POWER SYSTEM ANALYSIS+DESIGN-EBK >I<
6th Edition
ISBN: 9781337259170
Author: Glover
Publisher: INTER CENG
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Chapter 2, Problem DCSQ
To determine
The smart grids can defer transmission and distribution investments or not. If so, then discuss the way in which they defer.
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Chapter 2 Solutions
POWER SYSTEM ANALYSIS+DESIGN-EBK >I<
Ch. 2 - The rms value of v(t)=Vmaxcos(t+) is given by a....Ch. 2 - If the rms phasor of a voltage is given by V=12060...Ch. 2 - If a phasor representation of a current is given...Ch. 2 - Prob. 2.4MCQCh. 2 - Prob. 2.5MCQCh. 2 - Prob. 2.6MCQCh. 2 - Prob. 2.7MCQCh. 2 - Prob. 2.8MCQCh. 2 - Prob. 2.9MCQCh. 2 - The average value of a double-frequency sinusoid,...
Ch. 2 - The power factor for an inductive circuit (R-L...Ch. 2 - The power factor for a capacitive circuit (R-C...Ch. 2 - Prob. 2.13MCQCh. 2 - The instantaneous power absorbed by the load in a...Ch. 2 - Prob. 2.15MCQCh. 2 - With generator conyention, where the current...Ch. 2 - Consider the load convention that is used for the...Ch. 2 - Prob. 2.18MCQCh. 2 - The admittance of the impedance j12 is given by...Ch. 2 - Consider Figure 2.9 of the text, Let the nodal...Ch. 2 - The three-phase source line-to-neutral voltages...Ch. 2 - In a balanced three-phase Y-connected system with...Ch. 2 - In a balanced system, the phasor sum of the...Ch. 2 - Consider a three-phase Y-connected source feeding...Ch. 2 - For a balanced- load supplied by a balanced...Ch. 2 - A balanced -load can be converted to an...Ch. 2 - When working with balanced three-phase circuits,...Ch. 2 - The total instantaneous power delivered by a...Ch. 2 - The total instantaneous power absorbed by a...Ch. 2 - Under balanced operating conditions, consider the...Ch. 2 - One advantage of balanced three-phase systems over...Ch. 2 - While the instantaneous electric power delivered...Ch. 2 - Given the complex numbers A1=630 and A2=4+j5, (a)...Ch. 2 - Convert the following instantaneous currents to...Ch. 2 - The instantaneous voltage across a circuit element...Ch. 2 - For the single-phase circuit shown in Figure...Ch. 2 - A 60Hz, single-phase source with V=27730 volts is...Ch. 2 - (a) Transform v(t)=75cos(377t15) to phasor form....Ch. 2 - Let a 100V sinusoidal source be connected to a...Ch. 2 - Consider the circuit shown in Figure 2.23 in time...Ch. 2 - For the circuit shown in Figure 2.24, compute the...Ch. 2 - For the circuit element of Problem 2.3, calculate...Ch. 2 - Prob. 2.11PCh. 2 - The voltage v(t)=359.3cos(t)volts is applied to a...Ch. 2 - Prob. 2.13PCh. 2 - A single-phase source is applied to a...Ch. 2 - Let a voltage source v(t)=4cos(t+60) be connected...Ch. 2 - A single-phase, 120V(rms),60Hz source supplies...Ch. 2 - Consider a load impedance of Z=jwL connected to a...Ch. 2 - Let a series RLC network be connected to a source...Ch. 2 - Consider a single-phase load with an applied...Ch. 2 - A circuit consists of two impedances, Z1=2030 and...Ch. 2 - An industrial plant consisting primarily of...Ch. 2 - The real power delivered by a source to two...Ch. 2 - A single-phase source has a terminal voltage...Ch. 2 - A source supplies power to the following three...Ch. 2 - Consider the series RLC circuit of Problem 2.7 and...Ch. 2 - A small manufacturing plant is located 2 km down a...Ch. 2 - An industrial load consisting of a bank of...Ch. 2 - Three loads are connected in parallel across a...Ch. 2 - Prob. 2.29PCh. 2 - Figure 2.26 shows three loads connected in...Ch. 2 - Consider two interconnected voltage sources...Ch. 2 - Prob. 2.35PCh. 2 - Prob. 2.36PCh. 2 - Prob. 2.37PCh. 2 - Prob. 