AP1520
... 0% to 99%, based on the output current loading. The output ripple voltage caused by the PWM high frequency switching can easily be reduced through an output filter. Therefore, this converter provides a low ripple output supply over a broad range of input voltage & output current loading ...
... 0% to 99%, based on the output current loading. The output ripple voltage caused by the PWM high frequency switching can easily be reduced through an output filter. Therefore, this converter provides a low ripple output supply over a broad range of input voltage & output current loading ...
Wavelet transform as a postprocessing diagnostic tool for fault
... condition exists until the time interval 1.6 s, where the designed fault occurs in the transmission system, eventually leading voltages and currents to behave abruptly above the set ratings until 1.7 s, where again it returns back to healthy conditions as designed for investigation. Figure 2e illust ...
... condition exists until the time interval 1.6 s, where the designed fault occurs in the transmission system, eventually leading voltages and currents to behave abruptly above the set ratings until 1.7 s, where again it returns back to healthy conditions as designed for investigation. Figure 2e illust ...
Same Voltage Ratio
... Polarity of all transformers that run in parallel, should be the same otherwise huge circulating current that flows in the transformer but no load will be fed from these transformers. Polarity of transformer means the instantaneous direction of induced emf in secondary. If the instantaneous directio ...
... Polarity of all transformers that run in parallel, should be the same otherwise huge circulating current that flows in the transformer but no load will be fed from these transformers. Polarity of transformer means the instantaneous direction of induced emf in secondary. If the instantaneous directio ...
Aalborg Universitet Kocewiak, Lukasz; Hjerrild, Jesper; Bak, Claus Leth
... different kinds of generators in order to avoid dealing with slip rings, which is extremely important if offshore wind farms are exposed to truculent environment, and any low voltage ride through (LVRT) difficulties characteristic for demanding grid codes [7]. Modeling strategies of harmonic sources ...
... different kinds of generators in order to avoid dealing with slip rings, which is extremely important if offshore wind farms are exposed to truculent environment, and any low voltage ride through (LVRT) difficulties characteristic for demanding grid codes [7]. Modeling strategies of harmonic sources ...
Rajasthan Technical University, Kota COURSE - FILE
... line and is supplied by an ac t+150πsource of voltage v = 100 sin (100 ). Write the expression for the short circuit current, i(t). Find the approximate value of the first current maximum for the gIen =900? What should be the instant ofθ=0, and α. What is this value for θ and αvalues of short circui ...
... line and is supplied by an ac t+150πsource of voltage v = 100 sin (100 ). Write the expression for the short circuit current, i(t). Find the approximate value of the first current maximum for the gIen =900? What should be the instant ofθ=0, and α. What is this value for θ and αvalues of short circui ...
ADN4667 数据手册DataSheet 下载
... Active High Enable and Power-Down Input (3 V TTL/CMOS). If EN is held low or open circuit, EN enables the drivers when high and disables the drivers when low. Driver Channel 1 Logic Input. Driver Channel 2 Logic Input. Power Supply Input. These parts can be operated from 3.0 V to 3.6 V. The supply s ...
... Active High Enable and Power-Down Input (3 V TTL/CMOS). If EN is held low or open circuit, EN enables the drivers when high and disables the drivers when low. Driver Channel 1 Logic Input. Driver Channel 2 Logic Input. Power Supply Input. These parts can be operated from 3.0 V to 3.6 V. The supply s ...
1.2 MHz Step-up Converter for Display Bias
... 1.2 MHz, the optimum inductor value for most cases would be 10 μH. The inductor should have low winding resistance, typically < 1 , and the core should have low losses at 1.2 MHz. For worst-case conditions of high output voltage and current, and low input voltage, the inductor should be rated at th ...
... 1.2 MHz, the optimum inductor value for most cases would be 10 μH. The inductor should have low winding resistance, typically < 1 , and the core should have low losses at 1.2 MHz. For worst-case conditions of high output voltage and current, and low input voltage, the inductor should be rated at th ...
SEL-734 Data Sheet
... Correlate system disturbances with the voltage sag/swell/interruptions (VSSI) recorder. Enabled from the factory, the VSSI recorder time-stamps voltage excursions with up to 1ms resolution and records indefinitely using an adaptive sampling rate. The SEL-734 stores and reports residual voltage, dura ...
... Correlate system disturbances with the voltage sag/swell/interruptions (VSSI) recorder. Enabled from the factory, the VSSI recorder time-stamps voltage excursions with up to 1ms resolution and records indefinitely using an adaptive sampling rate. The SEL-734 stores and reports residual voltage, dura ...
rinehart motion systems llc
... any more. To go faster, the motor has to enter “field weakening”, where the Drive adds current to defeat some of the permanent magnet field, so the motor output voltage is reduced and stays below the hard limit – in this case 215VAC. If the maximum motor rated current is 300 Arms, you still can’t ca ...
... any more. To go faster, the motor has to enter “field weakening”, where the Drive adds current to defeat some of the permanent magnet field, so the motor output voltage is reduced and stays below the hard limit – in this case 215VAC. If the maximum motor rated current is 300 Arms, you still can’t ca ...
Effect of Current Injection Cable on Lightning Surge
... Measurements are carried out in order to confirm the accuracy of a numerical simulation by means of a circuit analysis program, Electromagnetic Transients Program (EMTP). The measured results are physically explained by theoretical calculations using travelling wave theory. The characteristic impeda ...
... Measurements are carried out in order to confirm the accuracy of a numerical simulation by means of a circuit analysis program, Electromagnetic Transients Program (EMTP). The measured results are physically explained by theoretical calculations using travelling wave theory. The characteristic impeda ...
