THEORY, CONSTRUCTION, AND OPERATION

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PART ITHEORY, CONSTRUCTION, AND OPERATION1CHAPTER 1PRINCIPLES OF OPERATIONOF SYNCHRONOUS MACHINESThe synchronous electrical generator (also calledalternator) belongs to thefamily of electric rotating machines. Other members of the family are the direct-current (dc) motor or generator, the induction motor or generator, and a numberof derivatives of all these three. What is common to all the members of this fam-ily is that the basic physical process involved in their OPERATION is the conversionof electromagnetic energy to mechanical energy , and vice versa. Therefore, tocomprehend the physical principles governing the OPERATION of electric rotatingmachines, one has to understand some rudiments of electrical and 1 is written for those who are involved in operating, maintaining andtrouble-shooting electrical generators , and who want to acquire a better under-standing of the principles governing the machine s design and OPERATION , butwho do not have an electrical engineering background.

current (dc) motor or generator, the induction motor or generator, and a number of derivatives of all these three. What is common to all the members of this fam-ily is that the basic physical process involved in their operation is the conversion of electromagnetic energy to mechanical energy, and vice versa. Therefore, to

  Generators, Energy