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UltraZed I/O Carrier Card
UltraZed I/O Carrier Card

... CPEN is used to enable the ACPI/USB compliant MIC2544_1YMM power control IC. When CPEN is logic high, “enabled”, the +5.0V rail is passed through to the +USB_VB rail for the USB connector. e. When CPEN is low the power switch is disabled. f. R164 is used to set the current limit of the MIC2544 part. ...
Time-Current Curves (How to Read)
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... Therefore, in cases where several breakers are in series, the larger upstream breaker may start to unlatch before the smaller downstream breaker has cleared the fault. This means that for faults in this range, a main breaker may open when it would be desirable for only the feeder breaker to open.” T ...
Fault Current Coefficient and Time Delay Assignment for Microgrid Protection System
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... Through microgrids the gigantic conventional utility network can be divided into smaller networks which manage distributed generators, loads, storage and protection devices in their own grid [8]. In microgrids these generators are handled in smaller quantities and, thus, DGs can be connected to the ...
LMX2370/LMX2371/LMX2372 PLLatinum Dual Frequency Synthesizer for RF Personal Communications
LMX2370/LMX2371/LMX2372 PLLatinum Dual Frequency Synthesizer for RF Personal Communications

... The phase detector’s current source output pumps charge into an external loop filter, which then integrates into the VCO’s control voltage. The charge pump steers the charge pump output CPo to VP (pump-up) or Ground (pump-down). When locked, CPo is primarily in a TRI-STATE mode with small correction ...
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PAM8302A Description Pin Assignments
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Load Cell Handbook
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Energy Plus Heater
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Liebert® PSI XR™

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IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)
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Lokal fulltext - Chalmers tekniska högskola
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... the PCC should be varied up to a limited extent around the nominal voltage and this reduces the amount of stability enhancement that can be provided by the compensator. Moreover, the amount of injected reactive power to impact the PCC voltage depends on the short-circuit impedance seen by the compen ...
nxexp300 expansion unit for feed water and draft control for fireye
nxexp300 expansion unit for feed water and draft control for fireye

CMS Powerpoint
CMS Powerpoint

Mini Electronics Project with Circuit Diagram
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... for use as a DC-DC converter. The device consists of an internal temperaturecompensated reference, a comparator, a controlled duty-cycle oscillator with an active current-limit circuit, a driver and a high-current output switch. These functions are contained in an 8-pin dual in-line package. Another ...
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Design of Direct Torque Controller of Induction Motor (DTC)
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... The IM may be modelled with respect to its stator, its rotor or its synchronous speed. These are known as referencing frames. All variables such as voltage, current and flux in the motor should be referred to the selected frame for modelling. In other words, IM can be modelled in different ways depe ...
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Buck converter



A buck converter is a voltage step down and current step up converter.The simplest way to reduce the voltage of a DC supply is to use a linear regulator (such as a 7805), but linear regulators waste energy as they operate by dissipating excess power as heat. Buck converters, on the other hand, can be remarkably efficient (95% or higher for integrated circuits), making them useful for tasks such as converting the main voltage in a computer (12V in a desktop, 12-24V in a laptop) down to the 0.8-1.8V needed by the processor.
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