Three Phase Induction Motor
Subject and UNIT: Electrical Machines II: UNIT III: b. Circle Diagram Engineering Electrical Machines - II
Thus the resultant of parallel branches j X0 and (R2/s + j X2 )is almost equal to j X0.
Induction Motor
Subject and UNIT: Electrical Machines II: UNIT III: b. Circle Diagram Engineering Electrical Machines - II
By using the data obtained from the no load test and the blocked rotor test, the circle diagram can be drawn using the following steps
Three Phase Induction Motor
Subject and UNIT: Electrical Machines II: UNIT III: b. Circle Diagram Engineering Electrical Machines - II
The data required to draw the circle diagram is obtained by conducting two tests which are, 1. No load test or open circuit test 2. Blocked rotor test or short circuit test Let us discuss these tests in detail.
Subject and UNIT: Electrical Machines II: UNIT III: b. Circle Diagram Engineering Electrical Machines - II
The I2r will be at its maximum when Rie + RL = 0 i-e., there exists an ideal short circuit. Hence current Imax is called ideal short circuit current of an induction motor.
Subject and UNIT: Electrical Machines II: UNIT III: b. Circle Diagram Engineering Electrical Machines - II
It is excited by an alternating source of V volts. The frequency of the source is f Hz.
Circle Diagram | Three Phase Induction Motor
Subject and UNIT: Electrical Machines II: UNIT III: b. Circle Diagram Engineering Electrical Machines - II
The locus of the extremity of the current phasor, obtained for various values of a variable element is called a locus diagram.
Three Phase Induction Motor | Electrical Machines
Subject and UNIT: Electrical Machines II: UNIT III: b. Circle Diagram Engineering Electrical Machines - II
Engineering Electrical Machines - II : UNIT III : Three Phase Induction Motor : Syllabus, Contents
Three Phase Induction Motor | Electrical Machines
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
Engineering Electrical Machines - II : UNIT III : Three Phase Induction Motor : Anna University Questions with Answers (Long Answered Questions)
Three Phase Induction Motor | Electrical Machines
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
Engineering Electrical Machines - II : UNIT III : Three Phase Induction Motor : Anna University Two Marks Questions & Answers
Three Phase Induction Motor | Electrical Machines
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
Engineering Electrical Machines - II : UNIT III : Three Phase Induction Motor : Anna University Two Marks Questions & Answers
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
Comparison of Synchronous and Induction Motor
Operation Working Principle, Performance Characteristics, Advantages, Disadvantages, Applications
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
The synchronous motor gives constant speed where as induction motors can be started against full load torque.