three phase short circuit—unloaded synchronous machine
Modeling of three winding voltage regulating transformers
... winding 1-2 three- phase apparent power base (SB1-2),winding 2-3 three- phase apparent power base (SB2-3), and winding 3-1 three- phase apparent power base (SB3-1), and windings 1, and phase- tophase rated ... report data: Short Circuit Test Three- phase load losses at 75°C between HV and MV circuits of 64,360 W Three- phase load losses at 75°C between HV and LV circuits of 90,960 W Three- phase load losses ... system three- phase apparent power base (SBASE, usually 100 MVA), and winding phase- to -phase bus voltage base – Magnetizing Admittance code CM=1 entering the open circuit test three- phase no-load...
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Vector control of three phase AC machines - N.P.Quang
... 3 -phase AC motor with three phase windings u, v and w The three phase voltages are applied by three pairs of semiconductor switches vu+/vu-, vv+/vv- and vw+/vw- with amplitude, frequency and phase ... control structures for systems using three- phase AC machines From the principles of electrical engineering it is known that the 3 -phase quantities of the 3 -phase AC machines can be summarized to complex ... Quang and Jörg-Andreas Dittrich Vector Control of Three- Phase AC Machines Nguyen Phung Quang · Jörg-Andreas Dittrich Vector Control of Three- Phase AC Machines System Development in the Practice With...
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Báo cáo "Determining thermal expansion coefficients of three-phase fiber composite material reinforced by spherical particles " potx
... fibre, three- phase composite is more heatproof than two - phase composite Calculated results of this material also indicate that when increasing volume fraction of glass particle phase, three- phase ... coefficients of three- phase composite material more than that of two - phase composite material in [7] So, embedding spherical inclusions into continous matrix phase of two - phase fiber composite ... expansion coefficients of three- phase composite material reduce Conclusions Based on the idea solving the problem of three- phase composite material through problems of known two - phase composite material,...
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Báo cáo sinh học: "On the relevance of three genetic models for the description of genetic variance in small populations undergoing selection" docx
... studied by Hospital [8] Two phases can be observed in our results when the linkage is strong: a first phase with a rapid decrease in genetic variability and a second phase of slow decrease reaching ... Monte-Carlo simulations and the two analytical models are presented first The predictions provided by the three models will then be compared first to validate the genetic model used in the MC simulation ... analytical models depart from the ’full-finite model’, used here as reference DESCRIPTION OF THE MODELS Three genetic models are presented, two of them being treated analytically and the last with Monte-Carlo...
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SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures
... - 29 Introductory Tutorial for SAP2000 Version Note that the program has automatically defined three different analysis cases: DEAD, MODAL and LIVE based on the load cases defined previously,...
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Báo cáo y học: "Postoperative pain scores and analgesic requirements after thyroid surgery: Comparison of three intraoperative opioid regimens"
... higher pain scores and longer necessity of titration On the other hand delay to extubation was shorter in the remifentanil group, this might have some advantages especially when neurologic assessment ... clinical practice Adv Exp Med Biol 2003; 523:245-60 Hachenberg T Perioperative management with short- acting intravenous anesthetics Anaesthesiol Reanim 2000; 25:144-50 Doyle PW, Coles JP, Leary...
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Báo cáo y học: "ribriform-Morular Variant of Papillary Carcinoma: Association with Familial Adenomatous Polyposis Report of Three Cases and Review of Literature"
... as a distinctive tumor A total of 44 cases have been documented so far (See Table1) We describe three cases, in two of which the patients have FAP Case was lost to follow-up Two cases were women...
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FOCUS ON - pronunciation of three-word phrasal verbs
... нерасторопный; (of organizations, measures etc.) неэффективный, недейственный; малопроизводительный; (of machines) непроизводительный get out of p.v When you get out of something or get out of doing something ... get pleasure, satisfaction, or some other benefit out of it I sat through that boring class for three months and didn't learn a thing I didn't get anything out of it The judge didn't get any pleasure ... after the particle: clear: I looked up the word clear: I looked the word up When the object is short — one word or just a few words in length — the meaning is clear either way However, when the...
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Tài liệu Báo cáo khoa học: "Lexicographic Semirings for Exact Automata Encoding of Sequence Models" pdf
... equivalent to the We wish to prove that for any machine N , ShortestPath(M ∩ N ) passes through the equivalent states in M to those passed through in M for ShortestPath(M ∩ N ) Therefore determinization ... described earlier, and represented in three ways: first as an approximation of a failure machine using epsilons instead of failure arcs; second as a correct failure machine; and third using the lexicographic ... this task1 For the shortest paths, the failure and lexicographic machines always produced identical lattices (as determined by FST equivalence); in contrast, 81% of the shortest paths from the...
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Báo cáo khoa học: Two CYP17 genes in the South African Angora goat (Capra hircus) – the identification of three genotypes that differ in copy number and steroidogenic output pptx
... samples were vortexed for and centrifuged at 500 g for min, after which the water phase was aspirated off The organic phase was transferred to a clean extraction glass tube and the samples were dried ... Angora goat population, a number of goats were genotyped using a restriction digest assay Eighty three goats were genotyped, 24 (29%) of which were homozygous for CYP17 ACS) and 59 (71%) of which ... in CYP17 copy number Based on the melting peak profiles, the goats were subsequently divided into three groups, namely homozygotes for ACS) (Ho), heterozygotes (He) and heterozygotes (Hu) in which...
