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سوپر مارکت اینورتر - مقدمه ای بر الکتریسیته بخش اول

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مقدمه ای بر الکتریسیته بخش اول

» نوع مطلب : آموزش‌ ،

از سری آموزش‌های شرکت زیمنس

"مقدمه ای بر الکتریسیته"

فهرست و مقدمه

Table of Contents

Introduction.................................................................................2

Conductors and Insulators........................................................3

Current, Voltage, and Resistance............................................6

Ohm’s Law............................................................................... 11

DC Circuits................................................................................13

Magnetism.................................................................................20

Alternating Current....................................................................23

Inductance and Capacitance...................................................30

Reactance and Impedance......................................................35

Series and Parallel R-L-C Circuits..........................................40

Power and Power Factor in an AC Circuit.............................43

Transformers..............................................................................47

Review Answers........................................................................53

Final Exam.................................................................................56

Introduction

Welcome to the first course in the STEP series,

Siemens Technical Education Program designed to prepare

our distributors to sell Siemens Industry, Inc. products more

effectively. This course covers Basics of Electricity and is

designed to prepare you for courses on Siemens Industry, Inc.

products.

Upon completion of Basics of Electricity you will be able to:

Explain the difference between conductors and insulators

Use Ohm’s law to calculate current, voltage, and

resistance

Calculate equivalent resistance for series, parallel, or

series-parallel circuits

Calculate voltage drop across a resistor

Calculate power given other basic values

Identify factors that determine the strength and polarity of

a current-carrying coil’s magnetic field

Determine peak, instantaneous, and effective values of an

AC sine wave

Identify factors that effect inductive reactance and

capacitive reactance in an AC circuit

Calculate total impedance of an AC circuit

Explain the difference between real power and apparent

power in an AC circuit

Calculate primary and secondary voltages of single-phase

and three-phase transformers

Calculate the required apparent power for a transformer

This knowledge will help you better understand customer

applications. In addition, you will be better able to describe

products to customers and determine important differences

between products.

After you have completed this course, if you wish to determine

how well you have retained the information covered, you can

complete a final exam online as described later in this course. If

you pass the exam, you will be given the opportunity to print a

certificate of completion from your computer.

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