Reeds Vol 6: Basic Electrotechnology for Marine Engineers

Name: Reeds Vol 6: Basic Electrotechnology for Marine Engineers
Brand: Reeds
Price: 60.99 EUR
Availability: OnlineOnly

Christopher Lavers(Autor*in)

Reeds (Verlag)

5. Auflage

Erschienen am 6. Februar 2020

512 Seiten

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978-1-4729-6384-0 (ISBN)

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Inhalt

Cover
Half-title
Title
Copyright
Contents
Preface
The S.I. System
1. Fundamental Electrical Theory Terms and Laws
Electron Theory
The nature of electricity
The structure of the atom
Current as electron movement
Ionisation
The electric circuit
Circuit Laws
Ohm's law
Series and parallel circuits
Kirchhoff 's laws
Internal resistance of a supply source
Electromotive force (e.m.f.) and terminal P.D. or voltage
Ammeters and Voltmeters
Range of extension of ammeters and voltmeters
Instrument sensitivity
2. The Electric Circuit: Units
The SI System
Mechanical units
Electrical units
Examples Relating Mechanical and Electrical Energy
Efficiency
Grouping of Cells
Series connection
Parallel connection
Series-parallel connection
Maximum power transfer condition for a loaded circuit
3. Conductors, Insulators and Semiconductors
Resistance of a Conductor
Variation of conductor resistance with dimensions and material
Variation of conductor resistance with temperature
Resistance of an Insulator
Variation of insulation resistance with dimensions and material
Variation of insulation resistance with temperature
Resistance of a Semiconductor
Variation of semiconductor resistance with temperature
Heat and Electrical Energy
Relation between mechanical and heat energy
Relation between electrical and heat energy
Atomic theory of conduction
Energy levels
Energy bands
Crystal lattice
Conductivity
Metallic conduction
Liquid conduction
Gaseous conduction
Cold electron emission
The cold-cathode discharge lamp
4. Electrochemistry
Electrolytic Dissociation
Electrolysis
Electrolytic Cells
The water voltameter (sulphuric acid solution)
The copper voltameter (copper sulphate solution)
Quantitative laws of electrolysis (Faraday's laws)
Electrochemical equivalent (E.C.E.)
Atomic weight, valency, chemical equivalent weight
Back e.m.f. of electrolysis
Primary and Secondary Cells
The simple voltaic cell
Batteries
The primary cell
The secondary cell (or accumulator)
The Meaning of pH
Electrochemical Corrosion
5. Magnetism-Electromagnetism
Magnets
Natural magnets
Artificial magnets
The magnetic field
Molecular theory of magnetism
Electromagnetism
Field due to long straight current-carrying conductor
Field due to a current-carrying conductor bent to form a single loop
Field due to a current-carrying conductor wound as a solenoid
Introduction of an Iron Core
Force on a current-carrying conductor in a magnetic field
The ampere
Magnitude of force (on a current-carrying conductor in a magnetic field)
Unit of flux density
Unit of flux
The Magnetic Circuit
Magnetising force, magnetic field strength or magnetic field intensity
Magnetomotive force or m.m.f.
Permeability
Permeability of free space (µ0)
6. Electromagnetic Circuits
Magnetising Force
Magnetising force due to a long, straight current-carrying conductor
Magnetising force inside a solenoid
Magnetising force inside a toroid
Ferromagnetism
Relative permeability (µr )
The B-H or Magnetisation Curve
Reluctance (symbol S)
The Composite Magnetic Ring
The series arrangement
The parallel arrangement
Iron Losses
The hysteresis loop
Pull of an Electromagnet
7. Electromagnetic Induction
Laws of Electromagnetic Induction
Faraday's law
Lenz's law
Static Induction
Self-inductance
E.m.f. due to static induction
Mutual inductance
Coupling factor
Inductance of 2 coils in series
Magnetic Induction
Dynamic Induction
E.m.f. due to dynamic induction
Direction of induced e.m.f. (hand rules)
The Simple Magneto-Dynamo
The simple D.C. generator
8. Electrostatics and Capacitance
Electric Field
Electrostatics
Potential difference (P.D.)
Electrostatic charging
Distribution of charge
Electrostatic fields of force
Electrostatic flux
Electric potential
Capacitance
The capacitor
Capacitor systems
Capacitor current
Energy stored in an electric field or dielectric
Relative permittivity
Absolute permittivity
Permittivity of free space
Capacitance of a parallel-plate capacitor
Transient effects in D.C. circuits
Capacitor in a D.C. circuit
9. Basic Alternating Current (A.C.) Theory
The A.C. Waveform
Representation of Sinusoidal Alternating Quantities
Trigonometrical representation
Phasor representation
Addition and Subtraction of Alternating Quantities
Root Mean Square and Average Values
R.m.s. or effective value
Average value
Form factor
Peak factor
10. The Series A.C. Circuit 2
Impedance
Inductance
Inductive reactance
Capacitance
Capacitive reactance
The Series Circuit
Inductive impedances in series
Inductive and capacitive impedances in series
The general series circuit
11. A.C. Parallel Circuits and Systems
A.C. Circuits
Power in the A.C. circuit
Active and reactive components
The parallel circuit
Inductive impedances in parallel
Inductive and capacitive impedances in parallel
Parallel resonance
Power-Factor Improvement
Advantages of power-factor improvement
kW, kVA and kVAr
Power-factor improvement (kVA method)
Polyphase Working
Three-phase systems
Star or Y connection
Use of the neutral
Balanced load
Unbalanced load
Delta ? or mesh connection
Three-phase power
Three-phase kVA, kW and kVAr
12. The D.C. Generator
D.C. Machine Construction
Field system
The armature
D.C. Armature Winding Arrangements
The D.C. Generator
The e.m.f. equation
Characteristics
Associated Magnetic Circuit Effects
The no-load characteristic
Types of D.C. Generator
The permanent-magnet type of generator
The separately excited type of generator
The shunt-connected generator
The series-connected generator
The compound-connected generator
13. The D.C. Motor
Direction of Force
Magnitude of Force
Back e.m.f. of a motor
Voltage equation
Current equation
Speed equation
Speed controlling factors
Types of D.C. Motor
The shunt motor
The series motor
The compound motor
Equations
The power equation
The torque equation
Torque controlling factors
Motor Characteristics
The shunt motor
The series motor
The compound motor
Motor Starters
Speed Control
Estimation of D.C. machine efficiency
Solutions to Practice Examples
Selection of Typical Second Class Examination Questions
Solutions to Typical Second Class Examination Questions
Selection of Typical First Class Examination Questions
Solutions to Typical First Class Examination Questions
Index

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