P746/EN AP/G31
Application Notes
(AP) 6-
28
MiCOM
P746
7.3 Topology
processing
The following scenarios demonstrate how the dynamic topology processing works and
accommodates anomalies and discrepancies in the scheme.
7.3.1
Single bar or double bus with bus sectionaliser
P0583ENa
Bus Section Closed
Isolator Closed
Isolator Closed
CB Closed
CB Closed
Zone 1 = CT1 + CT2
Zone 1 = BB1 + BB2
Check Zone = CT1 + CT2
AP
FIGURE 9: BUS SECTION CLOSED
A zone is defined from a CT to an other CT or an open electrical element (coupler CB or
isolator).
As all the breakers and isolators are closed there is only one zone including BB1 and BB2
P0585ENa
Bus Section Open
Isolator Closed
Isolator Closed
CB Closed
CB Closed
Check Zone = CT1 + CT2
Zone 1 = CT1
Zone 2 = CT2
Zone 1 = BB1
Zone 2 = BB2
FIGURE 10: BUS SECTION OPEN
A zone is defined from a CT to an other CT or an open electrical element (coupler CB or
isolator).
When the bus section is open, a zone is created from each bar feeder CT to that open bus
section.
There is one zone for BB1 and one zone for BB2.
Summary of Contents for MiCOM P746
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Page 5: ...Pxxx EN SS G11 SAFETY SECTION...
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Page 16: ...P746 EN IT G31 Introduction MiCOM P746...
Page 18: ...P746 EN IT G31 Introduction IT 1 2 MiCOM P746 IT BLANK PAGE...
Page 26: ...P746 EN TD G31 Technical Data MiCOM P746...
Page 38: ...P746 EN GS G31 Getting Started MiCOM P746...
Page 78: ...P746 EN ST G31 Getting Started MiCOM P746...
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Page 114: ...P746 EN OP G31 Operation MiCOM P746...
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Page 138: ...P746 EN AP G31 Application Notes MiCOM P746...
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Page 196: ...P746 EN PL G31 Programmable Logic MiCOM P746...
Page 238: ...P746 EN MR A11 Measurements and Recording MiCOM P746...
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Page 258: ...P746 EN FD G31 Firmware Design MiCOM P746...
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Page 366: ...P746 EN TS G31 Troubleshooting MiCOM P746...
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Page 382: ...P746 EN SC G31 SCADA Communications MiCOM P746...
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Page 426: ...P746 EN SG F21 Symbols and Glossary MiCOM P746...
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Page 524: ...P746 EN VH G31 Firmware and Service Manual Version History MiCOM P746...
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