circuit breaker and fuse selection

Modeling of three winding voltage regulating transformers

Modeling of three winding voltage regulating transformers

... angles are 0º between the HV circuit and MV circuit and 150º between the HV circuit and the LV circuit Thus, the phase shift angles in PSS®E for circuits 1, and 3, measured with respect to the ... 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 at 75°C between MV and LV circuits of 107,060 W ... connected circuit and the MV wye connected circuit, as well as between the HV wye connected circuit and the delta connected windings have been provided These phase shift angles are 0º between the HV circuit...

Ngày tải lên: 05/04/2016, 14:39

11 277 0
Vector control of three phase AC machines - N.P.Quang

Vector control of three phase AC machines - N.P.Quang

... 5.6 Equivalent circuits and methods to determine the system parameters 6.1 Equivalent circuits with constant parameters Equivalent circuits of the IM 6.1.1 6.1.1.1 T equivalent circuit 6.1.1.2 ... period (k+1) and while the timer T0 is counting up, the compare matches between: 36 Inverter control with space vector modulation T0 and CC0, CC1 and CC2 as well as T0 and CC8, CC9 and CC10 cause ... the area between the standard vectors u1 and u2 (fig 2.2) us can be obtained from the vectorial addition of the two boundary vectors ur and ul in the directions of u1 and u2, respectively In...

Ngày tải lên: 18/12/2013, 09:10

346 1,4K 0
Báo cáo "Determining thermal expansion coefficients of three-phase fiber composite material reinforced by spherical particles " potx

Báo cáo "Determining thermal expansion coefficients of three-phase fiber composite material reinforced by spherical particles " potx

... elastic thermal expansion coefficients of fibre and matrix phase k1 , k2 : plane strain bulk moduli of fibre and matrix phase K1 , K : bulk moduli of fibre and matrix phase (3) N.D Duc et al / VNU Journal ... kt* : * µa : * Ea : ξ1 : α t* : 59 Lame’s ratio of fibre and matrix phase shear moduli of fibre and matrix phase Poisson’s ratio of fibre and matrix phase plane strain bulk modulus of composite ... °C Case 1: Let sum of volume fractions of the fibre and particle phase be constant and equal to 0.6, ∧ ∧ or ξ1 + ξ = 0.6 Then, transverse α t and axial α a thermal expansion coefficients of three-phase...

Ngày tải lên: 28/03/2014, 13:20

9 280 0
Báo cáo sinh học: "On the relevance of three genetic models for the description of genetic variance in small populations undergoing selection" docx

Báo cáo sinh học: "On the relevance of three genetic models for the description of genetic variance in small populations undergoing selection" docx

... algorithm, initiated by Hospital [8] and developed by Fournet et al [7], uses the Monte-Carlo principle and provides the mean values and standard deviations for genetic mean and variance over time a 2.2 ... within-generation mass selection is based on these phenotypes Selected breeding individuals are randomly mated and produce a new generation This is performed through the simulation of meiosis and pairing ... of intermediate value of selection intensity (i.e 25 % Figure The size and selection of males selected), as the trend was the same for the other two tested values (50 % and 6.25 % of males selected)...

Ngày tải lên: 09/08/2014, 18:22

12 279 0
SAP2000®  Linear and Nonlinear  Static and Dynamic  Analysis and Design  of  Three-Dimensional Structures

SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures

... the grids and spacing in the X, Y and Z direction Set the number of grid spaces to 10 for the X direction, and to for the Y and Z directions Type ft into the X direction spacing edit box and press ... and that the program is in the select mode A Draw a Selection Box from Right to Left across the entire deck, or click Select menu > Get Previous Selection command, or click the Get Previous Selection ... Assign, Analyze, Display and Design These listed menus contain the commands that will be needed most often when using SAP2000, and many of the most frequently used commands are accessible as a...

Ngày tải lên: 06/09/2012, 15:56

47 1,4K 2
Báo cáo y học: "Postoperative pain scores and analgesic requirements after thyroid surgery: Comparison of three intraoperative opioid regimens"

Báo cáo y học: "Postoperative pain scores and analgesic requirements after thyroid surgery: Comparison of three intraoperative opioid regimens"

... vomiting and sedation score (0=awake, 1=mild, 2=sleepy but awakable, and = very sleepy) and the length of stay in the PACU The latter was decided by a physician unaware of the randomisation and based ... cancer, and out of for surgical hematoma and drainage All other patients completed the study Demographic characteristics and intraoperative anesthetics requirements are represented in Table and Table ... postoperative pain scores of 30 mm and a standard deviation of 15, with a power of 0.8, a P value of 0.05 was considered to be significant Data were analyzed using Jandel Sigmastat statistical software...

