
TECHNICAL SPECIFICATION FOR A 3 TO 15 KVA
... damage to the battery bank. The system shall supply a clean, computer grade, sinusoidal output waveform with less than 5% total harmonic distortion at full rated load. Dynamic brownout protection must maintain the desired voltage without continuously switching to batteries in low voltage situations ...
... damage to the battery bank. The system shall supply a clean, computer grade, sinusoidal output waveform with less than 5% total harmonic distortion at full rated load. Dynamic brownout protection must maintain the desired voltage without continuously switching to batteries in low voltage situations ...
XYZs of Oscilloscopes Analog Oscilloscope Digital Storage Oscilloscope Digital Phosphor Oscilloscope
... types (see Figure 5). Fundamentally an analog oscilloscope works by applying the measured signal voltage directly to an electron beam moving across the oscilloscope screen (usually a cathode-ray tube, CRT). The back side of the screen is treated with a coating that phosphoresces wherever the electro ...
... types (see Figure 5). Fundamentally an analog oscilloscope works by applying the measured signal voltage directly to an electron beam moving across the oscilloscope screen (usually a cathode-ray tube, CRT). The back side of the screen is treated with a coating that phosphoresces wherever the electro ...
AD2s1205
... data must be presumed to be invalid. This means that even if a RESET or SAMPLE pulse releases the fault condition, the output data may be corrupted, even though a fault may not be immediately indicated after the RESET/ SAMPLE event. As discussed earlier, there are some fault conditions with inherent ...
... data must be presumed to be invalid. This means that even if a RESET or SAMPLE pulse releases the fault condition, the output data may be corrupted, even though a fault may not be immediately indicated after the RESET/ SAMPLE event. As discussed earlier, there are some fault conditions with inherent ...
Linux+ Guide to Linux Certification
... • Analog signals are continuous • Digital signals are discrete • Modem (MOdulator/DEModulator): Used when digital signals must be transmitted over analog medium – On originating end, converts distinct digital signals into continuous analog signal for transmission – On receiving end, reverse process ...
... • Analog signals are continuous • Digital signals are discrete • Modem (MOdulator/DEModulator): Used when digital signals must be transmitted over analog medium – On originating end, converts distinct digital signals into continuous analog signal for transmission – On receiving end, reverse process ...
Liebert ® APM ™ UPS
... B. Emergency - Upon failure of utility AC power, the critical AC load is supplied by the inverter, which obtains power from the battery. There shall be no interruption in power to the critical load upon failure or restoration of the utility AC source. C. Recharge - Upon restoration of utility AC pow ...
... B. Emergency - Upon failure of utility AC power, the critical AC load is supplied by the inverter, which obtains power from the battery. There shall be no interruption in power to the critical load upon failure or restoration of the utility AC source. C. Recharge - Upon restoration of utility AC pow ...
Introduction to Oscilloscopes
... Digital scopes must convert an analog value into a digital sample and store that in the scope’s memory. The stored signal is then visually reconstructed on the display with missing data interpolated as if the data were actually present. Interpolated data is not actually present, rather it ...
... Digital scopes must convert an analog value into a digital sample and store that in the scope’s memory. The stored signal is then visually reconstructed on the display with missing data interpolated as if the data were actually present. Interpolated data is not actually present, rather it ...
Efficient Far-Field Radio Frequency Energy Harvesting for Passively
... have a backup battery in case the power provided by the RF radiation is insufficient. Other applications for RF powered devices include access control, equipment monitoring and even personal identification. In all of these applications, there must be a power conversion circuit that can extract enoug ...
... have a backup battery in case the power provided by the RF radiation is insufficient. Other applications for RF powered devices include access control, equipment monitoring and even personal identification. In all of these applications, there must be a power conversion circuit that can extract enoug ...
100 MHz to 6 GHz TruPwr™ Detector ADL5500
... and +85°C vs. +25°C Linear Reference, Frequency 2700 MHz, Supply 5.0 V ...
... and +85°C vs. +25°C Linear Reference, Frequency 2700 MHz, Supply 5.0 V ...
Voltage regulator labs, procedures and explanations
... monitors the center of that divider. Consider two cases to convince yourself that vout has a unique stable equilibrium that we can set with R1 and R2 (which may be replaced with a potentiometer). (i) When the center of the divider is greater than VZ + 0.65 V, QR pulls more current through the 1 kΩ r ...
... monitors the center of that divider. Consider two cases to convince yourself that vout has a unique stable equilibrium that we can set with R1 and R2 (which may be replaced with a potentiometer). (i) When the center of the divider is greater than VZ + 0.65 V, QR pulls more current through the 1 kΩ r ...
LabVIEW based Electrical Machines Laboratory for
... supplied to rotor with electromagnetic induction. The fundamental relations associated with Induction motor are given below [21]. The speed of magnetic field’s rotation can be calculated as: ...
... supplied to rotor with electromagnetic induction. The fundamental relations associated with Induction motor are given below [21]. The speed of magnetic field’s rotation can be calculated as: ...
