AMT 109C Course Notes
... All forces weaken exponentially with relative distance. As these forces interact, and electrons are moved, heat is generated, and therefore this energy is usually lost. The temperature of any material will effect its qualities including its conductivity. System design is always limited by these qual ...
... All forces weaken exponentially with relative distance. As these forces interact, and electrons are moved, heat is generated, and therefore this energy is usually lost. The temperature of any material will effect its qualities including its conductivity. System design is always limited by these qual ...
Investigation of a Power Factor Correction Fed
... the several advantages of brushless direct current motors (BLDC) operating under these circumstances, a continuous growth in the number of applications has been noticed during the past years. These features are high efficiency, high flux density per unit volume, low electromagnetic interference, sil ...
... the several advantages of brushless direct current motors (BLDC) operating under these circumstances, a continuous growth in the number of applications has been noticed during the past years. These features are high efficiency, high flux density per unit volume, low electromagnetic interference, sil ...
RHRD440, RHRD460, RHRD440S, RHRD460S 4A, 400V
... (trr < 30ns). They have half the recovery time of ultrafast diodes and are of silicon nitride passivated ion-implanted epitaxial planar construction. ...
... (trr < 30ns). They have half the recovery time of ultrafast diodes and are of silicon nitride passivated ion-implanted epitaxial planar construction. ...
LOVOS-5 LOVOS-10 Low voltage surge arrester
... The principal „active” element of the surge arrester is a metal oxide varistor characterised by high non-linearity. At a working voltage mainly a capacity current flows smaller than 1 mA. Any voltage increase causes a large increase of current flowing through the varistor, leading in turn to immedia ...
... The principal „active” element of the surge arrester is a metal oxide varistor characterised by high non-linearity. At a working voltage mainly a capacity current flows smaller than 1 mA. Any voltage increase causes a large increase of current flowing through the varistor, leading in turn to immedia ...
S701 Soft Start Controllers and TL Torque Limiters for Intelligent
... Our S701 Soft Start Controllers and TL Torque Limiters provide solid-state reduced voltage control of three-phase and single-phase motors. These easy-to-install, compact devices are rated up to 25A, providing controlled acceleration and deceleration of fractional to 15HP/11kW motors at 480/400V AC. ...
... Our S701 Soft Start Controllers and TL Torque Limiters provide solid-state reduced voltage control of three-phase and single-phase motors. These easy-to-install, compact devices are rated up to 25A, providing controlled acceleration and deceleration of fractional to 15HP/11kW motors at 480/400V AC. ...
Three-phase to Single-phase Cyclo-converters
... The circuit of a three-phase to single-phase cyclo-converter is shown in Fig. 30.1. Two threephase full-wave (six-pulse) bridge converters (rectifier) connected back to back, with six thyristors for each bridge, are used. The ripple frequency here is 300 Hz, six times the input frequency of 50 Hz. S ...
... The circuit of a three-phase to single-phase cyclo-converter is shown in Fig. 30.1. Two threephase full-wave (six-pulse) bridge converters (rectifier) connected back to back, with six thyristors for each bridge, are used. The ripple frequency here is 300 Hz, six times the input frequency of 50 Hz. S ...
FAN2012 1.5 A Low-Voltage, Current-Mode Synchronous PWM Buck Regulator
... response ensures excellent line and load regulation. The fixed 1.3 MHz switching frequency enables designers to choose a small, inexpensive external inductor and capacitor. Filtering is easily accomplished with very small components. ...
... response ensures excellent line and load regulation. The fixed 1.3 MHz switching frequency enables designers to choose a small, inexpensive external inductor and capacitor. Filtering is easily accomplished with very small components. ...
small-signal hybrid-π equivalent circuit
... for constant values of B-E voltage. The curves are linear with respect to C-E voltage in forward-active mode. The slope is due to base-width modulation effect Early Effect. When the curves extrapolated at zero current, they meet a point on –ve voltage axis, vce = -VA. VA --Early voltage with typic ...
... for constant values of B-E voltage. The curves are linear with respect to C-E voltage in forward-active mode. The slope is due to base-width modulation effect Early Effect. When the curves extrapolated at zero current, they meet a point on –ve voltage axis, vce = -VA. VA --Early voltage with typic ...
C2175 Datasheet
... mode; the remainder charges capacitor Caux. As soon as the AUX pin voltage rises to VAUXRUN, the C2175 changes to Initialise mode. Current consumption increases to IAUXRUN while internal circuits are enabled. At the same time the internal clock starts the timer that ensures the VSHUTDN threshold to ...
... mode; the remainder charges capacitor Caux. As soon as the AUX pin voltage rises to VAUXRUN, the C2175 changes to Initialise mode. Current consumption increases to IAUXRUN while internal circuits are enabled. At the same time the internal clock starts the timer that ensures the VSHUTDN threshold to ...
Si85xx AC Current Sensor Family
... Family of current sensors supporting 5, 10, and 20 A full-scale measurements Less than 1.3 mΩ primary series resistance; less than 2 nH primary inductance at 25 ºC Measurement accuracy to ±5% Small 4x4x1 mm QFN package "Ping-Pong" output version enables one Si851x to replace two current transformers ...
... Family of current sensors supporting 5, 10, and 20 A full-scale measurements Less than 1.3 mΩ primary series resistance; less than 2 nH primary inductance at 25 ºC Measurement accuracy to ±5% Small 4x4x1 mm QFN package "Ping-Pong" output version enables one Si851x to replace two current transformers ...
Diagnostic News OFF-LINE DIAGNOSTIC TESTING OF STATOR WINDING INSULATION January 2016
... and uniformity of individual stator bars and coils. Dissipation factor testing belongs to the broad range of measurements of dielectric loss and is also commonly referred to as the tan delta or power factor test. Power factor is the cotangent of the loss angle (delta) whereas dissipation factor repr ...
... and uniformity of individual stator bars and coils. Dissipation factor testing belongs to the broad range of measurements of dielectric loss and is also commonly referred to as the tan delta or power factor test. Power factor is the cotangent of the loss angle (delta) whereas dissipation factor repr ...
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.