2.38PCh. 2 - Prob. 2.39PCh. 2 - A balanced three-phase 240-V source supplies a...Ch. 2 - Prob. 2.41PCh. 2 - A balanced -connected impedance load with (12+j9)...Ch. 2 - A three-phase line, which has an impedance of...Ch. 2 - Two balanced three-phase loads that are connected...Ch. 2 - Two balanced Y-connected loads, one drawing 10 kW...Ch. 2 - Three identical impedances Z=3030 are connected in...Ch. 2 - Two three-phase generators supply a three-phase...Ch. 2 - Prob. 2.48PCh. 2 - Figure 2.33 gives the general -Y transformation....Ch. 2 - Consider the balanced three-phase system shown in...Ch. 2 - A three-phase line with an impedance of...Ch. 2 - A balanced three-phase load is connected to a...Ch. 2 - What is a microgrid?Ch. 2 - What are the benefits of microgrids?Ch. 2 - Prob. CCSQCh. 2 - Prob. DCSQ
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- Practice1 A single-phase step-down transformer of 83 kVA, nominal voltages 24kV/230 V, frequency 60 Hz is available.The following test parameters are available:Pfe = 216 W, Io = 2% Pcc = 1083 W, Vcc = 4% Determine:a. Parameters Rcc, Xcc and Rfe of the equivalent circuit referring to the secondary.b. Relative voltage drops. εcc, εrcc, εxccarrow_forwardA single-phase step-down transformer of 83 kVA, nominal voltages 24kV/230 V, frequency 60 Hz is available.The following test parameters are available:Pfe = 216W, Io = 2%, Pcc = 1083W, Vcc = 4% Determine: If the transformer is connected to 24 kV, a load Zc, fp = 0.866 in arrears, is installed in the secondary transformer, which consumes the nominal current. Calculate:• Transformer voltage regulation (perform calculations by PU's)• Maximum efficiency.arrow_forwardThe magnetic circuit shown in the figure is made of TRAN-COR material, the flow magnetic power on the right arm (BCDE) is 6 x 10 -4 Wb. (disregard marginal effects anddispersion) Calculate the current in the 200-turn coilarrow_forward
- theoretically and compare it with the test value. Report :- 1- Calculate the D.C. output Voltagearrow_forwardf 2- For resistive load, measured the output voltage by using oscilloscope, then sketch this wave.. 3- Measure the average values of Vɩ and Iɩ . 4- Repeat steps 2 & 3 but for R.L load.arrow_forwardA single-phase 10 kVA, 1000/100V transformer has the relative voltage parameters of: εrcc = 6%, εxcc = 8%, core losses Pfe = 200W and nominal copper losses of Pcu = 300W.A load of 2 < 30° Ω is connected to the secondary of the transformer. Determine using pu ́s calculations:to. The voltage in the primary, if the voltage of the secondary (at load) is 100 V.b. If the voltage in the primary remains constant at 1000 V, what would be the voltage at the load?c. The voltage regulation of the transformer under the conditions b.d. The efficiency of the transformer under the conditions b.arrow_forward
- 9.38 For the op-amp circuit of Fig. P9.38:(a) Obtain an expression for H(w) = Vo/Vs in standard form.(b) Generate spectral plots for the magnitude and phase ofH(w), given that R1 = 99 kW, R2 = 1 kW, and C = 0.1 μF.(c) What type of filter is it? What is its maximum gain?arrow_forwardA short 3-o transmission line with an impedance of (6+j 8)2 per phase has receiving end of 22000 kw, 120 KV, 0.8 lagging p.f. Determine (i) Sending voltage (ii) Sending current (iii) Sending power factor (iv) voltage regulation.arrow_forward9.37 For the op-amp circuit of Fig. P9.37:*(a) Obtain an expression for H(w) = Vo/Vs in standard form.(b) Generate spectral plots for the magnitude and phase ofH(w), given that R1 = 1 kW, R2 = 4 kW, and C = 1 μF.(c) What type of filter is it? What is its maximum gainarrow_forward
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