12-08-2010, 08:39 AM
sir..,
i need a detailed explanation regarding this topic to present as a seminar in my college..
i need a detailed explanation regarding this topic to present as a seminar in my college..
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Contactless Energy Transfer System
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07-09-2010, 10:55 AM
pls send seminar ppt and report on Contactless energy transfer system
16-09-2010, 12:36 PM
i want to know more on contactless energy transfer .plz mail me at cute.bhardwaj[at]gmail.com
25-09-2010, 10:09 AM
for more information about Contactless Energy Transfer please follow the links:
http://studentbank.in/report-co...orld--4329
http://studentbank.in/report-contactless...bile-world
http://studentbank.in/report-co...orld--4329
http://studentbank.in/report-contactless...bile-world
CONTACTLESS ENERGY TRANSFER
ABSTRACT
In this paper a new topology for contactless energy transfer is proposed and tested that can transfer energy to a moving actuator using inductive coupling. The proposed topology provides long-stroke contactless energy transfer capability in a plane and a short-stroke movement of a few millimeters perpendicular to the plane. In addition, it is to lerant to small rotations. The experimental setup consists of a platform with one secondary coil, which is attached to a linear actuator and a 3-phase brushless electromotor. Underneath the platform is an array of primary coils that are each connected to a half-bridge square wave power supply. The energy transfer to the electromotor is measured while the platform is moved over the array of primary coils by the linear actuator. The secondary coil moves with a stroke of 18cm at speeds over 1m/s, while up to 33W power is transferred with 90% efficiency.
[attachment=6010]
Abstract
In this paper a new topology for contactless energy transfer is proposed and tested that can transfer energy to a moving actuator using inductive coupling. The proposed topology provides long-stroke contactless energy transfer capability in a plane and a short-stroke movement of a few millimeters perpendicular to the plane. In addition, it is to lerant to small rotations. The experimental setup consists of a platform with one secondary coil, which is attached to a linear actuator and a 3-phase brushless electromotor. Underneath the platform is an array of primary coils that are each connected to a half-bridge square wave power supply. The energy transfer to the electromotor is measured while the platform is moved over the array of primary coils by the linear actuator. The secondary coil moves with a stroke of 18cm at speeds over 1m/s, while up to 33W power is transferred with 90% efficiency.
INTRODUCTION
Most high-precision machines are positioning stages with Multiple degrees of freedom(DOF), which often consist of cascaded long-and short-stroke linear actuators that are supported by mechanical or air bearings. Usually, the long stroke actuator has micrometer accuracy, while the Submicron accuracy is achieved by the short-stroke actuator. To build a high-precision machine, as much disturbances as possible should be eliminated. Common sources of disturbances are vibrations, Coulomb and viscous friction in bearings, crosstalk of multiple cascaded actuators and cable slabs.
A possibility to increase throughput, while maintaining accuracy is to use parallel processing, i.e. movement and positioning in parallel within section, calibration, assembling, scanning, etc. To meet the design requirements of high accuracy while improving performance, a new design approach is necessary, especially if vacuum operation is considered, which will be required for the next generation no lithography machines. A lot of disturbance sources can be eliminated by integrating the cascaded long-and short-stroke actuator into one actuator system. Since most long-stroke movements are in a plane, this can be done by a contactless planar actuator.
The topology proposed and tested in this paper provides long-stroke contact less energy transfer (CET) in a plane with only small changes in power transfer capability.
CET TOPOLOGY
The design of the primary and secondary coil is optimized to get a coupling that is as constant as possible for a sufficiently large area. This area should be large enough to allow the secondary coil to move from one primary coil to the next one without a large reduction in coupling. If this can be achieved, the power can be transferred by one primary coil that is closest to the secondary coil. When the secondary coil moves out of range the first primary coil is turned off and the next one will be energized. To ensure a smooth energy transfer to the moving load, the position dependence of the coupling should be minimized, while keeping the coupling high enough to get a high-efficiency energy transfer.
