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Electromagnetic Bomb
Electromagnetic Bomb

... EMPs produced by nuclear weapons with ever diminishing intensity, have changing magnetic fields which couple with electrical circuitry to produce damge currents/voltage surges. ...
A Higher Voltage Multilevel Inverter with Reduced Switches for
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... inverter was introduced. The suggested configuration was obtained from reduced number of power electronic components. Therefore, the proposed topology results in reduction of installation area and cost. The fundamental frequency staircase modulation technique was comfortably employed and showed high ...
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... The SG3525Aseries of pulse width modulator integrated circuits are designed to offer improved performance and lowered external parts count when used in designing all types of switching power supplies. The on-chip + 5.1 V reference is trimmed to ± 1 % and the input common-mode range of the error ampl ...
MA Utility Presentation 6.26.12
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... result of distorted currents passing through the linear, series impedance of the power delivery system. Therefore, it is always the current distortion that results in voltage distortion. Nevertheless, it must be noted that loads have no control over the voltage distortion. The same load in two diffe ...
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Phase Locked Loop Basics

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PL519 FRINEAR 150, 150 W HF Amplifier

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... improve the power factor of this circuit, the remedy is to connect such an equipment in parallel with the load which takes a leading reactive component and partly cancels the lagging reactive component of the load. Fig. 5 (i) shows a capacitor connected across the load. The capacitor takes a current ...
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... The diagram shows the losses for the points (as per standard EN 50598) of the relative torque generating current (I) over the relative motor stator frequency(f). The values are valid for the basic version of the converter without options/components. ...


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Copyright © 2004 IEEE. Reprinted from IEEE International Symposium on
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... The power levels and frequency range for which circuits are more susceptible to RFI have been studied recently. Previous studies observed changes on the I-V characteristics of diodes, BJTs, and MOSFETs under RFI [1]. Susceptibility levels of a microcontroller and a DSP chip have been measured for RF ...
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RF5222 3.0V TO 4.2V, 2.4GHz TO 2.5GHz LINEAR POWER AMPLIFIER Features
RF5222 3.0V TO 4.2V, 2.4GHz TO 2.5GHz LINEAR POWER AMPLIFIER Features

... from RFMD, Inc. (RFMD)) is optimized for 3.3VDC applications. For best performance, it is important to duplicate (as closely as possible) the layout of the evaluation board. The RF5222 has primarily been characterized with a voltage on VREG of 3.1VDC. If you prefer to use a bias voltage that is sign ...
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Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
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