Database Values p.u.

1

Database Values (p.u.)
Estimated Parameters (p.u.)
Resis
Resis
React
React
Y/2
Y/2

L3
.00174
.01270
.03560
.00452
.01094
.01020
.00590
.03040
.00800
.00802
.03063
.00386
L5
.00460
.03350
.01128
.00667
L7
.03354
.00650
L2
.00181
.01318
.00450
.00181
.01318
.00209
Example of Database and Estimated Transmission
Line Parameters for the Network shown on the
Schematic Diagram. These values are determined
from a SCADA snapshot. Resistance and line
charging show the most significant errors.
Contact Power Systems Consultants for a 30 day
trial program to estimate transmission line
parameters from data snapshots.
E-mail powersysconsultants_at_verizon.net