A lot of systems use 2D spiral coils for the primary and secondary coil, since the spiral coil geometry allows relatively high coupling (upto60%) and some tolerance form is alignment of the coils. However, to allow the secondary coil to move from one primary coil to the next, the tolerance for misalignments should be increased. In the proposed system this is done by using a 3D geometry for the primary coil. This results in a fairly constant B-field around the primary coil, which accommodates good coupling in a large area. Further more, since the system is supposed to transfer power to a load moving in a plane, it is convenient to use a shape that is symmetrical in 2D for both the primary coil and the secondary coil:
a square for instance. The geometry of the primary and the secondary coils are optimized with FEM using Maxwell 3D10 Optimetrics.
CONTACTLESS ENERGY TRANSFER
Abstract
In this paper a new topology for contactless energy transfer is proposed and tested that can transfer energy to a moving actuator using inductive coupling. The proposed topology provides long-stroke contactless energy transfer capability in a plane and a short-stroke movement of a few millimeters perpendicular to the plane. In addition, it is to lerant to small rotations. The experimental setup consists of a platform with one secondary coil, which is attached to a linear actuator and a 3-phase brushless electromotor. Underneath the platform is an array of primary coils that are each connected to a half-bridge square wave power supply. The energy transfer to the electromotor is measured while the platform is moved over the array of primary coils by the linear actuator. The secondary coil moves with a stroke of 18cm at speeds over 1m/s, while up to 33W power is transferred with 90% efficiency.
INTRODUCTION
Most high-precision machines are positioning stages with Multiple degrees of freedom(DOF), which often consist of cascaded long-and short-stroke linear actuators that are supported by mechanical or air bearings. Usually, the long stroke actuator has micrometer accuracy, while the Submicron accuracy is achieved by the short-stroke actuator. To build a high-precision machine, as much disturbances as possible should be eliminated. Common sources of disturbances are vibrations, Coulomb and viscous friction in bearings, crosstalk of multiple cascaded actuators and cable slabs.
A possibility to increase throughput, while maintaining accuracy is to use parallel processing, i.e. movement and positioning in parallel within section, calibration, assembling, scanning, etc. To meet the design requirements of high accuracy while improving performance, a new design approach is necessary, especially if vacuum operation is considered, which will be required for the next generation no lithography machines. A lot of disturbance sources can be eliminated by integrating the cascaded long-and short-stroke actuator into one actuator system. Since most long-stroke movements are in a plane, this can be done by a contactless planar actuator.
The topology proposed and tested in this paper provides long-stroke contact less energy transfer (CET) in a plane with only small changes in power transfer capability.
CET TOPOLOGY
The design of the primary and secondary coil is optimized to get a coupling that is as constant as possible for a sufficiently large area. This area should be large enough to allow the secondary coil to move from one primary coil to the next one without a large reduction in coupling. If this can be achieved, the power can be transferred by one primary coil that is closest to the secondary coil. When the secondary coil moves out of range the first primary coil is turned off and the next one will be energized. To ensure a smooth energy transfer to the moving load, the position dependence of the coupling should be minimized, while keeping the coupling high enough to get a high-efficiency energy transfer.
A lot of systems use 2D spiral coils for the primary and secondary coil, since the spiral coil geometry allows relatively high coupling (upto60%) and some tolerance form is alignment of the coils. However, to allow the secondary coil to move from one primary coil to the next, the tolerance for misalignments should be increased. In the proposed system this is done by using a 3D geometry for the primary coil. This results in a fairly constant B-field around the primary coil, which accommodates good coupling in a large area. Further more, since the system is supposed to transfer power to a load moving in a plane, it is convenient to use a shape that is symmetrical in 2D for both the primary coil and the secondary coil:
a square for instance. The geometry of the primary and the secondary coils are optimized with FEM using Maxwell 3D10 Optimetrics.
