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LAB MANUAL - vvitengineering

EE6411-ELECTRICAL MACHINES I1 VVIT DEPARTMENT OF EEED harmapuri 636 703 Regulation: 2013 & Semester: II Year / IVSemesterEE6411-ELECTRICAL MACHINESLABORATORY ILAB MANUALEE6411-ELECTRICAL MACHINES I2 VVIT DEPARTMENT OF EEEANNA UNIVERSITY-CHENNAI2013-REGULATIONEE6411- ELECTRICAL MACHINES LABORATORY ILIST OF circuitand load characteristics of DC shunt generator-critical resistance characteristics of DC compound generator with differential test on DC shunt and compound test on DC series s test and speed control of DC shunt s test on DC motor generator test on single-phase transformer and three phase circuit and short circuit tests on single phase Test and Sumpner stest on single phase of no-load losses in single phase of starters and 3-phase transformers connectionsTOTAL.

Armature and field winding are in parallel connection Series: Armature and field winding are in series connection Compound: It is combination of both series and shunt type. In electrical engineering, electric machine is a general term for electric motors and electric generators. They are electromechanical energy converters.

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226 COMPUTER PRACTICES LAB) - vvitengineering

vvitengineering.com

Mail merge and Letter preparation 6 Drawing flowchart MICROSOFT EXCEL 7 Spread sheet chart ... Open a Microsoft Excel Worksheet. Step 2: Place the Cursor on the desired cell and start entering the required ... SPREAD SHEET FORMULA EDITOR AIM: To create a spreadsheet to calculate HRA , DA, TA, PF, LIC. Gross Salary , Net ...

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CHAPTER 11

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The rotor contains the armature winding, which is the high-power winding of the DC machine. The slots in the lamination provide space for the armature coil. When operating as a generator, the armature winding is rotated through the field, generating a DC voltage that is delivered to the load. For motor operation, the armature winding

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winding resistance respectively; V is the input voltage, as the control input; Laf is the mutual inductance between the armature winding and the field winding, generally non-linear due to saturation; J is the inertia of the motor, includ ing the gearing system and the tyres; B is the

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As the rotor moves within the stator, the field induces voltage in the armature winding of the machine. This voltage is called the generated voltage in a generator and the back EMF in a motor. Its magnitude is directly proportional to the speed of the rotor, the strength of the field, and the effective turns of the armature.

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COMPETENCY BASED CURRICULUM ELECTRICIAN

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May do armature winding, draw wires and cables and do simple cable jointing. May operate, attend and maintain electrical motors, pumps etc. Electrical Fitter; fits and assembles electrical machinery and equipment such as motors, transformers, generators, switchgears, fans etc., Studies drawings and wiring diagrams of ...

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dept.ru.ac.bd

winding is connected in series with the armature. Therefore, series field winding carries the armature current. Since the current passing through a series field winding is the same as the armature current, series field windings must be designed with much fewer turns than shunt field windings for the same mmf.

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Relay symbols and device numbers; selection from IEC 617 ...

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field, a machine armature, a capacitor, or a reactor. Note: This excludes devices that perform such shunting operations as may be necessary in the process of starting a machine by devices 6 or 42, or their equivalent, and also excludes device 73 function that serves for the switching of resistors. 18 Accelerating or decelerating

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