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Multi-functional Packaged Antennas for Next
Multi-functional Packaged Antennas for Next

2.5.11 12-Hour Uninterruptible Power Supply System 1.0 Description
2.5.11 12-Hour Uninterruptible Power Supply System 1.0 Description

... supplied motor control center (MCC). ...
Presentation
Presentation

... voltage envelope is 100 Hz. Because it is carried out the amplitude modulation of 50 Hz voltage, the spectrum of the signal contains frequencies of 150 Hz. Taking some reserve, we can say that the spectrum of the voltage distortion, characterized by dip and swell, does not exceed 300 - 400 Hz. ...
Interfacing the MPXM2053 Pressure Sensor to the MSP430F449
Interfacing the MPXM2053 Pressure Sensor to the MSP430F449

JH2215651570
JH2215651570

... The basic objective of this thesis was to develop highly efficient DC to DC converter for low voltage, high current applications. Design methods to increase the efficiency of the power supply without using any soft switching techniques were proposed and verified through two prototype converters. Two ...
Auto Transformer Current Flow
Auto Transformer Current Flow

FB2202B Digital Output with Position Feedback
FB2202B Digital Output with Position Feedback

... Connection Internal resistor Open loop voltage ...
DOC
DOC

A308 Integrated Amplifier - Puerto Rico Suppliers .com
A308 Integrated Amplifier - Puerto Rico Suppliers .com

... With at least 150 watts per channel, huge current reserves and extremely low distortion over a very wide bandwidth and impedance range, the A308 dual mono integrated amplifier represents an extraordinarily high standard of performance. It used Musical Fidelity's latest circuit development, which tak ...
Electrical Machines
Electrical Machines

IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

... the construction of a BLDC motor is actually simpler than that of brushed DC motor or AC induction motor. The higher cost of BLDC motor is caused by the additional driver circuit for BLDC motor[5]. However if the application requires adjustable speed, accurate position control, or requires a driver ...
EE 1322832
EE 1322832

... efficiency and voltage regulation.The leakage inductance of HF transformer can be used as a part of resonating inductor.Hence the transformer leakage inductance need not be a troublesome parasitic.Thus power loss and voltage spike magnitude will not increase.The HF transformer has several advantages ...
Control Gear Selection
Control Gear Selection

... This circuit has all the advantages of high frequency, but with the added benefit of being able to dim and brighten (regulate) the lamps. The light regulation is by a separate pair of conductors which can regulate the lamp lumen output by either supplying a 1-10 volt signal or by a potentiometer. Th ...
FB2201B Digital Output with Position Feedback
FB2201B Digital Output with Position Feedback

ICL7673 Datasheet
ICL7673 Datasheet

... battery backup circuit, illustrated in Figure 7, will often replace such discrete designs and offer much better performance, higher reliability, and lower system manufacturing cost. A trickle charge system could be implemented with an additional resistor and diode as shown in Figure 8. A complete lo ...
LA5724MC
LA5724MC

... R1 and R2 are resistors to set the output voltage. When the large resistance value is set, the error of set voltage increases due to the VOS pin current. The output voltage may also increases due to the leak current of switching transistor at light load. In consequence, it is essential to see R1 and ...
Heat guns - Technitel
Heat guns - Technitel

... The Thermogun is available in a variety of voltage inputs and wattages. Also available is a comprehensive range of reflectors/adaptors for a variety of applications. A full range of spare parts is available upon request. The Raychem CV-1981 and CV-1983 guns are robust, double insulated and heavy dut ...
resonance experiment
resonance experiment

... across the inductor are equal, so the circuit looks like a resistor. No energy is dissipated at resonance. We looked at a typical resonant LCR circuit as shown in the diagram below. The values of the capacitor, inductor and resistor were 4700Picofarads, 1MH and either 33ohms or 330ohms depending on ...
- Status Instruments
- Status Instruments

Electricity Merit Badge
Electricity Merit Badge

Voltage Transducer CV 3-1500 V = 1000 V
Voltage Transducer CV 3-1500 V = 1000 V

6 Energy Meter
6 Energy Meter

... DRIVING SYSTEM develops torque to rotate the moving system. It consists of two electromagnets one is formed by current coil & other one is by voltage coil or pressure coil. MOVING SYSTEM essentially consists of an aluminum mounted on the spindle which is supported by Pivot-jewel Bearing system. Sinc ...
Hola Agustin - Portal UniMAP
Hola Agustin - Portal UniMAP

introduction to power electronics
introduction to power electronics

Tutorial 2 - Controller, Sensors and Motors
Tutorial 2 - Controller, Sensors and Motors

... go through this controller. ...
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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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