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ics844071i.pdf
ics844071i.pdf

... The aforementioned trademarks, HiPerClockS and FemtoClocks are trademarks of Integrated Circuit Systems, Inc. or its subsidiaries in the United States and/or other countries. While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems, Incorp ...
MAX1858A/MAX1875A/MAX1876A Dual 180° Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR General Description
MAX1858A/MAX1875A/MAX1876A Dual 180° Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR General Description

... can be set to generate an in-phase, or 90° out-ofphase, clock signal for synchronization with additional controllers. This allows two controllers to operate either as an interleaved two- or four-phase system with each output shifted by 90°. The MAX1858A/MAX1875A/ MAX1876A feature soft-start. The MAX ...
Understanding and using LLC Converters to Great
Understanding and using LLC Converters to Great

Hi-Rel DC/DC CONVERTER MGDM-200 : 200W
Hi-Rel DC/DC CONVERTER MGDM-200 : 200W

... The MGDM-200 low input voltage series is a complete line of high density wide input range DC/DC power modules designed for aerospace, military and high-end industrial applications. These modules use a patented fixed switching topology at 270 KHz providing ultra wide input range, low noise characteri ...
SiC “Super” Junction Transistors Offer Breakthrough High Temp
SiC “Super” Junction Transistors Offer Breakthrough High Temp

... the SJT and Si IGBT co-packs is shown in Fig. 6. Si TFS + SiC FWD represents Si TFS IGBT as the DUT and SiC Schottky diode as FWD respectively where as Si TFS + Si TFS represents Si TFS IGBT as DUT and Si TFS IGBT copack as FWD respectively. The calculated gate drive, conduction and switching losses ...
View - Lance Camper
View - Lance Camper

Lesson: 23
Lesson: 23

... generating station to bring the transmission voltage level at the desired value as depicted in figure 23.1 where for simplicity single phase system is shown to understand the basic idea. Obviously when power reaches the load centre, one has to step down the voltage to suitable and safe values by usi ...
MAX17024 Single Quick-PWM Step-Down Controller with Dynamic REFIN General Description
MAX17024 Single Quick-PWM Step-Down Controller with Dynamic REFIN General Description

Atmel LED Driver-MSL3162 Datasheet Brief Power Control and 1MHz I
Atmel LED Driver-MSL3162 Datasheet Brief Power Control and 1MHz I

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... Special Semiconductor Diodes: Zener Diode, Breakdown mechanisms, Zener diode applications, LED, LCD, Photo diode, Varactor diode, Tunnel Diode, DIAC, TRIAC, SCR, UJT. Construction, operation and characteristics of all the diodes is required to be considered. UNIT- II Rectifiers and Filters: Basic Re ...
AS Physics Unit 1_6
AS Physics Unit 1_6

... AC voltmeters and ammeters show the RMS value of the voltage or current. DC meters also show the RMS value when connected to varying DC providing the DC is varying quickly, if the frequency is less than about 10Hz you will see the meter reading fluctuating instead. What does '6V AC' really mean, is ...
Slide mode control method
Slide mode control method

LF411-N 数据资料 dataSheet 下载
LF411-N 数据资料 dataSheet 下载

... Exceeding the positive common-mode limit on a single input will not change the phase of the output; however, if both inputs exceed the limit, the output of the amplifier may be forced to a high state. The amplifier will operate with a common-mode input voltage equal to the positive supply; however, ...
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Catalog KEB COMBIVERT G6
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AND9129 - Understanding a Digital Transisotr Datasheet
AND9129 - Understanding a Digital Transisotr Datasheet

... input forward voltage is determined from the power capabilities of the input resistor, R1. Figure 3 and Equations 1 and 2 describe how the maximum input forward voltage is calculated when the maximum power capability of R1 is 220 mW. It is important to use the minimum value of R1 because it will cau ...
MOSFET Lab1 - University of Pennsylvania
MOSFET Lab1 - University of Pennsylvania

... the one shown in Figure 6. From the previous experiment you have noticed that the amplification (i.e. the change of output voltage over input voltage) is relatively large around a narrow range of the input voltage (see e.g. Fig. 4.26c in Sedra-Smith, 5th ed.). So, it is important to bias the transis ...
EV Low Voltage Wiring
EV Low Voltage Wiring

Capture range control mechanism for voltage controlled oscillators
Capture range control mechanism for voltage controlled oscillators

... The variation in the frequency of oscillation in turn also varies in a non-linear fashion to changes in the capacitance of the resonator (in fact it typically varies as 1/\/ (LC). The overall result is that the gain of the oscillator as measured by ...
B. Doubly Fed Induction Generator.
B. Doubly Fed Induction Generator.

Operation Manual  LDM-1000 LVDT/RVDT Signal Conditioning Module
Operation Manual LDM-1000 LVDT/RVDT Signal Conditioning Module

Chapter 3 Questions
Chapter 3 Questions

... A 6 volt battery is connected across three resistances of 10 ohms, 15 ohms and 20 ohms connected in parallel. 1. The current through the separate resistances, when added together, equals the total current drawn from the battery 2. The current flowing through the 10 ohm resistance is less than that f ...
power measurements?
power measurements?

... Some power meters use RMS measurement ranges and zero crossing by means of software cannot achieve high others use peak measurement ranges. Relating the accuracy measurement accuracy for current, voltage and active power. information to peak values looks impressive at first sight, but in In order to ...
2033AUPS - Mitsubishi Electric Power Products, Inc.
2033AUPS - Mitsubishi Electric Power Products, Inc.

Evaluation Board User Guide UG-116
Evaluation Board User Guide UG-116

... For line regulation measurements, the output of the regulator is monitored while its input is varied. For good line regulation, the output must change as little as possible with varying input levels. To ensure that the device is not in dropout mode during this measurement, VIN must be varied between ...
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Variable-frequency drive



A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.VFDs are used in applications ranging from small appliances to the largest of mine mill drives and compressors. However, around 25% of the world's electrical energy is consumed by electric motors in industrial applications, which are especially conducive for energy savings using VFDs in centrifugal load service, and VFDs' global market penetration for all applications is still relatively small. That lack of penetration highlights significant energy efficiency improvement opportunities for retrofitted and new VFD installations.Over the last four decades, power electronics technology has reduced VFD cost and size and has improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.VFDs are available in a number of different low- and medium-voltage AC-AC and DC-AC topologies.
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