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Search results for: transformer
158 results found.
16 pages of results.
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Year: 2010, Volume: 10, Issue: 1
... for a DC input improve the power factor. The voltage follower stage voltage of 60 V to the SRM with different load currents. From consists of inverter; transformer and rectifier are used to the results, it is found that the total current harmonic reduce the boost converter output voltage to machine distortion and individual current harmonics ...
Year: 2009, Volume: 9, Issue: 3
... [12] S. Gal, F. Balasiu, "Simulation of Current Transformer saturation to+ cosh αl cos βl Test Numerical Relays", Proceedings of ... very precise, but techniques as well as two-terminal data methods to estimate the current transformers can limit the accuracy of these fault locations [1]. estimations. ...
Year: 2009, Volume: 9, Issue: 3
... renewable energy/attitude control system for [21] W. G. Hurley, W. H. Wolfle, J. G. Breslin, "Optimized Transformer micro/nano satellites", IEEE Transaction on Applied Design: Inclusive of High-Frequency Effects", IEEE Transactions on Superconductivity, VOL. 13, NO. ...
Year: 2009, Volume: 9, Issue: 2
... have been produced over 100 years and there are was obtained by using a current transformer which working now an extremely large number in use throughout the world. zone ... electronic switches SW1 and SW2, made with two thyristors mounted in antiparallel, an autotransformer ATR, which supplies with variable voltage the current source CS. This is ...
Year: 2009, Volume: 9, Issue: 2
... 10 In order to calculate the risk of the load curtailment, the -1 10 maximum generators real power, the load active powers, the Probability transmission lines and transformers rated power and 10 -2 reactance (in pu) and the failure and repair rates of generators, transmission lines and transformers, should be 10 -3 known ...
Year: 2009, Volume: 9, Issue: 2
... fixed a.c. coils 10 are provided, which operate as a primary the literature [2, 3]. The rated voltage and frequency is coil of a transformer and the moving ring operates as a chosen to operate in our country low voltage network. secondary coil. The magnetic circuit of this transformer is the same ...
Year: 2009, Volume: 9, Issue: 1
... , Number 1, 2009 Energy Based Correlation Method for Location of Partial Discharge in Transformer Winding V. JEYABALAN, S. USA Division of High Voltage Engineering, ... in solid, liquid and gaseous insulations are insulation failure in power transformer. When transformers different. Experiments are performed to analyse PD in are subjected to electrical stress ...
Year: 2009, Volume: 9, Issue: 1
... voltages, angles without rounding or truncating values. More than 6 small- and transformer taps and points out generators having sized test cases were used to demonstrate the ... shunt capacitors/reactors, between the ants via the pheromone trails allows them to transformers tap-setting and power flow of transmission lines. find shortest paths between their nest ...
Year: 2009, Volume: 9, Issue: 2
... across the filter filter being inserted where the power cord exits the product. band pass is not an issue here. These power line harmonics Sometimes, properly designed transformers can provide furnish no power to the load, so the EMI filter designer is inherent filtering, and so can obviate the need for an "intentional" ...
Year: 2009, Volume: 9, Issue: 1
... probabilistic clustering. were tested on a set of load data recorded for a period of 6 The first two categories are major methods of clustering: months on the transformers within the distribution stations hierarchical clustering and k-means clustering. to the north of Romania. The load diagram is drawn using In hierarchical clustering the data are not ...
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