EM35787792
... DC-DC converters were design to meet some sort of industrial or commercial applications. They are usually called by their function, for example, Buck converter, boost converter, buck-boost converter and zeroswitching [ZCS] and zero voltage switching [ZVS] converters which are used to reduce, increas ...
... DC-DC converters were design to meet some sort of industrial or commercial applications. They are usually called by their function, for example, Buck converter, boost converter, buck-boost converter and zeroswitching [ZCS] and zero voltage switching [ZVS] converters which are used to reduce, increas ...
simulation model of an input power factor of a single - phase ac
... In the present study, a simulation model of the Single – Phase AC – DC is undertaken to establish the poor power factor of the drive. The choice of this drive is influenced by the fact that: it presents the worst form of harmonics, it has a wide range of applications and it is use in low power motor ...
... In the present study, a simulation model of the Single – Phase AC – DC is undertaken to establish the poor power factor of the drive. The choice of this drive is influenced by the fact that: it presents the worst form of harmonics, it has a wide range of applications and it is use in low power motor ...
specifications for centrifugal pump and fan applications
... B. The internal power supply shall incorporate automatic current fold-back that protects the internal power supply if incorrectly connected or shorted. The transistor logic outputs will be current limited and will not be damaged if shorted. C. Pull-apart terminal strips shall be used on all logic an ...
... B. The internal power supply shall incorporate automatic current fold-back that protects the internal power supply if incorrectly connected or shorted. The transistor logic outputs will be current limited and will not be damaged if shorted. C. Pull-apart terminal strips shall be used on all logic an ...
ATV Transmitter from a Microwave Oven!
... shortening the probe introduces a reactive mismatch at the magnetron output port. After an unknown number of degrees rotation within the feed structure (Matsushita would not provide tube data), this causes the magnetron to be pulled lower in frequency by some 25 MHz from its design frequency, ensuri ...
... shortening the probe introduces a reactive mismatch at the magnetron output port. After an unknown number of degrees rotation within the feed structure (Matsushita would not provide tube data), this causes the magnetron to be pulled lower in frequency by some 25 MHz from its design frequency, ensuri ...
Variable Dimming - 100-277VAC
... o Note: For Model Numbers HB6C4Y and HB7C4Y only, alignment bar on top of fixture corresponds to major axis of the “narrow oval” light pattern. Connect power cable conductors as follows: o Green wire connects to Safety Ground. o White wire connects to Neutral o Black wire connects to Live Remove pro ...
... o Note: For Model Numbers HB6C4Y and HB7C4Y only, alignment bar on top of fixture corresponds to major axis of the “narrow oval” light pattern. Connect power cable conductors as follows: o Green wire connects to Safety Ground. o White wire connects to Neutral o Black wire connects to Live Remove pro ...
BX26501512
... According to this novel concept of decoupling DTC is seen to be different from FOC and it has satisfied some advantages like simplicity and quick torque response [1:3]. In this paper, a control method is proposed that can provide transient performance similar to DTC with reduced torque pulsations at ...
... According to this novel concept of decoupling DTC is seen to be different from FOC and it has satisfied some advantages like simplicity and quick torque response [1:3]. In this paper, a control method is proposed that can provide transient performance similar to DTC with reduced torque pulsations at ...
Modeling and Evaluation of dv/dt Filters for
... Recent advances in power electronic switching device technology have resulted in dramatic improvements and cost reduction of pulse-width modulated AC adjustable speed drives. Concomitant with the better performance enabled by the high switching speed and increased switching frequency they have also ...
... Recent advances in power electronic switching device technology have resulted in dramatic improvements and cost reduction of pulse-width modulated AC adjustable speed drives. Concomitant with the better performance enabled by the high switching speed and increased switching frequency they have also ...
Beakman`s Motor - Rensselaer Polytechnic Institute
... As the coil spins, the current passes through it during half of the rotation cycle. The excitation of the coil is thus like a square wave. The coil is an inductor and a resistor. The connections to the coil have some finite contact resistance, the paper clips or whatever is used to connect the coil ...
... As the coil spins, the current passes through it during half of the rotation cycle. The excitation of the coil is thus like a square wave. The coil is an inductor and a resistor. The connections to the coil have some finite contact resistance, the paper clips or whatever is used to connect the coil ...
How a Dimmer Works
... and the current tends to lag behind the voltage. Once triggered a triac or thyristor relies on the current flowing through the device to keep it conducting. Should the current fall below the device’s threshold level it will turn off and stop conducting. However with an inductive load the current ’la ...
... and the current tends to lag behind the voltage. Once triggered a triac or thyristor relies on the current flowing through the device to keep it conducting. Should the current fall below the device’s threshold level it will turn off and stop conducting. However with an inductive load the current ’la ...
MQ2321452152
... controller, sliding mode controller [4] and nonlinear controller have been suggested to control DSTATCOM. But in DSTATCOM, nonlinear controller is preferred in comparison with linear method [5]. In non-linear controller, the generalized averaged method [6] has been used to determine the nonlinear ti ...
... controller, sliding mode controller [4] and nonlinear controller have been suggested to control DSTATCOM. But in DSTATCOM, nonlinear controller is preferred in comparison with linear method [5]. In non-linear controller, the generalized averaged method [6] has been used to determine the nonlinear ti ...
DTDG14GP
... No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Up ...
... No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Up ...
doubly fed induction generator in a wind turbine
... When there are torque pulsations in the shaft system, mechanical stresses may occur in the gearbox. To prevent breakdowns in the gearbox, torque control can damp the mechanical stresses. Each time when a rotor blade is passing the tower the phenomenon of tower interaction occurs. What produce this i ...
... When there are torque pulsations in the shaft system, mechanical stresses may occur in the gearbox. To prevent breakdowns in the gearbox, torque control can damp the mechanical stresses. Each time when a rotor blade is passing the tower the phenomenon of tower interaction occurs. What produce this i ...
Three-phase Sensorless BLDC Motor Control Kit with the This
... The main task for sensorless control of a BLDC motor is the estimation of rotor position. For rotor position estimation, this application uses a technique based on BEMF sensing. • Speed range from 5–10% up to 100% of nominal speed • The BEMF must be high enough • Based on the BEMF zero-crossing meth ...
... The main task for sensorless control of a BLDC motor is the estimation of rotor position. For rotor position estimation, this application uses a technique based on BEMF sensing. • Speed range from 5–10% up to 100% of nominal speed • The BEMF must be high enough • Based on the BEMF zero-crossing meth ...
Electric machines simulation with QuickField
... the part which generates the torque, defines the current loads and flux densities. End zones of electric machine usually require 3D simulation, and can not be performed with QuickField. ...
... the part which generates the torque, defines the current loads and flux densities. End zones of electric machine usually require 3D simulation, and can not be performed with QuickField. ...
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.