Page 10 - Industrial Power Engineering and Applications Handbook

Contents vii
22 Grounding Practices and selection of components for capacitor duty Fast
Grounding electrodes Resistivity of soil (p) . discharge devices
Measuring the ground resistance Metal for the 26 Protection, Maintenance and Testing of
grounding conductor Jointing of grounding Capacitor Units
conductors . Maintenance of grounding stations
Grounding practices in a power generating station Protection and safety requirements . Installation and
Tolerahle potential difference at a location . Voltage maintenance of capacitor units Test requirements
gradients . Determining the leakage current through a 27 Power Reactors
body . Measuring the average resistivity of soil . Introduction Selection of power reactors . Magnetic
Improving the performance of soil . Determining the charecteristics . Design criterion and I . q5
ground fault current . Designing a grounding grid characteristics of different types of reactor .
Application

Part V Bus Systems
Part IV Power Capacitors
28 Carrying Power through Metal-enclosed
23 Power Capacitors: Behaviour, Switching Bus Systems
Phenomena and Improvement of Power Introduction . Types of metal-enclosed bus systems .
Factor Design parameters and service conditions for a metal
Introduction . Application of power capacitors Effect enclosed bus system Short-circuit effects . Service
of low PF . Other benefits of an improved power conditions Other design considerations ‘Skin effect .
factor . Behaviour of a power capacitor in operation . Proximity effect . Sample calculation for designing a
Generation of triple harmonics in an inductive circuit. 2500 A non-isolated phase aluminium busbar system
Generation of harmonics by a power electronic circuit.
Resonance . Effective magnitude of harmonic voltages 29 Recommended Practices for Mounting
;~nd currents When harmonics will appear in a Buses and Making Bus Joints
\ystem Filter circuits : suppressing harmonics in a Precautions in mounting insulators and conductors .
power network . Excessive charging currents Making a joint Bending of busbars
(switching inrush or making currents) Limiting the
inrii\h currents . Capacitor panel design parameters . 30 Properties and Ratings of Current-Carrying
Capacitor rating for an induction motor. Location of Conductors
capacitors Automatic PF correction of a system . Properties and current ratings for aluminium and
Switching sequences . PF correction relays copper conductors . Current-carrying capacity of’
copper and aluminium conductors
24 System Voltage Regulation
Capacitors for improvement of system regulation 31 An Isolated Phase Bus System
Series capacitors Rating of series capacitors An isolated phase bus (IPB) system Constructional
Advantages of series compensation . Analysis of a features . Special features of an IPB system .
system for series compensation . Reactive power Enclosure heating . Natural cooling of enclosures
management Influence of line length (ferranti effect) Continuous rating . Forced cooling . Influence of a
To optimize the power transfer through reactive space field on the metallic structures . Fault level .
control . Transient stability level Switching of large Voltage drop . Forming of sections for IPB systems
reactive banks Determining the section and size of conductor and
enclosure Sample calculations
25 Making Capacitor Units and Ratings of
Switching Devices 32 Testing a Metal-enclosed Bus System
Making a capacitor element . A critical review of Philosophy of quality systems . Recommended tests
internally protected capacitor units . Self-healing Procedure for type tests Routine tests . Field tests
capacitors . Making a capacitor unit from elements .
Making capacitor banks from capacitor units Rating Iiidex 959