Testing – 6
6–31
50 Instantaneous Phase Overcurrent 1-8
VOLTAGE INPUTS:
None
CURRENT INPUTS:
Configurations C1, C2, C3, C4
TEST SETTINGS:
50W1 Pickup
P
Amps
(1.0 to 100)
1 Amp CT Rating
(0.2 to 20)
Current Selection
(Sum1, Sum2, W1, W2, W3, W4)
Time Delay
D
Cycles
(1 to 8160)
Programmed Outputs
Z
OUT
(1 to 8)
Expanded I/O
(9 to 16)
Function 27
Disable
Function 46DT
Disable
Function 46IT
Disable
Function 49
Disable
Function 50W2/W3 or W4
Disable
Function 50N
Disable
Function 51
Disable
Function 51N
Disable
Function 59G
Disable
Function 87H/T
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 inputs in Configuration C1 as designated previously. Refer to Section 6.4,
Input
Configurations
, for configurations.
4.
Select W1 in Winding Config Setpoint.
NOTE:
Special attention must be taken as to which winding is being tested and which winding is disabled
when changing setpoints.
5.
Pickup Test
:
a. Press and hold the
TARGET RESET
button in, then slowly increase current input 3 (C
phase) until the selected winding target LED illuminates or the pickup indicator operates on
the computer target screen. The current level of operation will be (
P
) Amps
0.1 A (
0.02
Amp 1 A CT) or
3%.
b. Release the
TARGET RESET
button, then decrease the current. The
OUTPUT
LED will
extinguish.
c. Press
TARGET RESET
button to remove targets. This test may be repeated for each of the
other phases.
6.
Time Test
: With output contacts (
Z
) connected to the timer, apply current 5% above pickup (
P
)
Amps and start timing. The operating time will be (
D
) cycles within
2 cycles or 1%.
7.
Repeat Steps 4 and 5 for windings W2, W3 and W4 using configurations C2, C3, and C4.
8.
Winding Summing Test:
Later
9. 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.
Summary of Contents for M?3311A
Page 1: ...Instruction Book M 3311A Transformer Protection Relay ...
Page 30: ... 29 M 3311A Transformer Protection Relay This Page Left Intentionally Blank ...
Page 55: ...M 3311A Instruction Book 1 6 This Page Left Intentionally Blank ...
Page 87: ...M 3311A Instruction Book 2 32 This Page Left Intentionally Blank ...
Page 89: ...M 3311A Instruction Book 3 2 Figure 3 2 IPScom Main Screen ...
Page 107: ...M 3311A Instruction Book 3 20 Figure 3 22 Setup System Dialog Screen 2 3 Winding ...
Page 108: ...IPScom 3 3 21 Figure 3 23 Setup System Dialog Screen 4 Winding ...
Page 112: ...IPScom 3 3 25 Figure 3 29 I O Map Screen 4 Winding ...
Page 114: ...IPScom 3 3 27 Figure 3 31 Display All Setpoints Screen 4 Winding ...
Page 119: ...M 3311A Instruction Book 3 32 Figure 3 38 View Sequence of Events Recorder Screen ...
Page 127: ...M 3311A Instruction Book 3 40 This Page Left Intentionally Blank ...
Page 150: ...4 23 System Setup and Setpoints 4 Figure 4 14 Setup Sequence of Events Recorder Dialog Screen ...
Page 163: ...4 36 M 3311A Instruction Book Figure 4 15 IPScom Relay Setup System Dialog Screen 2 3 Winding ...
Page 166: ...4 39 System Setup and Setpoints 4 Figure 4 18 IPScom Selection Screen for Input Settings ...
Page 179: ...4 52 M 3311A Instruction Book Figure 4 28 Example of V Hz Capability and Protection Curves ...
Page 187: ...4 60 M 3311A Instruction Book Figure 4 33 49 Function Overload Curves ...
Page 229: ...4 102 M 3311A Instruction Book Table 4 5 Transformer Connections ...
Page 231: ...4 104 M 3311A Instruction Book Table 4 7 Custom Transformer and CT Configuration ...
Page 243: ...M 3311A Instruction Book 5 6 Figure 5 5 Mounting Dimensions for GE L 2 Cabinet H3 and H4 ...
Page 383: ...A 50 M 3311A Instruction Book This Page Left Intentionally Blank ...
Page 389: ...M 3311A Instruction Book B 6 This Page Left Intentionally Blank ...
Page 393: ...D 2 M 3311A Instruction Book Figure D 1 Volts Hz 24IT Inverse Curve Family 1 Inverse Square ...
Page 394: ...Inverse Time Curves Appendix D D 3 Figure D 2 Volts Hz 24IT Inverse Family Curve 2 ...
Page 395: ...D 4 M 3311A Instruction Book Figure D 3 Volts Hz 24IT Inverse Time Curve Family 3 ...
Page 396: ...Inverse Time Curves Appendix D D 5 Figure D 4 Volts Hz 24IT Inverse Curve Family 4 ...
Page 399: ...D 8 M 3311A Instruction Book Figure D 5 Definite Time Overcurrent Curve ...
Page 400: ...Inverse Time Curves Appendix D D 9 Figure D 6 Inverse Time Overcurrent Curve ...
Page 401: ...D 10 M 3311A Instruction Book Figure D 7 Very Inverse Time Overcurrent Curve ...
Page 402: ...Inverse Time Curves Appendix D D 11 Figure D 8 Extremely Inverse Time Overcurrent Curve ...
Page 439: ...F 28 M 3311A Instruction Book This Page Left Intentionally Blank ...