2003 SINTES Craiova
... precision of the phase-meter. The resolution of the measurement depends on the number of the pulses that are count in the minimum time lag. I.e. for a 0,1o resolution at least one pulse must be counted. For an entire period, a total number of 360/0,1=3600 pulses must be counted. If the period of the ...
... precision of the phase-meter. The resolution of the measurement depends on the number of the pulses that are count in the minimum time lag. I.e. for a 0,1o resolution at least one pulse must be counted. For an entire period, a total number of 360/0,1=3600 pulses must be counted. If the period of the ...
DATASHEET: Furman AR-1220
... The AR-1220 circuitry monitors the incoming line voltage with each cycle, comparing it to an extremely precise voltage reference, accurate to ±0.15%. If a voltage fluctuation requires that a different tap be selected, the new tap is electronically switched exactly at the zero-crossing, to avoid dist ...
... The AR-1220 circuitry monitors the incoming line voltage with each cycle, comparing it to an extremely precise voltage reference, accurate to ±0.15%. If a voltage fluctuation requires that a different tap be selected, the new tap is electronically switched exactly at the zero-crossing, to avoid dist ...
UMS-800-A16-G
... Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Abs ...
... Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Abs ...
full abstracts in word format
... other, each network being coupled to a respective power generator station. The converter, having an AC side and a DC side, includes a bridge of semiconductor switches with gate turn-off capability coupled to a control system to produce a bridge voltage waveform having a fundamental Fourier component ...
... other, each network being coupled to a respective power generator station. The converter, having an AC side and a DC side, includes a bridge of semiconductor switches with gate turn-off capability coupled to a control system to produce a bridge voltage waveform having a fundamental Fourier component ...
E10 Introduction to Engineering
... The resistance between the center wiper terminal and either of the end terminals depends on the rotation angle of the shaft. A POT is rated by its end-to-end resistance and its power rating (the maximum power that it can dissipate without burning out). We have three types of POTs in the lab: 10Ω, 50 ...
... The resistance between the center wiper terminal and either of the end terminals depends on the rotation angle of the shaft. A POT is rated by its end-to-end resistance and its power rating (the maximum power that it can dissipate without burning out). We have three types of POTs in the lab: 10Ω, 50 ...
Sampling Rate
... for our chosen application. In such cases a voltage divider can be a very useful electronic circuit if Vout in Figure 2 above is connected to a circuit with high impedance—such as a DAQ or multimeter. A voltage divider is a combination of resistors that reduces the voltage from a voltage source acco ...
... for our chosen application. In such cases a voltage divider can be a very useful electronic circuit if Vout in Figure 2 above is connected to a circuit with high impedance—such as a DAQ or multimeter. A voltage divider is a combination of resistors that reduces the voltage from a voltage source acco ...
p130_holman_poster
... A SEFI-hardened DC/DC switching power converter (boost topology) has successfully been implemented using a reconfigurable digital control loop based on FPGAs. ...
... A SEFI-hardened DC/DC switching power converter (boost topology) has successfully been implemented using a reconfigurable digital control loop based on FPGAs. ...
phase shift - Controlled Power Company
... magnetic shunts in their design to obtain substantial values of leakage inductance between the primary and secondary circuits. The leakage inductance isolates the primary from secondary load variations, providing excellent regulation. The magnetic shunts also represent a parallel path for the power ...
... magnetic shunts in their design to obtain substantial values of leakage inductance between the primary and secondary circuits. The leakage inductance isolates the primary from secondary load variations, providing excellent regulation. The magnetic shunts also represent a parallel path for the power ...
EEE 103-1217
... transistor) is switched on by a positive current through the base and emitter, and then switched off by withdrawing the above signal. The collector is connected to a positive voltage. Now-a-days, MOSFETs are used as a switching device in low voltage and high current applications. It may be noted tha ...
... transistor) is switched on by a positive current through the base and emitter, and then switched off by withdrawing the above signal. The collector is connected to a positive voltage. Now-a-days, MOSFETs are used as a switching device in low voltage and high current applications. It may be noted tha ...
Pulse Density Modulation Adopted Dc
... will be affected. These power control schemes may increases switching losses because it is impossible for switching devices to be always turned on and off at zero current. The paper [6] gives a clear idea about the PDM control with ZVS soft switching in the IGBT series resonant inverter and this pap ...
... will be affected. These power control schemes may increases switching losses because it is impossible for switching devices to be always turned on and off at zero current. The paper [6] gives a clear idea about the PDM control with ZVS soft switching in the IGBT series resonant inverter and this pap ...
S6510P
... Soft start resistor connection pin. The soft start resistor value determines the initial soft start frequency for preheating. Input to the protection circuit. If the pin voltage is lower than Vref, the output oh The output driver1,2 is inhibited. Ground of the control Section. ...
... Soft start resistor connection pin. The soft start resistor value determines the initial soft start frequency for preheating. Input to the protection circuit. If the pin voltage is lower than Vref, the output oh The output driver1,2 is inhibited. Ground of the control Section. ...
EMAC single board controller interfaceing guidelines.
... Most EMAC Single Board Controllers (SBCs) come equipped with counter inputs. When using a counter most all the rules of digital inputs apply especially with regard to switch bounce. If a switch was connected to a counter every time the switch was flipped, the counter might count 5 or more pulses due ...