Ngày tải lên: 02/11/2012, 10:14

3 516 1
Báo cáo y học: "ribriform-Morular Variant of Papillary Carcinoma: Association with Familial Adenomatous Polyposis Report of Three Cases and Review of Literature"

Báo cáo y học: "ribriform-Morular Variant of Papillary Carcinoma: Association with Familial Adenomatous Polyposis Report of Three Cases and Review of Literature"

... variants of PTC (tall cell, columnar, diffuse sclerosing and diffuse follicular) and poorly differentiated carcinoma Tall cell variant lacks morular, cribriform and spindle cell areas Columnar cell ... thyroglobulin, epithelial membrane antigen, cytokeratin, vimentin, estrogen and progesterone receptors, bcl-2 and Rb proteins Calcitonin and carcinoembryonic antigen were negative Follow-up showed seven ... carcinoma exhibiting glandular and spindle cell components: A case report Pathol Res Pract, 1996 192(1): 72-74 Hizawa K, et al Association between thyroid cancer of cribriform variant and familial adenomatous...

Ngày tải lên: 03/11/2012, 10:05

7 448 1
FOCUS ON - pronunciation of three-word phrasal verbs

FOCUS ON - pronunciation of three-word phrasal verbs

... on her dress She put her dress on pronouns, such as him, her, and it must be placed between the verb and the particle: She put it on and long objects should be placed after the particle to avoid ... over or run over to that person I saw a man hitting a child, and I ran over and stopped him When I saw Melanie, I ran over to her and gave her a big hug run over p.v When you drive over people ... Las Vegas with her boss, and the whole office was talking about it Take two pounds of beef, it , and put it in a frying pan The expedition leader spoke to us and the importance...

Ngày tải lên: 01/11/2013, 12:20

15 275 0
Tài liệu Báo cáo khoa học: "Lexicographic Semirings for Exact Automata Encoding of Sequence Models" pdf

Tài liệu Báo cáo khoa học: "Lexicographic Semirings for Exact Automata Encoding of Sequence Models" pdf

... semiring (Kuich and Salomaa, 1986) A semiring is a ring that may lack negation, with two associative operations ⊕ andand their respective identity elements and A common semiring in speech and language ... ngram arc labeled with w and no backoff arc leaving the states; and (4) there is both an n-gram arc labeled with w and a backoff arc leaving the states In cases (1) and (2), there is only one ... Languages and Combinatorics, 7(3):321–350 Brian Roark and Richard Sproat 2007 Computational Approaches to Morphology and Syntax Oxford University Press, Oxford Brian Roark, Murat Saraclar, and Michael...

Ngày tải lên: 20/02/2014, 04:20

5 407 0
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

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

... C17,20 bond of 17-OHPREG and 17-OHPROG to yield the adrenal androgens dehydroepiandrosterone (DHEA) and androstenedione (A4), respectively [1–3] In addition, PREG, 17-OHPREG and DHEA are substrates ... CYP17 and 3bHSD coexpressed in COS-1 cells in the absence (A) and presence (B) of cytochrome b5 Glucocorticoid precursors (PREG, 17-OHPREG, PROG and 17-OHPROG) and adrenal androgens (DHEA and A4) ... Heerden and Gloudi Agenbag for technical assistance and fruitful discussions; Tino Herselman and the personnel at the Jansenville Experimental Farm for technical assistance; and Patricia Storbeck and...

Ngày tải lên: 07/03/2014, 06:20

10 549 0
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

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

... dichroic bands developed at 248 and 300 nm, respectively, and one negative band at 275 nm The addition of Cu(I) to Zn3bMT-1 shifted the positive dichroic band at 248 to 260 nm A second positive band ... 113Cd and added to H NMR and solution structures of ZnxCu3aMT-1 and ZnyCu4bMT-1 The NOESY spectra of the ZnxCu3aMT-1 and ZnyCu4bMT-1 domains are markedly different from the starting Zn4aMT-1 and ... A2 and rmsd values ˚ and 1.51 ± 0.18 A for a new struc˚ of 1.04 ± 0.12 A ture family Both mean structures were essentially ˚ ˚ the same, with rmsd values of 0.79 A and 1.19 A for the backbone and...

Ngày tải lên: 07/03/2014, 09:20

14 485 0
Báo cáo Y học: Role of three isoforms of phospholipase A2 in capacitative calcium influx in human T-cells pot

Báo cáo Y học: Role of three isoforms of phospholipase A2 in capacitative calcium influx in human T-cells pot

... RNA was isolated and analyzed by RT-PCR using specific primers for human PLA2-IB, -V, -IV and -VI as described in Materials and methods b-actin mRNA was used as an internal standard The lower ... IV, type V and type VI In fact, the different phospholipases detected in our study belong to secretory (type IB and type V, sPLA2) and cytosolic (calcium-dependent-type IV, cPLA2 and calcium-independent-type ... and hence, free AA can modulate the proliferation and clonal selection of T-cells during an antigenic challenge In fact, polyunsaturated fatty acids have been considered as immunomodulators and...

