• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
-`5~cfl 100 msec
-`5~cfl 100 msec

... the power system just like our camera's flash bulb draws energy from its battery . . . in short, but intense, bursts. Sorne draw extremely high currents for milliseconds, sorne draw moderate current for a few minutes and sorne use a series of brief, high current pulses lasting for several seconds. X ...
P220 Planar Magnetics For 1 kW to 3.0 kW Converters
P220 Planar Magnetics For 1 kW to 3.0 kW Converters

Heathkit TX-1 - Orange County (California) Amateur Radio Club
Heathkit TX-1 - Orange County (California) Amateur Radio Club

Critical Points of Simplified Model for Ferroresonance Phenomenon in Single Phase Power Transformers
Critical Points of Simplified Model for Ferroresonance Phenomenon in Single Phase Power Transformers

Section G8: Non-Inverting Amplifier
Section G8: Non-Inverting Amplifier

... ¾ A KVL about the input loop indicates that R1 is much less than either 2Rcm or Rin (we will explicitly prove this shortly). This allows us to neglect R1 (essentially replace with a short circuit) in the simplifications below. With this information, the equivalent circuit (above, right) may be simp ...
File
File

Motor control and sensor testing
Motor control and sensor testing

... seconds. The motor was either stalled, or connected to the large Maxon brake motor with a 1.5 ohm power resistor across its terminals. The Fluke 87, as above, was used to measure the motor current also. Results: Good square wave response, with a rise time of a millisecond or two (see data) was obtai ...
File lm3875t | allcomponents.ru
File lm3875t | allcomponents.ru

Application Note CV/F Converter ICs Handle Frequency
Application Note CV/F Converter ICs Handle Frequency

... The LM331 detects an input-signal change by sensing when pin 6 goes negative relative to the threshold voltage at pin 7, which is nominally biased 2V lower than the supply voltage. When a signal change occurs, the LM331’s input comparator sets an internal latch and initiates a timing cycle. During t ...
ENGR 111 Teaching plan
ENGR 111 Teaching plan

...  For water to flow, there has to be pressure difference at the two ends of the pipe Voltage has to exist across a wire for current ...
SW06 - Analog Devices
SW06 - Analog Devices

PDF
PDF

... and basic integrated parts of the Analog and mixedmode signal operations. The continuous work in the op-amp design provides developments from simple two stage op-amp to telescopic op-amp. Telescopic op-amps have lot of advantages over the remaining types, but the disadvantage is low output swing. In ...
LM3875.pdf
LM3875.pdf

lab2g0000.dox_
lab2g0000.dox_

DS90LV001 800 Mbps LVDS Buffer (Rev. E)
DS90LV001 800 Mbps LVDS Buffer (Rev. E)

living with the lab
living with the lab

... sum of voltages around any closed loop in a circuit is zero – we see that this is true for our circuit. It is also true for very complex circuits. ...
MP3900DK-LF-Z Datasheet
MP3900DK-LF-Z Datasheet

... peak current limiting are all provided to minimize the external component count. In a boost application, with an output voltage of less than 30V, the current sense pin can connect directly to the drain of the external switch. This eliminates the requirement for an additional current sensing element ...
Power for Suspended Scaffolds
Power for Suspended Scaffolds

... When working in remote locations, such as on bridges, generators offer a means of power supply. Proper selection is important. The size of the generator should be a minimum of 3 times the total hoist motor Kw or HP. To accelerate a suspended load from a standstill to full speed requires a factor of ...
microwave engineering
microwave engineering

... 24) Why magnetron is called as cross field devices? In a magnetron, the dc magnetic field and dc electric field are perpendicular to each other and hence magnetron is called as a cross field device. 25) What are the types of magnetron? There are three types of magnetrons: i. Spilt anode magnetron ii ...
Experiment 1:Measuring the Current
Experiment 1:Measuring the Current

... temperature of a lamp could be extremely high when it works. The resistor of the lamp increases as its temperature increases. Therefore, the stronger current flowing through the lamp results in its higher temperature, which further leads to the larger resistance of it. Generally, the cold resistanc ...
SYNCHRO RETRANSMISSION UNIT KW903-SP
SYNCHRO RETRANSMISSION UNIT KW903-SP

DUAL LOAD WIRING SOLUTION SIMPLE, QUICK AND ERROR-FREE INSTALLATION FOR DUAL LOAD APPLICATIONS
DUAL LOAD WIRING SOLUTION SIMPLE, QUICK AND ERROR-FREE INSTALLATION FOR DUAL LOAD APPLICATIONS

... Integra DL1 Dual Load Digital Metering System Designed, developed and manufactured in the UK, the Integra DL1 digital metering system is ideal for low voltage applications and provides a cost effective way of metering Power and Lighting boards in a single meter. It also has the programmable option ...
2SD1047
2SD1047

... 2SD1047 High power NPN epitaxial planar bipolar transistor Features ...
FSQ211 Green Mode Fairchild Power Switch (FPS ) ⎯
FSQ211 Green Mode Fairchild Power Switch (FPS ) ⎯

... 4.1 Overload Protection (OLP): Overload is defined as the load current exceeding a pre-set level due to an unexpected event. In this situation, the protection circuit should be activated to protect the SMPS. However, even when the SMPS is operating normally, the overload protection (OLP) circuit can ...
Electrical Disturbances - How to Protect
Electrical Disturbances - How to Protect

... Acting together, our individual choices add up — for the benefit of our community, our environment and our energy future. That's the power of working together. As your community energy company, we are committed to sharing our experience and energy expertise. You can always count on us for: • Answers ...
< 1 ... 1032 1033 1034 1035 1036 1037 1038 1039 1040 ... 1590 >

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)
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report