Electricity: Fundamentals for the Water and Wastewater Maintenance OperatorCRC Press, 6 nov. 2000 - 269 pages Electricity offers a complete introduction to the nature of electricity for those who want to know more about electricity but do not find the time to struggle through complicated handbooks. It explains what electricity and magnetism are, how batteries work, the difference between DC- and AC-fields, what conductors, inductance and capacitance are, and many other things. The text provides examples of practical electrical applications and includes checkpoints, self-tests, and a final examination with questions based on actual operator certification exams. Each chapter is illustrated by comprehensive figures, and particularly important key points are stressed where necessary. |
Table des matières
WHAT IS | 1 |
1 | 16 |
ELECTROMAGNETISM | 17 |
9 | 25 |
CONDUCTORS | 109 |
AC THEORY | 141 |
INDUCTANCE | 159 |
CAPACITANCE | 173 |
INDUCTIVE AND CAPACITIVE REACTANCE | 191 |
SelfTest | 201 |
PRACTICAL ELECTRICAL APPLICATIONS | 213 |
SelfTest | 238 |
APPENDIX | 249 |
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Expressions et termes fréquents
12 ohms 20 ohms a-c voltage alternating current amperes amps applied voltage armature atom battery branch capacitance capacitor Chapter charge circuit current circuit is equal circuit shown circular mils coil conductor connected in series copper core cuit current flow D-C CIRCUITS dielectric difference in potential direct current dry cell E₁ E₂ elec electric circuit electric current electrical energy electrolyte electromagnet Equation equivalent circuit equivalent resistance EXAMPLE flux fuse Geographic Pole IMPORTANT Note Important Point inductor insulation Key Point Kirchhoff's KIRCHHOFF'S VOLTAGE LAW lines of force load magnetic field magnetic materials negative Ohm's Law ohms ohms R₂ P₁ P₂ parallel circuit permeability phase plates polarity power dissipated Problem produced protons R₁ resis resistor rotating rotor schematic series circuit series-parallel circuit shown in Figure sine wave Solution solve tance total current total power total resistance voltage and current voltage drops voltage source volts water analogy watts wire zero