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SG6742ML/MR Highly Integrated Green-Mode PWM Controller SG6742M L/M
SG6742ML/MR Highly Integrated Green-Mode PWM Controller SG6742M L/M

... that helps reduce EMI emission of a power supply with minimum line filters. Its built-in synchronized slope compensation achieves stable peak-current-mode control. The proprietary, internal line compensation ensures constant output power limit over a wide AC input voltage range, from 90VAC to 264VAC ...
SIDACtor Device
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... Whenever p and n type materials come into contact, a depletion region is formed. The depletion regions depend on the impurity concentration, device dimensions and ...
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Academic Regulations-M.Tech. 2009
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... The AD8510/AD8512/AD8513 are single-, dual-, and quadprecision JFET amplifiers that feature low offset voltage, input bias current, input voltage noise, and input current noise. The combination of low offsets, low noise, and very low input bias currents makes these amplifiers especially suitable for ...
QS5U26
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... While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other ...
Simple Energy-Tripped Circuit Breaker with Automatic Delayed Retry
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... A circuit breaker protects sensitive load circuits from excessive current flow by opening the power supply when the current reaches a predetermined level. The simplest circuit breaker is a fuse, but blown fuses require physical replacement. An electronic circuit breaker provides the same measure of ...
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full text pdf
full text pdf

... In the flyback converter, it is necessary to provide a good magnetic coupling between the primary and secondary windings. Failure to meet this requirement results in voltage spikes on the transistor, the elimination of which with the use of additional snubber circuit requires dissipation of the ener ...
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... The EV kit is a fully assembled and tested surfacemount board. Follow the steps below for simple board operation. Caution: Do not turn on the power supply until all connections are completed. 1) Verify that a shunt is connected across pins 1-2 of jumper JU1 (TIMER function set to 250kHz). 2) Connect ...
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cvrt users manual

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SCIENTIFIC PAPERS OF THE UNIVERSITY OF PARDUBICE  INNOVATION OF TRACTION DRIVES
SCIENTIFIC PAPERS OF THE UNIVERSITY OF PARDUBICE INNOVATION OF TRACTION DRIVES

... demanded function of U and f should be kept according to the certain algorithms, has been done separately for the converters of generation one. The example of that solution was the first Czech locomotive “Asynchron”. The change of frequency and output RMS voltage values for today converters is achie ...
FAN102 Primary-Side-Control PWM Controller FA N
FAN102 Primary-Side-Control PWM Controller FA N

... constant output voltage at the end of the cable over the entire load range in CV mode. As load increases, the voltage drop across the cable is compensated by increasing the reference voltage of voltage regulation error amplifier. The amount of compensation is programmed by the resistor on the COMR p ...
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... an autonomous induction generator taking the saturation effects into account. The output voltage of the induction generator passes by the association rectifier –filter- inverter for feeding a three phase induction motor. To use the induction machine in a reliable manner as an autonomous generator th ...
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... five-stage configurations (Fig. 4). The VFast and VSlow control signals enable or disable the input differential pair of the dual VCDL to work in either a nine-stage (slow-mode) or fivestage (fast-mode) configuration. All the transistors used in the dual VCDL have a minimum length of 90 nm. The inpu ...
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... An output capacitor with ample capacitance and low ESR is the best option. For most applications, a 22µF ceramic capacitor will be sufficient. ...
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... One word has been omitted from each sentence. Try to figure it out Basic AC Motor Operation An AC motor has two basic electrical parts: a "stator" and a "rotor" as shown in the figure. The stator is the stationary electrical component consists of a group of individual electro-magnets arranged in suc ...
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... more accurate results than most methods found in handbooks etc. This program also calculates settings/switch times for soft starters, autotransformers and star delta start. See section 4 for more information. ...
tps72501.pdf
tps72501.pdf

... These regulators are ideal for higher current applications. The family operates over a wide range of input voltages (1.8 V to 6 V) and has very low dropout (170 mV at 1-A). Ground current is typically 210 µA at full load and drops to less than 80 µA at no load. Standby current is less than 1 µA. Eac ...
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Harmonic Distortion Reduction Technique for Uninterruptible Power

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The New PL and New PL-P Series of manual and bus remote

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Three-phase electric power



Three-phase electric power is a common method of alternating-current electric power generation, transmission, and distribution. It is a type of polyphase system and is the most common method used by electrical grids worldwide to transfer power. It is also used to power large motors and other heavy loads. A three-phase system is usually more economical than an equivalent single-phase or two-phase system at the same line to ground voltage because it uses less conductor material to transmit electrical power.The three-phase system was independently invented by Galileo Ferraris, Mikhail Dolivo-Dobrovolsky, Jonas Wenström and Nikola Tesla in the late 1880s.
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