
abstract - Innovetech
... dc–dc converter. The proposed converter is operated in the step-down stage. The dc-blocking capacitor in the high-voltage side is used to reduce the voltage on the transformer, and the current doubler circuits are used in the low-voltage side to reduce the output current ripple. The energy stored in ...
... dc–dc converter. The proposed converter is operated in the step-down stage. The dc-blocking capacitor in the high-voltage side is used to reduce the voltage on the transformer, and the current doubler circuits are used in the low-voltage side to reduce the output current ripple. The energy stored in ...
ck1005 - stereo vu meter
... Secondly, you must determine which lead of the LED is the cathode & which is the anode. The short lead of the LED indicates the cathode. This is the lead which corresponds to the bar on the LED symbol on the overlay. Thirdly, & very important: you want the LED's to all be in a nice neat line, correc ...
... Secondly, you must determine which lead of the LED is the cathode & which is the anode. The short lead of the LED indicates the cathode. This is the lead which corresponds to the bar on the LED symbol on the overlay. Thirdly, & very important: you want the LED's to all be in a nice neat line, correc ...
Designing Wide Range Power Supplies for Three Phase Industrial
... The StackFET technique provides a cost-effective solution for auxiliary power supplies in industrial applications. This technique allows the designer to benefit from the simplicity afforded by an integrated switching IC when used for high input voltages required by threephase AC input. ...
... The StackFET technique provides a cost-effective solution for auxiliary power supplies in industrial applications. This technique allows the designer to benefit from the simplicity afforded by an integrated switching IC when used for high input voltages required by threephase AC input. ...
Vibration Motor
... vibration motor is comprised of a weight, a ring magnet, rotor with commutation points attached in the front and coils assembled on the back, and power supplied brushes attached to the ring magnet. The commutation points, which are the yellow part on the bottom pic, are in contact with the end of th ...
... vibration motor is comprised of a weight, a ring magnet, rotor with commutation points attached in the front and coils assembled on the back, and power supplied brushes attached to the ring magnet. The commutation points, which are the yellow part on the bottom pic, are in contact with the end of th ...
Technical guide No. 4, Guide to variable speed drives
... just some of the industrial segments with VSD processes. What they have in common is that they all require some kind of control using VSD. For example, in air conditioning applications (part of HVAC), air flow requirements change according to the humidity and temperature in the room. These can be me ...
... just some of the industrial segments with VSD processes. What they have in common is that they all require some kind of control using VSD. For example, in air conditioning applications (part of HVAC), air flow requirements change according to the humidity and temperature in the room. These can be me ...
here - Stepper Motor Controllers
... preferable variable output from 10 to 40VDC,maximum output current 1Ampere or more. A bipolar stepper motor with rated current less than 1Ampere and rated voltage less than 20V. The nominal drive current is 415mA, with a simple modification on the value of the current sensing resistors you can adapt ...
... preferable variable output from 10 to 40VDC,maximum output current 1Ampere or more. A bipolar stepper motor with rated current less than 1Ampere and rated voltage less than 20V. The nominal drive current is 415mA, with a simple modification on the value of the current sensing resistors you can adapt ...
No Slide Title
... •Models a typical power transmission system Added Features: 1. A fault matrix in which three faults can be placed on the system, either simultaneously or in an evolving manner. 2. The ability to load impedance faults onto the system. ...
... •Models a typical power transmission system Added Features: 1. A fault matrix in which three faults can be placed on the system, either simultaneously or in an evolving manner. 2. The ability to load impedance faults onto the system. ...
Overview of power electronic drives for electric vehicles
... tions. By burying PMs inside the magnetic circuit of rotor, the PMS motor or PMBDC motor can readily be extended to the PMH motor which incorporates both PM torque and synchronous reluctance torque. In [13], by adopting a surface-inset PM rotor and specially controlled stator currents, the surface- ...
... tions. By burying PMs inside the magnetic circuit of rotor, the PMS motor or PMBDC motor can readily be extended to the PMH motor which incorporates both PM torque and synchronous reluctance torque. In [13], by adopting a surface-inset PM rotor and specially controlled stator currents, the surface- ...
Q- Motion® Servo Controller
... Q- Motion® Controller, 1 Channel, TCP/ IP, USB and RS-232 Interface, Bench- Top Device (Industry) ...
... Q- Motion® Controller, 1 Channel, TCP/ IP, USB and RS-232 Interface, Bench- Top Device (Industry) ...
127 A direct torque control of induction motor based on three
... Fig.7 and Fig.9 show the simulation results of the conventional direct torque control (with two levels inverter and PI speed controller) applied to an induction machine for a reference speed variation and nominal load application. The real speed is obtained from the mechanical sensor. The obtained s ...
... Fig.7 and Fig.9 show the simulation results of the conventional direct torque control (with two levels inverter and PI speed controller) applied to an induction machine for a reference speed variation and nominal load application. The real speed is obtained from the mechanical sensor. The obtained s ...
PM150 datasheet.xlsx
... The PM150 series of AC-DC switching power supplies in a package of 2 x 4 x 1.3 inches are capable of delivering 100-150 watts of continuous power at 7.5 CFM forced air cooling or 100 watts at convection cooling. The units are constructed on a printed circuit board. They are specially designed for me ...
... The PM150 series of AC-DC switching power supplies in a package of 2 x 4 x 1.3 inches are capable of delivering 100-150 watts of continuous power at 7.5 CFM forced air cooling or 100 watts at convection cooling. The units are constructed on a printed circuit board. They are specially designed for me ...
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.