IEC 61850 orfunction nameANSI Function description TransformerRET670 (Customized)ZSMGAPC Mho impedance supervision logic 0-1FMPSPDIS 21 Faulty phase identification with load enchroachment 0-2ZMRPDIS,ZMRAPDIS21 Distance measuring zone, quad characteristic separate Ph-Phand Ph-E settings0-5FRPSPDIS 21 Phase selection, quadrilateral characteristic with settable angle 0-2ZMFPDIS 21 High speed distance protection, quad and mho characteristic 0-2ZMFCPDIS 21 High speed distance protection for series comp. lines, quad andmho characteristic0-2PPLPHIZ Phase preference logic 0-1PPL2PHIZ Phase preference logic 0-1ZMRPSB 68 Power swing detection 0-1PSLPSCH Power swing logic 0-1PSPPPAM 78 Poleslip/out-of-step protection 0-1OOSPPAM 78 Out-of-step protection 0-1ZCVPSOF Automatic switch onto fault logic, voltage and current based 0-1ZGVPDIS 21 Underimpedance protection for generators and transformers 0–22.3 Back-up protection functions GUID-A8D0852F-807F-4442-8730-E44808E194F0 v13IEC 61850 orfunction nameANSI Function descriptionRET670 (Customized)Current protectionPHPIOC 50 Instantaneous phase overcurrent protection 0-8OC4PTOC 51_671) Directional phase overcurrent protection, four steps 0-8EFPIOC 50N Instantaneous residual overcurrent protection 0-8EF4PTOC 51N67N2)Directional residual overcurrent protection, four steps 0-8NS4PTOC 46I2 Four step directional negative phase sequence overcurrentprotection0-8SDEPSDE 67N Sensitive directional residual overcurrent and power protection 0-3LCPTTR 26 Thermal overload protection, one time constant, Celsius 0-2Table continues on next pageSection 2 1MRK 504 163-UUS AApplication46 Transformer protection RET670 2.2 ANSIApplication manual
