Basler BE1-CDS220, Instruction Manual

Page: 63 / 476

BE1-CDS220 Protection and Control i
SECTION 4
•
PROTECTION AND CONTROL
TABLE OF CONTENTS
SECTION 4
•
PROTECTION AND CONTROL ......................................................................................... 4-1
GENERAL .............................................................................................................................................. 4-1
SETTING GROUPS ............................................................................................................................... 4-1
BESTlogic Settings for Setting Group Control.................................................................................... 4-2
Operating Settings for Setting Group Control..................................................................................... 4-5
Logic Override of the Setting Group Control Function ....................................................................... 4-8
Retrieving Setting Group Control Status from the Relay.................................................................... 4-9
DIFFERENTIAL PROTECTION ............................................................................................................. 4-9
87 - Phase Differential Protection ....................................................................................................... 4-9
BESTlogic Settings for Phase Differential..................................................................................... 4-12
Tap Compensation Settings for Phase Differential....................................................................... 4-13
Operating Settings for Phase Differential...................................................................................... 4-15
Retrieving Phase Differential Status from the Relay..................................................................... 4-16
87ND - Neutral Differential Protection .............................................................................................. 4-16
BESTlogic Settings for Neutral Differential ................................................................................... 4-18
Auto-Tap Compensation Settings for Neutral Differential............................................................. 4-19
Operating Settings for Neutral Differential .................................................................................... 4-19
Retrieving Neutral Differential Status from the Relay ................................................................... 4-20
OVERCURRENT PROTECTION ......................................................................................................... 4-21
50T - Instantaneous Overcurrent Protection with Settable Time Delay ........................................... 4-21
BESTlogic Settings for Instantaneous Overcurrent ...................................................................... 4-21
Operating Settings for Instantaneous Overcurrent ....................................................................... 4-23
Retrieving Instantaneous Overcurrent Status from the Relay ...................................................... 4-24
51 - Time Overcurrent Protection ..................................................................................................... 4-24
BESTlogic Settings for Time Overcurrent ..................................................................................... 4-25
Operating Settings for Time Overcurrent ...................................................................................... 4-26
Retrieving Time Overcurrent Status from the Relay ..................................................................... 4-27
Programmable Curves...................................................................................................................... 4-27
Setting Programmable Curves ...................................................................................................... 4-28
Negative-Sequence Overcurrent Protection..................................................................................... 4-29
Pickup Settings for Negative-Sequence Overcurrent ................................................................... 4-29
Coordination Settings for Negative-Sequence Overcurrent.......................................................... 4-30
Delta/Wye Transformer Application .............................................................................................. 4-30
BREAKER FAILURE PROTECTION ................................................................................................... 4-30
BF - Breaker Failure Protection ........................................................................................................ 4-30
BESTlogic Settings for Breaker Failure ........................................................................................ 4-31
Operating Settings for Breaker Failure ......................................................................................... 4-33
Retrieving Breaker Failure Status from the Relay ........................................................................ 4-34
LOGIC TIMERS.................................................................................................................................... 4-34
62 - General Purpose Logic Timers.................................................................................................. 4-34
Mode 1, PU/DO (Pickup/Dropout Timer) ...................................................................................... 4-34
Mode 2, One-Shot Nonretriggerable Timer................................................................................... 4-35
Mode 3, One-Shot Retriggerable Timer........................................................................................ 4-35
Mode 4, Oscillator ......................................................................................................................... 4-35
Mode 5, Integrating Timer ............................................................................................................. 4-36
Mode 6, Latch ............................................................................................................................... 4-36
BESTlogic Settings for General Purpose Logic Timers ................................................................ 4-37
Operating Settings for General Purpose Logic Timers ................................................................. 4-38
Retrieving General Purpose Logic Timers Status from the Relay ................................................ 4-39
VIRTUAL SWITCHES .......................................................................................................................... 4-39
43 - Virtual Selector Switches........................................................................................................... 4-39
BESTlogic Settings for Virtual Selector Switches ......................................................................... 4-40
Select Before Operate Control of Virtual Selector Switches......................................................... 4-41
Retrieving Virtual Selector Switches Status from the Relay ......................................................... 4-42