A044040108
... voltage stability which can ultimately result in detrimental effects on the life of sensitive electronic equipment or even intermittent malfunction. Voltage transients created by DC drive SCR line notching, AC drive voltage chopping, and high frequency harmonic voltages and currents are all signific ...
... voltage stability which can ultimately result in detrimental effects on the life of sensitive electronic equipment or even intermittent malfunction. Voltage transients created by DC drive SCR line notching, AC drive voltage chopping, and high frequency harmonic voltages and currents are all signific ...
Application Tip - Beckwith Electric Co., Inc.
... drop. (If the bandcenter setting is 120 V and LDC voltage drop calculation is 3 V, the new bandcenter will be 123 V. This causes the desired voltage level to appear at the load center.) (The setpoint may also be correctly lowered with leading power factor loads.) Setting: R & X values are actually i ...
... drop. (If the bandcenter setting is 120 V and LDC voltage drop calculation is 3 V, the new bandcenter will be 123 V. This causes the desired voltage level to appear at the load center.) (The setpoint may also be correctly lowered with leading power factor loads.) Setting: R & X values are actually i ...
FAN2001/FAN2002 1A High-Efficiency Step-Down DC-DC Converter F
... At moderate and light loads, pulse skipping modulation is used. Dynamic voltage positioning is applied, and the output voltage is shifted 0.8% above nominal value for increased headroom during load transients. At higher loads the system automatically switches over to current mode PWM control, operat ...
... At moderate and light loads, pulse skipping modulation is used. Dynamic voltage positioning is applied, and the output voltage is shifted 0.8% above nominal value for increased headroom during load transients. At higher loads the system automatically switches over to current mode PWM control, operat ...
VDS(on), VCE(sat) Measurement
... seems easy at first glance, but due to the difference between off-state voltage (400V to 1000V) and onstate saturation voltage (some hundreds of mV to some Volts) and the necessity to keep good resolution, the oscilloscope amplifier input is over driven, causing distortion of the signal. For the pur ...
... seems easy at first glance, but due to the difference between off-state voltage (400V to 1000V) and onstate saturation voltage (some hundreds of mV to some Volts) and the necessity to keep good resolution, the oscilloscope amplifier input is over driven, causing distortion of the signal. For the pur ...
AN-1687 LM20125 Evaluation Board (Rev. A)
... The LM20125 is a full featured buck switching regulator capable of driving up to 5A of load current. The nominal 500 kHz switching frequency of the LM20125 reduces the size of the power stage components while still allowing for highly efficient operation. The LM20125 is capable of converting an inpu ...
... The LM20125 is a full featured buck switching regulator capable of driving up to 5A of load current. The nominal 500 kHz switching frequency of the LM20125 reduces the size of the power stage components while still allowing for highly efficient operation. The LM20125 is capable of converting an inpu ...
IEEE Transactions on Magnetics
... several advantages such as lower current stress and higher efficiency. To improve the line current quality, the switching frequency of the grid-connected inverter is expected to increase. Higher switching frequency is also helpful for decreasing the size and the cost of the filter. However, higher s ...
... several advantages such as lower current stress and higher efficiency. To improve the line current quality, the switching frequency of the grid-connected inverter is expected to increase. Higher switching frequency is also helpful for decreasing the size and the cost of the filter. However, higher s ...
ATV Transmitter from a Microwave Oven!
... reduces "hum bars" in the picture and lowlevel audio buzz in the NBFM mode. *Isolate the metal case of the 0.74 pF (on TI) capacitor from ground with plastic blocks, nylon screws, or other means. This will also reduce hum bars and buzz. *Using insulated standoffs, isolate T1 laminations, and frame f ...
... reduces "hum bars" in the picture and lowlevel audio buzz in the NBFM mode. *Isolate the metal case of the 0.74 pF (on TI) capacitor from ground with plastic blocks, nylon screws, or other means. This will also reduce hum bars and buzz. *Using insulated standoffs, isolate T1 laminations, and frame f ...
Design a Voltmeter
... • The output voltage of an ideal Op Amp is either V+ (VPOS) or V- (VNEG). • The output voltage of a real Op Amp, such as the LM 324, is not quite 9V (supposed to be 1.5V less than V+). – To measure exactly what the maximum voltage is, disconnect the all components on the output of the LM 324, place ...
... • The output voltage of an ideal Op Amp is either V+ (VPOS) or V- (VNEG). • The output voltage of a real Op Amp, such as the LM 324, is not quite 9V (supposed to be 1.5V less than V+). – To measure exactly what the maximum voltage is, disconnect the all components on the output of the LM 324, place ...
Document
... (7) In blocked rotor test power drawn from the src is wasted in_ _ _ ( core + copper losses ) (8) In SC test of T/F the predominant losses are_ _ _ ( cu losses ) (9) In which case Thyrister converter can act as Invertor_ _ _ (10) Function of auxiliary diode in the Thyrister commutation circuit_ _ _ ...
... (7) In blocked rotor test power drawn from the src is wasted in_ _ _ ( core + copper losses ) (8) In SC test of T/F the predominant losses are_ _ _ ( cu losses ) (9) In which case Thyrister converter can act as Invertor_ _ _ (10) Function of auxiliary diode in the Thyrister commutation circuit_ _ _ ...
Power System Stabilizer Tuning Study
... Specify impedance between generator and point of connection to high voltage system ____________ pu (note 7) ...
... Specify impedance between generator and point of connection to high voltage system ____________ pu (note 7) ...
attachment=18223
... cannot withstand this stress and would fail. The capacitor voltage is equal to the supply voltage when the thyristors are fired. The analysis shows that the current will jump immediately to the value of the steady-state current. The steady state condition is reached in an infinitely short time. Al ...
... cannot withstand this stress and would fail. The capacitor voltage is equal to the supply voltage when the thyristors are fired. The analysis shows that the current will jump immediately to the value of the steady-state current. The steady state condition is reached in an infinitely short time. Al ...
Electronic glossary
... converted into direct current in order to be usable. This is called rectification. UK domestic AC is supplied at 230V. Capacitor Capacitors are components that store charge. The higher the capacitance, the more charge they store. Capacitance is measured in Farads (F). Capacitors need to charge befor ...
... converted into direct current in order to be usable. This is called rectification. UK domestic AC is supplied at 230V. Capacitor Capacitors are components that store charge. The higher the capacitance, the more charge they store. Capacitance is measured in Farads (F). Capacitors need to charge befor ...
Voltage, Current, Resistance Lab
... Problem: Does the electric current flowing through a circuit vary at different points within a circuit? Materials: Power Supply ...
... Problem: Does the electric current flowing through a circuit vary at different points within a circuit? Materials: Power Supply ...
Simple and Series Circuits
... you computed in #1. What is the voltage of the new battery? How much power does it supply? ...
... you computed in #1. What is the voltage of the new battery? How much power does it supply? ...
BP5047A24
... shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability th ...
... shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability th ...
RPR-220 : Optical Sensors
... 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 ...
Switched-mode power supply
A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.