i need full information about this topic ,please mail in as soon as possible
26-10-2010, 01:21 PM
[attachment=6812]
Contactless Energy Transfer to a Moving Actuator
Jeroen de Boeij, Student Member, IEEE, Elena Lomonova, Jorge Duarte Member, IEEE and
Andr´e Vandenput, Senior Member, IEEE
Abstract—
In this paper a new topology for contactless energy
transfer is proposed and tested that can transfer energy to a
moving actuator using inductive coupling. The proposed topology
provides long-stroke contactless energy transfer capability in
a plane and a short-stroke movement of a few millimeters
perpendicular to the plane. In addition, it is tolerant to small
rotations. The experimental setup consists of a platform with
one secondary coil, which is attached to a linear actuator and
a 3-phase brushless electromotor. Underneath the platform is
an array of primary coils, that are each connected to a halfbridge
square wave power supply. The energy transfer to the
electromotor is measured while the platform is moved over the
array of primary coils by the linear actuator. The secondary coil
moves with a stroke of 18 cm at speeds over 1 m/s, while up to
33 W power is transferred with 90% efficiency.
Contactless Energy Transfer to a Moving Actuator
Jeroen de Boeij, Student Member, IEEE, Elena Lomonova, Jorge Duarte Member, IEEE and
Andr´e Vandenput, Senior Member, IEEE
Abstract—
In this paper a new topology for contactless energy
transfer is proposed and tested that can transfer energy to a
moving actuator using inductive coupling. The proposed topology
provides long-stroke contactless energy transfer capability in
a plane and a short-stroke movement of a few millimeters
perpendicular to the plane. In addition, it is tolerant to small
rotations. The experimental setup consists of a platform with
one secondary coil, which is attached to a linear actuator and
a 3-phase brushless electromotor. Underneath the platform is
an array of primary coils, that are each connected to a halfbridge
square wave power supply. The energy transfer to the
electromotor is measured while the platform is moved over the
array of primary coils by the linear actuator. The secondary coil
moves with a stroke of 18 cm at speeds over 1 m/s, while up to
33 W power is transferred with 90% efficiency.
20-01-2011, 11:16 AM
Hi.....i am gnan chandu...can you send me the documentation of this topic??? i am in badly need of it.....please...............thanks in advance..
02-03-2011, 08:13 PM
sir can u please tel me about this project....
14-03-2011, 03:35 PM
Contactless Energy Transfer System i want full information
27-07-2011, 09:11 AM
To get more information about the topic " Contactless Energy Transfer System" please refer the page link below
http://gotocontroldownLoad/files/wp_sew_energytransfer.pdf
http://deboeijdocs/deboeij_ias2006_cet.pdf
http://freepatentsonline6173899.html
http://gotocontroldownLoad/files/wp_sew_energytransfer.pdf
http://deboeijdocs/deboeij_ias2006_cet.pdf
http://freepatentsonline6173899.html
07-08-2011, 07:43 PM
please tell me more about this topic in detail and kindly send that data on my email id nikki.akanksha13[at]gmail.com
08-08-2011, 10:11 AM
To get more information about the topic " Contactless Energy Transfer System" please refer the page link below
http://gotocontroldownLoad/files/wp_sew_energytransfer.pdf
http://deboeijdocs/deboeij_ias2006_cet.pdf
http://freepatentsonline6173899.html
http://gotocontroldownLoad/files/wp_sew_energytransfer.pdf
http://deboeijdocs/deboeij_ias2006_cet.pdf
http://freepatentsonline6173899.html
12-08-2011, 09:52 AM
To get more information about the topic " Contactless Energy Transfer System" please refer the page link below
http://gotocontroldownLoad/files/wp_sew_energytransfer.pdf
http://deboeijdocs/deboeij_ias2006_cet.pdf
http://freepatentsonline6173899.html
http://gotocontroldownLoad/files/wp_sew_energytransfer.pdf
http://deboeijdocs/deboeij_ias2006_cet.pdf
http://freepatentsonline6173899.html
06-01-2012, 09:47 AM
To get more information about the topic " Contactless Energy Transfer System" please refer the page link below
http://gotocontroldownLoad/files/wp_sew_energytransfer.pdf
http://deboeijdocs/deboeij_ias2006_cet.pdf
http://freepatentsonline6173899.html
http://gotocontroldownLoad/files/wp_sew_energytransfer.pdf
http://deboeijdocs/deboeij_ias2006_cet.pdf
http://freepatentsonline6173899.html
08-02-2012, 02:39 PM
Contactless Energy Transfer System
[attachment=17291]
INTRODUCTION
Contactless energy transfer is the process in which electrical energy is transferred between primary and secondary coils through inductive coupling, without electrical contact between the coils. The transfer of energy between devices without the use of physical plugs is a fascinating concept to say the least. The potential applications for such a technology are practically endless and can range from the transfer of energy between low power home and office devices to high powered industrial applications. Medical, marine, and other applications where physical electrical contact might be dangerous, impossible or at the very least problematic, are all prospective candidates for the use of contactless energy transfer.
