... gives the same result as practical data, but the result is acceptable when we combine all the one -phase flow equations of Weymouth, Panhandle A, Panhandle B and Clinedinst in calculating pressure...
... voltage of inductor L1 (or L2 ) over one switching period in steady- state operation is zero (uB − uC )T1 + uC T0 = (6) ZHOU et al.: SINGLE- PHASE UNINTERRUPTIBLE POWER SUPPLY BASED ON Z-SOURCE INVERTER ... pp 28–38, Spring 2007 [7] P K Jain, J R Espinoza, and H Jin, “Performance of a single- stage UPS system for single- phase trapezoidal-shaped AC-voltage supplies,” IEEE Trans Power Electron., vol ... voltage sag of the battery bank with high efficiency, low harmonics, fast response, ZHOU et al.: SINGLE- PHASE UNINTERRUPTIBLE POWER SUPPLY BASED ON Z-SOURCE INVERTER 3003 Fig 12 Comparison of efficiencies...
... stator windings causes the winding currents to be 359 SINGLE- PHASE INDUCTION MACHINES out of phase when the phases are connected to the same single- phase source This provides a starting torque, and ... Open-Circuited Stator Phase For the purpose of analyzing an open-circuited stator phase, which is equivalent to single- phase operation, let us consider the stator circuits of a three -phase, wye-connected ... made it appear that the split -phase machine is the type of two -phase machine that is used in single- phase applications, this is not the case In fact, symmetrical two -phase induction machines are...
... Lesson 10 SinglePhase Fully Controlled Rectifier Version EE IIT, Kharagpur Operation and Analysis of singlephase fully controlled converter Instructional ... values of different variables associated with a singlephase fully controlled half wave converter • Explain the operating principle of a singlephase fully controlled bridge converter • Identify ... lesson Version EE IIT, Kharagpur 10.2 Singlephase fully controlled halfwave rectifier 10.2.1 Resistive load Fig.10 1(a) shows the circuit diagram of a singlephase fully controlled halfwave rectifier...
... 9.4.2 Singlephase uncontrolled full bridge rectifier Version EE IIT, Kharagpur 21 The split supply full wave singlephase rectifier offers as good performance as possible from a singlephase ... sin2(β - θ) - sin2(ϕ - θ) ⎥ = 0.8564 Amps ⎦ 2π ⎣ RMS Diode current = 9.4 Singlephase uncontrolled full wave rectifier Singlephase uncontrolled half wave rectifiers suffer from poor output voltage ... Kharagpur 15 9.4.1 Split supply singlephase uncontrolled full wave rectifier Version EE IIT, Kharagpur 16 Fig 9.6 shows the circuit diagram and waveforms of a singlephase split supply, uncontrolled...
... Large number of turns • Aux has relative Small number of turns Φm Starting Torque in Singlephase motor Split Phase Principle • To produce a starting torque a rotating magnetic field must be produced ... main windg produce a flux Φ m while the Aux wndg produces a flux Φa Since the angles are out of phase a resultant rotating field is created • A centrifugal switch disconnects the Aux wndg from...
... Operation A phase motor self starts due to a rotating magnetic field in the windings If a singlephase was applied to one winding, it would simply pulse ... inductive reactance causing the current to lag Split Phase Motor A split phase motor has windings: Run winding Start winding Split Phase Motor The two windings cause the current to ... Similar in effect to the split phase motor Capacitor causes current in start winding to lead voltage Start and Run windings are approximately 90° out of phase Capacitor Start Motor High...
... minimizes the high frequency harmonics in AC output voltage The inverter could provide a single- phase or a three -phase electrical power according to the load requirements Rotary UPS systems use motors ... inverter system Repetitive control has been applied to minimize the steady- state error and periodic distortions in single- phase voltage-source PWM inverters Toshimasa Haneyoshi etc [27] proposed ... analog pre-filters for feedback signals lead to different phase shifts for different harmonic components of the error signal However, the phase delay compensation can only be provided for only one...
... T p This way we can maintain the transmission as a single train of 2N p + pulses for t = T p In this case the receiver simply changes the phase weights during the switching period and resumes ... any k regardless / / of the phase component of the term ρ(t0 , fk,rt )F(φk , θrt ) Furthermore, the search Doppler bin is associated with (1, ρ(t0 , ft ))T and if the phase component is ignored ... denoted in Figure as ∗ -, which is the nonadaptive FFT-based solution currently available for single A/D phase array radar with the EURASIP Journal on Advances in Signal Processing −10 −20 −20 −30...
