salvatore dominick and reagle derrick 2002 statistics and econometrics mcgraw hill
Đề cương chi tiết học phần Kinh tế lượng (Học viện tài chính)
... Practicing Econometrics, John Willeys & Sons Salvatore, Dominick and Reagle Derrick (2002) , Statistics and Econometrics, McGraw- Hill Dougherty, Christopher (2002) , Introduction to Econometrics, ... Basis Econometrics, 4th edition, McGraw- Hill Irwin (cuốn sách có phiên tiếng việt Chương trình giảng dạy kinh tế Fulbright biên dịch) Griffiths, W.E, Hill, C.R and Judge G G (1993), Learning and ... định Park 3.3 Kiểm định Glejser 3.4 Kiểm định tương quan hạng Spearman 3.5 Kiểm định Goldfeld - Quandt 3.6 Kiểm định White 3.7 Kiểm định theo biến phụ thuộc Biện pháp khắc phục 4.1 Khi σ i2 biết...
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Chương trình Giảng dạy Kinh tế Fulbright Niên khoá 2004 2005: Thẩm định đầu tư phát triển
... University of Chicago, 1971 Harberger, Arnold C., and Wisecarver, Daniel L., “Private and Social Rates of Return to Capital in Uruguay”, Economic Development and Cultural Change, Volume 25, Number 3, ... James W Henderson and Terry S Maness, The Financial Analyst’s Deskbook: A Cash Flow Approach to Liquidity New York, Van Nostrand Reinhold, 1989 Malcolm Gillis, Glenn P Jenkins, and Donald R Lessard, ... thẩm định dự án đầu tư cơng cộng TÀI LIỆU THAM KHẢO Louis J Goodman and Ralh Ngatala Love, “The Integrated Project Planning and Management Cycle”, paper presented at United Nations Asian Centre...
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McGraw-HillDictionary of Engineering Second Edition McGraw-Hill 2003 pptx
... (212) 904-4069 TERMS OF USE This is a copyrighted work and The McGraw- Hill Companies, Inc (“McGrawHill”) and its licensors reserve all rights in and to the work Use of this work is subject to these ... of the AND gate and the OR gate { and ¦or sərиkət } ˙ AND- OR-INVERT gate [ELECTR] A logic circuit with four inputs, a1, a2, b1, and b2, whose output is only if either a1 and a2 or b1 and b2 ... airport [CIV ENG] A terminal facility used for aircraft takeoff and landing and including facilities for handling passengers and cargo and for servicing aircraft Also known as aerodrome { er port...
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Boston University/ Met College Administrative Sciences: McGraw-Hill/Irwin doc
... differences, and it is important that they understand these reasons To achieve such an understanding, users need to know enough about accounting concepts and techniques to understand the nature and limitations ... Financial accounting and reporting standards for state and local governments and government-owned entities, such as colleges and universities, are set by the Government Accounting Standards Board Authoritative ... present and potential investors and creditors in making rational investment and credit decisions Comprehensible to those who have a reasonable understanding of business and economic activities and...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 1 pot
... left-hand portion of the core, R2 be the reluctance of the left-hand air gap, R3 be the reluctance of the right-hand portion of the core, R4 be the reluctance of the right-hand air gap, and R5 ... you actually use, and the areas where you would like to have additional exercises This information can be passed to the email address given below, or alternately via you McGraw- Hill representative ... P1-3 The dimensions are as shown in the diagram, and the depth of the core is cm The air gaps on the left and right sides of the core are 0.070 and 0.020 cm, respectively Because of fringing effects,...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 2 ppt
... factor, and the real, reactive, and apparent power being supplied by the source (b) Assume that the switch shown in the figure is closed, and calculate the current I, the power factor, and the ... rated at 1-kVA and 120/240 V It has 500 turns of wire on the 120-V side and 1000 turns of wire on the 240-V side The magnetization curve for this transformer is shown in Figure P2-2, and can be found ... current, and the rms value of the magnetization current % % % % M-file: prob2_5a.m M-file to calculate and plot the magnetization current of a 120/240 transformer operating at 120 volts and 60...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 3 ppsx
... transformer bank is to handle 600 kVA and have a 34.5/13.8-kV voltage ratio Find the rating of each individual transformer in the bank (high voltage, low voltage, turns ratio, and apparent power) ... the transformer is 480 V, and the secondary current in each transformer is 246 A The primary voltages and currents are given by the transformer turns ratios to be 7967 V and 14.8 A, respectively ... then the voltage of phase B will be at an angle of –120°, and the voltages of phases A and B on the secondary side will be VAS = 480∠0° V and VBS = 480∠ − 120° V respectively Note that line currents...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 4 pot
... If we find the average and rms values over the interval from π/6 to 5π/6 (one period), these values will be the same as the average and rms values of the entire waveform, and they can be used to ... we must calculate the voltage vC(t), and then solve for the time at which vC(t) exceeds VBO for D1 At the beginning of the half cycle, D1 and SCR1 are OFF, and the voltage across the load is essentially ... the system, increasing the load voltage and the total power supplied to the loads, while simultaneously decreasing the current in the transmission line and the transmission line losses This problem...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 5 ppsx
... creates and plots the three-phase waveforms, calculates and plots the output waveform, and determines the ripple in the output waveform % % % % M-file: prob3_14b.m M-file to calculate and plot ... A + B e − t RLOADC where A and B are constants depending upon the initial conditions in the circuit Since vC(0) = V and vC(∞) = VDC, it is possible to solve for A and B A = vC(∞) = VDC A + B ... circuit is a current source inverter The rectifier and filter together produce an approximately constant dc voltage and current across the two SCRs and diodes at the right of the figure The applied...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 6 pps
