GE LPS-O - TEST CALCULATIONS; Description; Entering Input Quantities

GE Power Management LPS-O Line Protection System 10-
3
10 ALPS-TEST PROGRAM 10.2 TEST CALCULATIONS
10
10.2 TEST CALCULATIONS 10.2.1 DESCRIPTION
The following is the user input quantities and their ranges. Each test does not use all the quantities. The default
values are used for only the first test dialog box displayed for each new test.
10.2.2 ENTERING INPUT QUANTITIES
When the user clicks on a
Select
button from a
TestC
alculations
dialog box, the
Enter Value
dialog box is
displayed. This dialog box has two modes, one is to enter a value for a continuous range of values and the
other is to select a value from a list of values. Select the
Help
button from the
Enter Value
dialog box. A help
screen is displayed describing how to use this dialog box.
Table 10–1: INPUT QUANTITIES
INPUT QUANTITY RANGE DEFAULT VALUES
Rated current 1 or 5 amp(s) 1 amp
Reach (Reach in forward / reverse
direction)
1 amp: 0.01 to 250.00
5 amp: 0.01 to 50.00
0.01
Positive Sequence Reach Angle 45 to 90 degrees 45 degrees
Characteristic Timer M1: 90 degrees
MT: 90 to 120 degrees in steps of 5
M3: 90 to 120 degrees in steps of 5
M4: 80 to 120 degrees in steps of 5
MOB: 30 to 130 degrees
90 degrees for all
Test Current calculated high limit of range
Degrees to increment angle 5,10, 15 5
Phase angle reference V[øG], V[øø] V[øø]
Zero Sequence Reach Angle 45 to 90 degrees 45
I0 Compensation Factor, K0 1.0 to 7.0 1.0
Direction forward, reverse reverse
Offset Reach (times main reach) 0 to 0.4 0
Replica Impedance Angle Calculated for output only N/A
Effective Test Reach Calculated for output only N/A