... mixed normal-tumour genotypes AA/A, AB/A, AB/ B or BB/B for the single- copy deletion and AA/AAA, AB/AAA, AB/BBB or BB/BBB for the single- copy duplication Moreover, as the normal DNA content increases, ... copy numbers at the single locus level Bioinformatics 2008, 24:759-767 Bengtsson H, Neuvial P, Speed TP: TumorBoost: normalization of allelespecific tumor copy numbers from a single pair of tumor-normal ... article as: Yau et al.: A statistical approach for detecting genomic aberrations in heterogeneous tumor samples from single nucleotide polymorphism genotyping data Genome Biology 2010 11:R92 Submit...
... rhythm phaseepisodewith a single bright light pulse Circadian rhythm phase delays with a single bright light pulse and delayed sleep/dark episode The horizontal lines represent the median phase ... that subjects with darker irises had larger phase delays sode have reported phase delays of up to hours [9,12,27,28] Although a hour phase delay from a single day of light treatment is robust, such ... utilizing a single bright light pulse ending late at night with subjects waking at their habitual time (sleep episode truncated) have reported phase delays of about hour [24,25] Studies in which a single...
... safety evaluation of IMP321, a GMP-grade sLAG-3 (hLAG-3Ig) protein, in a large randomised single blind phase I clinical trial The results of this proof-of-concept clinical study in healthy volunteers ... immunopotentiator for therapeutic vaccines Methods Study design and subject selection This single blind controlled phase I study was conducted at the Aster-Cephac S.A facility in Paris Ethical Review ... additional variability, the monitoring of the T cell response in the clinical trial was performed by a single operator who obtained 15 % and 14 % CV on CD4 and CD8 antigen-specific responses, respectively...
... biology has been mounting for quite some time, there has only been a single published report of the variability of gene expression in single cells, which did not provide an underlying statistical model ... Singer RH: Single- cell gene expression profiling Science 2002, 297:836-840 Ozbudak EM, Thattai M, Kurtser I, Grossman AD, van Oudenaarden A: Regulation of noise in the expression of a single gene ... mathematically coupled to predict the output levels of genes, mRNAs, and proteins produced inside a single cell A basic question that remains to be fully explored, however, is whether evidence of...
... numerical simulation, different models for singlephase and two -phase heat transfer were developed to examine the effects of various parameters For the singlephase simulation, the jet flow was in ... ……………………………………………… …………21 2.5 Two -phase IJHT: Experimental Investigation……………………………… ………23 2.6 Two -phase IJHT: Numerical Investigation………………………………… ………27 Chapter Fundamentals of Single and Two -phase IJHT…………………… ... 9.10 Visualizations of the single and two -phase heat transfer for the downward impingement …………………………………………………………………………….150 Fig 9.11 Visualizations of the single and two -phase heat transfer for...
... simulations of steady and unsteady flows 64 3.2.2 On the stability 65 3.2.3 On the convergence 66 3.3 Validation for singlephaseflows 68 3.3.1 Couette flows 69 3.3.2 Poiseuille flows 70 3.3.3 ... water-in-oil-in-water and oil-in-water-in-oil systems) Aside from single component two phaseflows near critical points, the two phases or components are normally separated by an interface of thickness ... is the near-wall multi -phase and multi-component (MPMC) flows at the scales of micron or even nanometer level Due to the small scale, the surface to volume ratio in such flows is much larger than...
... phase xiii – wall shear stress – wall shear rate Q – volume flow rate ̇ – multiphase mixture quality Subscript o – oil phase w – aqueous phase m – oil-water mixture L – liquid phase G – gas phase ... dispersed phase K - ratio of dispersed phase viscosity to continuous phase viscosity – maximum packing fraction of dispersed phase – oil holdup at inversion point µ - dynamic viscosity of oil phase ... Multiphase flow - general In general a fluid flow can be classified into two broad types based upon the number of immiscible phases that are considered into study: singlephase flow and multiphase...
... application note is to be able to measure all three phases with a single- shunt resistor and a single differential amplifier A circuit showing a single- shunt resistor is shown in Figure FIGURE 4: ... VECTOR AREAS TO RECONSTRUCT THREE -PHASE CURRENTS USING A SINGLE- SHUNT RESISTOR V1 I V2 VI II V6 V T2 V3 III IV V5 T1 V4 In general, single- shunt reconstruction of three -phase currents is not possible ... ADVANTAGES AND DISADVANTAGES OF USING A SINGLE- SHUNT RESISTOR Advantages As previously mentioned, one of most important reasons for single- shunt three -phase reconstruction is cost reduction Which...