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variable-speed AC-drive systems

Design optimization of integrated rotor less inductors for high speed AC drive applications

Design optimization of integrated rotor less inductors for high speed AC drive applications

... in variable speed generator design for renewable energy applications in ...electric drive-train for pure electric and hybrid vehicles, high power density machines, magnetic material characterization ...

6

Performance and stability analysis of an AC variable speed drive

Performance and stability analysis of an AC variable speed drive

... experimental drive algorithm developed in this project is simple and can be implemented on low cost ...the drive could be easily commissioned by inexperienced persons as setup data is easily obtained from ...

113

A New Power Factor Correction Method Using an Inverter Fed Interior Permanent Magnet (IPM) Motor
K Balaji, Dr V Madhusudhan & Dr B Mouli Chandra

A New Power Factor Correction Method Using an Inverter Fed Interior Permanent Magnet (IPM) Motor K Balaji, Dr V Madhusudhan & Dr B Mouli Chandra

... a variable-speed motor drive would al- low overall system optimization that could significantly reduce energy ...the ac sources has be- come a great concern because of the rapidly increasing ...

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Utilizing Data from a Sensorless AC Variable Speed Drive for Detecting Mechanical Misalignments

Utilizing Data from a Sensorless AC Variable Speed Drive for Detecting Mechanical Misalignments

... Shaft misalignment in rotating machinery is one of the most common problems in machines. Misalignments may cause a lower operating efficiency and in the long-run it can result in catastrophic failures due to additional ...

8

Utilizing Data from a Sensorless AC Variable Speed Drive for Detecting Mechanical Misalignments

Utilizing Data from a Sensorless AC Variable Speed Drive for Detecting Mechanical Misalignments

... control systems cannot be easily used for those IMs driven by field oriented drives, due to the fact that the control strategy utilised by such drives changes any effect caused by the fault, where the drive ...

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Implementation of PLC Control Panel for 2000 Ton Hydraulic Hot Forming Press

Implementation of PLC Control Panel for 2000 Ton Hydraulic Hot Forming Press

... adjustable-frequency drive (AFD), variable-voltage/variable-frequency (VVVF) drive, variable speed drive, AC drive, micro drive or inverter ...

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PLC and Fuzzy Logic Control of a Variable Frequency Drive

PLC and Fuzzy Logic Control of a Variable Frequency Drive

... reliable Variable Frequency Drive system which regulates the speed of a three-phase electric AC motor by controlling the frequency and voltage of the power it delivers to the ...ventilation ...

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Using Variable Speed Control on Pump Application

Using Variable Speed Control on Pump Application

... Albania‘s water resources are a national asset, with hydropower from the rivers currently providing about 99 percent of domestic electricity. As climate change mitigation targets and legislation are tightened, and with ...

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Design Of Dfig-Based Wecs Using Resonant Feedback Compensators Under Unbalanced Grid Voltage Conditions

Design Of Dfig-Based Wecs Using Resonant Feedback Compensators Under Unbalanced Grid Voltage Conditions

... the drive framework to fulfill the beginning pace prerequisite of the back- EMF following based position sensor less operation, of which the edge starts in the region of 10% of the evaluated ...

6

Variable Speed Drive Application Based Acoustic Noise Reduction Strategy

Variable Speed Drive Application Based Acoustic Noise Reduction Strategy

... Principal differences between inverter-fed and sinusoidal fed motors are exemplarity shown in Fig.9 and Fig.10 for the candidate motor indicated by . In both cases, the generated noise level within lower speed ...

6

Fuzzy-Variable Gain PI Mode Control Applied to a Brushless AC Motor Drive

Fuzzy-Variable Gain PI Mode Control Applied to a Brushless AC Motor Drive

... Motor’s Speed. Among them, vector control is one of widely used. Variable Gain PI controller is developed and gives a performed control ...the Variable Gain PI and fuzzy logic ...Brushless AC ...

10

Design optimization of integrated rotational inductor for high speed AC drive applications

Design optimization of integrated rotational inductor for high speed AC drive applications

... from the slot opening or airgap and therefore, experiences less fringing flux. The effect of leakage flux is likewise lesser in the rotational inductors with 2P combination as its slot width is wider than the window ...

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Investigation in Induction Motor Starting and Speed Control with Variable Frequency Drive

Investigation in Induction Motor Starting and Speed Control with Variable Frequency Drive

... Fig.(10) shows proposed block diagram of driver circuit in hardware implimentations. Driver circuit consist of inverter. From fig. 1 , we can see that controller circuit receives a information as a feedback from the ...

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INFLUENCE OF LOW DELIVERY PRESSURE OF AIR COMPRESSOR ON MOTOR SPEED USING VARIABLE SPEED DRIVE

INFLUENCE OF LOW DELIVERY PRESSURE OF AIR COMPRESSOR ON MOTOR SPEED USING VARIABLE SPEED DRIVE

... It has been observed that if we used optimum pressure for particular application then we definitely saved electrical units by lowering motor speed. This aspect is more important in those industries which are ...

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ANALYSIS OF EFFECTS OF VECTOR CONTROL ON TOTAL CURRENT HARMONIC DISTORTION OF ADJUSTABLE SPEED AC DRIVE

ANALYSIS OF EFFECTS OF VECTOR CONTROL ON TOTAL CURRENT HARMONIC DISTORTION OF ADJUSTABLE SPEED AC DRIVE

... Adjustable speed drive (ASD) is becoming a significant load component for power distribution. It involves the use of an Induction motor (IM). This paper involves modeling and control of an Induction motor ...

7

A Digital System for Speed and Phase Control of Phased Neutron Chopper Arrays  EUR 5112

A Digital System for Speed and Phase Control of Phased Neutron Chopper Arrays EUR 5112

... 40,— Phased chopper arrays for slow neutron experiments require electrical drive systems with high stability in speed and phasing of the different rotors.. In 1 a modular drive system is[r] ...

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Effects of Three Phase AC / DC Converter Drive on the Torque Speed Characteristic of DC Motor

Effects of Three Phase AC / DC Converter Drive on the Torque Speed Characteristic of DC Motor

... It is clearly seen that for all voltage values linear region of operation extends when three phase semi converter is used. As shown in Fig.10. For example, the region between 0 and 40 Nm was nonlinear for 120 V armature ...

5

A Variable Speed Sensorless Induction Motor Drive Using DC Link Measurements

A Variable Speed Sensorless Induction Motor Drive Using DC Link Measurements

... In this paper a new speed sensor less control strategy for Induction motor is proposed that includes the speed control, torque control and current regulation. Unlike conventional close loop estimators, it ...

10

A Low Harmonic Drive System using ZSI for a Variable Speed Wind Turbine

A Low Harmonic Drive System using ZSI for a Variable Speed Wind Turbine

... The low harmonic three phase induction motor system is presented through the ZSI in this paper. The primary source is the wind driven PMSG which is modeled to deliver an output power of 4kW. The induction motor is driven ...

6

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

... The overall PI speed controller developed is based on digital implementation with the application of an eight bit Rabbit Microprocessor. The designation of this project can greatly eliminates the present ...

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