References - Carollo Engineers
... too large, there is a potential for the capacitor current to be equal to the magnetizing current drawn by the induction motor either during operation or during the starting or stopping of the motor. This creates a resonant condition and an excessive voltage at the terminals of the motor [1]. This is ...
... too large, there is a potential for the capacitor current to be equal to the magnetizing current drawn by the induction motor either during operation or during the starting or stopping of the motor. This creates a resonant condition and an excessive voltage at the terminals of the motor [1]. This is ...
Integrated magnetic full wave converter with flexible
... 1) The permeability of magnetic core is infinite. 2) The B-H curve is linear. 3) The stray capacitance and the leakage inductance are not considered. Because of the infinite permeability assumption, the magnetomotive force in the core is neglected compared with that of the gap. However, because of t ...
... 1) The permeability of magnetic core is infinite. 2) The B-H curve is linear. 3) The stray capacitance and the leakage inductance are not considered. Because of the infinite permeability assumption, the magnetomotive force in the core is neglected compared with that of the gap. However, because of t ...
Chapter 4
... Some devices consume only a fraction of a watt while others consume hundreds or perhaps thousands of watts In most cases the efficiency of the energy conversion is less than 100%, in many cases it is much less Some circuits resemble resistive loads while others have considerable capacitance or ...
... Some devices consume only a fraction of a watt while others consume hundreds or perhaps thousands of watts In most cases the efficiency of the energy conversion is less than 100%, in many cases it is much less Some circuits resemble resistive loads while others have considerable capacitance or ...
(Card) Coil Design Guide
... communication between the card IC and the reader. A well designed helps the MIFARE® IC to maximum performance. A bad designed coil will drastically weaken the possible performance of the MIFARE® card. To understand the importance of a correct coil design the main issues are given below. 2.1.4.1 Requ ...
... communication between the card IC and the reader. A well designed helps the MIFARE® IC to maximum performance. A bad designed coil will drastically weaken the possible performance of the MIFARE® card. To understand the importance of a correct coil design the main issues are given below. 2.1.4.1 Requ ...
KGA – AC Interference
... AC – Three Phase, each conductor has the same amount of current and are 120 degrees out of phase ...
... AC – Three Phase, each conductor has the same amount of current and are 120 degrees out of phase ...
Magnetostrictive Versus Piezoelectric Transducers For
... piezoelectric effect was discovered by Jacques and Pierre Curie. These devices consisted of naturally occurring piezoelectric minerals such as quartz crystals attached by various means to surfaces to be vibrated. These early devices were inherently fragile due to the fragile nature of the piezoelect ...
... piezoelectric effect was discovered by Jacques and Pierre Curie. These devices consisted of naturally occurring piezoelectric minerals such as quartz crystals attached by various means to surfaces to be vibrated. These early devices were inherently fragile due to the fragile nature of the piezoelect ...
Hydraulic Solenoid Function - Wood
... The solenoid is used to supply voltage to the positive contact block only when the key is on. This solenoid is 12 volt dc activated. This is a safety function that keeps the hydraulics from accidentally being operated while the key is off while the mill is being worked on. With the key on the small ...
... The solenoid is used to supply voltage to the positive contact block only when the key is on. This solenoid is 12 volt dc activated. This is a safety function that keeps the hydraulics from accidentally being operated while the key is off while the mill is being worked on. With the key on the small ...
user manual - Dragon Guard
... （4） EAS sensor must be kept away from these things at least 1.5 meters, such as POS system, the money machines, ID devices for credit cards, telephones, computers, data cables, neon lamps, air conditioners, heaters, etc. and deactivator （5） EAS sensor should keep 30cm distance away form metal counte ...
... （4） EAS sensor must be kept away from these things at least 1.5 meters, such as POS system, the money machines, ID devices for credit cards, telephones, computers, data cables, neon lamps, air conditioners, heaters, etc. and deactivator （5） EAS sensor should keep 30cm distance away form metal counte ...
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.