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Träfflista för sökning "WFRF:(Rehman Shoaib Ur) "

Sökning: WFRF:(Rehman Shoaib Ur)

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1.
  • Malik, Naveed ur Rehman, 1985-, et al. (författare)
  • Challenges of Real-Time Parameter Estimation of a DFIG using Synchrophasors
  • 2015
  • Ingår i: 2015 IEEE 15TH INTERNATIONAL CONFERENCE ON ENVIRONMENT AND ELECTRICAL ENGINEERING (IEEE EEEIC 2015). - : IEEE. - 9781479979929 ; , s. 1939-1944
  • Konferensbidrag (refereegranskat)abstract
    • This paper explores the challenges faced during the utilization of synchrophasors received from PMUs in order to estimate the parameters of a DFIG in a real-time. PMUs are installed at the stator and rotor terminals of an 11-KVA DFIG, in order to provide high resolution synchrophasor data at a reporting rate of 50 msgs/sec. These synchrophasors are processed in real-time using an embedded controller in order to measure and estimate the internal parameters of the generator, i.e., magnetization and leakage inductances. Closed-loop variable speed drive, active power and reactive power controls are implemented for the DFIG. This paper discusses the laboratory setup, control and parameter estimation experiments carried out on the DFIG. The testing process, challenges faced, and overall experimental findings are also presented.
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2.
  • Nawaz, Sadia, et al. (författare)
  • Report of a recurrent mutation in ARS (component B) gene with severe Mal de Meleda in a large consanguineous Pakistani family
  • 2011
  • Ingår i: Pakistan journal of medical sciences print. - 1682-024X .- 1681-715X. ; 27:3, s. 686-689
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To characterize the disease causing mutation in a large consanguineous Pakistani family with severe Mat de Meleda (MDM) or keratosis palmoplantaris transgrediens, a rare autosomal recessive skin disorder. Methodology: Single nucleotide polymorphism (SNPs) genotyping was performed using the Gene Chip Mapping 250K array (Affymetrix). Homozygosity mapping and sorting of genomic regions were performed with dedicated software called AutoSNPa. Selected regions were further investigated by genotyping with microsatellite markers derived from known and novel pOlymorphic repeats. Two-point LOD score calculation was performed by using the MLINK of Fast link computer package. All three coding exons of ARS (component B) gene were amplified by PCR and sequenced. Conclusion: Sequencing of all the coding exons of ARS (component B) gene in the affected individuals revealed a recurrent missense mutation in exon 3 at base pair 256 from Guanine to Alanine (256G>A) and as a result the amino acid Glycine is replaced by Arginine at position 86 (G86R). This finding will facilitate control of affected MDM births in the Pakistani families.
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