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M‑3311A Instruction Book
6–38
51G Inverse Time Ground Overcurrent
VOLTAGE INPUTS:
None
CURRENT INPUTS:
Configuration C5
TEST SETTINGS:
51GW2/W3/W4 Pickup
P
Amps
(0.50 to 12.00)
1 Amp CT Rating
(0.1 to 2.4)
Standard Inverse Time Curves:
1
Curve
C
(1 to 4)
Time Dial
TD
(0.5 to 11.0)
IEC Inverse Time Curves:
1
IEC Curve
C
(5 to 8)
IEC Time Dial
TD
(0.05 to 1.10)
IEEE Inverse Time Curves:
1
IEEE Curve
C
(9 to 11)
IEEE Time Dial
(0.5 to 15.0)
Programmed Outputs
Z
OUT
(1 to 8)
Expanded I/O
(9 to 16)
Function 50G
Disable
Function 87GD
Disable
1. Disable functions as shown. Refer to Section 4.4,
System Setpoints
, for procedures.
2. Confirm settings to be tested. Only the winding being tested should be enabled; the others should
be disabled.
3. Connect current inputs in Configuration C5 as designated previously. See Section 6.4,
Input
Configurations
, for configurations.
4.
Refer to Appendix D. Calculate test times for levels represented on the graphs. It is suggested
that 4 or 5 test levels be chosen.
t = time in seconds TD = Time Dial setting M = current in multiples of pickup
5.
Time Test
: With output contacts connected to the timer, apply currents used in calculations from
Step 4 and start timing while observing selected winding target
LED for pickup. The operating
time will be (
D
) cycles within
3 cycles or
3% of calculated time.
6.
Repeat Step 5 for each test level chosen.
7.
Repeat Steps 4, 5 & 6 using Currents
I
GW3
,
I
GW4
while observing the selected winding target LED
for pickup.
8. If testing is complete, enable any functions disabled for this test. If further testing is desired, check
the proper functions to disable for the next test and continue from this configuration.
1
Either a Standard Curve, IEC Curve or IEEE Curve must be selected.
Содержание M?3311A
Страница 1: ...Instruction Book M 3311A Transformer Protection Relay ...
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Страница 67: ...M 3311A Instruction Book 2 12 Path Monitor Metering ll Figure 2 9 Metering II Screen 4 Winding ...
Страница 87: ...M 3311A Instruction Book 2 32 This Page Left Intentionally Blank ...
Страница 89: ...M 3311A Instruction Book 3 2 Figure 3 2 IPScom Main Screen ...
Страница 93: ...M 3311A Instruction Book 3 6 Figure 3 8 Terminal Window Figure 3 7 IPScom Modem Communication Dialog Screen ...
Страница 99: ...M 3311A Instruction Book 3 12 Path Monitor Metering ll Figure 3 14 Metering II Screen 4 Winding ...
Страница 103: ...M 3311A Instruction Book 3 16 Path Monitor Phasor Diagram F87T Figure 3 18 Phasor Diagram F87T 4 Winding ...
Страница 107: ...M 3311A Instruction Book 3 20 Figure 3 22 Setup System Dialog Screen 2 3 Winding ...
Страница 108: ...IPScom 3 3 21 Figure 3 23 Setup System Dialog Screen 4 Winding ...
Страница 112: ...IPScom 3 3 25 Figure 3 29 I O Map Screen 4 Winding ...
Страница 114: ...IPScom 3 3 27 Figure 3 31 Display All Setpoints Screen 4 Winding ...
Страница 119: ...M 3311A Instruction Book 3 32 Figure 3 38 View Sequence of Events Recorder Screen ...
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Страница 150: ...4 23 System Setup and Setpoints 4 Figure 4 14 Setup Sequence of Events Recorder Dialog Screen ...
Страница 163: ...4 36 M 3311A Instruction Book Figure 4 15 IPScom Relay Setup System Dialog Screen 2 3 Winding ...
Страница 164: ...4 37 System Setup and Setpoints 4 Figure 4 16 IPScom Relay Setup System Dialog Screen 4 Winding ...
Страница 166: ...4 39 System Setup and Setpoints 4 Figure 4 18 IPScom Selection Screen for Input Settings ...
Страница 179: ...4 52 M 3311A Instruction Book Figure 4 28 Example of V Hz Capability and Protection Curves ...
Страница 187: ...4 60 M 3311A Instruction Book Figure 4 33 49 Function Overload Curves ...
Страница 229: ...4 102 M 3311A Instruction Book Table 4 5 Transformer Connections ...
Страница 231: ...4 104 M 3311A Instruction Book Table 4 7 Custom Transformer and CT Configuration ...
Страница 233: ...4 106 M 3311A Instruction Book CONNECTION EXAMPLES Figure 4 72 Typical Transformer Differential Application ...
Страница 234: ...4 107 System Setup and Setpoints 4 AUXILIARY TRANSFORMER EXAMPLE Figure 4 73 Delta ac Wye Wye CT Connection Diagram ...
Страница 236: ...4 109 System Setup and Setpoints 4 GSU TRANSFORMER EXAMPLE Figure 4 75 Wye Delta ac Delta ac CT Connection Diagram ...
Страница 243: ...M 3311A Instruction Book 5 6 Figure 5 5 Mounting Dimensions for GE L 2 Cabinet H3 and H4 ...
Страница 275: ...M 3311A Instruction Book 5 38 Dip Switch J46 J60 J61 J5 J20 J21 J22 J18 Figure 5 34 M 3311A Circuit Board Standard I O ...
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Страница 389: ...M 3311A Instruction Book B 6 This Page Left Intentionally Blank ...
Страница 393: ...D 2 M 3311A Instruction Book Figure D 1 Volts Hz 24IT Inverse Curve Family 1 Inverse Square ...
Страница 394: ...Inverse Time Curves Appendix D D 3 Figure D 2 Volts Hz 24IT Inverse Family Curve 2 ...
Страница 395: ...D 4 M 3311A Instruction Book Figure D 3 Volts Hz 24IT Inverse Time Curve Family 3 ...
Страница 396: ...Inverse Time Curves Appendix D D 5 Figure D 4 Volts Hz 24IT Inverse Curve Family 4 ...
Страница 399: ...D 8 M 3311A Instruction Book Figure D 5 Definite Time Overcurrent Curve ...
Страница 400: ...Inverse Time Curves Appendix D D 9 Figure D 6 Inverse Time Overcurrent Curve ...
Страница 401: ...D 10 M 3311A Instruction Book Figure D 7 Very Inverse Time Overcurrent Curve ...
Страница 402: ...Inverse Time Curves Appendix D D 11 Figure D 8 Extremely Inverse Time Overcurrent Curve ...
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