... Most EMAC Single Board Controllers (SBCs) come equipped with counter inputs. When using a counter most all the rules of digital inputs apply especially with regard to switch bounce. If a switch was connected to a counter every time the switch was flipped, the counter might count 5 or more pulses due ...
A Simple Square Rooting Circuit Based on Operational Amplifiers
... Amps, would flow through and charge capacitor C1. During this charging (till the output of OA1 reaches the voltage level of VR) the output of the operational amplifier OA2, configured to work as a comparator, is at the LOW state and switch S1 is kept open (OFF). As soon as the output of OA1 crosses ...
... Amps, would flow through and charge capacitor C1. During this charging (till the output of OA1 reaches the voltage level of VR) the output of the operational amplifier OA2, configured to work as a comparator, is at the LOW state and switch S1 is kept open (OFF). As soon as the output of OA1 crosses ...
Building a Better Voltage Regulator for Your Test Fixtures
... For those of you who roll your own test fixtures here is a suggestion for an improved Voltage Regulator for powering the Device Under Test (DUT). The voltage is easily set by selecting one resistor. Output current is designed for one Amp or less at a maximum of around 30 Volts. Specific maximum woul ...
... For those of you who roll your own test fixtures here is a suggestion for an improved Voltage Regulator for powering the Device Under Test (DUT). The voltage is easily set by selecting one resistor. Output current is designed for one Amp or less at a maximum of around 30 Volts. Specific maximum woul ...
EXL – Emergency Transfer Load Manager
... Additional Discrete Synchronization Protection for the Synchronizing Circuit B k ...
... Additional Discrete Synchronization Protection for the Synchronizing Circuit B k ...
View - IJEI
... The car audio industry has in recent years growth rates above the Brazilian economy as a whole, while the Gross Domestic Product (GDP) grew by about 5%, this sector has shown high growth rates driven by industry of new vehicles (30.21%) and motorcycles (22.6%). [1] The maximum automotive sound power ...
... The car audio industry has in recent years growth rates above the Brazilian economy as a whole, while the Gross Domestic Product (GDP) grew by about 5%, this sector has shown high growth rates driven by industry of new vehicles (30.21%) and motorcycles (22.6%). [1] The maximum automotive sound power ...
CLI325 - Clairex Technologies, Inc.
... • hermetically sealed components • various output configurations description The CLI300 series each consist of an IRED and photosensor mounted in a black plastic housing. Each device has 12 inch leads and two holes for bracket mounting in any position. Alternate output circuits and lead lengths are ...
... • hermetically sealed components • various output configurations description The CLI300 series each consist of an IRED and photosensor mounted in a black plastic housing. Each device has 12 inch leads and two holes for bracket mounting in any position. Alternate output circuits and lead lengths are ...
MCW101A, B Time Proportional Rotary Position Controller
... reference, and provides control signals to reduce either plus or minus errors. Two modules are housed in the case of the Controller. The slope sensing module electromagnetically measures the deviation between a gravity reference and the equipment it is mounted on. The amplifier module accepts the si ...
... reference, and provides control signals to reduce either plus or minus errors. Two modules are housed in the case of the Controller. The slope sensing module electromagnetically measures the deviation between a gravity reference and the equipment it is mounted on. The amplifier module accepts the si ...
TC-6100 Cybertronic Temp Controller
... AQ-6001 may be used for remote manual set point adjustment; an AQ-4102 MotorDriven Reset Control may be used to remotely reset the set point of either a local or remote adjustment. Appropriate sensing elements may be chosen from any of the Cybertronic 1000-ohm nickel wire resistance elements. All el ...
... AQ-6001 may be used for remote manual set point adjustment; an AQ-4102 MotorDriven Reset Control may be used to remotely reset the set point of either a local or remote adjustment. Appropriate sensing elements may be chosen from any of the Cybertronic 1000-ohm nickel wire resistance elements. All el ...
Pulse-width modulation
Pulse-width modulation (PWM), or pulse-duration modulation (PDM), is a modulation technique used to encode a message into a pulsing signal. Although this modulation technique can be used to encode information for transmission, its main use is to allow the control of the power supplied to electrical devices, especially to inertial loads such as motors. In addition, PWM is one of the two principal algorithms used in photovoltaic solar battery chargers, the other being MPPT.The average value of voltage (and current) fed to the load is controlled by turning the switch between supply and load on and off at a fast rate. The longer the switch is on compared to the off periods, the higher the total power supplied to the load.The PWM switching frequency has to be much higher than what would affect the load (the device that uses the power), which is to say that the resultant waveform perceived by the load must be as smooth as possible. Typically switching has to be done several times a minute in an electric stove, 120 Hz in a lamp dimmer, from few kilohertz (kHz) to tens of kHz for a motor drive and well into the tens or hundreds of kHz in audio amplifiers and computer power supplies.The term duty cycle describes the proportion of 'on' time to the regular interval or 'period' of time; a low duty cycle corresponds to low power, because the power is off for most of the time. Duty cycle is expressed in percent, 100% being fully on.The main advantage of PWM is that power loss in the switching devices is very low. When a switch is off there is practically no current, and when it is on and power is being transferred to the load, there is almost no voltage drop across the switch. Power loss, being the product of voltage and current, is thus in both cases close to zero. PWM also works well with digital controls, which, because of their on/off nature, can easily set the needed duty cycle.PWM has also been used in certain communication systems where its duty cycle has been used to convey information over a communications channel.