Results 31 to 40 of about 26,738 (304)

System-Based Testing of Protection for Center-Tapped Shunt Capacitor Banks

open access: yesEnergies, 2022
In power systems, capacitor banks play a significant role in improving voltage profiles, reducing losses, and adjusting power factors. Security measures must be implemented quickly and reliably to protect them from a wide range of threats.
Manduleli Alfred Mquqwana   +1 more
doaj   +1 more source

LCC-HVDC Connection of Offshore Wind Farms With Reduced Filter Banks [PDF]

open access: yes, 2013
Despite being more efficient, line commutated converter-HVDC links for the connection of large offshore wind farms have ac-filter bank size as one of their main drawbacks.
Aparicio, N.   +3 more
core   +2 more sources

Shunt power factor correction devices for damping of harmonic resonance in industrial power systems

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2022
THE PURPOSE. Harmonic resonance has become a serious problem of shunt capacitor banks for reactive power and voltage support. Effective solution to damp out the capacitor-caused resonance is the series connection of capacitor bank with harmonic damping ...
V. P. Dovgun   +3 more
doaj   +1 more source

Capacitor Bank Sizing for Squirrel Cage Induction Generators Operating in Distributed Systems

open access: yesIEEE Access, 2020
The design of the capacitor bank to be placed with the squirrel cage induction generator, when operating with a direct connection to the distribution system, is performed from the value of the magnetization reactance of the machine.
Eudinei O. Silva   +2 more
doaj   +1 more source

MKID development for SuperSpec: an on-chip, mm-wave, filter-bank spectrometer [PDF]

open access: yes, 2012
SuperSpec is an ultra-compact spectrometer-on-a-chip for millimeter and submillimeter wavelength astronomy. Its very small size, wide spectral bandwidth, and highly multiplexed readout will enable construction of powerful multibeam spectrometers for high-
Barry, Peter S.   +18 more
core   +2 more sources

Investigation and Study of High Voltage Capacitor Bank Techniques for Voltage Drop Improvement in 22-kV Distribution Line

open access: yesIEEE Access
Voltage drop in distribution lines contributes to power losses, leading to a decrease in the overall efficiency of the electrical power system. In this paper, we investigate methods to improve voltage drop through capacitor bank allocation techniques ...
Surakit Thongsuk   +6 more
doaj   +1 more source

Developing a monitoring system for Toyota Prius battery-packs for longer term performance issues [PDF]

open access: yes, 2013
The Toyota Prius battery pack consists of 38 individual battery blades, each blade contains 6 NiMH cells in series. This means that each pack contains 228 NiMH cells. Given this number of individually manufactured cells combined into a large battery pack,
Kularatna, Nihal, Leijen, Peter
core   +2 more sources

Research on Method and Device for Measuring Unbalanced Current of High Voltage Capacitor Bank in Converter Station

open access: yesZhongguo dianli, 2019
Complex electromagnetic field in converter station poses a serious interference to the field test of unbalanced current of high voltage capacitor bank, and the unbalanced current is too small to be accurately measured directly during the test. This paper
Peng WU, Yuan ZHANG, Lei SHI
doaj   +1 more source

Cascaded transformerless DC-DC voltage amplifier with optically isolated switching devices [PDF]

open access: yes, 1993
A very high voltage amplifier is provided in which plural cascaded banks of capacitors are switched by optically isolated control switches so as to be charged in parallel from the preceding stage or capacitor bank and to discharge in series to the ...
Sridharan, Govind
core   +1 more source

C2α‐carbanion‐protonating glutamate discloses tradeoffs between substrate accommodation and reaction rate in actinobacterial 2‐hydroxyacyl‐CoA lyase

open access: yesFEBS Open Bio, EarlyView.
Enzymes of the 2‐hydroxyacyl‐CoA lyase group catalyze the condensation of formyl‐CoA with aldehydes or ketones. Thus, by structural adaptation of active sites, practically any pharmaceutically and industrially important 2‐hydroxyacid could be biotechnologically synthesized. Combining crystal structure analysis, active site mutations and kinetic assays,
Michael Zahn   +4 more
wiley   +1 more source

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