Results 251 to 260 of about 869,951 (279)

The short-circuited fluxgate output current

Journal of Physics E: Scientific Instruments, 1989
The alternative coupling of short-circuiting the secondary coil of a fluxgate sensor by connecting it to the inverting input of a current amplifier is shown to have significant advantages over the more conventional unloaded or second-harmonic tuned voltage coupling.
F Primdahl, J R Petersen, C Olin, K Harbo Andersen   +3 more
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Short-circuit currents and recovery voltages

Electrical Engineering, 1949
FIELD tests were made on a 7,200/12,470Y-volt multigrounded rural distribution system to check fault current calculations and to investigate transient recovery voltages experienced as a consequence of clearing fault currents. Tests were also made using a miniature circuit representation of a rural distribution system in order to investigate the effect ...
W. H. Eason, I. B. Johnson, J. W. Kalb, H. A. Peterson   +3 more
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Short Circuit Current of Induction Generators

2007 IEEE International Symposium on Circuits and Systems (ISCAS), 2007
This paper addresses the effect of distributed generators, specifically squirrel cage induction generators, on 3-Phi bolted short-circuit fault currents to make sure that they do not interfere with the interruption capability of circuit breakers. Results of a laboratory experiment, and simulation results for 16 different induction machines, including ...
T. Sulawa, Z. Zabar, D. Czarkowski, L. Birenbaum, S. Lee, Y. Ten Ami   +5 more
openaire   +1 more source

Effects of short-circuit currents

2005
Calculation methods for the thermal and electromagnetic effects of short-circuit currents are dealt with IEC 61660-2, which is applicable to short-circuit currents in d.c. auxiliary installations in power plants and substations and IEC 60865-1, related to three-phase a.c. systems.
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Calculation of short-circuit currents

2011
The current that flows through an element of a power system is a parameter that can be used to detect faults, given the large increase in current flow when a short-circuit occurs. For this reason, a review of the concepts and procedures for calculating fault currents will be made in this chapter, together with some calculations illustrating the methods
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Serotonin‐Induced Short‐Circuit Current in Pig Jejunum

Journal of Veterinary Medicine Series A, 1994
SummaryThis paper presents the effects of serotonin (5‐HT) on short‐circuit current (SCC), sodium and chloride fluxes, and prostaglandin E2release in pig jejunum, using the Ussing‐chamber technique.5‐HT elicited a dose‐dependent increase in SCC, yielding an EC50of 6 ± 4 μM and EMAXof 77± 8 μA. cm−2using about 100 ±.
Hansen, M.B., Thorbøll, J.E., Christensen, P., Bindslev, Niels, Skadhauge, E.   +4 more
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Limitation of short-circuit currents

2005
The expansion of electrical power systems by new power stations and new lines (overhead transmission lines and cable circuits) results in an increase of short-circuit currents due to an increase in sources feeding the short-circuit and due to a reduction of system impedance. The improvement of existing installations and the replacement of equipment are
openaire   +1 more source

Short-circuit current of induction motors and generators

Journal of the American Institute of Electrical Engineers, 1921
There has been a rather prevailing opinion that a sudden short circuit of an induction generator would not cause a serious initial rise in current such as occurs in synchronous generators. This has led to the proposal of the use of such machines as a partial solution of the short-circuit problem on a-c. systems.
R. E. Doherty, E. T. Williamson
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Short circuit current in tight and leaky epithelia

Biochimica et Biophysica Acta (BBA) - Biomembranes, 1978
The effect of short circuit current on the unidirectional fluxes of ions transported across tight and leaky epithelia was investigated. It was found that short circuiting of the frog gastric mucosa (classified as a tight epithelium) caused a decease of the passive JClms and a significant increase of the net Cl- secretion. However, no significant change
M A, Dinno, K C, Huang
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Alternator short-circuit currents under unsymmetrical terminal conditions

Electrical Engineering, 1937
Discussion of a paper by A. R. Miller and W. S. Weil, Jr., published on pages 1268–76 of volume 56, 1937, AIEE TRANSACTIONS (October 1937 issue of ELECTRICAL ENGINEERING) and presented for oral discussion at the electrical machinery session of the winter convention, New York, N. Y., January 27, 1938.
A. R. Miller, W. S. Weil
openaire   +1 more source