Conductive currents in human body due to contact with energized source

人体因接触电源而产生传导电流

• 批准号: 19760205
• 负责人: TARAO Hiroo
• 金额: $ 2.19万
• 依托单位: 香川高等専門学校 (2009)Takamatsu National College of Technology (2007-2008)
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2007
• 资助国家: 日本
• 起止时间: 2007 至 2009
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19760205/
• 关键词: 電気電子工学; 電力工学; 電気機器工学; 接触電流; 通電電流; 体内電流密度; 人体インピーダンス; 電流分布; 低周波数; 人体数値モデル; 電流密度

Distributions of 60Hz contact current inside the anatomically realistic human body were demonstrated under typical scenarios of current paths. Current densities and electric fields in the CNS tissues or the heart, the heart-current ratios, and heart-current factors were calculated. The new numerical method which was partly modified from the conventional SPFD method was proposed. Average values of the electric fields in the heart of the model due to the contact current of 0.5mA were 65~85mV/m for the hand-to-foot/feet current paths. It is found that a part of 33~40 % of the total contact current passes through the heart in three scenarios of one hand to either the other hand or feet, and these heart-current ratios were much larger than the ones reported by another researcher. Furthermore, the heart-current factor is almost the same as the one in IEC for the right-hand-to-feet, but is twice as much as the one in IEC for the hand-to-hand path.

在典型的电流路径场景下，模拟了60 Hz接触电流在人体内的分布。计算CNS组织或心脏中的电流密度和电场、心脏电流比和心脏电流因子。提出了一种新的数值方法，该方法对传统的SPFD方法进行了部分修改。对于手-脚/脚电流路径，0.5mA接触电流引起的模型心脏电场平均值为65~ 85 mV/m。结果表明，在单手到另一只手或脚的三种情况下，总接触电流的33%~ 40%通过心脏，这一心脏电流比远大于其他研究者报道的心脏电流比。此外，对于右手到脚，心脏电流因子几乎与IEC中的心脏电流因子相同，但是对于手到手路径，心脏电流因子是IEC中的心脏电流因子的两倍。

项目成果

Parameters Affecting Numerical Estimations of Internal Body Resistance of Human Model at Power Frequency

工频下影响人体模型体内电阻数值估计的参数

• 发表时间: 2009
• 作者: N. Hayashi;H. Tarao;K. Isaka
• 通讯作者: K. Isaka

Induced Current Densities for Real Human Model Exposed to Rotating Magnetic Fields from Transmission Line

暴露于传输线旋转磁场的真实人体模型的感应电流密度

• 发表时间: 2007
• 作者: H. Tarao;N. Hayashi;K. Isaka
• 通讯作者: K. Isaka

Current Densities inside Numerical Human Body Resulting from Low-Frequency Contact Currents

低频接触电流产生的人体内部电流密度

• 发表时间: 2008
• 作者: H. Tarao;N. Hayashi;and K. Isaka
• 通讯作者: and K. Isaka

Numerical Characterization of Dosimetry, Human Body Impedance and Heart Current Resulting from Power-Frequency Touch Current for an Anatomically Realistic Human Model

解剖学真实人体模型的工频接触电流产生的剂量测定、人体阻抗和心脏电流的数值表征

• 发表时间: 2009
• 期刊: IEEJ Trans. on Electrical and Electronic Eng. Vol.4,No.4
• 作者: N. Hayashi;H. Tarao;K. Isaka
• 通讯作者: K. Isaka

ELF平等磁界暴露及び接触電流で生じる詳細人体モデル内の電界分布と電流密度分布

ELF均匀磁场暴露和接触电流引起的详细人体模型中的电场分布和电流密度分布

• 发表时间: 2009
• 作者: N. Hayashi;H. Tarao;K. Isaka;太良尾・平尾・井上・林
• 通讯作者: 太良尾・平尾・井上・林