• No results found

adjustable speed DC motor drives

IMPROVED PERFORMANCE OF AN ADJUSTABLE SPEED DRIVES DURING VOLTAGE SAG CONDITION

IMPROVED PERFORMANCE OF AN ADJUSTABLE SPEED DRIVES DURING VOLTAGE SAG CONDITION

... The motor/generator draws power provided by the grid to keep the rotor of the flywheel ...to DC electric energy by the generator, and the energy is delivered at a constant frequency and voltage through an ...

11

Control Strategies for BLDC Motor

Control Strategies for BLDC Motor

... of adjustable speed ...electronic motor drivers over the next five years ...electric motor technologies such as single phase AC induction, including split phase, capacitor-start, capacitor–run ...

11

Performance Evaluation of Adjustable Speed Drives with DSTATCOM

Performance Evaluation of Adjustable Speed Drives with DSTATCOM

... Figure.1 shows the block diagram of the system with DSTATCOM connected in shunt configuration. Nonlinear load on the system is modelled in the form of adjustable speed drive feeding induction motor ...

8

ADJUSTABLE SPEED CONTROL OF INDUCTIONMOTOR USING VARIABLE FREQUENCY DRIVES

ADJUSTABLE SPEED CONTROL OF INDUCTIONMOTOR USING VARIABLE FREQUENCY DRIVES

... the DC current from rectifier on & off to produce a current or voltage waveform at the required new ...switch DC voltage at high speed, producing a series of short width pulses of constant ...

12

FAULT TOLERANT CONTROL OF ADJUSTABLE SPEED SWITCHED RELUCTANCE MOTOR DRIVES

FAULT TOLERANT CONTROL OF ADJUSTABLE SPEED SWITCHED RELUCTANCE MOTOR DRIVES

... switched DC voltages that established the current pulses into the windings of the different phases according to control signals from the ...the motor could be controlled by varying the amplitude and the ...

9

Automatic Motor Detection and Control System (A.M.D.A.C.S.)

Automatic Motor Detection and Control System (A.M.D.A.C.S.)

... AC motor drives are widely used to control the speed of conveyor systems, blower speeds, pump speeds, machine tool speeds, and other applications that require variable speed with variable ...a ...

6

Voltage Sag Ride-Through for Adjustable Speed Drives in Industrial Systems

Voltage Sag Ride-Through for Adjustable Speed Drives in Industrial Systems

... across DC-Link to provide ride-through. At the terminals of three-phase motor observations are also taken to check the effect of various power quality ...

14

Optimization Speed Control of DC Separately Excited Motor Using Tuning Controller of Linear Quadratic Regulator (LQR) Technique

Optimization Speed Control of DC Separately Excited Motor Using Tuning Controller of Linear Quadratic Regulator (LQR) Technique

... DC motor are widely used in applications requiring adjustable speed, good speed regulations and frequent starting, braking and ...excellent speed control characteristics, the ...

5

Speed Control of DC Motor Using MOSFET Based Chopper

Speed Control of DC Motor Using MOSFET Based Chopper

... Abstract-The dc motor is the backbone of industrial applications. The dc motors are used as an adjustable speed machine for this wide range of option is ...of dc motors are ...

5

Development Of A PI Speed Controller For DC Motor Drive Using Rabbit Microprocessor

Development Of A PI Speed Controller For DC Motor Drive Using Rabbit Microprocessor

... Adjustable speed drives may be operated over a wide range by controlling armature or field ...excitation. Speed below rated is controlled by armature voltage control and above rated using ...

24

Direct Torque Control with Sliding mode Feedback Linearization for SVM Inverter Fed Induction Motor Drives

Direct Torque Control with Sliding mode Feedback Linearization for SVM Inverter Fed Induction Motor Drives

... Induction Motor (IM) ...logic speed controller is ...achieve speed control. The fuzzy logic controller replaces the PI speed controller in the proposed scheme to ensure fast speed ...

10

Speed Control of Brushless DC Motor Drives by Using Hybrid Fuzzy Controllers
C Sunil & S Bharathi

Speed Control of Brushless DC Motor Drives by Using Hybrid Fuzzy Controllers C Sunil & S Bharathi

... measure speed, Timer 2 to generate 20-kHz PWM signal, measure the reference and actual speeds, compute controller output, and initiate control action by changing the duty cycle of the IGBT ...the speed of ...

9

Control Strategy for Symmetrical Multi Level Inverter Fed Modular BLDC Motor Drive using Low Frequency modulation Technique

Control Strategy for Symmetrical Multi Level Inverter Fed Modular BLDC Motor Drive using Low Frequency modulation Technique

... modular motor drive. In this design, a common shaft is used for all motor modules and every motor module has separate stator and rotor, as shown in the Fig ...each motor module, so that ...

9

A four quadrant adjustable speed drive for series wound DC motors

A four quadrant adjustable speed drive for series wound DC motors

... The inductor value selection guides in Figure 3 through Figure 7 were designed for buck regulator designs of the continuous inductor current type. When using inductor val- ues shown in the inductor selection guide, the ...

152

PC Based DC Motor Speed Controller

PC Based DC Motor Speed Controller

... electrical DC motor and speed ...of DC motor. How the DC motor will be operating and how the speed motor will control the ...

24

A four quadrant adjustable speed drive for series wound DC motors

A four quadrant adjustable speed drive for series wound DC motors

... the motor in one polarity, and S3 and S2 the ...the motor is reversed, it will reverse the voltage across both the armature and the field, so the motor will continue spinning the same way! This is ...

128

Design and Analysis of Soft Switching Variable Speed Drive

Design and Analysis of Soft Switching Variable Speed Drive

... variable speed drive systems which are not only in the smaller in size but also very efficient, highly reliable and meeting all the stringent demands of various industries of modern ...controlling DC ...

9

DC Shunt Motor Control using Wavelet Network

DC Shunt Motor Control using Wavelet Network

... Let the simulation setting with simulation period 5sec, and the following solver options: type fixed step size, solver type ode4 runge-kutta, fundamental sample time 0.01sec. The PSO algorithm have the following values ...

6

An Investigation of Power Converters Fed BLDC Motor for Adjustable Speed

An Investigation of Power Converters Fed BLDC Motor for Adjustable Speed

... This paper reports the converter topologies which are employed for better Power Factor Correc- tion at the input side. The Power Factor Correction is an important factor when considering the Power Quality. Based on the ...

10

A Review on Power Factor Correction DC/DC Converters for Brushless Dc Motor Drives

A Review on Power Factor Correction DC/DC Converters for Brushless Dc Motor Drives

... The objective is to study evaluate the effectiveness of Mid Day Meal,student’s perception forMid Day Meal, factors influences of Mid Day Meal, quality and quantit[r] ...

6

Show all 10000 documents...

Related subjects