Safety information 1 description 2 transport, assembly, and connection 3 startup 4 operation 5 faults 6 maintenance 7 spare parts 8 notes 9 threephase induction motor. A 3 phase induction motor has two main parts i stator and ii rotor. Three phase induction motor construction and working principle. How does three phase induction motor works construction and. Threephase induction motor operating instructions 1ph722. The rotor is separated from the stator by a small airgap which ranges from 0. A portion of rotating magnetic field in a three phase. You should also make a dc measurement of stator winding linetoline resistance.
Almost 80% of the mechanical power used by industries is provided by three phase induction motors because of its simple and rugged construction, low cost, good operating characteristics, the absence of commutator and good speed regulation. A 3 phase induction motor can be used for different applications with various speed and load requirements. This paper explores the construction process of a linear induction motor lim, the basic concepts behind key aspects of linear induction machines construction and the testing process of a working. Record all nameplate information for the induction motor. Pdf construction of three phase linear induction motor. Watch this video to understand the working principals of the three phase induction motors.
Three phase ac induction motors are widely used in industrial and commercial applications. There are two types of 3phase induction motor based on the type of rotor used. Induction motors are by ac switchboard and it is a. Squirrel cage and slipring or wound rotor induction motor. When three phase stator winding of an induction motor is energized from a 3 phase supply, a rotating magnetic field is set up which rotates around the stator at synchronous speed ns. These motors are selfstarting and use no capacitor, start winding, centrifugal switch or other starting device. Explain the construction, working principle and types of three phase induction motor. In three phase induction motor, the power is transferred from stator to rotor. A simple explanation of how a 3 phase induction motor works. In the case of three phase ac alternating current operation, the most widely used motor is a 3 phase induction motor, as this type of motor does not require an additional starting device. The rotor will constantly be turning to align its magnetic field with that of the stator field. The three phase induction motor is the most widely used electrical motor. Construction of three phase induction motor electrical4u. The working of the threephase induction motor is based on the principle of electromagnetic induction.
An electrical motor is an electromechanical device which converts electrical energy into mechanical energy. The basic idea of an electric motor is to generate two magnetic fields. Learn what a three phase induction motor is, how it is constructed, and its working. Advantages and disadvantages of 3 phase induction motors. Construction and working of 3 phase induction motor on ship. The topic lies under the basic electrical and electronics engineering course that. Three phase induction motor construction and working 3d animation video. The 3 phase set of currents, each of equal magnitude and with a phase. They run at a constant speed from noload to the full load. Single phase induction motor working in hindi duration. We also discuss the construction of a three phase motor including its.