WORKING
In contactless energy transfer, the main method of transferring energy between primary and secondary coils is through induction and magnetic fields. When primary and secondary coils are coupled through air and do not have a core to guide the magnetic field, the magnetic field spreads out through the air without any predominant path. Because of this, not all of the magnetic field produced by the primary coil is coupled with the secondary coil. The stray magnetic field does not contribute to the transfer of energy between the coils and is a waste of energy. It is possible that part of the stray magnetic field could undesirably couple with other electronic circuits in their vicinity. This is very dangerous, since large magnetic fields could induce extra currents into nearby circuits, causing malfunction or even damaging them. Another concern is the safety of humans and other living matter when exposed to these stray magnetic fields. Magnetic field shaping attempts to mold the magnetic field to maximize the coupling between primary and secondary coils and at the same time minimize the stray magnetic field.
CONCLUSION
The effect of a changing coupling between a primary coil and a secondary coil on the contactless energy transfer is studied.
[attachment=17291]
INTRODUCTION
Contactless energy transfer is the process in which electrical energy is transferred between primary and secondary coils through inductive coupling, without electrical contact between the coils. The transfer of energy between devices without the use of physical plugs is a fascinating concept to say the least. The potential applications for such a technology are practically endless and can range from the transfer of energy between low power home and office devices to high powered industrial applications. Medical, marine, and other applications where physical electrical contact might be dangerous, impossible or at the very least problematic, are all prospective candidates for the use of contactless energy transfer.
WORKING
In contactless energy transfer, the main method of transferring energy between primary and secondary coils is through induction and magnetic fields. When primary and secondary coils are coupled through air and do not have a core to guide the magnetic field, the magnetic field spreads out through the air without any predominant path. Because of this, not all of the magnetic field produced by the primary coil is coupled with the secondary coil. The stray magnetic field does not contribute to the transfer of energy between the coils and is a waste of energy. It is possible that part of the stray magnetic field could undesirably couple with other electronic circuits in their vicinity. This is very dangerous, since large magnetic fields could induce extra currents into nearby circuits, causing malfunction or even damaging them. Another concern is the safety of humans and other living matter when exposed to these stray magnetic fields. Magnetic field shaping attempts to mold the magnetic field to maximize the coupling between primary and secondary coils and at the same time minimize the stray magnetic field.
CONCLUSION
The effect of a changing coupling between a primary coil and a secondary coil on the contactless energy transfer is studied.
13-02-2012, 04:49 PM
to get information about the topic CONTACT LESS ENERGY TRANFER SYSTEM full report ,ppt and related topic refer the page link bellow
http://studentbank.in/report-contactless...fer-system
http://studentbank.in/report-contactless...7#pid66727
http://studentbank.in/report-contactless...tem?page=3
http://studentbank.in/report-contactless...em?page=10
http://studentbank.in/report-contactless...fer-system
http://studentbank.in/report-contactless...7#pid66727
http://studentbank.in/report-contactless...tem?page=3
http://studentbank.in/report-contactless...em?page=10
29-02-2012, 01:15 PM
More Info About Contact less energy transfer system
http://studentbank.in/report-contactless...fer-system
http://studentbank.in/report-contactless...bile-world
http://studentbank.in/report-contactless...orld--4329
http://studentbank.in/report-contactless...fer-system
http://studentbank.in/report-contactless...bile-world
http://studentbank.in/report-contactless...orld--4329
09-03-2012, 09:28 AM
to get information about the topic contact less energy transform system in mechanical field full report ppt and related topic refer the page link bellow
http://studentbank.in/report-contactless...fer-system
http://studentbank.in/report-contactless...bile-world
http://studentbank.in/report-contactless...orld--4329
02-01-2013, 11:11 AM
I want ppt slides and more information about contact less energy transfer system.will u please help me??
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