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TDA8954 1. General description 2
TDA8954 1. General description 2

... When OCP is activated, the active power transistor is turned off and the other power transistor is turned on to reduce the current (CPROT is partially discharged). Normal operation is resumed at the next switching cycle (CPROT is recharged). CPROT is partially discharge each time OCP is activated du ...
SiC-Diodes, SiC-MOSFETs and Gate Driver IC
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... quite strong since they have low RDS,on and are affordable. The advantage of SiC vs Si is the lower RDS,on dependency versus temperature and the higher temperature capability as well as the good body diode reverse recovery performance. Of course it depends on your application and target cost which d ...
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Weidmann Diagnostic Solutions Electrostatic Precipitator
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... only examining the DGA which component(s) may be the source of excessive gas. There are on-site electrical tests that can be performed to aid in the determination of the failed or malfunctioning component(s). A description of those tests is outside the scope of this paper. However, before choosing t ...
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... is particularly suitable for portable or battery operated products where very low power is a requirement. The AD7171 also has a power-down mode in which the device consumes 5 μA, thus increasing the battery life of the product. ...
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Fundamental Electricity Student Study Notes

... LAB: Sketch and describe how to test a heat element using an ohmmeter, voltmeter and ammeter. Place the probes off your volt meter across the connections to the heat element. Before the heat element is energized it should read near zero volts. If it reads source voltage or ghost voltage the element ...
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Power electronics



Power electronics is the application of solid-state electronics to the control and conversion of electric power. It also refers to a subject of research in electronic and electrical engineering which deals with the design, control, computation and integration of nonlinear, time-varying energy-processing electronic systems with fast dynamics.The first high power electronic devices were mercury-arc valves. In modern systems the conversion is performed with semiconductor switching devices such as diodes, thyristors and transistors, pioneered by R. D. Middlebrook and others beginning in the 1950s. In contrast to electronic systems concerned with transmission and processing of signals and data, in power electronics substantial amounts of electrical energy are processed. An AC/DC converter (rectifier) is the most typical power electronics device found in many consumer electronic devices, e.g. television sets, personal computers, battery chargers, etc. The power range is typically from tens of watts to several hundred watts. In industry a common application is the variable speed drive (VSD) that is used to control an induction motor. The power range of VSDs start from a few hundred watts and end at tens of megawatts.The power conversion systems can be classified according to the type of the input and output power AC to DC (rectifier) DC to AC (inverter) DC to DC (DC-to-DC converter) AC to AC (AC-to-AC converter)
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