"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki ISSN 1684-1719, N 10, 2017

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The technique of restricting the accumulation of static electricity charges on the operator when servicing automated process control systems


P. S. Glazunov 1, S. S. Zhulikov 2, Isam M. A. Abdelshafi 2

1 Lomonosov Moscow State University, Faculty of Physics, Department of general physics, Leninskiye Gory 1-2, Moscow 119991, Russia

2 National Research University «MPEI», Institute of Electrical Power Engineering, Department of High Voltage Engineering and Electrical Physics, Krasnokazarmennaya str., 17, Moscow 111250, Russia


The paper is received on September 25, 2017


Abstract. For the floor polymeric coverings that do not have antistatic properties, the technique of restricting accumulation of operator's electrostatic potential to admissible value was developed. This value is established by the requirement of the immunity of the automated process control system (ACS TP) to the contact electrostatic discharge. The technique allows determining the conditions of operation of the floor polymer covering in the control room: select this combination of the relative humidity of air with the dimensions of open ungrounded parts of the covering surface at which the operator's potential does not exceed the admissible value. In accordance with the technique, the dependence of the specific surface resistance of the floor covering on the relative humidity of the air is used in the calculations. When designing new objects, you should choose antistatic floor coverings that must be used in combination with antistatic shoes (antistatic straps) to ensure a reliable electrical contact between the operator's body and the surface of the flooring polymer covering. Calculations confirmed that in this case the electrostatic potential of the operator does not exceed the admissible value for the equipment of ACS TP.

Key words: automated process control system (ACS TP), the discharge of static electricity (ESD), electromagnetic disturbances, floor polymer covering, relative humidity of the air.       


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For citation:

P. S. Glazunov, S. S. Zhulikov, Isam M. A. Abdelshafi. The technique of restricting the accumulation of static electricity charges on the operator when servicing automated process control systems. Zhurnal Radioelektroniki - Journal of Radio Electronics, 2017, No. 10. Available at http://jre.cplire.ru/jre/oct17/3/text.pdf. (In Russian)