Local Station Remote Station Alam In Flags In Remarks Signal Indication At Signal Indication At Control Panel Relay At Initiated NSD (OLS) Received NSD (OLS) / Himu Panel Relay FPFM-1 FPFM-1 Permissive Permissive Send Received FPFM-2 FPFM-2 Permissive Permissive Send Received Inter Trip-1 Inter Trip-1 Send (INST.) Received Inter Trip-2 Inter Trip-2 Send(INST.) Received FPFM-1 FPFM-1 Block Send Received FPFM-2 FPFM-2 Block Send Received DISTANCE PROTECTION COMMUNICATION SCHEME AND INTER-TRIP CHECK Simulation From Local Substation Local Substation Remote Substation Con Indication Trip / CP Indication NSD / FLAG Panel Simula-Ted NSD Item Relay FLAG ANN / A/R On Relay ANN A/R Fault In Rp on RP HIMU Panel OLS PLCC OLS PLCC FPFM-1 Z1 1 optd FPFM-1 Z2 2 optd FPFM-1 Z3 3 optd FPFM-1 Z1 4 SOTF optd FPFM-2 inst 5 optd FPFM-2 time 6 delay FPSM-1 Z1 7 optd FPSM-1 Z2 8 optd
Local Station Remote Station Remarks Signal Initiated Indication At NSD (OLS) Signal Received Indication At NSD (OLS) Alam In Control Panel / Himu Flags In Relay Panel At Relay FPFM-1 Permissive Send FPFM-1 Permissive Received FPFM-2 Permissive Send FPFM-2 Permissive Received Inter Trip-1 Send (INST.) Inter Trip-1 Received Inter Trip-2 Send(INST.) Inter Trip-2 Received FPFM-1 Send FPFM-1 Block Received FPFM-2 Block Send FPFM-2 Received DISTANCE PROTECTION COMMUNICATION SCHEME AND INTER-TRIP CHECK Simulation From Local Substation Local Substation Remote Substation Item Simula-Ted Fault Trip Relay In Rp / FLAG on RP CP ANN / HIMU A/R Indication NSD Indication NSD / FLAG On Relay Panel Con Panel ANN A/R OLS PLCC OLS PLCC 1 FPFM-1 Z1 optd 2 FPFM-1 Z2 optd 3 FPFM-1 Z3 optd 4 FPFM-1 Z1 SOTF optd 5 FPFM-2 inst optd 6 FPFM-2 time delay 7 FPSM-1 Z1 optd 8 FPSM-1 Z2 optd
end_to_end_-_distance.docx