ii
Close and Reclose Logic
Date Code 20001006
SEL-351 Instruction Manual
Skip Shot and Stall Open Interval Timing Settings (79SKP and 79STL, Respectively) .....6-24
Factory Settings Example ........................................................................................6-25
Additional Settings Example 1 .................................................................................6-25
Additional Settings Example 2 .................................................................................6-26
Additional Settings Example 3 .................................................................................6-27
Other Settings Considerations ..................................................................................6-27
Factory Settings Example ........................................................................................6-27
Additional Settings Example 1 .................................................................................6-27
Additional Settings Example 2 .................................................................................6-28
Factory Settings Example ........................................................................................6-29
Additional Settings Example 1 .................................................................................6-29
Additional Settings Example 2 .................................................................................6-31
TABLES
Relay Word Bit and Front-Panel Correspondence to Reclosing Relay States ....................6-13
Shot Counter Correspondence to Relay Word Bits and Open Interval Times ....................6-19
Control Equation Settings ......................................................6-20
FIGURES
Reclose Supervision Limit Timer Operation (Refer to Bottom of Figure 6.2)......................6-7
SEL-351 Relays Installed at Both Ends of a Transmission Line in a High-Speed
Sequence Coordination Between the SEL-351 Relay and a Line Recloser.........................6-29
Operation of SEL-351 Relay Shot Counter for Sequence Coordination With Line
Figure 6.10: Operation of SEL-351 Relay Shot Counter for Sequence Coordination With Line
Summary of Contents for SEL-351
Page 14: ...Courtesy of NationalSwitchgear com ...
Page 16: ...Courtesy of NationalSwitchgear com ...
Page 40: ...Courtesy of NationalSwitchgear com ...
Page 74: ...Courtesy of NationalSwitchgear com ...
Page 146: ...Courtesy of NationalSwitchgear com ...
Page 186: ...Courtesy of NationalSwitchgear com ...
Page 220: ...Courtesy of NationalSwitchgear com ...
Page 304: ...Courtesy of NationalSwitchgear com ...
Page 340: ...Courtesy of NationalSwitchgear com ...
Page 380: ...Courtesy of NationalSwitchgear com ...
Page 450: ...Courtesy of NationalSwitchgear com ...
Page 506: ...Courtesy of NationalSwitchgear com ...
Page 528: ...Courtesy of NationalSwitchgear com ...
Page 534: ...Courtesy of NationalSwitchgear com ...
Page 536: ...Courtesy of NationalSwitchgear com ...
Page 550: ...Courtesy of NationalSwitchgear com ...
Page 562: ...Courtesy of NationalSwitchgear com ...
Page 570: ...Courtesy of NationalSwitchgear com ...
Page 584: ...Courtesy of NationalSwitchgear com ...
Page 602: ...Courtesy of NationalSwitchgear com ...