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θ θ θ - Indian Journal of Science and Technology
θ θ θ - Indian Journal of Science and Technology

... component, by increasing of filter inductance (Lf) or operational frequency (ω), τω can be increased in acceptable range. In Fig. 14, the 7th, 9th and 11th harmonic components respect fundamental component versus τω is plotted which shows that by increasing τω, harmonic component will be decreased a ...
RevF_093b
RevF_093b

... analog scan rates must be adjusted accordingly. This can be achieved by multiplying the rates (table above) by the factor (3 seconds / tr) where / tr is the response time in seconds. For example, if tr is 30 seconds, (3 seconds / tr) is 0.1. The rate for the 1 kHz to 10 kHz range becomes 3.33 Hz/sec ...
ACS 200 Frequency Converters for Speed Control of 0.55 to 4.0 kW
ACS 200 Frequency Converters for Speed Control of 0.55 to 4.0 kW

generator protection
generator protection

... power absorption capability. Hence, they are seldom operated with leading power factor. Typically leading power factor operation of generators results when the field excitation is reduced. Hence, limitations on the reactive power absorption capability set a lower limit on the reduction on field exci ...
AL1696 Description Features Pin Assignments Applications
AL1696 Description Features Pin Assignments Applications

... The AL1696 is a single stage, single winding inductor, high efficiency, and high power factor LED driver solution for mains input phase-cutting dimmable application. It is available for four internal MOSFET options (300V/3A, 400V/3A, 500V/2A and 600V/2A) which helps to reduce the overall LED driver ...
Commande Vectorielle Non Linéaire de L`onduleur MLI à
Commande Vectorielle Non Linéaire de L`onduleur MLI à

When the output voltage increases
When the output voltage increases

... The series element controls the amount of the input voltage that gets to the output. If the output voltage increases (or decreases), the comparator circuit provides a control signal to cause the series control element to decrease (or increase) the amount of the output voltage. ...
Troubleshooting Low Voltage Measurement Problems - Techni-Tool
Troubleshooting Low Voltage Measurement Problems - Techni-Tool

Non-RF Applications for the Surface Mount Schottky Diode Pairs
Non-RF Applications for the Surface Mount Schottky Diode Pairs

MAX15000/MAX15001 Current-Mode PWM Controllers with Programmable Switching Frequency General Description
MAX15000/MAX15001 Current-Mode PWM Controllers with Programmable Switching Frequency General Description

MOSFETS SOT-323 Plastic-Encapsulate  2SK3018
MOSFETS SOT-323 Plastic-Encapsulate 2SK3018

... JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD ...
Voltage (Multi-Range) Sensor
Voltage (Multi-Range) Sensor

UVM_CSat_F - University of Vermont
UVM_CSat_F - University of Vermont

TX-o I A Transistor Computer with a 256 by 256 Memory
TX-o I A Transistor Computer with a 256 by 256 Memory

... Standardized building blocks are practical because of the small number of types of circuits required in a system, and because of the large driving capabilities of the saturated transistor. Even though the rated power dissipation of the transistor may be low, it can drive a large load because there i ...
Same Voltage Ratio
Same Voltage Ratio

FSL156MRBN Green-Mode Fairchild Power Switch (FPS™)
FSL156MRBN Green-Mode Fairchild Power Switch (FPS™)

AN-6073 FAN6751 — Highly Integrated Green-Mode PWM Controller Introduction ƒ
AN-6073 FAN6751 — Highly Integrated Green-Mode PWM Controller Introduction ƒ

... highly integrated FAN6751 series of PWM controllers provides several features to enhance the performance for LCDM/TV, NB, and adapters. The green-mode function includes off-time modulation and burst mode to reduce the PWM frequency at light-load and in no-load conditions. To avoid acoustic noise pro ...
ABB industrial drives ACS880, single drives 0.75 to 1700 hp (0.55 to
ABB industrial drives ACS880, single drives 0.75 to 1700 hp (0.55 to

Chapter 8 - Introduction to Alternating Current and Voltage
Chapter 8 - Introduction to Alternating Current and Voltage

BDTIC www.BDTIC.com/infineon B u c k   C o n v... P h a s e   N o d...
BDTIC www.BDTIC.com/infineon B u c k C o n v... P h a s e N o d...

Motion control Lexium 32i integrated drives
Motion control Lexium 32i integrated drives

... The Lexium 32i range is an integral part of a control system's safety system, featuring as it does an integrated Safe Torque Off (STO) function, which helps to prevent unintended servo motor operation. This function complies with standard IEC/EN 61508 level SIL3 governing electrical installations an ...
Spring Return EconoDrive™ Two
Spring Return EconoDrive™ Two

by Hag/M1 6.9%
by Hag/M1 6.9%

Application Note
Application Note

... • The improvement in current sharing comes with the disadvantage of higher power consumption in the resistors and lower system efficiency. • If a single LED fails short, the remaining LEDS in the same string will be exposed to a higher stress level as they are forced to handle a larger share of curr ...
EMI EMISSIONS
EMI EMISSIONS

... The rms magnitude of Ilg CM noise current increases with higher carrier frequency selected, since the repetition rate in Fig. 2 is faster. Higher quantities of ASD may increase the rms magnitude of CM noise and EMI, due to increased Ilg in the ground circuit. Ilg current returns to ASD ground Potent ...
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Stepper motor



A stepper motor or step motor or stepping motor is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any feedback sensor (an open-loop controller), as long as the motor is carefully sized to the application in respect to torque and speed.Switched reluctance motors are very large stepping motors with a reduced pole count, and generally are closed-loop commutated.
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