Basler BE1-CDS220, Instruction Manual

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BE1-CDS220 Application i
SECTION 8
•
APPLICATION
TABLE OF CONTENTS
SECTION 8
•
APPLICATION..................................................................................................................... 8-1
INTRODUCTION .................................................................................................................................... 8-1
EXPLANATION
OF TERMS ................................................................................................................... 8-1
Function Element ................................................................................................................................ 8-1
Virtual Switches .................................................................................................................................. 8-1
OVERVIEW OF PREPROGRAMMED LOGIC SCHEMES..................................................................... 8-1
Basic Differential Protection Logic Scheme ........................................................................................ 8-2
Basic Transformer Logic Scheme....................................................................................................... 8-2
Basic Transformer with Control Logic Scheme................................................................................... 8-2
Transformer Differential with Backup Logic Scheme.......................................................................... 8-2
Bus Protection with Backup Logic Scheme ........................................................................................ 8-2
Motor Protection Logic Scheme.......................................................................................................... 8-3
DETAILS OF PREPROGRAMMED LOGIC SCHEMES ......................................................................... 8-3
BASIC DIFFERENTIAL LOGIC SCHEME .............................................................................................. 8-4
Protection Elements............................................................................................................................ 8-6
Integration of Protection, Control, and I/O Elements .......................................................................... 8-6
Alarms................................................................................................................................................. 8-7
BASIC TRANSFORMER LOGIC SCHEME............................................................................................ 8-9
Protection Elements.......................................................................................................................... 8-11
Integration of Protection, Control, and I/O Elements ........................................................................ 8-12
Alarms............................................................................................................................................... 8-12
BASIC TRANSFORMER WITH CONTROL LOGIC SCHEME ............................................................. 8-14
Protection Elements.......................................................................................................................... 8-17
Integration of Protection, Control, and I/O Elements ........................................................................ 8-17
Alarms............................................................................................................................................... 8-18
TRANSFORMER WITH BACKUP SCHEME ........................................................................................ 8-21
Protection Elements.......................................................................................................................... 8-22
Integration of Protection, Control, and I/O Elements ........................................................................ 8-23
Test Mode ......................................................................................................................................... 8-23
Alarms............................................................................................................................................... 8-23
BUS WITH BACKUP SCHEME ............................................................................................................ 8-30
Protection Elements.......................................................................................................................... 8-36
Integration of Protection, Control, and I/O Elements ........................................................................ 8-36
Test Mode ......................................................................................................................................... 8-37
Setting Group.................................................................................................................................... 8-37
Alarms............................................................................................................................................... 8-37
MOTOR PROTECTION LOGIC............................................................................................................ 8-41
Protection Elements.......................................................................................................................... 8-44
Integration of Protection, Control, and I/O Elements ........................................................................ 8-45
High Inertia Motor Start..................................................................................................................... 8-45
Low Inertia Motor Start...................................................................................................................... 8-46
Emergency Trip ................................................................................................................................ 8-46
Alarms............................................................................................................................................... 8-46
MISCELLANEOUS LOGIC EXPRESSIONS ........................................................................................ 8-49
APPLICATION TIPS ............................................................................................................................. 8-50
Trip Circuit Continuity and Voltage Monitor ...................................................................................... 8-50
Close-Circuit Monitor ........................................................................................................................ 8-51
Block Neutral and Negative Sequence Protection ............................................................................ 8-52
Setting Group Selection .................................................................................................................... 8-52
Output Contact Seal-In ..................................................................................................................... 8-52
Latching a Tripping Contact .............................................................................................................. 8-53
Latching a Programmable Logic Alarm or Creating a Pseudo Target .............................................. 8-55
Logic Settings Associated With Figure 8-20 ..................................................................................... 8-55