ABB Vzduchové jističe EMAX E1-E6 Montážní návody a manuály (03)

| Kategorie: Návody k obsluze Montážní návody  | Tento dokument chci!

Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 505 z 660

Vámi hledaný text obsahuje tato stránku dokumentu který není autorem určen k veřejnému šíření.







Poznámky redaktora
2.3. The VTs should only used for voltages 690V; for lower voltages the presence the PR120/V module connected the lower or higher busbars will sufficient. A pplication diagram pplication diagram B N L3 f — A1 bi B1i «1 A2 B21 b2 ^a2 A3 53^ b3 [ a3 it::::::::: in i::::::: H H 1>+ 1 14.c A Note for diagram:- for TN-C systems the connection must made PEN; - for TN-S systems the connection must made for configurations with neutral for configurations without neutral; the used, the current thereon could around dozen mA.2).This ill enable satisfy all the international reference standards and guarantee perfect operation of the relay even under severe environm ental and electrom agnetic conditions.2 connections A ielectric strength tests are not allowed the inputs and outputs the releases the secondary lines any c VTs.1 Current sensor connection for external neutral A If you rre xte tra irc it-b r, rem InN. Then test can conducted the whole chain, again using the specific function (Trip test). positive result shown the display.3.1. and/or disconnected essages ust appear; they do, not close the circuit-breaker ediately and make the correct connections. VT Standard: Single standard transformers, see par.To run Trip Test, press the Test" button and the "Enter" button simultaneously. 14. 11. Auto Test Trip Test (disabled) CBopen Model 2234 Apparatus Scale L2778 Doc.c A TT with neutral A TT without neutral n. positive result shown the circuit-breaker opening. rin irc it-b ope and ly is . - for and systems with neutral, the connection must made N. 14.3.14. 2 Page No.4 Test Before putting into service, test can conducted means the specific "Auto test" function which can activated the PR123/P. 14. Pay particular attention the types cable, the connections earth and the recom ended axim distances. A A The axim length the PR120/V iring ust not exceed meters. The following summary table standard connections according the type plant. 94/158 1/6 CB status .7. With enabled, the Voltage Transformer Inpresent data will set and VT's phase-to-phase primary and secondary voltage properly adjusted.2). The shield ust connected earth both sides. Use corded shielded o-w ire cable (see note par. Check the open closed state the circuit-breaker the same "PR123/P Test" screen, checking that the closed and de-energized.3.3 Putting into service 14.3.3. Use VTs ith shield, connected earth (see standard par. 15. The VTs must have performance coming between the values and 20VA inclusive, insulation between the primary and Installation system "VT Standard" type transform er (Star/Star) "VT Standard" type transform er (Delta/Delta) Application diagram Application diagram TN-C A TN-S A IT with neutral A IT n.3 and connection test A If the PR123/P was installed the user, portant, before closing the CB, check the last line the display when the relay turned for the first tim via PR030/B battery unit. customer considers this value too high has residual current protection which risks being tripped, then application diagram must used.1. 14. No.1 ction s A For the connections provided the user, recom ended that you com ply strictly ith the recom endations contained in this docum ent