3 Phase Motor Running on Single Phase Power Supply

Three phase asynchronous AC motor is widely used in industrial and agricultural production due to its simple structure, low cost, easy maintenance and easy operation. 3-phase AC motor uses 3 phase power supply (3 ph 220v, 380v, 400v, 415v, 480v etc.), but in some actual applications, we have single phase power supplies only (1 ph…

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Classification of Electrical Motors

Do you know how many types of electrical motors are there? Read to know about these motors which are commonly used in households as well as different industries Classification Based On Principle Of Operation: (a) Synchronous Motors. 1. Plain 2. Super (b) Asynchronous Motors. 1. Induction Motors: (a) Squirrel Cage (b) Slip-Ring (external resistance). 2….

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How to calculate cable size for LT Motors

What is the difference between LT and HT Motors? Well, as the word LT (Low Tension i.e. Low Voltage) and HT (High Tension i.e. High Voltage) or low torque and high torque respectively describe the whole story itself. its also depends on the availability of supply voltage, i.e. in USA and EU, LT Motors ranges…

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Motor Protection System

The electric motor is most essential drive in modern era of industrialization. From fractional HP AC motor used for different home appliances to giant synchronous motor and induction motor of up to 10,000 HP are used for different industrial applications. It should be protected against different electrical and mechanical faults for serving their purposes smoothly. The motor…

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Difference between Star and Delta connection of Motor

Star and Delta connection: Difference between star and delta connection are explained considering various factors like the basic definition of the connections, the existence of a neutral point, the connection of the terminals, the relation between line current and phase current and also between line voltage and phase voltage, speed, its insulation level, number of…

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Stepper Motor working principle

Stepper motor is a special type of synchronous motor which is designed to rotate a specific number of degrees for every electric pulse received by its control unit. Typical steps are 7.5 or 15 degree per pulse. It is a motor that can rotate in both directions, move in precise angular increments, sustain a holding…

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Main Parts of Motor

Main Parts of Motor  Motor is an electrical machine that converts electrical energy into mechanical energy. Motors work through the principles of electromagnetism. If you run electricity through a wire, it creates a magnetic field. If you coil the wire around a rod and run electricity through the wire, it creates a magnetic field around…

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Preventive Maintenance of 3 phase induction Motor

PREVENTIVE MAINTENANCE Most electrical equipment requires planned inspection and maintenance to keep it in proper working condition. Periodic inspections prevent serious damage to machinery by locating potential trouble areas. Observant personnel will make full use of their senses to diagnose and locate problems in electrical machinery: the sense of smell directs attention to burning insulation;…

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Differences between Synchronous Motor and Induction Motor

  AC motors can be categorized into two types: asynchronous motor and synchronous motor. An asynchronous motor is also called as induction motor. The two types are very different from each other. This paper is focused on the differences between an induction motor and a synchronous motor. Difference on Construction Induction motor: the stator winding…

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