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Table 2 Operation time of CON and MOD relay with the presence of SSSC and considering the set-delay times of zones

From: Active power based distance protection scheme in the presence of series compensators

  Fault distance from R B 155 km 295 km 400 km  
Method CON MOD CON MOD CON MOD
A–G Fault V Ref  = 0.1 p.u Not Oper 0 + 0.415 Not Oper 0.5 + 0.433 Not Oper 1.0 + 0.437 Operation time (Sec) of relay
V Ref  = 0.3 p.u Not Oper 0 + 0.414 Not Oper 0.5 + 0.422 Not Oper 1.0 + 0.420
V Ref  = - 0.1 p.u Not Oper 0 + 0.415 Not Oper 0.5 + 0.416 Not Oper 1.0 + 0.443
V Ref  = - 0.3 p.u 1 + 0.128 0 + 0.416 Not Oper 0.5 + 0.416 Not Oper 1.0 + 0.504
A–B Fault V Ref  = 0.1 p.u 0.5 + 0.114 0 + 0.412 1.0 + 0.115 0.5 + 0.414 1.0 + 0.112 1.0 + 0.403
V Ref  = 0.3 p.u 0.5 + 0.120 0 + 0.426 1.0 + 0.114 0.5 + 0.422 Not Oper 1.0 + 0.418
V Ref  = - 0.1 p.u 0.5 + 0.116 0 + 0.418 1.0 + 0.116 0.5 + 0.404 1.0 + 0.112 1.0 + 0.513
V Ref  = - 0.3 p.u 0.5 + 0.121 0 + 0.418 1.0 + 0.114 0.5 + 0.406 Not Oper 1.0 + 0.407