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GB/T 13870.2-2016: Effects of current on human beings and livestock -- Part 2: Special aspects Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 13870.2: Historical versions
Similar standardsGB/T 13870.2-2016: Effects of current on human beings and livestock -- Part 2: Special aspects---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT13870.2-2016GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 13.260 K 09 GB/T 13870.2-2016 / IEC/TS 60479-2.2007 Replacing GB/T 13870.2-1997 Effects of Current on Human Beings and Livestock – Part 2. Special Aspects (IEC/TS 60479-2.2007, IDT) Issued on: APRIL 25, 2016 Implemented on: NOVEMBER 1, 2016 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 5 2 Normative References... 5 3 Terms and Definitions... 6 4 Effects of Alternating Currents with Frequencies above 100 Hz... 8 5 Effects of Special Waveforms of Current... 12 6 Effects of Alternating Current with Phase Control... 20 7 Effects of Alternating Current with Multi-Cyle Control... 22 8 Estimation of the Equivalent Current Threshold for Mixed Frequencies... 24 9 The Effect of Repeated Pulses (Bursts) of Current on the Threshold of Ventricular Fibrillation... 25 10 Effects of Electric Current through the Immersed Human Body... 29 11 Effects of Unidirectional Single Impulse Currents of Short Durations... 33 Bibliography... 41ForewordGB/T 13870 Effects of Current on Human Beings and Livestock consists of the following 5 parts. --- Part 1.General Aspects; --- Part 2.Special Aspects; --- Part 3.Effects of Currents Passing through the Body of Livestock; --- Part 4.Effects of Lightning Strokes Passing through the Body of Human Beings and Livestock; --- Part 5.Touch Voltage Threshold Values for Physiological Effects. This Part is Part 2 of GB/T 13870. This Part was drafted as per the rules specified in GB/T 1.1-2009 and GB/T 20000.2-2009. This Part replaced GB/T 13870.2-1997 Effects of Current on Human Beings and Livestock - Part 2.Special Aspects. Compared with GB/T 13870.2-1997, the major technical changes of this Part are as follows. --- Further improve the following technical contents. Effects of AC current with a DC component, AC current with phase control, and AC current with multi-cycle control in the frequency range of 15 Hz to 100 Hz passing through the human body (see Clauses 5, 6, and 7 of this Edition); --- Add the estimation of equivalent current thresholds at mixed frequencies (see Clause 8 of this Edition); --- Add the effect of repetitive pulse current on the threshold of ventricular fibrillation (see Clause 9 of this Edition); --- Add the effects of current passing through a human body immersed in water (see Clause 10 of this Edition). This Part used translation method to equivalently adopt IEC/TS 60479-2.2007 (Version 3) Effects of Current on Human Beings and Livestock – Part 2.Special Aspects. Compared with IEC/TS 60479-2/l2007 (Version 3), the clause No. of this Part was completely consistent, the technical contents were also complete consistent; but this Part made the following editorial modifications. --- Replace the decimal point symbol “,” with the decimal point symbol “.”; Effects of Current on Human Beings and Livestock – Part 2. Special Aspects1 ScopeThis Part of GB/T 13870 describes the effects on the human body when a sinusoidal alternating current in the frequency range above 100 Hz passes through it. The effects of current passing through the human body for --- alternating sinusoidal current with d.c. components, --- alternating sinusoidal current with phase control, --- alternating sinusoidal current with multicycle control, are given in this Part but are only deemed applicable for alternating current frequencies from 15 Hz up to 100 Hz. NOTE 1.Other waveforms are under consideration. This Part furthermore describes the effects of current passing through the human body in the form of single unidirectional rectangular impulses, sinusoidal impulses and impulses resulting from capacitor discharges. NOTE 2.The effects of sequences of impulses are under consideration. The specified values are deemed to be applicable for impulse durations from 0.1 ms up to and including 10 ms. For impulse durations greater than 10 ms, the values given in Figure 20 of GB/T 13870.1-2008 apply. This Part only considers conducted current resulting from the direct application of a source of current to the body, as does GB/T 13870.1-2008 and GB/T 13870.3.It does not consider current induced within the body caused by its exposure to an external electromagnetic field.2 Normative ReferencesThe following documents are essential to the application of this Document. For the dated documents, only the versions with the dates indicated are applicable to this Document; for the undated documents, only the latest version (including all the amendments) is applicable to this Document. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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