Ngày tải lên: 08/03/2014, 09:20

7 484 0
THE EFFECTS OF THREE ORGANIC CHEMICALS ON THE UPPER THERMAL TOLERANCES OF FOUR FRESHWATER FISHES potx

THE EFFECTS OF THREE ORGANIC CHEMICALS ON THE UPPER THERMAL TOLERANCES OF FOUR FRESHWATER FISHES potx

... technical-grade endosulfan and chlorpyrifos, and analytical reagent-grade phenol Endosulfan, chlorpyrifos, and phenol were supplied by Hoechst Australia, Dow Elanco Australia, and Rhone Pouline Laboratory ... (36.0 Ϯ 0.6ЊC) and B bidyanus (35.0 Ϯ 0.5ЊC), and then O mykiss (30.7 Ϯ 0.5ЊC) Intraspecies variations in CTMax values were small (i.e., Ϯstandard deviation Յ 0.7ЊC) in all the species and lowest ... water fishes B bidyanus, M duboulayi, and H klunzingeri acclimatized at 20ЊC and decreased between 2.5ЊC (6.1%) and 4.2ЊC (11.7%) when treated with endosulfan and chlorpyrifos (Table 2) One-way...

Ngày tải lên: 14/03/2014, 20:20

6 502 0
Báo cáo Y học: O-GalNAc incorporation into a cluster acceptor site of three consecutive threonines Distinct specificity of GalNAc-transferase isoforms pot

Báo cáo Y học: O-GalNAc incorporation into a cluster acceptor site of three consecutive threonines Distinct specificity of GalNAc-transferase isoforms pot

... vicinal effects, positive as well as negative, of GalNAc and Galb1–3GalNAc residues on the efficacy and pathway of incorporation of the second and the third GalNAc residues with four pp-GalNAc-Ts ... (Bio-Rad) with BSA as a standard The solutions were stored in aliquots at )80 °C until use Enzymatic GalNAc incorporation into peptide and glycopeptide acceptors The standard enzyme reaction mixture ... glycopeptides, and 0.2 U recombinant enzyme pp-GalNAc T1, T2, T3, or T4 (0.2268 lg, 1.098 lg, 1.365 lg, and 2.768 lg, respectively), in a final volume of 100 lL Reactions were performed at 37 °C for 16 h and...

Ngày tải lên: 17/03/2014, 10:20

11 377 0
Báo cáo Y học: Purification and characterization of three galactose specific lectins from Mulberry seeds (Morus sp.) ppt

Báo cáo Y học: Purification and characterization of three galactose specific lectins from Mulberry seeds (Morus sp.) ppt

... of 110 000 Da and a weak band corresponding to molecular mass of 70 000 Da, while the MSL-2 and MSL-3 gave four bands with molecular masses of 42 000, 35 000, 25 000 and 19 000, and 35 000, 22 ... MSL-1 gave a single band, while MSL-2 and MSL-3 gave four distinct bands on SDS/PAGE (Fig 4) In the presence of 0.1% SDS and 0.1% 2-mercaptoethanol, MSL-1 gave a strong band corresponding to ... MSL-1, MSL-2, and MSL-3 were found to be 5.7, 5.4 and 4.5%, respectively The sugar composition of the lectins as identified by TLC was found to be glucose and mannose for MSL-1 and galactose for...

Ngày tải lên: 18/03/2014, 01:20

6 475 0
review of three movies

review of three movies

... invites two paleontologists (Sam Neill and LauraDern), a mathematician (Jeff Goldblum) and his grandkids (Ariana Richards and Joseph Mazzello) to the island, unaware that anything can go wrong ... Wars and 2001: A Space Odyssey did The story concerns a tropical island, that is the home to living Dinosaurs, brought back by way of DNA The billionaire (Richard Attenborugh), who owns the island, ... friends (Sara and Ruck) The cinematography is good, with many pans and close ups in tight situation's making things even more intense and funny If there was ever a film to put on your "What-to-rent"...

Ngày tải lên: 21/03/2014, 22:50

3 210 0
Cushing’s Disease in Children: Report of Three Cases potx

Cushing’s Disease in Children: Report of Three Cases potx

... percentile) and blood pressure of 160/ 110 mmHg He had signs of puberty; both testes had volumes of mL and pubic hair was at Tanner stage I His bone age was between 12 years months and 13 years ... potassium of 2.4 mmol/L, and chloride of 101 mmol/L His plasma ACTH level was 73.9 pg/ mL (16.3 pmol/L), and serum cortisol levels were 43.3 μg/dL (1195 nmol/L) at AM and 26.6 μg/dL (734 nmol/L) ... signs and symptoms improved, though panhypopituitarism was noted years after the second operation and radiotherapy The patient received continuing treatment with eltroxin, cortisone acetate, and...

Ngày tải lên: 22/03/2014, 10:20

5 345 0
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

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

... hospital setting in Rwanda It compares reference standards: 1) culture; 2) a composite reference standard (direct microscopy and/ or culture and/ or cavities on chest Xray); and 3) a classification ... signs and symptoms The composite reference standard evaluated in our study reached similar disease prevalence and sensitivity and specificity estimates as LCA, and was promoted by Alonzo and Pepe ... for Se, Spe and prevalence obtained by bivariate analysis with culture and composite reference standard and by the LCA approach Most values are similar, only the prevalence of TB and the specificity...

Ngày tải lên: 22/03/2014, 18:20

7 506 0
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