International Electrical Engineering Journal (IEEJ) Vol. 6 (2015) No.6, pp. 1925-1930
... applied to a wind energy conversion system employing a doubly fed induction generator to enhance the low voltage ride through of the system during 3-phase ground fault. PI controllers are used to allow variable speed operation of the DFIG for maximum wind power extraction. Other PI controllers are t ...
... applied to a wind energy conversion system employing a doubly fed induction generator to enhance the low voltage ride through of the system during 3-phase ground fault. PI controllers are used to allow variable speed operation of the DFIG for maximum wind power extraction. Other PI controllers are t ...
Applications of Power Electronics in Automotive Power
... small: The conventional buck design used in the prototype could be replaced with a highly integrated synchronous buck power stage, thus leveraging technology from the high-volume portable electronics market. Likewise, implementing the control on the stator or utilization of an improved communication ...
... small: The conventional buck design used in the prototype could be replaced with a highly integrated synchronous buck power stage, thus leveraging technology from the high-volume portable electronics market. Likewise, implementing the control on the stator or utilization of an improved communication ...
SESCTION-6-Chapter_16_rev1a
... may become problematic, due to differences in power definitions, extended for nonfundamental frequency content, and non-standardized measurement procedures, which are all based on sinusoidal voltages and currents, and equipment originally designed for undistorted signals [1]. In general, voltage and ...
... may become problematic, due to differences in power definitions, extended for nonfundamental frequency content, and non-standardized measurement procedures, which are all based on sinusoidal voltages and currents, and equipment originally designed for undistorted signals [1]. In general, voltage and ...
A Tariff for Reactive Power
... power and increase the system’s reactive power demand as transmission line loadings shift. • Planning studies and real-time analysis tools tell the system operator how much dynamic reactive reserves are required, and in what locations, to assure that the power system will remain stable and avoid vol ...
... power and increase the system’s reactive power demand as transmission line loadings shift. • Planning studies and real-time analysis tools tell the system operator how much dynamic reactive reserves are required, and in what locations, to assure that the power system will remain stable and avoid vol ...
ECE 310 - Departments | Engineering at Illinois
... The inverse time characteristic provides backup protection since relays further upstream (closer to power source) should eventually trip if relays closer to the fault fail Challenge is to make sure the minimum pickup current is set low enough to pick up all likely faults, but high enough not to trip ...
... The inverse time characteristic provides backup protection since relays further upstream (closer to power source) should eventually trip if relays closer to the fault fail Challenge is to make sure the minimum pickup current is set low enough to pick up all likely faults, but high enough not to trip ...
What is GFCI Protection?
... higher than the kW number due to a variable called “power factor”. The ideal power factor number is 1. This means that all of the power drawn is used to perform work and kVA equals kW. In real world conditions, the power factor number is more often about .80 due to the energy losses within the equip ...
... higher than the kW number due to a variable called “power factor”. The ideal power factor number is 1. This means that all of the power drawn is used to perform work and kVA equals kW. In real world conditions, the power factor number is more often about .80 due to the energy losses within the equip ...
Manually Operated Valves
... The power saver version, which includes an electronic circuit built in to the coil body, reduces power consumption to minimum holding current of 0.2 watt. The Series 63 valve is available with 3 orifice sizes each with different flow values and maximum air pressures. Standard valves are designed for ...
... The power saver version, which includes an electronic circuit built in to the coil body, reduces power consumption to minimum holding current of 0.2 watt. The Series 63 valve is available with 3 orifice sizes each with different flow values and maximum air pressures. Standard valves are designed for ...
novel current line sensor based on matched optocouplers for active
... If the PF value is not equal to 1, the current waveform does not follow the voltage waveform. This result not only in power losses, but may also cause harmonics that travel down the neutral line and disrupt other devices connected to the line. The closer the PF value gets to 1, the closer to zero th ...
... If the PF value is not equal to 1, the current waveform does not follow the voltage waveform. This result not only in power losses, but may also cause harmonics that travel down the neutral line and disrupt other devices connected to the line. The closer the PF value gets to 1, the closer to zero th ...
Common Mode Noise The Often Neglected Tenth Power Problem
... ground legs of a typical AC power line. While this is the ...
... ground legs of a typical AC power line. While this is the ...
Low Power Applications Processors and Power
... The four buck switchers on the MC13783 can operate in several modes, including pulse width modulation (PWM) and pulse frequency modulation (PFM). Two PWM modes are available: the first mode trades light load efficiency for continuous switching. The second mode offers better light load efficiency by ...
... The four buck switchers on the MC13783 can operate in several modes, including pulse width modulation (PWM) and pulse frequency modulation (PFM). Two PWM modes are available: the first mode trades light load efficiency for continuous switching. The second mode offers better light load efficiency by ...
A Direct Power Injection Model for Immunity Prediction in Integrated
... B. Modeling of conductive and dielectric power losses The objective of this study is to develop an electrical simulation model for a complete DPI setup, making it possible to use conventional SPICE-based simulators. This electrical simulation thus requires equivalent electrical models for power loss ...
... B. Modeling of conductive and dielectric power losses The objective of this study is to develop an electrical simulation model for a complete DPI setup, making it possible to use conventional SPICE-based simulators. This electrical simulation thus requires equivalent electrical models for power loss ...
