9-10
G30 Generator Protection System
GE Multilin
9.1 SETTING EXAMPLE
9 APPLICATION OF SETTINGS
9
Since this element will coordinate with system protections a timed reset is chosen. The element must be blocked for a VT
fuse failure. The neutral source will be chosen. Make the following changes in EnerVista UR Setup or through the
SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1
PHASE CURRENT
PHASE TOC1
menu:
9.1.9 OVEREXCITATION
This protection should be set to coordinate with the manufacturers excitation capability curves. For example system, the
combined generator/GSU limit curve is shown below:
Figure 9–5: GENERATOR/GSU LIMIT CURVE
Program the volts per hertz 1 element with an inverse characteristic (curve A), a pickup of 1.05, and a TDM of 40. Program
the volts per hertz 2 element with a definite time characteristic, a pickup of 1.23, and a time delay of 2 seconds. Both ele-
ments will issue a trip. The volts per hertz 1 pickup will be used to generate an alarm. Either source may be assigned in this
example. Make the following changes in EnerVista UR Setup or through the
SETTINGS
GROUPED ELEMENTS
SET-
Volts per hertz (p.u.)
Combined generator/GSU
limit curve
Volts per
hertz 1
Volts per
hertz 2
T
ime
(seconds)
830734A1.CDR
Содержание G30
Страница 10: ...x G30 Generator Protection System GE Multilin TABLE OF CONTENTS ...
Страница 30: ...1 20 G30 Generator Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 414: ...5 274 G30 Generator Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Страница 456: ...8 2 G30 Generator Protection System GE Multilin 8 1 DIRECTIONAL PRINCIPLE 8 THEORY OF OPERATION 8 ...
Страница 470: ...9 14 G30 Generator Protection System GE Multilin 9 1 SETTING EXAMPLE 9 APPLICATION OF SETTINGS 9 ...
Страница 484: ...11 12 G30 Generator Protection System GE Multilin 11 6 DISPOSAL 11 MAINTENANCE 11 ...
Страница 512: ...A 28 G30 Generator Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 620: ...B 108 G30 Generator Protection System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Страница 666: ...E 10 G30 Generator Protection System GE Multilin E 1 IEC 60870 5 104 APPENDIX E E ...
Страница 678: ...F 12 G30 Generator Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...
Страница 687: ...GE Multilin G30 Generator Protection System H 7 APPENDIX H H 2 ABBREVIATIONS H Z Impedance Zone ...