Description - GE ALPS Instruction Manual

10.2 TEST CALCULATIONS
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.
10
10-2
RANGE
1 or 5 A
1 A: 0.01 to 250.00
5 A: 0.01 to 50.00
45° to 90°
M1: 90°
MT: 90° to 120° in steps of 5°
M3: 90° to 120° in steps of 5°
M4: 90° to 120° in steps of 5°
MOB: 30° to 130°
M1G: 90°
MTG: 80° to 155° in steps of 5°
M3G: 80° to 155° in steps of 5°
M4G: 80° to 155° in steps of 5°
calculated
5, 10, 15
V[øG], V[øø]
45° to 90°
1.0 to 7.0
forward, reverse
0 to 0.4
Calculated for output only
Calculated for output only
Figure 10–3: ENTER VALUE DIALOG BOX
ALPS Advanced Line Protection System
10 ALPS TEST PROGRAM

10.2.1 DESCRIPTION

DEFAULT
VALUES
1 A
0.01
45°
90° for all
high limit of range
5
V[øø]
45°
1.0
reverse
0
N/A
N/A
10.2.2 ENTERING INPUT QUANTITIES
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