Page 18 - Industrial Power Engineering and Applications Handbook
P. 18
Introduction
This book is split into five parts. A summary of each part The text especially covers testing requirements and an
follows. introduction to quality assurance systems and applica-
tion of IS0 9001.
Special coverage of impulse testing of resin-rich formed
Part I Selection, testing, controls coils and their in-house testing requirements is given.
and protection of electric motors
This part deals with three- and single-phase ax. machines, Part II Switchgear assemblies and
and their protective switchgears. However, reference is captive (emergency) power generation
made to and comparisons drawn of a d.c. motor with an (Including instrument transformers and cable
ax. motor, to assist a user to make a proper choice of selection)
machine.
However simple a motor is, it requires careful handling
to ensure optimum performance and long years of trouble- The subjects covered aim at providing methods to form
free operation. A small drive, failing while in operation, specifications and then design a switchgear assembly for
may bring the entire process to a halt. One can visualize all power distribution needs. lt also provides coverage of
the loss of production that can result. Power plants, draw-out assemblies. Establishing the fault level of a
chemicals, fertilizers, petrochemicals, paper and cement system is described including the electrodynamic and
mills all require careful selection of equipment to avoid electromagnetic forces that arise.
breakdown or malfunctioning during operation. Motors
and their controlgears are core components that require Testing procedures are informative and elaborate.
special attention: Seismic effects and earthquake engineering is covered
in this part to study the behaviour of an object under
This part deals with the specifications, performance, seismic conditions and its suitability for critical
characteristics and behaviour of motors under different installations. The formation of the earth and movements
operating conditions, their application and selection. of tectonic plates that cause earthquakes and volcanic
It also covers aspects such as shock loading, motors eruptions are described.
for hazardous locations and open transient conditions Instrument transformers (CTs, class PS, CT,, VTs and
in HT motors during a switching sequence. CVTs etc.) form important components of a switchgear
In Chapter 12 a detailed analysis is made of all assembly for measurement and protection. They are
unfavourable operating conditions and their effect on covered for their specifications, selection and
the performance of the motor and its protection for application.
optimum utilization. The precautions also cover surge Design of class PS CTs (special coverage) is provided.
protection for HT motors. The details provided cover Captive (emergency) power generation covers the
the smallest-influence that a particular parameter can application of a diesel generating set, its starting,
have on a machine. protection, synchronizing and load sharing. This forms
This part-also deals with static controls and drives, an important part of power distribution at any
soft starting and process control through solid-state installation to provide a standby source of supply.
technology (phasor and field-oriented controls) using The entire painting rocedure and effluent treatment is
IGBTs as well as energy conservation. covered for those in the field of manufacturing such
There is special coverage of fluid couplings for soft assemblies.
starting and speed control. A comparison between static In an attempt to provide as much information on the
drives and variable-speed fluid couplings is made. related subjects as possible and to make the book
Windmills (induction generators) as an unconventional more complete for a project or a design engineer we
energy source, vertical hollow shaft motors and sub- have provided data and tables on cables and described
mersible pump sets, selection of belts for transmission in detail the procedure for the selection of the type
of load. the phenomenon of shaft currents are discussed. and size of control and LT and HT power cables.