A single phase i H.P., 50 C.P.S.0 230 volts 4-pole capacitor motor with a burnt out stator winding was available in the laboratory. Instead of the routine repair shop practice of rewinding the machine as a single phase ...
Problem of unbalance opeiatton of induction manly
has been of Mat interest to a large mbar of authors
(1, 3, 4). Metho8 at symmetrical cnponont have been the
def tool foa studying this problem. The unbalanced oration
can ...
In the following pages an effort has been asd• to present a cc prshsnsive picture of the various aspects of the vibration prabls of overhead transmission line. The, dartlopment of the subject MMr+O&& the last three decades ...
The thesis gives a detailed study of the transients
in Schrage Motor consequent to various types of switching
operations and loading etc. The treatment makes use of the
'quadrature-components approach' for the analysis. ...
Chapter I deals with the relay elements and
comparstors used in modern protective relay schemes- Phase
and amplitude comparators using transistors, rectifiers and
Hall multipliers are reviewed in brief.
Chapter II deals ...
In this thesis, a systematic and detailed analysis
of the behaviour of a Schrage motor under the following
abnormal conditions of operation is described:
(i) Supply voltage sinusoidal but unbalanced,
(ii) Single phase ...
The thesis is divided into eight chapters. The
first chapter contains (a) general introduction to
the thesis, (b) statements of the problems, (c ) outline
of the scope of the present work. A critical review
of the ...
The thesis gives a detailed study of the problem of
redundancy allocations in electronic circuits associated with
the protective relay circuits. The approach has been kept
general so that application to various fields ...
During the last decade an extra-ordinary develop-ment has occurred in the application of physical and engineering principles to the understanding and solution of problems arising in medicine and biology. Develop-ment of ...
' t s dissertation ecmbodi es the solution of the problem of finding the eat iaftt a of the transient response of a stab. r ,power system consisting of s synOlironous generator connected to zw infinite bus; involving ...
The thesis deals with the problem of designing
model reference adaptive control systems from different
points of view. It is divided into seven chapters. The
first chapter contains an introduction to the problem ...
The present work is primarily an attempt to
provide rigorous analytical basis for calculation of
proximity effects of bus bars, viz. the induced currents
and losses in enclosures of an isolated phase bus assembly.
The ...
The human visual system is classified into three main
systems depending upon the closed loop feedback dynamicsthe
pupillary light reflex, the eyeball movements and the
lens accommodation dynamics. Further the eyeball ...
The present work deals with the optimal design of a system
by using structural redundancy. A basic consideration in the
design of a complex system is the reliability which should
be very high. Generally, the reliability ...
The problem of power-system stability has
interested the research workers for the last several •
decades. The mathematical model to describe this system,
taking into account the voltage-regulator and governor
actions, ...
As power system generating facilities increase
in size, number and complexity, the power utility is faced
with a range of decision scheduling problems. The simple
rules of thumb, based on human judgement alone are no ...
The electromechanical relays, presently used for the pro
tection of the overhead equipment of the 25-kV single-phase 5C~Hz
traction system of the Indian Railways, lack good selectivity and
fast operation. Unnecessary ...