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10 ALPS-TEST PROGRAM
10.2 TEST CALCULATIONS
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.
Table 10–1: INPUT QUANTITIES
INPUT QUANTITY
Rated current
Reach (Reach in forward / reverse
direction)
Positive Sequence Reach Angle
Characteristic Timer
Test Current
Degrees to increment angle
Phase angle reference
Zero Sequence Reach Angle
I0 Compensation Factor, K0
Direction
Offset Reach (times main reach)
Replica Impedance Angle
Effective Test Reach
When the user clicks on a Select button from a TestCalculations 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.
GE Power Management
RANGE
1 or 5 amp(s)
1 amp: 0.01 to 250.00
5 amp: 0.01 to 50.00
45 to 90 degrees
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
calculated
5,10, 15
V[øG], V[øø]
45 to 90 degrees
1.0 to 7.0
forward, reverse
0 to 0.4
Calculated for output only
Calculated for output only
LPS-O Line Protection System
10.2 TEST CALCULATIONS
10.2.1 DESCRIPTION
DEFAULT VALUES
1 amp
0.01
45 degrees
90 degrees for all
high limit of range
5
V[øø]
45
1.0
reverse
0
N/A
N/A
10.2.2 ENTERING INPUT QUANTITIES
10
10-
3
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