At what speed will the induction motor run? Can the induction motor run at the synchronous spee why? If rotor runs at the synchronous spee then it will appear stationary to the rotating magnetic field and the rotating magnetic field will not cut the rotor.
So, no induced current will flow in the . Torque and Power Characteristics.
The synchronous electrical generator (also called alternator) belongs to the family of electric rotating machines.
What is common to all the members of this fam- ily is that .
Indian Institute of Technology Madras. Simple and rugged design, low-cost, low maintenance and direct connec- tion to an AC power source are the main advantages of. Electric Machinery (EM) induction motors have been specifically designed and manufactured for the most severe industrial applications, such as heavy duty fans , pumps, refiners, compressors, crushers and grinding mill drives.
The oxygen-free copper alloy cage bars are silver brazed into special milled.
Manufactured with different configurations regarding mounting, cooling method and degree of protection, they adapt to different operating and environmental conditions. Abstract The chapter deals with general description of an induction motor fol- lowed by different faults. First, construction of induction motor has been discussed.
Faults like rotor broken bar, mass unbalance, stator faults, single phasing, crawling, bearing faults, etc.
After studying this unit, the student will be able to. The characteristics of single phase induction motors are identical to 3-phase induction motors except that single phase induction motor has no inherent starting torque and some special ar- rangements have to be made for making it self starting. It follows that during starting period the single phase . In this (first) lesson of this module, the formation of rotating magnetic field in the air gap of an induction motor , is describe when the three-phase balanced winding of the.
IM), has been describe when the three -phase balanced winding of the stator is supplied with three-phase balanced voltage. The construction of the stator and two types of rotor − squirrel cage and . The foundation of vertical induction motor (Also the foundation of pump).
There must be no vibration, twisting, misalignment etc. A massive concrete foundation is preferred in order to minimize. In all its iterations, the induction motor induces magnetism that is leveraged to output rotary motion.
Wound rotor motors are an extremely versatile breed of induction motors. Wound rotor motors also can develop high starting torque at standstill - while . Motors for explosive atmospheres.
These Model Repair Specifications are intended to cover routine repair and rewind of low- voltage random-wound three-phase AC squirrel cage induction motors. For motors falling outside this description, the more comprehensive model specifications below . Low and high voltage three phase induction motors. M line - Squirrel cage rotor - Vertical.
Installation, Operation and Maintenance.
No comments:
Post a Comment
Note: only a member of this blog may post a comment.