Vencislav Cekov Valchev, Todor Atanasov Filchev, Dimitre Dimov
... electronic converter systems are associated with multi-level converter structure for energy conversion at high voltage levels (kV and MV). These new circuits allow economical replacement of conventional power distribution transformer with high frequency (HF) DC-DC converter and HF transformer. This ...
... electronic converter systems are associated with multi-level converter structure for energy conversion at high voltage levels (kV and MV). These new circuits allow economical replacement of conventional power distribution transformer with high frequency (HF) DC-DC converter and HF transformer. This ...
Third-Order ΣΑ Modulator with 61-dB SNR and 6-MHz
... to identify power hungry components and to limit their power request and, possibly, their number. Since the power of an op-amp increases in a quadratic way with its bandwidth, it is mandatory to keep at the minimum the clock frequency and, accordingly, the OSR. However, with low OSR, it is necessary ...
... to identify power hungry components and to limit their power request and, possibly, their number. Since the power of an op-amp increases in a quadratic way with its bandwidth, it is mandatory to keep at the minimum the clock frequency and, accordingly, the OSR. However, with low OSR, it is necessary ...
its-50c transfer switch
... switching. Another time for bypassing the delay is during diagnostic and troubleshooting efforts; if bypassing the delay causes the switch to work when it otherwise won’t, then the time delay has malfunctioned and the board should be replaced. To bypass the time delay, locate the switch on the end o ...
... switching. Another time for bypassing the delay is during diagnostic and troubleshooting efforts; if bypassing the delay causes the switch to work when it otherwise won’t, then the time delay has malfunctioned and the board should be replaced. To bypass the time delay, locate the switch on the end o ...
to this file: /twr8-11w
... of thermal cycling (–55 to +125°C, 30°C/minute) and simultaneous, gradually increasing, random longitudinal and rotational vibration up to 20G’s with load cycling and applied-voltage extremes added as desired. Many devices in Murata Power Solutions' new A-Series could not be made to fail prior to re ...
... of thermal cycling (–55 to +125°C, 30°C/minute) and simultaneous, gradually increasing, random longitudinal and rotational vibration up to 20G’s with load cycling and applied-voltage extremes added as desired. Many devices in Murata Power Solutions' new A-Series could not be made to fail prior to re ...
MAX4007/MAX4008 High-Accuracy, 76V, High-Side Current Monitors in SOT23 General Description
... In applications where power-supply noise can interfere with DC diode measurements, additional filtering is suggested. Such noise is commonly seen when switching power supplies are used to generate the photodiode bias voltage. As shown in the Typical Operating Circuit, a pi filter (two 0.22µF capacit ...
... In applications where power-supply noise can interfere with DC diode measurements, additional filtering is suggested. Such noise is commonly seen when switching power supplies are used to generate the photodiode bias voltage. As shown in the Typical Operating Circuit, a pi filter (two 0.22µF capacit ...
Sky Wing
... Operates quietly and saves on energy During the middle of the 1990s Swegon introduced the new Wing axi-centrifugal fan into the GOLD air handling system. Since then, this type of fan, of patented design, has undergone further development and has been used to an ever increasing extent in our product ...
... Operates quietly and saves on energy During the middle of the 1990s Swegon introduced the new Wing axi-centrifugal fan into the GOLD air handling system. Since then, this type of fan, of patented design, has undergone further development and has been used to an ever increasing extent in our product ...
English
... the same quality standards. They are delivered with an authenticated performance test protocol. The above-mentioned specifications represent a guaranteed minimum performance. Nagra is continually improving its products and technologies; as a result, the above specifications may be modified ...
... the same quality standards. They are delivered with an authenticated performance test protocol. The above-mentioned specifications represent a guaranteed minimum performance. Nagra is continually improving its products and technologies; as a result, the above specifications may be modified ...
PS1: Overcurrent Protection of a Substation Power Transformer
... Introduction For economic considerations, small-three-phase power transformers (less than 100 kVA) are usually protected with fuses. The main disadvantage of using fuses to protect power transformers is their long operating time under low overcurrent conditions. This delays transformer disconnection ...
... Introduction For economic considerations, small-three-phase power transformers (less than 100 kVA) are usually protected with fuses. The main disadvantage of using fuses to protect power transformers is their long operating time under low overcurrent conditions. This delays transformer disconnection ...
Model NV-1672
... Employing NVT’s latest generation DigitalEQ technology, the NV-1672 is an 16-channel active (amplified) hub that allows the transmission of full-motion monochrome or color video for distances up to 1 mile (1,6km) using Category 2 or better unshielded twisted-pair (UTP) wire. The receiver hub continu ...
... Employing NVT’s latest generation DigitalEQ technology, the NV-1672 is an 16-channel active (amplified) hub that allows the transmission of full-motion monochrome or color video for distances up to 1 mile (1,6km) using Category 2 or better unshielded twisted-pair (UTP) wire. The receiver hub continu ...
A Genetic Algorithm for Solving the Optimal Power Flow Problem
... To compare these results with conventional method using the same cost objective function we have take conventional method present in [13]. The method is based on a QuasiNewton Method using Broyden-Fletcher-Goldfarb-Shanno (BFGS) updating formula and iterated with the Newton Raphson load flow. The re ...
... To compare these results with conventional method using the same cost objective function we have take conventional method present in [13]. The method is based on a QuasiNewton Method using Broyden-Fletcher-Goldfarb-Shanno (BFGS) updating formula and iterated with the Newton Raphson load flow. The re ...