Texas_Synchrophasor_Averages_Week_of_Jan_08_2012.doc
users.ece.utexas.edu/~grady/Texas_Synchrophasor_Network.html
McDonald Observatory Average Voltage Phase Angle
1-Minute Intervals, Beginning Sunday, January 8, 2012
50
Degrees wrt UT Austin
40
West Texas
Exports
30
20
10
00
-10
-20
West Texas
Imports
-30
-40
-50
0
24
48Waco Average
72 Voltage96
120
144
Phase Angle
1-Minute Intervals,
Beginning
Sunday,
Hour
of the Week,
GMT January 8, 2012
168
Degrees wrt UT Austin
20
ERCOT Power
Flow North to
South
10
00
ERCOT Power
Flow South to
North
-10
-20
0
24
UT
Voltage
48 Pan Am Average
72
96 Phase Angle
120
144
1-Minute Intervals, Beginning Sunday, January 8, 2012
Hour of the Week, GMT
168
Degrees wrt UT Austin
40
30
20
South Texas
Exports
10
00
South Texas
Imports
-10
0
24
48
72
96
Hour of the Week, GMT
Straight-Line
Miles
370 miles
100 miles
280 miles
Page 1 of 2
120
144
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Texas_Synchrophasor_Averages_Week_of_Jan_08_2012.doc
users.ece.utexas.edu/~grady/Texas_Synchrophasor_Network.html
Harris Minimum Frequency
1-Minute Intervals, Beginning Sunday, January 8, 2012
60.1
Hz
60.0
59.9
59.8
59.7
0
24
48
72
96
120
144
168
144
168
Hour of the Week, GMT
Harris Maximum Frequency
1-Minute Intervals, Beginning Sunday, January 8, 2012
Hz
60.1
60.0
59.9
0
24
48
72
96
Hour of the Week, GMT
Page 2 of 2
120