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3 Working of a DC Motor How it Works An elementary model is shown here in fig a to understand the working in easy way • Invariably all dc motors consist of a set of magnetic poles North and south to create magnetic field shown in fig b •All dc motor consist of windings represented by a single loop in this model for simplicity fig c
A DC motor is an electrical device that converts direct current DC electrical energy into mechanical energy It is commonly used in a variety of applications ranging from household appliances to industrial machinery
यह एक मोटे बेलन के आकार का कास्ट आयरन तथा उच्च किस्म के सिलिकॉन के मिश्रा धातु से बना हुआ रॉड होता है जिसके ऊपरी भाग पर एक दूसरे के समांतर स्लॉट बनाए गए
In the construction where the common of two poles are divided however center tapped this stepper motor includes six leads If the two pole center taps are short inside then this motor includes five leads Unipolar with 8 leads will facilitate both series & parallel connection while the motor with five lead or six lead has stator coil s
4 Related Post DC Machine Construction Working Types and Applications; Types of Synchronous Motors The synchronous motor is mainly classified into two categories based on rotor magnetization DC Excited Motor In such synchronous motor a DC source is used to excite its rotor through a slip ring The rotor includes field winding that is
Construction of Reluctance Motor The construction of this motor is shown below The designing of this can be done by removing the teeth in four locations to form a four pole structure The rings at two ends are short circuited Once the stator of the motor is aligned to a single phase supply the motor works like a single phase induction motor
Fig 3 Construction and working principle of Electric Vehicle EV Basically electric vehicle is necessary for saving fossil fuel The figure shows the simple construction of electric vehicle It consists of battery motor controller motor which is connected to the transmission system Here battery is the
DC motors play a crucial role in modern industry Understanding the working principle of a DC motor which we explore in this article begins with its fundamental single loop construction The very basic construction of a DC motor contains a current carrying armature connected to the supply end through commutator segments and brushes The armature is
What Is The Working Principle of An Electric Motor The working of an electric motor is based on the fact that a current carrying conductor produces a magnetic field around it
The strategy undoubtedly speeds up the construction but it has to be recognised that when a bodyshell uses several dissimilar products they often have different rates of expansion Accordingly if adjoining panels are subjected to strong sunshine their rates of expansion may differ In some instances that can cause gaps to appear
5 This type of construction is shown in Figure 8 Figure 8 Larger size armature core construction in DC Motor The advantage of this method of construction is a saving in the amount of material used and a consequent saving in weight In addition a flow of air through the holes left around the spider gives greatly increased cooling Commutator
The construction of a universal motor is similar to that of a series wound DC motor A universal motor incorporates some modification that allows it to operate either on AC or DC supply Construction of a Universal Motor A universal motor consists of a stator on which the field poles are mounted Field coils are wound around the field poles
Construction of a DC Motor The construction of a DC motor follows the same principle as the example of the simple motor discussed above However large DC motors use a field coil instead of permanent magnets to create the stator s magnetic field In this section we discuss the different components of a generic DC motor
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The construction of these windings in the DC motor is two types like Lap & Wave Yoke A magnetic frame like a yoke is designed with cast iron or steel sometimes It works like a guard Poles Poles in the motor include two main parts like the pole core as well as pole shoes These essential parts are connected together through hydraulic force
2 DC Shunt Motors Construction Stator • Generally the outer stationary part is stator consist of Frame or yoke inside which pole shoes are bolted projecting Inwards • Main fields bigger ones are always in even number or in number of pairs • Inter poles smaller ones are also built in even number or in number of pairs • One each pole shoe cropper or aluminum
Fig 5 Performance characteristics of a typical ac servo motor Applications of AC Servo motor Because of their ruggedness light in weight construction high torque to weight ratio reliability freedom from radio noise and the simplicity of their driving circuits ac servo motors are widely used particularly in instrument servos computers tracking and guidance
सिंगल फेज मोटर का Construction Simple तथा आसान होता है। सिंगल फेज मोटर को आसानी से रिपेयर तथा मेन्टेन किया जा सकता है।
Fig 5 Performance characteristics of a typical ac servo motor Applications of AC Servo motor Because of their ruggedness light in weight construction high torque to weight ratio reliability freedom from radio noise and the simplicity of their driving circuits ac servo motors are widely used particularly in instrument servos computers tracking and guidance
This is an induction motor which is also known as the asynchronous motor runs at speed less than its synchronous speed and the rotating torque and speed is governed by varying the slip which gives the difference between synchronous speed N s and rotor speed N r It runs governing the principle of EMF induction due to varying flux density Hence the name
A servo system mainly consists of three basic components a controlled device an output sensor and a feedback system This is an automatically closed loop control system
2 It is mainly divided into two types based on the construction of its rotor Related Posts Single Phase Induction Motor Construction Working Types & Applications; Three Phase Induction Motor Construction Working Types & Applications; Squirrel Cage Induction Motor The rotor of such an induction motor resembles a squirrel cage
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