Prof.

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Wang, X., Zhang, Z., Li, D. et al. Model of current threshold for perception in testing electrical safety performance. Trans. Tianjin Univ. 16, 11–16 (2010). https://doi.org/10.1007/s12209-010-0003-8

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  • DOI: https://doi.org/10.1007/s12209-010-0003-8

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