Basler Electric BE1-700 - Manual (Page 181)

SECTION 8
• APPLICATION
TABLE OF CONTENTS
SECTION 8 • APPLICATION ..................................................................................................................... 8-1
INTRODUCTION ................................................................................................................................... 8-1
EXPLANATION OF TERMS .................................................................................................................. 8-1
OVERVIEW OF PREPROGRAMMED LOGIC SCHEMES ................................................................... 8-1
EMBEDDED LOGIC SCHEMES FOR BE1-700C ................................................................................. 8-2
700C-5051-A-BE (Basic Overcurrent Protection) Logic Scheme ...................................................... 8-2
700C-OC79-A-BE (Overcurrent Protection with Reclosing) Logic Scheme ...................................... 8-2
EMBEDDED LOGIC SCHEMES FOR BE1-700V ................................................................................. 8-2
700V-OUVF-A-BE (Over/Undervoltage and Voltage Protection) Logic Scheme ............................... 8-2
700V-VF79-A-BE (Voltage Protection with Reclosing) Logic Scheme .............................................. 8-2
DETAILS OF PREPROGRAMMED LOGIC SCHEMES ........................................................................ 8-2
700C-5051-A-BE (BASIC OVERCURRENT) LOGIC SCHEME (BE1-700C) ....................................... 8-2
Operation - Protection ........................................................................................................................ 8-3
Operation - Setting Group Selection .................................................................................................. 8-3
Operation - Alarms ............................................................................................................................. 8-3
700C-OC79-A-BE (OVERCURRENT WITH RECLOSING) LOGIC SCHEME (BE1-700C) ................. 8-9
Operation - Protection ........................................................................................................................ 8-9
Operation - Reclosing ......................................................................................................................... 8-9
Operation - Setting Group Selection ................................................................................................ 8-10
Operation - Alarms ........................................................................................................................... 8-10
700V-OUVF-A-BE (OVER/UNDER V & F PROTECTION) LOGIC SCHEME (BE1-700V) ................. 8-16
Protection Elements ......................................................................................................................... 8-16
Integration of Protection, Control and I/O Elements ........................................................................ 8-17
Alarms .............................................................................................................................................. 8-17
700V-VF79-A-BE (VOLTAGE PROTECTION WITH RECLOSING) LOGIC SCHEME (BE1-700V) ... 8-23
Protection Elements ......................................................................................................................... 8-24
Dead Line Reclosing (Conditional Voltage Reclose) ....................................................................... 8-24
Alarms .............................................................................................................................................. 8-24
MISCELLANEOUS LOGIC EXPRESSIONS ....................................................................................... 8-30
APPLICATION TIPS ............................................................................................................................ 8-31
Output Contact Latch Using the TRSTKEY Logic Variable ............................................................. 8-31
Alarm Latch and Pseudo Target Using the ARSTKEY Logic Variable ............................................ 8-33
Underfrequency Load Shedding with Restoration Permissive (BE1-700V) ..................................... 8-34
Logic Equations and Settings, Underfrequency Load Shedding...................................................... 8-36
Close Circuit Monitor ........................................................................................................................ 8-39
High-Speed Reclose ........................................................................................................................ 8-39
Block Load Tap Changer.................................................................................................................. 8-40
Setting Group Selection ................................................................................................................... 8-40
Output Contact Seal-In ..................................................................................................................... 8-41
Figures
Figure 8-1. 700C-5051-A-BE (Basic OC) Logic Diagram .......................................................................... 8-4
Figure 8-2. 700C-5051-A-BE (Basic OC) One-Line Drawing .................................................................... 8-5
Figure 8-3. 700C-OC79-A-BE (OC with 79) Logic Diagram .................................................................... 8-11
Figure 8-4. 700C-OC79-A-BE (OC with 79) One-Line Drawing .............................................................. 8-12
Figure 8-5. 700V-OUVF-A-BE (Over/Under V & F Protection) Logic Diagram (1 of 2) ........................... 8-17
Figure 8-6. 700V-OUVF-A-BE (Over/Under V & F Protection) Logic Diagram (2 of 2) ........................... 8-18
Figure 8-7. 700V-OUVF-A-BE (Over/Under V & F Protection) One-Line Drawing ................................. 8-19
Figure 8-8. 700V-VF79-A-BE (V & F Protection with Reclosing) Logic Diagram (1 of 2) ....................... 8-25
Figure 8-9. 700V-VF79-A-BE (V & F Protection with Reclosing) Logic Diagram (2 of 2) ....................... 8-25
Figure 8-10. 700V-VF79-A-BE (V & F Protection with Reclosing) One-Line Drawing ............................ 8-26
Figure 8-11. Station One-Line Drawing ................................................................................................... 8-32
Figure 8-12. BE1-700C Transformer Protection Output Latch, ARSTKEY and TRSTKEY .................... 8-32
Figure 8-13. Underfrequency Load Shed Bus Level Application ............................................................ 8-34
9376700990 Rev M BE1-700 Application i