Search Results - "Hepburn, D. M."

Analysis of HVDC superimposed harmonic voltage effects on partial discharge behavior in solid dielectric media by Fard, M. Azizian, Reid, A. J., Hepburn, D. M.

“…This paper presents an investigation of effects of high voltage direct current (HVDC) superimposed voltage harmonics on partial discharge (PD) behavior…”
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Functional disturbance of marrow stromal microenvironment in the myelodysplastic syndromes by TAURO, S, HEPBURN, M. D, PEDDIE, C. M, BOWEN, D. T, PIPPARD, M. J

“…The potential contribution of abnormal marrow stromal function to ineffective haemopoiesis in the myelodysplastic syndromes is unclear. We have compared the…”
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On-line monitoring of relative dielectric losses in cross-bonded cables using sheath currents by Yang Yang, Hepburn, D. M., Chengke Zhou, Wenjun Zhou, Yuchuan Bao

“…Cross-bonded three-phase single-core Cross-linked Polyethylene (XLPE) cables are widely used in power transmission and distribution systems. A great deal has…”
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Simultaneous measurement of partial discharges using IEC60270 and radio-frequency techniques by Reid, A J, Judd, M D, Fouracre, R A, Stewart, B G, Hepburn, D M

“…Partial discharge (PD) measurement is an established condition monitoring technique used to facilitate the detection of incipient faults in high voltage…”
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Alpha-particle-induced chromosomal instability in human bone marrow cells by Kadhim, M A, Lorimore, S A, Hepburn, M D, Goodhead, D T, Buckle, V J, Wright, E G

“…alpha-particles, which are ionising radiation of high linear-energy-transfer emitted, for example, from radon or plutonium, pass through tissue as highly…”
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Application of K-Means method to pattern recognition in on-line cable partial discharge monitoring by Xiaosheng Peng, Chengke Zhou, Hepburn, D. M., Judd, M. D., Siew, W. H.

“…On-line Partial Discharge (PD) monitoring is being increasingly adopted in an effort to improve asset management of the vast network of MV and HV power cables…”
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PD characteristics and degradation in PET insulation with vented and unvented internal voids by Adhikari, D., Hepburn, D.M., Stewart, B.G.

“…•PD characteristics and degradation are investigated in vented and unvented voids in PET.•More PD activity is observed in contained unvented voids.•For vented…”
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Assessment of stromal function, and its potential contribution to deregulation of hematopoiesis in the myelodysplastic syndromes by Tauro, S, Hepburn, MD, Bowen, DT, Pippard, MJ

“…550 John Astor House, 3 Foley Street, University College London Hospitals NHS Trust, London W1 6DN, UK. sudhirtauro@hotmail.com BACKGROUND AND OBJECTIVES: The…”
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Glutathione S-transferase enzyme expression in hematopoietic cell lines implies a differential protective role for T1 and A1 isoenzymes in erythroid and for M1 in lymphoid lineages by Wang, L, Groves, MJ, Hepburn, MD, Bowen, DT

“…Department of Molecular and Cellular Pathology, University of Dundee Medical School, Dundee, UK. BACKGROUND AND OBJECTIVES: Glutathione S-transferases (GSTs)…”
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Degradation of filled epoxy resin surfaces by Hepburn, D.M, Kemp, I.J, Cooper, J.M

“…Many components manufactured from polymeric materials have fillers incorporated into them, to improve the control of the manufacturing process and to assist…”
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The absorption of mould release agent by epoxy resin by Shields, A.J, Hepburn, D.M, Kemp, I.J, Cooper, J.M

“…A wide range of polymeric materials, including epoxy resins, are moulded to produce components for various uses. Silicon-based release agents are commonly used…”
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The role of the Sysmex SE9000 immature myeloid index and Sysmex R2000 reticulocyte parameters in optimizing the timing of peripheral blood stem cell harvesting in patients with lymphoma and myeloma by Gowans, I. D., Hepburn, MD, Clark, D. M., Patterson, G., Rawlinson, P. S. M., Bowen, D. T.

“…Peripheral blood CD34/45+ cell (CD34/45) enumeration is an expensive and labour‐intensive investigation but remains the standard assay for optimizing yield and…”
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Timing of the appearance of multipotential and committed haemopoietic progenitors in peripheral blood after mobilization in patients with lymphoma by Hepburn, M.D., Nagesh, K., Heppleston, A.D., Cachia, P.G., Pippard, M.J.

“…The pattern of emergence of multipotential (CFU‐A) and committed (CFU‐GM and BFU‐E) progenitor cells in peripheral blood has been examined in patients with…”
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A Methodology for Optimization of Power Systems Demand Due to Electric Vehicle Charging Load by Peng Zhang, Kejun Qian, Chengke Zhou, Stewart, B. G., Hepburn, D. M.

“…This paper presents a methodology of optimizing power systems demand due to electric vehicle (EV) charging load. Following a brief introduction to the charging…”
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A NBM based on P-N relationship for DFIG wind turbine fault detection by Ran Bi, Zhou, C., Hepburn, D. M., Rong, Jin

“…Supervisory control and data acquisition (SCADA) data has been widely applied to identify abnormal conditions in wind turbine generators (WTG). One approach…”
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Finite element model of HVDC converter harmonic effects on partial discharge by Fard, M. Azizian, Reid, A. J., Hepburn, D. M.

“…Partial discharge (PD) measurement as a non-destructive diagnostic tool is a proven technique that has served in both design improvement and condition…”
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Influence of voltage harmonic phenomena on partial discharge behavior at HVDC by Fard, M. Azizian, Reid, A. J., Hepburn, D. M., Gallagher, H.

“…Insulation is a critical component of any electrical power system, which, when subjected to excessive stress, may lead to premature ageing and eventual…”
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Fault location and diagnosis in a medium voltage EPR power cable by Reid, A. J., Zhou, C., Hepburn, D. M., Judd, M. D., Siew, W. H., Withers, P.

“…This paper presents a case study on fault location, characterization and diagnosis in a length of shielded 11 kV medium voltage ethylene-propylene rubber (EPR)…”
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Second generation wavelet transform for data denoising in PD measurement by Xiaodi Song, Chengke Zhou, Hepburn, D.M., Guobin Zhang, Michel, M.

“…Detection and diagnosis of partial discharge (PD) activity has been widely adopted in electrical plant condition monitoring. Analysis and detection of PD in…”
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Role of thermal effects in discharge degradation of micas used in high power rotating machines by Shields, A.J, Hepburn, D.M, Kemp, I.J

“…The physical and chemical changes to ruby-muscovite and amber-phlogopite mica after localised and bulk thermal stressing are reported herein and compared to…”
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