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Power System Analysis and Design (MindT...

6th Edition

J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher: Cengage Learning

ISBN: 9781305632134

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Chapter

Section

Problem 2.2MCQ:

If the rms phasor of a voltage is given by V=12060 volts, then the corresponding v(t) is given by...

Problem 2.3MCQ:

If a phasor representation of a current is given by I=70.745A, it is equivalent to a. 100e/45 b....

Problem 2.4MCQ:

With sinusoidal-steady-state excitation, for a purely resistive circuit, the voltage and current...

Problem 2.5MCQ:

For a purely inductive circuit, with sinusoidal-steady-state excitation, the voltage and current...

Problem 2.6MCQ:

For a purely capacitive circuit, with sinusoidal-steady-state excitation, the voltage and current...

Problem 2.7MCQ:

With sinusoidal-steady-state excitation, the average power in a single- phase ac circuit with a...

Problem 2.9MCQ:

The average power in a single-phase ac circuit with a purely capacitive load, for...

Problem 2.10MCQ:

The average value of a double-frequency sinusoid, sin2(t+), is given by (a) 1 (b) (c) Zero

Problem 2.11MCQ:

The power factor for an inductive circuit (R-L load), in which the current lags the voltage, is said...

Problem 2.12MCQ:

The power factor for a capacitive circuit (R-C load), in which the current leads the voltage, is...

Problem 2.14MCQ:

The instantaneous power absorbed by the load in a single-phase ac circuit, for a general R LC load...

Problem 2.15MCQ:

With load convention, where the current enters the positive terminal of the circuit element, if is...

Problem 2.16MCQ:

With generator conyention, where the current leaves the positive terminal of the circuit element, if...

Problem 2.17MCQ:

Consider the load convention that is used for the RLC elements shown in Figure 2.2 of the text. A....

Problem 2.18MCQ:

In an ac circuit, power factor improvement is achieved by (a) Connecting a resistor in parallel with...

Problem 2.20MCQ:

Consider Figure 2.9 of the text, Let the nodal equations in matrix form be given by Eq. (2.4. 1) of...

Problem 2.21MCQ:

The three-phase source line-to-neutral voltages are given by Ean=100,Ebh=10+240, and Ecn=10240volts....

Problem 2.22MCQ:

In a balanced three-phase Y-connected system with a positive-sequence source, the line-to-line...

Problem 2.23MCQ:

In a balanced system, the phasor sum of the line-to-line voltages and the phasor sum of the...

Problem 2.24MCQ:

Consider a three-phase Y-connected source feeding a balanced- load. The phasor sum of the line...

Problem 2.25MCQ:

For a balanced- load supplied by a balanced positive-sequence source. the line currents into the...

Problem 2.26MCQ:

A balanced -load can be converted to an equivalent balanced-Y load by dividing the -load impedance...

Problem 2.27MCQ:

When working with balanced three-phase circuits, per-phase analysis is commonly done after...

Problem 2.28MCQ:

The total instantaneous power delivered by a three-phase generator under balanced operating...

Problem 2.29MCQ:

The total instantaneous power absorbed by a three-phase motor (under balanced steady-state...

Problem 2.30MCQ:

Under balanced operating conditions, consider the three-phase complex power delivered by the...

Problem 2.31MCQ:

One advantage of balanced three-phase systems over separate singlephase systems is reduced capital...

Problem 2.32MCQ:

While the instantaneous electric power delivered by a single-phase generator under balanced...

Problem 2.1P:

Given the complex numbers A1=630 and A2=4+j5, (a) convert A1 to rectangular form: (b) convert A2 to...

Problem 2.2P:

Convert the following instantaneous currents to phasors, using cos(t) as the reference. Give your...

Problem 2.3P:

The instantaneous voltage across a circuit element is v(t)=400sin(t+30)volts, and the instantaneous...

Problem 2.4P:

For the single-phase circuit shown in Figure 122,I=100A. (a) Compute the phasors I1,I2, (b) Draw a...

Problem 2.5P:

A 60Hz, single-phase source with V=27730 volts is applied to a circuit element. (a) Determine the...

Problem 2.6P:

(a) Transform v(t)=75cos(377t15) to phasor form. Comment on whether =377 appears in your answer. (b)...

Problem 2.7P:

Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...

Problem 2.8P:

Consider the circuit shown in Figure 2.23 in time domain. Convert the entire circuit into phasor...

Problem 2.10P:

For the circuit element of Problem 2.3, calculate (a) the instantaneous power absorbed, (b) the real...

Problem 2.11P:

Referring to Problem 2.5,determine the instantaneous power, real power, and reactive power absorbed...

Problem 2.12P:

The voltage v(t)=359.3cos(t)volts is applied to a load consisting of a 10 resistor in parallel with...

Problem 2.14P:

A single-phase source is applied to a two-terminal, passive circuit with equivalent impedance...

