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Electrical Installation Calculations/Электротехнические расчеты

Артикул: 00-01044746
в желания В наличии
Автор: Christopher Kitcher
Издательство: Routledge (все книги издательства)
Место издания: New York
Год: 2022
Переплет: Мягкая обложка
Страниц: 217
Вес: 272 г
2500 P

Книга на английском языке.
Electrical calculations required for exams can prove difficult to master, but for more than 40 years, this book series has proved very helpful to students and professional electrical engineers studying for electrical qualifications. It covers all the calculations required for Level 2 electrical qualifications, along with other useful calculations that may be used in the electrical industry but may not feature in the syllabus of some exams.
Although the calculations in this book are referred to as ‘basic’, they form the foundation of all calculations carried out in the electrical industry, which have been set out simply with worked examples along with additional questions and answers. Key terms are explained in a glossary, which can be used to assist with the reader’s understanding.

1 Use of Calculators
2 Simple Transposition of Formulae
3 SI Units
SI Derived Units (Used in Book 1 & 2)
SI Unit Prefixes
4 Conductor Colour Identification
5 Circuit Calculations
Ohm’s Law
Resistors in Series
Resistors in Parallel
Calculation of Total Resistance of Resistors in Parallel
Resistances in Parallel Using Product over Sum Method
Series and Parallel Resistors
6 Voltage Drop
Conductor Resistance and Voltage Drop Using Ohm’s Law
Voltage Drop Using Tables From BS 7671
7 Areas, Perimeters and Volume
Calculation of Perimeters
Areas and Perimeters
8 Space Factors
9 Coulombs and Current Flow
10 Internal Resistance
11 Power in a d.c. and Purely Resistive a.c. Circuit
Method 1
Method 2
Method 3
Mass, Force and Weight
12 Power Factor
kVA, kVAr and kW
13 Transformers
Transformer Calculations
Transformer Current
14 Electromagnetic Effect
Magnetic Flux and Flux Density
Force on a Current Carrying Conductor Within a Magnetic Field
15 Induced e.m.f.
16 Self-Inductance
17 Mutual Inductance
18 Cable Selection
Disconnection Times for Fuses
Disconnection Times for Circuit Breakers
Fusing Factors, Fault Current and Overload
Short Circuit Current
19 Earth Fault Loop Impedance
Earth Fault Loop Impedance Ze
Earth Fault Loop Impedance Zs
20 Material Costs, Discounts and Value Added Tax
21 Electrostatics
The Parallel Plate Capacitor
Series Arrangement of Capacitors
Parallel Arrangement of Capacitors
22 Formulae
23 Electronic Symbols
24 Glossary
25 Answers to Exercises
Exercise 1
Exercise 2
Exercise 3
Exercise 4
Exercise 5
Exercise 6
Exercise 7
Exercise 8
Exercise 9
Exercise 10
Exercise 11
Exercise 12
Exercise 13
Exercise 14
Exercise 15
26 Additional Questions and Answers

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