Dc Series Motor Operations Ppt

Applications of DC Motor [ Series, Shunt & Compound Motor ...

Introduction. D.C motor is an electrical motor which only runs on dc supply. The traditional DC motor needs two current supplies, one through the stator windings to provide the magnetic field and the other through the rotor windings to interact with the magnetic field to generate the motive force. Currently, series, shunt, and compound motors are used which require only one voltage supply. dc ...

Voltage Equation, Back EMF, Power Equation of DC Motor ...

Sep 13, 2019· That is why no DC motor is designed and operated to deliver maximum power. Working Principle of DC Motor with Single Loop Model; Torque in DC Motor (Armature Torque and Shaft Torque) Voltage Equation, Back EMF, Power Equation of DC Motor; Characteristics of DC Motors (Shunt, Series & Compound) Losses of DC Motor and Efficiency of DC Motor

Series Wound DC Motor

Jul 12, 2020· The principle of operation of DC series motor. Initially, when we connect a voltage source to the motor, a high amount of current is produced because the resistance of both armature and field windings is small. In the same way, this high current produces a strong magnetic field.

Construction and Principle of Operation of the Shunt DC Motor

The DC Shunt-wound motor, running on Direct current, has its field windings placed in parallel to the armature. In Electrical terms, parallel is generally denoted as shunt. That is the reason behind naming it a DC Shunt motor. Same voltage is applied to both shunt winding and armature in this motor. This parallel configuration allows independent path of current for field winding and armature.

AC Motors | Principle of Operation | Resources for ...

AC Motors: Principle of Operation. Universal Motors. A universal motor is a single-phase series motor, which is able to run on either alternating current (ac) or direct current (dc) and the characteristics are similar for both ac and dc. The field windings of a series motors are connected in series with the armature windings

Principle of operation of DC Generator – Electrical Shouters

Oct 04, 2018· Nevertheless, an understanding of DC generator is important because it represents a logical introduction to the behavior of DC motors. In this chapter, we shall deal with various aspects of DC generators. Principle of operation of DC Generator-An electrical generator is a machine that converts mechanical energy into electrical energy.

DC Motor Introduction, Principle and Working - My Tech Info

Dec 07, 2014· Therefore, it's not stunning to notice that for industrial drives, DC motors are as common as 3-phase induction motors. Similar to DC generators, DC motors are also classified into 3 kinds; they are series-wound, shunt-wound and compound- wound. The employment of a specific motor depends upon the mechanical load it's to drive.

DC Generator: Construction, Working Principle,Types, and ...

The self-excited DC generator or shunt DC generator is used for power as well as ordinary lighting using the regulator. It can be used for battery lighting. The series DC generator is used in arc lamps for lighting, stable current generator and booster. Compound DC generator is used to provide the power supply for DC welding machines.

Fundamentals of motor control - STMicroelectronics

The electric motor operation is based on the following points: • At least one of the two magnetic field is generated by a solenoid carrying a current. • Phase relation between the rotor and stator magnetic field (i.e. the load angle) must be always greater than 0° in order to keep the motor in motion (negative angles reverse the rotation).

DC Machine - Construction, Working, Types, EMF Equation ...

A DC machine is an electromechanical energy alteration device. The working principle of a DC machine is when electric current flows through a coil within a magnetic field, and then the magnetic force generates a torque which rotates the dc motor. The DC machines are classified into two types such as DC generator as well as DC motor.

DC Series Motor – Operation and Characteristics

Nov 01, 2019· DC Series Motor – Operation and Characteristics. November 1, ... Definition: A DC series motor is a machine that is used at a place where high torque operating conditions are required. It is a machine whose winding is associated in series with the armature winding of the motor.

DC Motor Starters Selection Guide | Engineering360

A DC motor's starting current can be determined by examining the relationship between the motor's speed, counter-electromotive force (CEMF), supply voltage, armature current, and armature resistance. A motor's operational voltage can be expressed using the following formula: where: E=voltage. E b =counter-electromotive force. I a =armature current

What is the application of a DC series motor? - Quora

Sep 26, 2017· The series wound motor has only one voltage supply to the motor and the field winding is connected in series with the rotor winding. They are employed where high initial torque is required and low speed applications. used when cost is the major co...

Plugging, Regenerative Braking of DC Motor - My Tech Info

Jan 05, 2015· The fig below shows that the plugging of a DC Shunt Motor.In this technique the motor inclines to rotate in opposite direction by reversing the armature connection, hence given that the essential breaking effect. If the motor comes to initial position the supply connection should be disconnected otherwise the will continuously rotates in opposite direction.

