Download Print this page

ABB REL650 series Technical Manual page 368

Line distance protection

Hide thumbs Also See for REL650 series:

Technical manual (942 pages)

,

Applications manual (516 pages)

,

Commissioning manual (208 pages)

page of 856

/ 856
Contents
Table of Contents
Bookmarks

Table of Contents

Advertisement

Section 11

Control

LINE1_OP

LINE1_CL

BUS1_OP

BUS1_CL

LINE2_OP

LINE2_CL

BUS2_OP

BUS2_CL

VB1OK

VB1FF

VB2OK

VB2FF

VL1OK

VL1FF

VL2OK

VL2FF

BLOCK

ANSI05000781 V2 EN

Figure 169:

Simplified logic diagram for the voltage selection function for the tie circuit breaker in breaker-and-a-

half arrangement.

362

AND

AND

AND

AND

AND

AND

OR

OR

OR

OR

NOT

AND

line1Voltage

bus1Voltage

NOT

AND

line2Voltage

bus2Voltage

AND

OR

AND

AND

AND

1MRK 506 335-UUS A

L1SEL

B1SEL

busVoltage

L2SEL

B2SEL

invalidSelection

OR

lineVoltage

selectedFuseOK

AND

VSELFAIL

AND

en05000781_2_ansi.vsd

Technical manual

Table of Contents

Show Quick Links

Quick Links:
Main Protection Functions

Hide quick links:

Advertisement

Chapters

Table of Contents

Related Products for ABB REL650 series