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Directional or Non-Directional
Earth-Fault Relay

Product Guide

REJ 527

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Summary of Contents for REJ 527

Page 1: ...Directional or Non Directional Earth Fault Relay Product Guide REJ 527...

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Page 3: ...system com munication Continuous self supervision of electronics and software At an internal relay fault IRF all protection stages and outputs are blocked User selectable rated frequency 50 60 Hz Use...

Page 4: ...the earth fault current I0 the zero sequence volt age U0 and the phase angle between the voltage and the current The sinus or cosinus value of the phase angle is calculated and multiplied by the earth...

Page 5: ...itivity and operate time The signalling and trip relays can also be selected separately for all three stages When the zero sequence voltage exceeds the set start value of low set stage U0 the volt age...

Page 6: ...emote communication protocol in the unbal anced transmission mode with a data transfer rate of 9 6 kbps The IEC 60870 5 103 proto col is used to transfer mesurand and status data from the slave to the...

Page 7: ...8 265 V dc Rated voltage Ur 24 48 60 110 220 V dc Current drain 2 25 mA Power consumption 0 8 W Table 4 Power outputs PO1 and PO2 Rated voltage 250 V ac dc Continuous carry 5 A Make and carry for 3 0...

Page 8: ...ure range 10 55 C Storage temperature tests 40 70 C according to the IEC 60068 2 48 Dry heat test According to the IEC 60068 2 2 Dry cold test According to the IEC 60068 2 1 Damp heat test cyclic Acco...

Page 9: ...nsient disturbance tests According to the IEC 60255 22 4 and IEC 61000 4 4 Other terminals 4 kV Binary input 2 kV Surge immunity test According to the IEC 61000 4 5 Power supply 4 kV line to earth 2 k...

Page 10: ...SO1 X2 1 X2 1 X2 1 SO2 X2 1 X2 1 X2 1 X2 1 X1 1 1MKC950001 1 RER 103 Tx Rx Io Uob P1 P2 S2 S1 A N da dn ConD527 4 SGB1 REJ527B 418BAA 2 5 A 3 1 A REJ527B 411BAA 2 1 A 3 0 2 A Blocking of stage Io Bloc...

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Page 12: ...ABB Oy Distribution Automation P O Box 699 FI 65101 Vaasa FINLAND Tel 358 10 22 11 Fax 358 10 224 1094 www abb com substationautomation...

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