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Báo cáo khoa học: Coordination of three and four Cu(I) to the a- and b-domain of vertebrate Zn-metallothionein-1, respectively, induces significant structural changes doc
... tetrahedrally surrounded by four thiolate sulphur atoms In the N-terminal b-domain, the three metal ions and the three bridging thiolate sulphurs are ordered to form a distorted chair The C-terminal ... of the samples containing two, three and four equivalents of Cu(I), these new spin systems were prevalent with the most and strongest signals observed for the three Cu(I)-containing sample On ... (1999) Three- dimensional solution structure of mouse [Cd7]metallothionein-1 by homonuclear and heteronuclear NMR spectroscopy Protein Sci 8, 2630–2638 21 Oz G, Zangger K & Armitage IM (2001) Three- dimensional...
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Báo cáo Y học: Role of three isoforms of phospholipase A2 in capacitative calcium influx in human T-cells pot
... 0.33 mM Na2HPO4; 1.2 mM CaCl2, and the pH was adjusted to 7.4 After loading, the cells were washed three times (2000 g; 10 min) and remained suspended in the identical buffer [Ca2+]i was measured ... 269) 5559 (TG)-induced Ca2+ spike is followed by a lowered sustained response that is, indeed, the phase of SOC capacitative refilling In CFCR protocol, addition of AA and then CaCl2 to 0%Ca2+ medium ... the continuous presence of this ionophore at this concentration, the internal calcium stores are short- circuited and recovery of an elevated calcium is almost entirely due to extracellular calcium...
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THE EFFECTS OF THREE ORGANIC CHEMICALS ON THE UPPER THERMAL TOLERANCES OF FOUR FRESHWATER FISHES potx
... Table Experimental parameters of the critical thermal maximum tests using four fish species and three chemicals Values in brackets indicate the holding time in days (d) in the treatments and their ... nominated chemicals affects the CTMaximum values of the four species of fish MATERIALS AND METHODS Three of the test fish species are native to Australia, these being the silver perch B bidyanus (Mitchell), ... heating coils Fig The critical thermal maximum temperatures of four fish species to control and three chemicals (Sample size ϭ 50; the error bars indicate the Ϯstandard deviation) Test procedure...
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Báo cáo Y học: O-GalNAc incorporation into a cluster acceptor site of three consecutive threonines Distinct specificity of GalNAc-transferase isoforms pot
... At 24 h, peptides bearing one or three GalNAc residues were prominent After the addition of fresh enzyme and UDPGalNAc, the proportion of the peptide bearing three GalNAc residues increased (data ... regarding the use of a relatively short peptide with fluoresceine at the N terminus as a substrate should be carefully evaluated The kinetic parameters reported for three FITC–conjugated peptides ... structural basis that regulates GalNAc incorporation into three consecutive Thr residues The present work indicates that GalNAc attachment to one of three consecutive Thr residues is an important factor...
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Báo cáo Y học: Purification and characterization of three galactose specific lectins from Mulberry seeds (Morus sp.) ppt
... further supported because all three lectins showed binding affinity to Sepharose 4B It is concluded from the above findings that mulberry seeds contained at least three lectins that are specific ... and Characterization of a Lectin from Phaseolus vulgaris Seed Agric Biol Chem 44, 125 –133 Franz, H., Ziska, P & Kindt, A (1981) Isolation and properties of three lectins from mistletoe (Viscum ... on the gel The fraction F-1a was further purified by CM-cellulose chromatography (see below) All three fractions displayed lectin activity The fraction F-1a obtained after DEAE-cellulose chromatography...
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Cushing’s Disease in Children: Report of Three Cases potx
... has been reported.3−6,8−10 Here, we report the clinical presentations, diagnosis and treatment of three children with Cushing’s disease, which may help clinicians to make an early diagnosis in such ... and psychological disturbances.4−9 Rapid weight gain and growth retardation were observed in all three patients in this study Psychological problems, such as depression and behavioral changes, ... by high-dose, but not lowdose dexamethasone is thus the classical feature of this disease.11 All three patients in this report had high serum cortisol levels with no diurnal changes Serum cortisol...
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Accuracy of Clinical Signs in the Diagnosis of Pulmonary Tuberculosis: Comparison of Three Reference Standards Using Data from a Tertiary Care Centre in Rwanda doc
... prospective study was conducted over a three months period in the public wards of internal medicine of CHK, a 600-bed hospital of national referral center in Rwanda Three hundred consecutive patients ... and an internist or by three internists on a consensus base, all blinded to previously obtained clinical information Direct microscopy was considered positive if two out of three specimens contained ... acid-fast bacilli; if only one sputum was positive, or if two were questionable, another series of three sputa was performed All clinical and laboratory testing was part of routine examination For...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25