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Hi, I am Businessman I found this sample from https://www.indotrade.co and think it might be useful to you. ------------------------------------------------------- DISTANCE RELAY SIEMENS 7 SA 5221-4AB92-4QN4/ EE FULL SCHEMA DISTACE PROTECTION • Time-overcurrent protection ( definite-time/ inverse-time/ user-def.) • Directional time-overcurrent protection ( definite-time/ inverse-time/ user-def.) • Sensitive dir./ non-dir. earth-fault detection • Displacement voltage • Intermittent earth-fault protection • High-impedance restricted earth fault • Inrush restraint • Motor protection – Undercurrent monitoring – Starting time supervision – Restart inhibit – Locked rotor • Overload protection • Temperature monitoring • Under-/ overvoltage protection • Under-/ overfrequency protection • Breaker failure protection • Negative-sequence protection • Phase-sequence monitoring • Auto-reclosure • Fault locator • Lockout Control functions/ programmable logic • Commands f. ctrl of CB and of isolators • Control via keyboard, binary inputs, DIGSI 4 or SCADA system • User-defined logic with CFC ( e.g. interlocking) Monitoring functions • Operational measured values V, I, f • Energy metering valuesWp, Wq • Circuit-breaker wear monitoring • Slave pointer • Trip circuit supervision • Fuse failure monitor • 8 oscillographic fault records Communication interfaces • System interface – IEC 60870-5-103/ IEC 61850 – PROFIBUS-FMS/ -DP – DNP 3.0/ MODBUS RTU • Service interface for DIGSI 4 ( modem) • Front interface for DIGSI 4 • Time synchronization via IRIG B/ DCF77 Hardware • 4 current transformers • 3 voltage transformers • 8/ 11 binary inputs • 8/ 6 output relays For detailed information, please go to http://www.indotrade.co/pteanco/2677416
0.0059 194.163.150.105