ABB REF610 Technical Reference Manual

Also see for RELION REF610: Technical reference manual Operator's manual Technical reference manual Product guide

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ABB REF610 Technical Reference Manual Manual pdf 69 page image

69Setting Switch Function Default setting4 * 1 = recorded data and information on thenumber of pickups of the protectionelements are retained15 * 1 = the real-time clock is running alsoduring loss of auxiliary voltagea)1Σ 31a) The prerequisite is that the battery has been inserted and is charged.When all switches are set to zero, the battery supervision is disabled.5.1.4.11. Technical data on protection functionsTable 5.1.4.11.-1 Elements 51P, 50P-1 and 50P-2Feature Element 51P Element 50P-1 Element 50P-2Set pickup value, 51P,50P-1 and 50P-2* at definite-timecharacteristic0.30...5.00 x In (CT) 0.50...35.0 x I n(CT) 0.50...35.0 x I n(CT)* at IDMT characteristic 0.30...2.50 x I n(CT) a)Pickup time, typical 55 ms 30 ms 30 msTime/current characteristic* definite-timeoperate time, 51P TDLY,50P-1 TDLY and 50P-2TDLY0.05...300 s 0.04...300 s 0.04...300 s* IDMT (mode) accordingto IEC 60255-3Extremely inverseVery inverseNormal inverseLong-time inversetime dial, 51P TD IEC 0.05...1.00* Special type of IDMT(mode) characteristicRI-type inverseRD-type inverse(RXIDG)time dial, 51P TD IEC 0.05...1.00* IDMT (mode) accordingto IEEE C37.112Extremely inverseVery inverseInversetime dial, 51P TD ANSI 1...15Resetting time, maximum 50 ms b) 50 ms 50 msRetardation time, typical 30 ms 30 ms 30 msSet resetting time, 51PRSET0.05...2.50 sDrop-off/pick-up ratio,typical0.96 0.96 0.96Operate time accuracyFeeder Protection RelayTechnical Reference Manual - ANSI VersionREF610REF6101MRS755535