Three-Phase Induction Motor Operating from Single
... This paper uses the criteria of minimum unbalance of the phase voltages at all motor speeds. It can be shown that ideally the capacitor should be varied continuously with the speed of the machine, but in practice the choice is limited to two set capacitor values, as in the case of split-phase motors ...
... This paper uses the criteria of minimum unbalance of the phase voltages at all motor speeds. It can be shown that ideally the capacitor should be varied continuously with the speed of the machine, but in practice the choice is limited to two set capacitor values, as in the case of split-phase motors ...
MAX3316E–MAX3319E ±15kV ESD-Protected, 2.5V, 1µA, 460kbps, RS-232 Compatible Transceivers ________________General Description
... These devices automatically enter a low-power shutdown mode when the RS-232 cable is disconnected or the transmitters of the connected peripherals are inactive for more than 30 seconds. They turn on again when they sense a valid transition at any transmitter or receiver input. AutoShutdown Plus save ...
... These devices automatically enter a low-power shutdown mode when the RS-232 cable is disconnected or the transmitters of the connected peripherals are inactive for more than 30 seconds. They turn on again when they sense a valid transition at any transmitter or receiver input. AutoShutdown Plus save ...
ECODRIVE DKC03.1 Drive Controller
... 2.2 Protection against contact with electrical parts .................................................................................... 2-2 2.3 Protection against electrical shock from protective low voltage (PELV) ....................................... 2-3 2.4 Protection against dangerous moveme ...
... 2.2 Protection against contact with electrical parts .................................................................................... 2-2 2.3 Protection against electrical shock from protective low voltage (PELV) ....................................... 2-3 2.4 Protection against dangerous moveme ...
A Power Delivery Network Aware Framework for Synthesis of 3D
... directed swaps are possible on it and is never again considered for further swaps. When the existing number of candidates reach the upper bound of N, only the best swaps are made on all the non-leaf solutions (B is reduced to 1) until they converge to equilibrium (a state where valid swaps which red ...
... directed swaps are possible on it and is never again considered for further swaps. When the existing number of candidates reach the upper bound of N, only the best swaps are made on all the non-leaf solutions (B is reduced to 1) until they converge to equilibrium (a state where valid swaps which red ...
SPECIFICATIONS FOR CENTRIFUGAL PUMP AND FAN
... approved equal. Substitutions must be submitted in writing three (3) weeks prior to original bid date with supporting documentation demonstrating that the alternative manufacturer meets all aspects of the specifications herein. B. Alternate control techniques other than pulse width modulated (PWM) a ...
... approved equal. Substitutions must be submitted in writing three (3) weeks prior to original bid date with supporting documentation demonstrating that the alternative manufacturer meets all aspects of the specifications herein. B. Alternate control techniques other than pulse width modulated (PWM) a ...
LM2595 SIMPLE SWITCHER Power Converter 150 kHz 1A Step
... A standard series of inductors are available from several different manufacturers optimized for use with the LM2595 series. This feature greatly simplifies the design of switch-mode power supplies. Other features include a ±4% tolerance on output voltage under specified input voltage and output load ...
... A standard series of inductors are available from several different manufacturers optimized for use with the LM2595 series. This feature greatly simplifies the design of switch-mode power supplies. Other features include a ±4% tolerance on output voltage under specified input voltage and output load ...
LVDS, CML, ECL-differential interfaces with odd
... with either pre-emphasis or de-emphasis. Or post equalization at the load end with special amplifier stages and or equalizer (analog or digital) circuits in the front-end of the receiver device. The information sent may also be "optimized" for data transmission. Encoding of the data can be done to l ...
... with either pre-emphasis or de-emphasis. Or post equalization at the load end with special amplifier stages and or equalizer (analog or digital) circuits in the front-end of the receiver device. The information sent may also be "optimized" for data transmission. Encoding of the data can be done to l ...
Surge protection - Phoenix Contact
... for the power supply Safe Energy Control, or SEC for short, represents nonreactive, powerful surge protection technology. The protective devices work discreetly in the background, providing consistent safeguarding for the entire system – including the backup fuses – even in cases where high lightnin ...
... for the power supply Safe Energy Control, or SEC for short, represents nonreactive, powerful surge protection technology. The protective devices work discreetly in the background, providing consistent safeguarding for the entire system – including the backup fuses – even in cases where high lightnin ...
A 21mW 8-b 125 MS/s ADC in 0.09 mm2 0.13 um
... In other words, the differential-mode transfer function of these cross-coupled switches equals zero in reset mode. During amand are turned on, the differenplify mode, when only tial-mode transfer function equals one. The fact that the error voltage no longer ripples through the complete FADC signifi ...
... In other words, the differential-mode transfer function of these cross-coupled switches equals zero in reset mode. During amand are turned on, the differenplify mode, when only tial-mode transfer function equals one. The fact that the error voltage no longer ripples through the complete FADC signifi ...
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.