winding Differential protection relay Description Requested Offered Manufacturer of manufacturer Relay type Rated voltage, AC Ph-Ph, (Volts) 100 1 and 5 dual rated current HV side (A) with separte terminal 1 and 5 dual Rated current MV side (A) with separte terminal 1 and 5 dual rated Rated current LV side (A) with separte terminal Rated frequency, (Hz) 50 of auxiliary DC supply (Volts) 125 + 20% Number of output relays or contacts > 10 Number of LEDs for indications > 4 user programable System interface: - a) Connection RS 485 b) Protocol IEC 60870-5-103 c) Communication speed > 9600 kb/s Front serial interface communication: - a) Baud rate b) Connection RS 232 RS 485 Service / modem interface connection (RS 232, RS 485 or fiber optic) Time synchronization signal IRIG-B Time tagging resolution (msec) + 1 Nominal operating time (msec) < 35 Differential protection settings: - a) Pick-up values range of differential current b) High current stage range
winding Differential protection relay Description Requested Offered Manufacturer of manufacturer Relay type Rated voltage, AC Ph-Ph, (Volts) 100 current HV side (A) 1 and 5 dual rated with separte terminal Rated current MV side (A) 1 and 5 dual with separte terminal Rated current LV side (A) 1 and 5 dual rated with separte terminal Rated frequency, (Hz) 50 of auxiliary DC supply (Volts) 125 + 20% Number of output relays or contacts > 10 Number of LEDs for indications > 4 user programable System interface: - a) Connection RS 485 b) Protocol IEC 60870-5-103 c) Communication speed > 9600 kb/s Front serial interface communication: - a) Baud rate b) Connection RS 232 Service / modem interface connection (RS 232, RS 485 or fiber optic) RS 485 Time synchronization signal IRIG-B Time tagging resolution (msec) + 1 Nominal operating time (msec) < 35 Differential protection settings: - a) Pick-up values range of differential current b) High current stage range
16%20Protection%20Relays.docx