4–55
System Setup and Setpoints – 4
Undervoltage pickup establishes the voltage level below which the
function timer will start.
Enables or disables the undervoltage inhibit feature.
Undervoltage inhibit establishes the voltage level below which the
function will be disabled.
The operating time of the function.
27 PICKUP
108 Volts
27 INHIBIT
disable ENABLE
27 INHIBIT
108 Volts
27 DELAY
30 Cycles
27 Phase Undervoltage
NOTE:
Two or four voltage inputs are available
for the M-3311A. The Voltage Input can
be a phase voltage input or voltage
generated from a broken delta VT con
-
nection. 81O/U, 27, and 24 Functions
are only available if the voltage input is
connected to the phase voltage. If the
voltage input is connected to phase volt-
age, Function 59G will be unavailable.
Function 59G is only available if the
voltage input is connected to a broken
delta VT.
The 27 Undervoltage function may be used to detect
any condition causing long term undervoltage
This function is used to shed the transformer load
when the power system does not have enough re
-
active support, similar to the Over/Underfrequency
(81O/U) function.
The Inhibit setting of this function prevents it from
operating during fault conditions.
NOTE:
Only one 27 Phase Undervoltage ele-
ment is available in Four Winding ap
-
plications.
4 Winding
27#1 PICKUP
108 Volts
27#1 INHIBIT
DISABLE enable
27#1 INHIBIT
108 Volts
27#1 DELAY
30 Cycles
NOTE:
These screens are the same for #2 and
#3 elements on 2/3 applications.
2/3 Winding
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 ...