... reactance of 1.1 Ω and an armature resistance of 0.15 Ω At 60 Hz, its friction and windage losses are 24 kW, and its core losses are 18 kW The field circuit has a dc voltage of 200 V, and the maximum ... 2, 4, 6, 8, 10, 12, and 14 poles operating at frequencies of 50, 60, and 400 Hz SOLUTION The equation relating the speed of magnetic field rotation to the number of poles and electrical frequency ... the input, reference, and output voltages are: 96 (b) The output spectrum of this PWM modulator is shown below There are two plots here, one showing the entire spectrum, and the other one showing...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 7 doc
... synchronous reactance of 0.75 Ω and an armature resistance of 0.04 Ω Generators and have a characteristic power-frequency slope sP of 2.5 MW/Hz, and generators and have a slope of MW/Hz (a) If ... 60 Hz, and 0.85 PF lagging Its armature resistance RA is 0.016 Ω The core losses of this generator at rated conditions are kW, and the friction and windage losses are kW The open-circuit and short-circuit ... system and is initially floating on the line, sketch the resulting magnetic fields and phasor diagram (c) The governor setting on the diesel is now increased Show both by means of house diagrams and...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 8 ppt
... reactance of 2.8 Ω and an armature resistance of 0.4 Ω At 60 Hz, its friction and windage losses are 24 kW, and its core losses are 18 kW The field circuit has a dc voltage of 200 V, and the maximum ... and the SCC The OCC voltage at I F = 380 A is 14.1 kV, and the short-circuit current is 1240 A Since this generator is Y-connected, the corresponding phase voltage is Vφ = 14.1 kV/ = 8141 V and ... 13.2 kV, 0.8 PF lagging, and 60 Hz Its synchronous reactance is 0.9 Ω, and its resistance may be ignored (a) What is its voltage regulation? (b) What would the voltage and apparent power rating...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 9 pot
... motor runs at a no-load speed of 1790 r/min and a full-load speed of 1720 r/min Calculate the slip and the electrical frequency of the rotor at no-load and full-load conditions What is the speed ... (83.1 V )(129 V ) = 71.5 kW 0.45 Ω (f) As we can see by comparing the results of (c) and (e), the power-handling capability of the synchronous motor varies linearly with the speed of the motor ... synchronous machine has a synchronous reactance of 2.0 Ω per phase and an armature resistance of 0.4 Ω per phase If E A =460∠-8° V and Vφ = 480∠0° V, is this machine a motor or a generator? How much...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 1 Part 10 pps
... source, a resistor, and two reactances Find the Thevenin equivalent voltage and impedance of this circuit at the terminals Then derive the expressions for the magnitude of VTH and for RTH given ... and X M >> X then X X M >> R12 X M + X 12 X M and ( X + X M ) ≈ X M >> R12 , so X TH ≈ 7-13 X1 X M = X1 XM2 Figure P7-1 shows a simple circuit consisting of a voltage source, two resistors, and ... (r/min) w_sync = 377; % Synchronous speed (rad/s) % Calculate the Thevenin voltage and impedance from Equations % 7-41a and 7-43 v_th = v_phase * ( xm / sqrt(r1^2 + (x1 + xm)^2) ); z_th = ((j*xm) *...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 2 Part 1 pptx
... it is possible to reduce its phase voltage Vφ (and hence its starting current) by simply re-connecting the stator windings in Y during starting, and then restoring the connections to ∆ when the ... A 1.377 1.377 A wound-rotor induction motor is operating at rated voltage and frequency with its slip rings shorted and with a load of about 25 percent of the rated value for the machine If the ... reduces the phase voltage on the motor by a factor 0.8 This reduces the phase current and line current in the motor (and on the secondary side of the transformer) by a factor of 0.8 However, the current...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 2 Part 2 ppt
... 797 r/min If V A = 240 V, then E A = 240 V, and n= 9-9 120 V 271 V If V A = 180 V, then E A = 180 V, and n= (a) no If V A = 120 V, then E A = 120 V, and n= (a) EA E Ao 240 V 271 V (1200 r/min ... by varying both V A and Radj ? (b) What is the minimum no-load speed attainable by varying both V A and Radj ? SOLUTION (a) The maximum speed will occur with the maximum V A and the maximum Radj ... generated voltage E Ao,2 for a current of 35 A and a speed of no = 1200 r/min is E Ao,2 = 115 V, and the internal generated voltage E Ao,1 for a current of 58 A and a speed of no = 1200 r/min is E Ao...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 2 Part 3 docx
... 240 V, and 60 A The armature resistance of the motor is 0.15 Ω, and the shunt field resistance is 40 Ω The motor is to start with no more than 250 percent of its rated armature current, and as ... 87 V (b) The maximum voltage will occur at the highest current and speed, and the minimum voltage will occur at the lowest current and speed The maximum possible field current occurs when Radj ... A? (d) Calculate and plot the terminal characteristics of this generator with and without armature reaction SOLUTION (a) The total field resistance of this generator is 34 Ω, and the no-load terminal...
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(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 2 Part 4 pptx
... = 0.4 A NF 1000 and the I A ( R A + RS ) voltage drop is I A ( R A + RS ) = ( 20 A ) ( 0.21 Ω ) = 4.2 V The location where the N SE I A and I A RA exactly fits between the E A and VT lines corresponds ... A NF 1000 and the I A (R A + RS ) voltage drop is I A (RA + RS ) = (80 A )(0.20 Ω ) = V The location where the triangle formed by N SE I A and I A R A exactly fits between the E A and VT lines ... power system supplying a constant 240 V, and the ac machine is connected to a 480-V 60-Hz infinite bus The dc machine has four poles and is rated at 50 kW and 240 V It has a per-unit armature resistance...
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