Electric Motors and Generators ppt

Universal Motors : Universal Motors While most motors operate from either AC or DC, some can operate from either These are universal motors and resemble series-wound DC motors, but are designed for both AC and DC operation typically operate at high speed (usually > 10,000 rpm) offer high power-to-weight ratio ideal for portable equipment such ...

Dc motor - Share and Discover Knowledge on SlideShare

Jul 04, 2013· Types of DC Motor: • Classification of the d.c. motor depends on the way of connecting the armature and field winding of a d.c. motor: 1. DC Shunt Motor 2. DC Series Motor 3. DC Compound Motor Short shunt compound long shunt compound Cumulative Differential Cumulative Differential compound compound compound compound motor motor motor motor 18.

Construction and Principle of Operation of DC Series Motor

Basic DC Motor Operation Induced Torque: ... Equivalent Circuit of Series Motor 2 ... Microsoft PowerPoint - DC MOTOR.ppt Author: eebag Created Date: 4/3/2008 10:13:46 AM ...

(PDF) DC Motors - ResearchGate

May 03, 2019· Ex ample 4: A 240 V short shunt com pound DC motor, series resistance (0.09 Ω), shunt resistance (80 Ω), armature resistance (0.11 Ω), the so urce supplied current equal

Four Quadrant Operation of Motor Drive | Forward Motoring ...

Motor can provide motoring and braking operations for both forward and reverse directions. Figure 2.2 shows the torque and speed coordinates for both forward (positive) and reverse (negative) motions of Four Quadrant Operation of Motor Drive. Power developed by a motor …

Types of DC Motor - Shunt, Series & Compound Wound …

The self-excited motors are further classified as Shunt wound or shunt motor, Series wound or series motor and Compound wound or compound motor.. The dc motor converts electrical power into mechanical power. The construction of the dc motor and generator are the same.

Starting methods of a DC motor | electricaleasy.com

Basic operational voltage equation of a DC motor is given as E = E b + I a R a and hence, I a = (E - E b) / R a Now, when the motor is at rest, obviously, the back emf E b = 0. Hence, armature current at the moment of starting can be given as I a = E / R a.In practical DC machines, armature resistance is basically very low, generally about 0.5 Ω.Therefore, a large current flows through the ...

Series Wound DC Motor or DC Series Motor

Jul 11, 2019· 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 placed in between north pole and south pole of a permanent or an electromagnet as shown in the diagram above. As soon as we supply direct current in the armature, a mechanical force acts on it due to the …

Study Electrical: Working Principle of DC Motor

Feb 10, 2019· There is no basic difference in the construction of a DC generator and a DC motor.. In fact, the same DC machine can be used interchangeably as a generator or as a motor. Like generators, there are different types of DC motors which are also classified into shunt-wound, series-wound and compound-wound dc motors.. DC motors are seldom used in ordinary applications because all …

AC Motors

Jul 12, 2020· AC series motor or the universal motor is an electric motor that operates in either Ac or Dc power at the same speed and output. Also, Ac series motor is a modified Dc series motor. What does this mean; it means that we modify the DC series motor to …

Basic construction and working of a DC Generator ...

Working principle of a DC generator: According to Faraday's laws of electromagnetic induction, whenever a conductor is placed in a varying magnetic field (OR a conductor is moved in a magnetic field), an emf (electromotive force) gets induced in the conductor.The magnitude of induced emf can be calculated from the emf equation of dc generator.If the conductor is provided with a closed path ...

4 Types of DC Motors and Their Characteristics

Nov 17, 2019· 2. Series Motors Series DC motor. In a series DC motor the field is connected in series with the armature.The field is wound with a few turns of large wire because it must carry the full armature current. A characteristic of series motors is the motor develops a large amount of starting torque. However, speed varies widely between no load and ...

What is a DC Machine? Basic structure & Equivalent circuit ...

A DC generator converts mechanical power (ωT) into DC electrical power (EI), whereas, a DC motor converts d.c electrical power into mechanical power. The AC motor is invariably applied in the industry for conversion of electrical power into mechanical power, but at the places where the wide range of speeds and good speed regulation is required ...

DC Motors - University of Rajshahi

DC Motor Principle A machine that converts dc power into mechanical energy is known as dc motor. Its operation is based on the principle that when a current carrying conductor is placed in a magnetic field, the conductor experiences a ... Series Motor: It is a variable speed motor i.e. speed is low at high torque and vice versa. This motor is

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