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Safety or protective grounding is of vital importance for the
protection of individuals from electric shock and structures and
industrial concerns from potentially damaging lightning and
electrostatic discharges. To many electrical engineers the notion
of grounding is nebulous and safety grounding is quite often
confused with neutral grounding of the power supply. The main
objective of this book is to give the reader a better understanding
of safety grounding, why it is needed, where it is needed, and what
are the requirements which must be met in order to have an
effective grounding system. The text as a whole serves to provide
the reader with the necessary background for a better appreciation
of the various National and International Standards concerned with
safety grounding. This book gives the reader a good understanding
of the fundamentals of safety grounding. It is a practical guide
that provides a comprehensive coverage of all types of grounding
requirements and is intended for students and practicing electrical
engineers alike. Summarizes the physiological effects of current on
the human body and the effect of current duration Gives the various
methods of measuring soil resistivity and measuring the resistance
to ground of an electrode or grounding system Reviews different
types of ground electrodes and the effect of their geometry and
numbers on the resistance to ground Presents the components of a
ground system, methods of improving soil resistivity, the types of
welds and joints, the criteria for determining conductor
cross-sections, galvanic corrosion, and a survey of the different
grounding practices used at substations and the different types of
grounding systems used for the protection of consumers Deals with
electrostatic and lightning hazards that can cause serious damage
and the measures used to protect against such damage Throughout the
text frequent reference is made to various National and
International Standards and their requirements as compliance with
these standards is highly advised Asser A. Zaky, Ph.D., FIET,
F.Inst.P., FIEEE, is Emeritus Professor of Electrical Engineering
at University of Alexandria, Egypt.
Safety or protective grounding is of vital importance for the
protection of individuals from electric shock and structures and
industrial concerns from potentially damaging lightning and
electrostatic discharges. To many electrical engineers the notion
of grounding is nebulous and safety grounding is quite often
confused with neutral grounding of the power supply. The main
objective of this book is to give the reader a better understanding
of safety grounding, why it is needed, where it is needed, and what
are the requirements which must be met in order to have an
effective grounding system. The text as a whole serves to provide
the reader with the necessary background for a better appreciation
of the various National and International Standards concerned with
safety grounding. This book gives the reader a good understanding
of the fundamentals of safety grounding. It is a practical guide
that provides a comprehensive coverage of all types of grounding
requirements and is intended for students and practicing electrical
engineers alike. Summarizes the physiological effects of current on
the human body and the effect of current duration Gives the various
methods of measuring soil resistivity and measuring the resistance
to ground of an electrode or grounding system Reviews different
types of ground electrodes and the effect of their geometry and
numbers on the resistance to ground Presents the components of a
ground system, methods of improving soil resistivity, the types of
welds and joints, the criteria for determining conductor
cross-sections, galvanic corrosion, and a survey of the different
grounding practices used at substations and the different types of
grounding systems used for the protection of consumers Deals with
electrostatic and lightning hazards that can cause serious damage
and the measures used to protect against such damage Throughout the
text frequent reference is made to various National and
International Standards and their requirements as compliance with
these standards is highly advised Asser A. Zaky, Ph.D., FIET,
F.Inst.P., FIEEE, is Emeritus Professor of Electrical Engineering
at University of Alexandria, Egypt.
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