publish：2025-05-09 16:20:00
author
：Daniel
views
：2320
Daniel
publish：2025-05-09 16:20:00
2320
Protections relay types from some company:
1. Distance :
Siemens : (7SA522)
ABB : (REL670)
Schneider : (P441,2,…)
2. Current Differential :
Siemens : (7SD61,7UT613)
ABB : (REL551)
Schneider : (P545)
Reyroue : (Solkor, N)
3. Line Differential :
Siemens : (7SD60,7SJ621,7UT613)
ABB : (RED670,REL561)
Toshiba : (GRL100)
4. Busbar protection high and low impedance: (Diff)
Siemens : (7SS523)
ABB : (REB500,RADHA(h)
Schneider : (MCAG34(H)
Reyrolle : (DAD)
5. Pilot Wire :
Schneider : (HO4)
Reyrolle : ( S01kor pf)
6. Transformer Bised differential:
Siemens : (7UT613)
Schneider : P633,kBCH130,120,P631,P632)
7. Restricted earth fault high impedance:
Siemens :(7vh600)
ABB :(SPAE010)
Schneider : ( MCAG14 , MCAG34)
8. Over current and earth fault :
Siemens : ( 7SJ61,7SJ602) Areva : (KCGG142,P123,P122)
Toshiba : (GRD110)
9. Breaker Failure:
Siemens : (7SS523,7VK61)
ABB : ( RAICA,SEL352)
10.under/ over voltage :
Schneider:( P921)
Toshiba : (GRD130)
11.Directional over current :
Siemens :(7SJ62)
Schneider: (KCEG142)
12.Transformer standby earth fault
Siemens : (7SJ602, 7SJ610, 7SJ612)
13.Thermal over load :
Siemens :(7SJ612, 7SJ511)
Schneider : (P123)
14.Auto reclose and synchro chek :
Siemens :(7VK511,LFA102)
Schneider: (KAVR130)
Toshiba :(GR100)
15.Auto reclose:
Siemens :(7VK512)
ABB: (REXA101,REXA103)
16.Manual synchro cheek :
Siemens :(7VK611)
Schneider: KAVS100
