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application to airflow control by plasma actuators.
application to airflow control by plasma actuators.

... remark that the flow separation is still at mid-chord since the angle of attack is higher than in the previous study. This is due to the fact that in the present study, there is no tripper at the leading edge of the airfoil because the actuator is located at the leading edge. Two different actuation ...
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... dissipation by its thermal overload protection circuit, which limits the die temperature to a maximum of 165°C. Under extreme conditions (i.e., high ambient temperature and power dissipation) where die temperature starts to rise above 165°C, the output current is reduced until the die temperature ha ...
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... a and b in the actual original circuit. Therefore, to obtain the Thevenin voltage VT, we simply calculate or measure the open-circuit voltage of the original circuit. If the load resistance is reduced to zero, we have a short-circuit condition. Now, if we place a short-circuit across terminals a and ...
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isl9204 - ISL9204 - High Input Voltage Charger

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... switching frequency. The FSQ-series is an integrated Pulse-Width Modulation (PWM) controller and SenseFET specifically designed for quasi-resonant operation and Alternating Valley Switching (AVS). The PWM controller includes an integrated fixed-frequency oscillator, Under-Voltage Lockout (UVLO), Lea ...
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DC786 - LTC4260CGN Evaluation Kit Quick Start Guide

... Space is provided for up to three 2010 surface mount sense resistors, and a TO-247 (TO-3P) MOSFET. This allows modification of the board for higher current applications. There is more copper between +48V INPUT and +48V/5A OUTPUT than the turrets and a TO-247 can handle. The limitation is at the sour ...
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ConstantVoltage, Constant-Current Controller with Primary

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14PE15 Single Power-Conversion AC–DC Converter with High

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... In addition, ESD, EFT, and surge protection are included in the recommended LED lighting solution. Bourns® Model SMAJ Series transient voltage suppressor diode provides voltage signal clamping and protection against ESD, EFT and surge transients applied within the circuitry. Both the unidirectional ...
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Vehicle Wiring - Hydro Electronic Devices, Inc.

... Ground wires, along with any high voltage, high current, or pulsing (PWM) wires. Battery and Ground wires are notoriously noisy, since everything on the vehicle tends to be attached to them, so they collect and transmit a lot of electrical noise. By high voltage, we generally mean signals that swing ...
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... be the same as on substation 138kV bus j, except for possible zero-sequence component blocking and positive/negative-phase shifts. The significance of the above paragraph is that for transmission faults, one monitor at either the substation 138kV bus or at the substation 12.47kV bus is adequate to p ...
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... Power distribution systems face many problems pertaining to voltage related power quality. The problems include harmonic distortions, voltage dips, swells and sags due to voltage unbalancing in power distribution systems. Therefore theses problems are to be addressed in case of loads which are volta ...
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DOEPFER System A-100 Universal Vactrol Module A-101

... universal vactrol module has available two variable resistors. Each resistor is realized as a light depending resistor (LDR) that is combined with a light emitting diode (LED) both put into a small light-proof case. The two terminals of each LDR are connected to the two terminals of the correspondin ...
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... an energy storage unit comprising both batteries and ultracapacitor seem to be the promising choice for the future vehicles [1]. The basic idea is to realize advantages of both batteries and ultracapacitors while keeping the weight of the entire energy storage unit minimized through an appropriate m ...
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... voltage USB controllers. Many USB controllers are no longer independent devices or even part of the transceiver but have been integrated into small line width ASICs. Many of these ASICs operate at very low voltages in the range of 1.8V which causes a potential problem when trying to communicate with ...
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Electrical ballast



An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic.Ballasts vary in design complexity. They can be as simple as a series resistor or inductor, capacitors, or a combination thereof or as complex as electronic ballasts used with fluorescent lamps and high-intensity discharge lamps.
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