pole is energized, the rotor torque is in the direction that will reduce reluctance. A generation action is made possible with unipolar current due to its operation on the negative slope of the inductance profile. Applications edit Analog electric meters. Cost effective compared to bushless DC motor in high volumes. The designed motor has a nine-phase concentrated winding to approximate the ideal rectangular stator current distribution. Design and operating fundamentals edit, the stator consists of multiple projecting (salient) electromagnet poles, similar to a wound field brushed DC motor.
The Switched Reluctance Motor (SRM) has been developed extensively during the past 15 years.
This thesis addresses the problem of obtaining 'maximum torque per ampere' from the motor.
Speed control by conventional method (PI Control) of Switched reluctance motor (SRM) has a slower response hence by introduced some non-linear control (anfis- it is neural network work as fuzzy.
Variable reluctance motors are poor performers when direct power line driven.
An electronic driven variable reluctance motor (Figure below) resembles a brushless DC motor without a permanent.
The rotor consists of soft magnetic material, such as laminated silicon steel, which has multiple projections acting as salient magnetic poles through magnetic reluctance. Advantages Simple construction- no brushes, commutator, or permanent magnets, no Cu or Al in the rotor. Download, about Company, a well experienced group of mentors is available to take project development, subject training, programming in various fields: Enginering (Electronics and Communications, Electrical, Computer Science, Mechanical, Civil, Bio- Medical IT (C, C, java, DOT Net, abap Arts and Others and Courses many. Cogging is the locking tendency of the rotor which can be minimized by skewing the rotor bars and not making the number of rotor slots equal to an exact multiple of the number of poles. Each slot of rotor is provided with rotor bar conductors made of aluminum or copper which are short circuited by a pair of end rings as in case of squirrel cage induction motor. The simplicity of the motor compensates for the drive electronics cost. Of Rotor Poles 1 1 2 (2 (s r) Pr 2 1 s 3 2(r s) 4 3 s Pr A typical phase inductance v/s rotor position wave form Fig.1 Technical Seminar Report Annual Year, Electrical and Electronics Department, sdmt, Ujire Page 7. Linear switched reluctance machines (lsrms) are an attractive alternative to linear induction or synchronous machines due to lack of windings on either the stator or rotor structure and absence of mechanical gears. The power driver must pull alternately high and low. Waveforms (a b) are applicable to the stepper motor version of the variable reluctance motor. The mangetic flux seeks the path of least reluctance, the magnetic analog of electric resistance. Electronic control solves this problem and makes it practical to drive the motor well above and below the power line frequency.