Problem 2.15P:

Let a voltage source v(t)=4cos(t+60) be connected to an impedance Z=230. (a) Given the operating...

Problem 2.16P:

A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

Problem 2.17P:

Consider a load impedance of Z=jwL connected to a voltage and V let the current drawn be I. (a)...

Problem 2.18P:

Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of...

Problem 2.19P:

Consider a single-phase load with an applied voltage v(t)=150cos(t+10)volts and load current...

Problem 2.20P:

A circuit consists of two impedances, Z1=2030 and Z2=2560, in parallel, supplied by a source voltage...

Problem 2.21P:

An industrial plant consisting primarily of induction motor loads absorbs 500 kW at 0.6 power factor...

Problem 2.22P:

The real power delivered by a source to two impedances, Z1=4+j5 and Z2=10 connected in parallel, is...

Problem 2.23P:

A single-phase source has a terminal voltage V=1200volts and a currentI=1530, which leaves the...

Problem 2.24P:

A source supplies power to the following three loads connected in parallel: (1) a lighting load...

Problem 2.25P:

Consider the series RLC circuit of Problem 2.7 and calculate the complex power absorbed by each of...

Problem 2.26P:

A small manufacturing plant is located 2 km down a transmission line, which has a series reactance...

Problem 2.27P:

An industrial load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8...

Problem 2.28P:

Three loads are connected in parallel across a single-phase source voltage of 240V(RMS). Load 1...

Problem 2.29P:

Modeling the transmission lines as inductors, with Sif=Sfi*, Compute S13,S31,S23,S32,, and SG3 in...

Problem 2.30P:

Figure 2.26 shows three loads connected in parallel across a 1000-V(RMS),60Hz single-phase source....

Problem 2.31P:

Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in...

Problem 2.32P:

In PowerWorld Simulator case Problem 2_32 (see Figure 2.28) a 8 MW and 4 Mvar load is supplied at...

Problem 2.33P:

For the system from Problem 2.32, plot the real and reactive line losses as cap is varied between 0...

Problem 2.34P:

For the system from Problem 2.32, assume that half the time the load is 10 MW and 5 Mvar, and for...

Problem 2.35P:

For the circuit shown in Figure 2.29, convert the voltage sources to equivalent current sources and...

Problem 2.36P:

For the circuit shown in Figure 2.29, (a) determine the 22 bus admittance matrix Ybus, (b) convert...

Problem 2.37P:

Determine the 44 bus admittance matrix Ybus and write nodal equations in matrix format for the...

Problem 2.38P:

Given the impedance diagram of a simple system as shown in Figure 2.31, draw the admittance diagram...

Problem 2.39P:

(a) Given the circuit diagram in Figure 2.32 showing admittances and current sources at nodes 3 and...

Problem 2.40P:

A balanced three-phase 240-V source supplies a balanced three-phase Load. If the line current IA is...

Problem 2.41P:

A three-phase 25kVA,480V.60Hz alternator, operating under balanced steady-state conditions, supplies...

Problem 2.42P:

A balanced -connected impedance load with (12+j9) per phase is supplied by a balanced three-phase...

Problem 2.43P:

A three-phase line, which has an impedance of (2+j4) per phase, feeds two balanced three-phase loads...

Problem 2.44P:

Two balanced three-phase loads that are connected in parallel are fed by a three-phase line having a...

Problem 2.45P:

Two balanced Y-connected loads, one drawing 10 kW at 0.8 power factor lagging and the other IS kW at...

Problem 2.46P:

Three identical impedances Z=3030 are connected in to a balanced three-phase 208-V source by three...

Problem 2.47P:

Two three-phase generators supply a three-phase load through separate three-phase lines. The load...

Problem 2.48P:

Two balanced Y-connected loads in parallel, one drawing 15 kW at 0.6 power factor lagging and the...

Problem 2.49P:

Figure 2.33 gives the general -Y transformation. (a) Show that the general transformation reduces...

Problem 2.50P:

Consider the balanced three-phase system shown in Figure 2.34. Deter mine v1(t) and i2(t). Assume...

Problem 2.51P:

A three-phase line with an impedance of (0.2+j1.0)/ phase feeds three balanced three-phase loads...

Problem 2.52P:

A balanced three-phase load is connected to a 4.16-kV, three-phase, fourwire, grounded-wye dedicated...

Problem ACSQ:

What is a microgrid?

Problem BCSQ:

What are the benefits of microgrids?

Introduce the basic concepts of power systems as well as the tools students need to apply these skills to real world situations with POWER SYSTEM ANALYSIS AND DESIGN, 6E. This new edition highlights physical concepts while also giving necessary attention to mathematical techniques. The authors develop both theory and modeling from simple beginnings so students are prepared to readily extend these principles to new and complex situations. Software tools including PowerWorld Simulation, and the latest content throughout this edition aid students with design issues while reflecting the most recent trends in the field.

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