Synchronous Machines Items basic to be .ppt

Syn Motors

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Synchronous MachinesSynchronous Machines
ةينمازتلا تلالآا(ةينمازتلا تلالآا())

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REFERENCES
1- V.K Mehta, Rohit Mehta “Principles of Electrical Machines, First Edition”, S. Chand
& Company Limited, 2002. (
Chapters 10&11)
2- B.L. Theraja, A.K. Theraja, “Electrical Technology, Twenty-third Edition”, McGraw-
Hill, 2005.(
Volume II (AC & DC Machines, Chapters 37 & 38)
3- Stephen J. Chapman, “Electric Machinery Fundamentals, Fifth Edition”, McGraw-
Hill, 2012. (
Chapters 4&5)
4- E. Fitzgerald, Charles Kingsley, Jr. and Stephen D. Umans, “Electric Machinery,
Sixth Edition”, McGraw-Hill, 2003. (
Chapter 5)

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Synchronous MachinesSynchronous Machines
1. Introduction1. Introduction
22 . .Types Of Synchronous MachinesTypes Of Synchronous Machines
33 . .Construction of Construction of AlternatorAlternator
44 . .Speed and FrequencySpeed and Frequency
5. Alternator Operation5. Alternator Operation
66 . .E.M.F. Equation of an AlternatorE.M.F. Equation of an Alternator
77 . .Armature Reaction in AlternatorArmature Reaction in Alternator
88 . .Equivalent Circuit of Cylindrical-Rotor MachinesEquivalent Circuit of Cylindrical-Rotor Machines
99 . .Phasor Diagrams of Unsaturated Cylindrical-Rotor TypePhasor Diagrams of Unsaturated Cylindrical-Rotor Type
This chapter includes forty one topics, which are:
Synchronous Generators

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1010 . .Synchronous Machine CharacteristicsSynchronous Machine Characteristics
10.1 Open Circuit Characteristic
(O.C.C)

10.2 Short Circuit Characteristic
(S.C.C)
10.3 Zero-Power-Factor Characteristic
(Z.P.F.C)
11. Voltage Regulation11. Voltage Regulation
11.1 The Synchronous Impedance Method
11.2 Rothert’s M.M.F or Ampere Turn Method
11.3 Zero Power Factor Method
(Potier Method)
1212 . .Operation of a Salient Pole Synchronous MachineOperation of a Salient Pole Synchronous Machine
1313 . .Effect of Salient PolesEffect of Salient Poles
1414 . .Two-Reactance Concept for Salient-Pole MachinesTwo-Reactance Concept for Salient-Pole Machines
1515 . .Power and Torque in Cylindrical-Rotor MachinesPower and Torque in Cylindrical-Rotor Machines
1616 . .Power and Torque in Salient-Pole MachinesPower and Torque in Salient-Pole Machines
1717 . .Power angle characteristicPower angle characteristic

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1818 . .Parallel Operation of AlternatorsParallel Operation of Alternators
18.1 Advantages of Parallel Operation of Alternators
18.2 Conditions for Paralleling Alternator with Infinite Busbars
18.3 Methods of Synchronization
19. Synchronizing Action19. Synchronizing Action
( i )Effect of speed change
(
ii) Effect of inequality of e.m.f.s.
2020 . .Synchronizing Power and Torque of Synchronous MachinesSynchronizing Power and Torque of Synchronous Machines
2121 . .Effect of Load on Synchronizing PowerEffect of Load on Synchronizing Power
2222 . .Sharing of Load Currents by Two Alternators in ParallelSharing of Load Currents by Two Alternators in Parallel
2323 . .Alternator on Infinite Busbars
(
Alternator on Infinite Busbars
(
Distribution of LoadDistribution of Load))
(
a) Effect of Change in Excitation
(
b) Effect of Change in Steam Supply

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Synchronous Motors
2424 . .IntroductionIntroduction
2525 . .ConstructionConstruction
2626 . .Operating PrincipleOperating Principle
2727 . .Making Synchronous Motor Self-StartingMaking Synchronous Motor Self-Starting
2828 . .Equivalent CircuitEquivalent Circuit
2929 . .Motor on LoadMotor on Load
3030 . .Pull-Out TorquePull-Out Torque
3131 . .Motor Phasor DiagramMotor Phasor Diagram
3232 . .Effect of Changing Field Excitation at Constant LoadEffect of Changing Field Excitation at Constant Load
3333 . .Phasor Diagrams With Different ExcitationsPhasor Diagrams With Different Excitations
3434 . .Power RelationsPower Relations

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35. Motor Torque35. Motor Torque
3636 . .Mechanical Power Developed By MotorMechanical Power Developed By Motor
3737 . .Power Factor of Synchronous MotorsPower Factor of Synchronous Motors
3838 . .Synchronous CondenserSynchronous Condenser
3939 . .Applications of Synchronous MotorsApplications of Synchronous Motors
4040 . .Steady-State Operating CharacteristicsSteady-State Operating Characteristics
40.1 Load Characteristics
40.2 Field Compounding Characteristics
40.3 V-Curves of Synchronous Motor
4141 . .Comparison of Synchronous and Induction MotorsComparison of Synchronous and Induction Motors