ABB RED615 Technical Manual

Also see for RED615 ANSI: Product guide Applications manual Applications manual Point List Manual Operation manual

Contents

ABB RED615 Technical Manual Manual pdf 722 page image

Example 1.The sequence is implemented by two shots which have the same reclosing time forall protection functions, namely I>>, I> and Io>. The initiation of the shots is doneby activating the operating signals of the protection functions.A070887 V1 ENFigure 390: Autoreclose sequence with two shotstHSAR Time delay of high-speed autoreclosing, here:First reclose timetDAR Time delay of delayed autoreclosing, here:Second reclose timetProtection Operating time for the protection stage to clear the faulttCB_O Operating time for opening the circuit breakertCB_C Operating time for closing the circuit breakerIn this case, the sequence needs two CBBs. The reclosing times for shot 1 and shot2 are different, but each protection function initiates the same sequence. The CBBsequence is as follows:Shot 1(CBB1)0.3sShot 2(CBB2)15.0sINIT_1 (I>>)INIT_2 (I>)INIT_3 (Io>)LockoutLockoutLockoutA071270 V2 ENFigure 391: Two shots with three initiation linesSection 9 1YHT530004D05 DControl functions716 615 seriesTechnical Manual