EasyManuals Logo

ABB RED650 Applications Manual

ABB RED650
454 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #375 background imageLoading...
Page #375 background image
IEC13000298-2-en.vsd
IEDIED
MU
OK
OK
Direct transfer trip (DTT)
local remote
IEC13000298 V2 EN-US
Figure 152: Normal operation
Case 2:
Failure of the MU (sample lost) blocks the sending of binary signals through
LDCM. The received binary signals are not blocked and processd normally.
→DTT from the remote end is still processed.
IEC13000299-2-en.vsd
Direct transfer trip (DTT)
local remote
IEDIED
MU
Not OK
OK
IEC13000299 V2 EN-US
Figure 153: MU failed, mixed system
Case 3:
Failure of one MU (sample lost) blocks the sending and receiving of binary signals
through LDCM.
→DTT from the remote end is not working.
1MRK 505 393-UEN B Section 18
Station communication
Line differential protection RED650 2.2 IEC 369
Application manual

Table of Contents

Other manuals for ABB RED650

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the ABB RED650 and is the answer not in the manual?

ABB RED650 Specifications

General IconGeneral
BrandABB
ModelRED650
CategoryProtection Device
LanguageEnglish

Related product manuals