M‑3311A Instruction Book
6–34
50BF Breaker Failure
VOLTAGE INPUTS:
Configuration V1
CURRENT INPUTS:
As Described
TEST SETTINGS:
50BFW1/W2/W3/W4 Phase Pickup
P
Amps
(0.10 to 10.00)
1 Amp CT Rating
(0.02 to 2.00)
50BFW1/W2/W3/W4 Residual Pickup
N
Amps
(0.10 to 10.0)
1 Amp CT Rating
(0.02 to 2)
Time Delay
D
Cycles
(1 to 8160)
Programmed Outputs
Z
OUT
(1 to 8)
Expanded I/O
(9 to 16)
Functions 46DT, 46IT
Disable
Function 49
Disable
Function 50 1-8
Disable
Function 50N
Disable
Function 51
Disable
Function 51N
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 designated previously to test breaker failure for Winding 1.
Refer to Section 6.4,
Input Configurations
, for configurations.
NOTE:
For proper testing use
I
O
3 X CT rating.
4. Select an input for 50BF Input Initiate (
IN
) and enter the number.
5.
Place a jumper from Terminal
11
(RTN) to the selected input terminal (
IN
) on the rear of the unit.
6.
Verify that all Output Initiates (
OUT
) are disabled.
7.
Phase Pickup Test
:
a. Press and hold the
TARGET RESET
button in, then slowly increase 3-phase current until the
BREAKER FAILURE 50BF
LED illuminates or the pickup indicator operates on the computer
target screen. The level of operation will be
P
Amps
0.1 Amps (
0.02 Amps 1 A CT) or
2%.
b. Release the
TARGET RESET
button, then decrease the 3-phase current. The
OUTPUT
LED
will extinguish.
c. Press
TARGET RESET
button to remove targets.
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 ...