Blizzard Bag 3
... changing with time There is a second effect, an extension of Faraday’s law. It is the same except that the roles of electric and magnetic fields are interchanged. It is one of nature’s many symmetries. This effect, which was advanced by the British physicist James Clerk Maxwell in about 1860, is kno ...
... changing with time There is a second effect, an extension of Faraday’s law. It is the same except that the roles of electric and magnetic fields are interchanged. It is one of nature’s many symmetries. This effect, which was advanced by the British physicist James Clerk Maxwell in about 1860, is kno ...
Designing a Qi-compliant receiver coil for wireless power systems
... Rx-coil inductance, L′S, is measured with the test configuration in Figure 8. The spacer and Tx shield provide a reference to emulate Tx components near the Rx coil. In this test configuration, the Tx shield is a 50 × 50 × 1-mm piece of ferrite material (PC44) from TDK Corporation. The gap dZ is set ...
... Rx-coil inductance, L′S, is measured with the test configuration in Figure 8. The spacer and Tx shield provide a reference to emulate Tx components near the Rx coil. In this test configuration, the Tx shield is a 50 × 50 × 1-mm piece of ferrite material (PC44) from TDK Corporation. The gap dZ is set ...
The Classic Tesla Coil
... Noted first by Nikola Tesla, confining the electrical energy to the conductors and preventing its leakage over their supports or to the ambient air in the form of electrical discharges always occurs when the electric surface density reaches a certain value. Tesla attempted to prevent these discharge ...
... Noted first by Nikola Tesla, confining the electrical energy to the conductors and preventing its leakage over their supports or to the ambient air in the form of electrical discharges always occurs when the electric surface density reaches a certain value. Tesla attempted to prevent these discharge ...
Advanced Iron-Loss Estimation for Nonlinear Material Behavior
... these parameters for three frequencies of 500 Hz, 1000 Hz and 5000 Hz are shown in Figs. 2, Fig. 3 and Fig. 4. The improved loss prediction by the 4-parameter-formula (6) within the parameter identification range is obvious. For loss estimations out of the parameter identification range (Fig. 4), th ...
... these parameters for three frequencies of 500 Hz, 1000 Hz and 5000 Hz are shown in Figs. 2, Fig. 3 and Fig. 4. The improved loss prediction by the 4-parameter-formula (6) within the parameter identification range is obvious. For loss estimations out of the parameter identification range (Fig. 4), th ...
STEVAL-TDR023V1
... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notic ...
... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notic ...
ISL6744A - Intersil
... causes overshoot of the timing capacitor peak and valley voltage thresholds, effectively increasing the peak-to-peak voltage on the timing capacitor. Additionally, if very low charge and discharge currents are used, there will be an increased error due to the input impedance at the CT pin. The above ...
... causes overshoot of the timing capacitor peak and valley voltage thresholds, effectively increasing the peak-to-peak voltage on the timing capacitor. Additionally, if very low charge and discharge currents are used, there will be an increased error due to the input impedance at the CT pin. The above ...
![T6D [21]-[49]](http://s1.studyres.com/store/data/002752171_1-e2a0c5332cd6cb9c9bd4bad2a4dbe26d-300x300.png)
Film Capacitors - AC Capacitors - Application Note
... Triac: Triode for alternate current ACS: ST AC switch designed to sustain overvoltage without the need for a varistor High TJ: Triac with a junction temperature capability of 150 °C ...
... Triac: Triode for alternate current ACS: ST AC switch designed to sustain overvoltage without the need for a varistor High TJ: Triac with a junction temperature capability of 150 °C ...
Printed-Circuit-Board Layout for Improved
... P-channel transistor). In both cases, no current, except negligible leakage currents, flows through the circuit. This is also the reason for the extremely low current consumption of CMOS circuits in a quiescent state. VCC ...
... P-channel transistor). In both cases, no current, except negligible leakage currents, flows through the circuit. This is also the reason for the extremely low current consumption of CMOS circuits in a quiescent state. VCC ...
Sample Exam Solution
... was decreased and the motor sped up. Armature reaction will do the same thing, but now the effect of the field weakening increases with armature current (or Torque). Recall that armature reaction is caused by flux induced around the armature windings due to the armature current. So as Ia increass, t ...
... was decreased and the motor sped up. Armature reaction will do the same thing, but now the effect of the field weakening increases with armature current (or Torque). Recall that armature reaction is caused by flux induced around the armature windings due to the armature current. So as Ia increass, t ...
Grounding Resistance
... • An actual “fall of potential” test is the best way to determine this resistance • Simulator provides defaults based on number of buses and highest nominal kV, but research has shown this to be a poor substitute for actual measurements – Simulator defaults range from 0.1 to 2.0 – Substations w ...
... • An actual “fall of potential” test is the best way to determine this resistance • Simulator provides defaults based on number of buses and highest nominal kV, but research has shown this to be a poor substitute for actual measurements – Simulator defaults range from 0.1 to 2.0 – Substations w ...
Film Capacitors - AC Capacitors - Application Note
... Compared to a circuit using electromechanical switches, this approach offers: Higher efficiency: No power is consumed by continuous current flowing through the relay coil. The AC switches are operated by a single pulse. Increased reliability: Longer operating life of AC switches Spark-free ope ...
... Compared to a circuit using electromechanical switches, this approach offers: Higher efficiency: No power is consumed by continuous current flowing through the relay coil. The AC switches are operated by a single pulse. Increased reliability: Longer operating life of AC switches Spark-free ope ...
Optimal output filter design for microprocessor
... still higher than the cross-section of curves N1 or N2, is the minimum number that satisfies the requirements. The inductance has to be selected as close as possible to the cross-section points of both curves, or in-between. To avoid variation in the transient response due to component tolerances, i ...
... still higher than the cross-section of curves N1 or N2, is the minimum number that satisfies the requirements. The inductance has to be selected as close as possible to the cross-section points of both curves, or in-between. To avoid variation in the transient response due to component tolerances, i ...
Inductor
An inductor, also called a coil or reactor, is a passive two-terminal electrical component which resists changes in electric current passing through it. It consists of a conductor such as a wire, usually wound into a coil. When a current flows through it, energy is stored temporarily in a magnetic field in the coil. When the current flowing through an inductor changes, the time-varying magnetic field induces a voltage in the conductor, according to Faraday’s law of electromagnetic induction, According to Lenz's law the direction of induced e.m.f is always such that it opposes the change in current that created it. As a result, inductors always oppose a change in current, in the same way that a flywheel oppose a change in rotational velocity. Care should be taken not to confuse this with the resistance provided by a resistor.An inductor is characterized by its inductance, the ratio of the voltage to the rate of change of current, which has units of henries (H). Inductors have values that typically range from 1 µH (10−6H) to 1 H. Many inductors have a magnetic core made of iron or ferrite inside the coil, which serves to increase the magnetic field and thus the inductance. Along with capacitors and resistors, inductors are one of the three passive linear circuit elements that make up electric circuits. Inductors are widely used in alternating current (AC) electronic equipment, particularly in radio equipment. They are used to block AC while allowing DC to pass; inductors designed for this purpose are called chokes. They are also used in electronic filters to separate signals of different frequencies, and in combination with capacitors to make tuned circuits, used to tune radio and TV receivers.