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Seminar Report
Seminar Report

What is a Inductor TOKEN
What is a Inductor TOKEN

... MPP is an acronym for molypermalloy powder. It is a magnetic material that has an inherent distributed air gap. The distributed air gap allows the core to store higher levels of magnetic flux when compared to other magnetic materials, such as ferrites. This characteristic allows a higher DC current ...
Rotary Encoder….
Rotary Encoder….

Limiting instabilities in multibunch : review and cures
Limiting instabilities in multibunch : review and cures

...  movable plungers designed at ELETTRA for allowing additional degree of freedom W/o plunger ...
Yardmaster Pup™ Magnet Controller 4292P
Yardmaster Pup™ Magnet Controller 4292P

Magnets for Accelerators - Wiley-VCH
Magnets for Accelerators - Wiley-VCH

Reusing and Rerating Older Rectifiers with New DC/DC
Reusing and Rerating Older Rectifiers with New DC/DC

MSD 6AL-2 Ignition Control
MSD 6AL-2 Ignition Control

... is induced into #7 detonation could occur and cause engine damage. To add more heat protection to your plug wires, MSD offers Pro-Heat Guard, PN 3411. This is a glass woven and silicone coated protective sleeve that you slide over your plug wires. For extra protection of the spark plug boots, MSD of ...
DC Motors Introduction D.C. motors are seldom used in ordinary
DC Motors Introduction D.C. motors are seldom used in ordinary

... Limitations : In practive, we never aim at achieving maximum power due to the following reasons: (i) The armature current under this condition is ver large – much excess of rated current of the machine. (ii) Half of the input power is waseted in the armature circuit. In fact, if we take into account ...
DC Motors Introduction D.C. motors are seldom used in ordinary
DC Motors Introduction D.C. motors are seldom used in ordinary

... Limitations : In practive, we never aim at achieving maximum power due to the following reasons: (i) The armature current under this condition is ver large – much excess of rated current of the machine. (ii) Half of the input power is waseted in the armature circuit. In fact, if we take into account ...
unit 2 dc machines
unit 2 dc machines

... directly proportional to field flux (and hence, also directly proportional to the field current). However, even when the field current is zero, some amount of emf is generated (represented by OA in the figure below). This initially induced emf is due to the fact that there exists some residual magne ...
November 2009
November 2009

... sided teeth) are used. This gives maximum area of slot for given tooth flux density. Round wires of small gauge are used since they are easy to wind and do not mind the taper of the slot. ...
Robot pebbles: One centimeter modules for programmable matter through self-disassembly Please share
Robot pebbles: One centimeter modules for programmable matter through self-disassembly Please share

... Figure 1), which is capable of forming shapes through selfdisassembly. In general, programmable matter systems are composed of small, intelligent modules able to form a variety of macroscale objects in response to external commands or stimuli. Our system is composed of individual pebbles that are ea ...
N. Verma, Y. Hu, L. Huang, W. Rieutort-Louis, J. Sanz Robinson, T. Moy, B. Glisic, S. Wagner, J. Sturm, "Enabling Scalable Hybrid Systems: Architectures for Exploiting Large-Area Electronics in Applications," Proceedings of the IEEE, Vol. 103, No. 4 (APR 2015).
N. Verma, Y. Hu, L. Huang, W. Rieutort-Louis, J. Sanz Robinson, T. Moy, B. Glisic, S. Wagner, J. Sturm, "Enabling Scalable Hybrid Systems: Architectures for Exploiting Large-Area Electronics in Applications," Proceedings of the IEEE, Vol. 103, No. 4 (APR 2015).

Voltage and vibration fluctuations in power transformers
Voltage and vibration fluctuations in power transformers

Is there an optimal capacitance for defibrillation?
Is there an optimal capacitance for defibrillation?

Text for specifiers - Industrial Solutions
Text for specifiers - Industrial Solutions

Low-Frequency RFID in a Nutshell
Low-Frequency RFID in a Nutshell

capacitor voltage transformer
capacitor voltage transformer

- UTas ePrints - University of Tasmania
- UTas ePrints - University of Tasmania

differential_inductance_IFCC_14june2016_VM (2)
differential_inductance_IFCC_14june2016_VM (2)

Transformer Failure Due to Circuit-Breaker
Transformer Failure Due to Circuit-Breaker

... may build up and break down several times before interrupting. Although current-chop escalation with modern VIs is rare, a variation of this concept applies on closing called prestrike. 5) Switching inductive circuits. The transformer is a highly inductive load with an iron core. The effect of switc ...
1 - Design Automation Laboratory
1 - Design Automation Laboratory

... Modeling for On-chip Interconnects", IEEE Custom Integrated Circuits Conference, May 1999.  Norman Chang, Shen Lin, O. Sam Nakagawa, Weize Xie, Lei He, “Clocktree RLC Extraction with Efficient Inductance Modeling”. DATE 2000 ...
Slide 1
Slide 1

air core inductance value variation with number of turns and
air core inductance value variation with number of turns and

... wire or absorption by materials within the magnetic field surrounding it. Inductor losses are modelled as a resistance, R, in series with a perfect or loss free inductance L as shown in fig ...
< 1 ... 16 17 18 19 20 21 22 23 24 ... 173 >

Resonant inductive coupling



Resonant inductive coupling or electrodynamic induction is the near field wireless transmission of electrical energy between two magnetically coupled coils that are part of resonant circuits tuned to resonate at the same frequency. This process occurs in a resonant transformer, an electrical component which consists of two high Q coils wound on the same core with capacitors connected across the windings to make two coupled LC circuits. Resonant transformers are widely used in radio circuits as bandpass filters, and in switching power supplies. Resonant inductive coupling is also being used in wireless power systems. Here the two LC circuits are in different devices; a transmitter coil in one device transmits electric power across an intervening space to a resonant receiver coil in another device. This technology is being developed for powering and charging portable devices such as cellphones and tablet computers at a distance, without being tethered to an outlet.Resonant transfer works by making a coil ring with an oscillating current. This generates an oscillating magnetic field. Because the coil is highly resonant, any energy placed in the coil dies away relatively slowly over very many cycles; but if a second coil is brought near it, the coil can pick up most of the energy before it is lost, even if it is some distance away. The fields used are predominately non-radiative, near fields (sometimes called evanescent waves), as all hardware is kept well within the 1/4 wavelength distance they radiate little energy from the transmitter to infinity.One of the applications of the resonant transformer is for the CCFL inverter. Another application of the resonant transformer is to couple between stages of a superheterodyne receiver, where the selectivity of the receiver is provided by tuned transformers in the intermediate-frequency amplifiers. The Tesla coil is a resonant transformer circuit used to generate very high voltages, and is able to provide much higher current than high voltage electrostatic machines such as the Van de Graaff generator. Resonant energy transfer is the operating principle behind proposed short range (up to 2 metre) wireless electricity systems such as WiTricity or Rezence and systems that have already been deployed, such as Qi power transfer, passive RFID tags and contactless smart cards.
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