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–5–
M‑3311A Transformer Protection Relay
STANDARD PROTECTIVE FUNCTIONS (
cont
.)
Device
Setpoint
Number Function
Ranges
Increment
Accuracy
†
Phase Differential Current
87H
Pickup
5.0 to 20.0 PU 0.1
PU
0.1 PU or
3%
Time Delay
1 to 8160 Cycles 1
Cycle
–1 to +3 Cycles or
1%
87T
Pickup
0.10 to 1.00 PU 0.01
PU
0.02 PU or
5%
Percent Slope #1
5 to 100%
1%
1%
Percent Slope #2
5 to 200%
1%
1%
Slope Break Point
1.0 to 4.0 PU
0.1 PU
—
Even Harmonics Restraint
5 to 50%
1%
1% or
0.1 A
(2nd and 4th)
5th Harmonic Restraint
5 to 50%
1%
1% or
0.1 A
Pickup at 5th
Harmonic Restraint
0.10 to 2.00 PU
0.01 PU
0.1 PU or
5%
CT Tap W1/W2/W3/W4
1.00 to 100.00
0.01
—
(0.2 to 20)
Trip response for 87T and 87H (if time delay set to 1 cycle) is less than 1.5 cycles. Each restraint element may be
individually disabled, enabled, or set for cross phase averaging.
Ground Differential
87GDW2/87GDW3/87GDW4
Pickup #1, #2
0.2 to 10.00 A
0.01 A
0.1 A or
5%
(0.04 to 2.00 A)
(
0.02 A or
5%)
Time Delay #1, #2
1 to 8160 Cycles*
1 Cycle
–1 to +3 Cycles or
1%
3
I
O
Current Selection Sum1, Sum2, W2**, W3**, W4**
Directional Element
Disable/Enable
CT Ratio Correction (R
c
)
0.10 to 7.99
0.01
*The Time Delay should not be less than 2 cycles.
This function is selectable as either directional or non-directional. If 3
l
0
is extremely small, directional element is
disabled.
**Individual windings are selectable only for the same winding ground differential element. For example, you may
select W4 for 87GDW4 but not for 87GDW2 or 87GDW3.
†
Select the greater of these accuracy values.
Values in parentheses apply to 1 A CT secondary rating.
87
87
GD
Содержание M?3311A
Страница 1: ...Instruction Book M 3311A Transformer Protection Relay ...
Страница 30: ... 29 M 3311A Transformer Protection Relay This Page Left Intentionally Blank ...
Страница 55: ...M 3311A Instruction Book 1 6 This Page Left Intentionally Blank ...
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 ...
Страница 127: ...M 3311A Instruction Book 3 40 This Page Left Intentionally Blank ...
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 ...
Страница 383: ...A 50 M 3311A Instruction Book This Page Left Intentionally Blank ...
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 ...
Страница 439: ...F 28 M 3311A Instruction Book This Page Left Intentionally Blank ...
Страница 449: ...This Page Left Intentionally Blank ...