ECE 476 Power System Analysis Fall 2014
Homework 4
Quiz Date: Tuesday September 23, 2014
Problem 1. A 500-km, 500-kV, 60-Hz uncompensated three-phase line has a positive-sequence series impedance
z = 0.03 + j0.35 /km and a positive-sequence shunt admittan
ECE 476 Power System Analysis Fall 2009
Exam #1, Tuesday, November 16, 2009. 12:30-1:1:50PM
Name:
Problem 1 (30 p)
A load L consuming 1 p.u. of active power and 0.5 p.u. of reactive power is connected to a generator G1
through a short transmission line wi
ECE 476 Power System Analysis Fall 2014
Homework 2
In-class quiz: Tuesday, September 9, 2014
Problem 1. In PowerWorld Simulator Problem 2.32 (see Figure 1 below) a 8 MW/4 Mvar load is supplied at
13.8 kV through a feeder with an impedance of (1+ j2) . The
ECE 476 Power System Analysis Fall 2014
Exam #1, Thursday, October 2, 2014. 9:30AM - 10:50AM
Name:
Problem 1 (25 p)
Two balanced 3-phase loads are connected in parallel. One is Y-connected and draws 75 kW (3-phase) at 0.8
power factor lagging. The other i
ECE 476 Power System Analysis Fall 2013
Exam #1, Thursday, October 3, 2013. 8:00-9:20AM
Name: Solutions
Problem 1 (10 points - 1 point each)
Circle TRUE / FALSE:
(1) TRUE / FALSE In order to reduce the consumption of reactive power of an industrial load,
ECE 476 Power System Analysis Fall 2014
Homework 2
Problem 1. In PowerWorld Simulator Problem 2.32 (see Figure 1 below) a 8 MW/4 Mvar load is supplied at 13.8
kV through a feeder with an impedance of (1+ j2) . The load is compensated with a capacitor whos
ECE 476 Power System Analysis Fall 2014
Homework 4
Problem 1. A 500-km, 500-kV, 60-Hz uncompensated three-phase line has a positive-sequence series impedance
z = 0.03 + j0.35 /km and a positive-sequence shunt admittance y = j4.4 106 S/km. Calculate:
(a) Z
ECE 476 Power System Analysis Fall 2014
Homework 1
Reading: Chapters 1 and 2 of GS&O
Problem 1. With |V | = 100 V, the instantaneous power p(t) into a network N has a maximum value
1707 W and a minimum value of -293 W.
1. Find a possible series RL circuit
ECE 476 Power System Analysis Fall 2013
Homework 2
Due Date: Thursday September 12, 2013
Problem 1. In PowerWorld Simulator Problem 2.32 (see Figure 1 below) a 8 MW/4 Mvar load is supplied at 13.8
kV through a feeder with an impedance of (1+ j2) . The loa
ECE 476 Power System Analysis Fall 2013
Homework 2
Due Date: Thursday September 12, 2012
Problem 1. In PowerWorld Simulator Problem 2.32 (see Figure 1 below) a 8 MW/4 Mvar load is supplied at
13.8 kV through a feeder with an impedance of (1+ j2) . The loa
ECE 476 Power System Analysis Fall 2013
Homework 5
Reading: Chapter 3.
Due Date: Thursday October 17, 2013
Problem 1. The following data are obtained when open-circuit and short-circuit tests are performed on a singlephase, 50-kVA, 2400/240-volt, 60-Hz di
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