The three phase induction motor is the most widely used electrical motor. An induction motor also known as an asynchronous motor is a commonly used ac electric motor. We also discuss the construction of a three phase motor including its. The conductors are heavy copper or aluminum bars fitted in each slot and shortcircuited by the end rings. The video highlights details regarding the construction of three phase induction motor. Pdf construction of three phase linear induction motor. A successful salesman for general electrics motor division once remarked to one of your instructors that, when asked by a customer how a motor. Construction of three phase induction motor electrical4u.
Read online three phase induction motor book pdf free download link book now. An electrical motor is a device that has brought about one of the biggest advancements in the fields of engineering and technology ever since the invention. Pdf performance study of threephase induction motor driving a load. Threephase induction motor pdf book manual free download. So, now principle of induction motor right so, the operation of three phase. This final thesis will mostly be dedicated to induction motors but also to synchronous permanent magnet and reluctance motors. For design class a, typical applications for this type are driving fans, blowers. Applications of threephase induction motors of size varying from half a kilowatt to thousands. 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, absence of commutator and good speed regulation. The friction and windage losses are 600 w, the core losses are 1800 w, and the stray losses are negligible. A 220 v, 2hp, 4 pole, 50 hz three phase induction motor, 3628 stator and rotor. The stator copper losses are 2 kw, and the rotor copper losses are 700 w.
They run at a constant speed from noload to the full load. When we connect the primary winding, or the stator to a 3 phase ac. A simple explanation of how a 3 phase induction motor works. The three phase induction motors are simple in construction, rugged, low cost and easy to maintain. Download three phase induction motor book pdf free download link or read online here in pdf. The stator of the motor consists of overlapping winding offset by an electrical angle of 120o. Pdf design of a three phase induction motor based on efficiency. Speed torque characteristics of 3 phase induction motor duration. For reason of economy, most houses, offices and also rural areas are supplied with single phase a. All books are in clear copy here, and all files are secure so dont worry about it. This site is like a library, you could find million book here by using search box in the. The video tutorial is essentially a part of the basic electrical and electronics engineering.
Construction of three phase induction motor like any electric motor, a 3phase induction motor has a stator and a rotor. Design and analysis of three phase induction motor using computer program. 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. The rotor of three phase induction motor consists of a cylindrical laminated core with parallel slots that can carry conductors. Learn a brief history of the electrical power systems construction. Pdf design and analysis of three phase induction motor. A 480v, 60 hz, 50hp, three phase induction motor is drawing 60 a at 0. There are two types of induction motors, one with wound type rotor, also called slipring motor and another one with squirrelcage rotor. 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. Be careful it can hurt to tangle with a three phase motor. Threephase induction motor operating instructions 1ph722.