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AEG SF6 Operating Instructions Manual

Type s1-145 f1/4031/sr with spring operating mechanism crr 5

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instructions~lo.
Opl!!rating
127 B
Type 51-145
Fl/4(131/5R
eRR
with spring operating
mechanism
5

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Summary of Contents for AEG SF6

  • Page 1 instructions~lo. Opl!!rating 127 B Type 51-145 Fl/4(131/5R with spring operating mechanism...
  • Page 2 It is impossibh! to consider every eventuality which might occur during operation mechanical device. Therefore, kindly contact al AEG agency in r~se you have any queries which yo~) have not been i'cluded in this manual. reserves right alter these instructions necessitated by ongoing development of the breaker.
  • Page 3 Par-t Survey of the Inspection-, Maintenance- and Reconditioning Works Inspection Maintenance Reconditioning Notes for the W:irks to be performed Safety Precaut i:>ns Cbeck of the AnI i-Condensation Heating Functional Chec~-of the Electrical Control Circuits Measurement of the Operating Times Check of the SF~ Gas Quality Measurement of the Resistance of the Main Circuit Check of the Bolt Connections...
  • Page 4 Control System SF6 Gas Supply Revision Set Overpressure Safet~' Devi ce Spare Parts and Accessories Handling of SF6 Gas Permissible Number of Short-Circuit Operations List of Figures and Tables...
  • Page 5 Maintenance and reconditioning should preferably be carried out by- AEG specialists. Service personnel (an be thoroughly trained on the job in .courses offered by AEG.
  • Page 6 Check for corrosiol on metallic parts ant pipings Check the ventilation apertures at the base frame and at the cubicle Check of the anti-:ondensation heating •.. the SF6 density monitor the green range...
  • Page 7 To be carried ly trained staff or AEG specialists. Take the drCldt-breaker out of serv~ce. an nr ':,ning of the pole c~::.!m:1s not necessary. fixed inside the operating mechanism cubic'le Check of the securing elements of the linkage Functional check of the...
  • Page 8 Mind the relevant :;afety regulations. When opening a po' e column, pump the SF6 gas in a service unit and evacuate the cl)lumns. Then ventilate the pole columns. When opening a pole cl)lumn. proceed as follows:...
  • Page 9 The closing time is the time from energizing the closing release to contact touch. Check of the SF6 Quality Check the gas qual il:ywi th respect to the water content, SF6 content and acidity. Use tre devices mentioned in chapter 6.3, pos. 9, 11 and 18.
  • Page 10 Check for corre:t tightening torque on all accessible bolt connections. .A2-70 A2-80 Y'f.'ngth grade .'---'_.---- --------.,.-··:------1-----------------: --------------.~-~- ··:tlb ftlb ftlb 13.7 10 .1 24.8 :.8.3 24.8 18.3 24.4 : -""49 :.55 !i25 for bolts Table Tighteninq torques and nuts This chapter descril:es replacement...
  • Page 11 Always use new elastomer gaskets when assembling. The adsorpt ion fi Her must be rep 1aced whenever a pole column has been opened. 2.0 kg Torque wrench 30 - 150Nm 1 278 793 Wrench for fixed arcing 0.5 kg 1 915 617 contact Revision 26.0 kg...
  • Page 12 Store the SF6 gas in a service unit and evacuate the columns. Then ventilate the pole columns. Disconnect the SF6 piping at poles A, Band C at the crank cases. Disconnect the lin.age between pole columns and spring operating mechanism.
  • Page 13 Undo the four fCl;tening bolts of the crank case. Lift the pole columns, transport to the workshop and mount them on an assembling trestle in upright position. b) Change of the ard ng contacts (1.1) - . Loosen the expan~ion bolts at the fixed contact...
  • Page 14 10 Nm. Couple the linkage Connect the SF6 piping at poles A, Band Evacuate the breaker, top up with SF6 to the rated pressure put ..:it into operat Lon. (The procedure is described in part A, chapter 4.)
  • Page 15 I. I. 07 1.1.08 1. 10 " 1. 1.05 1. 1. 03 " 1.5.02 1. 1.04 " ~:/C) 1.5.03 1. 1.02 " " 1.5.04 ::/B) " 1. 1.09 " 1.5.06 1.1.10 1.5.04 1.5.05 1.8.29 1.8.28 1.8.02 1.8.26 1.8.30 1.3.07 1.8.27 1.8.39 1.8.02 1.8.28...
  • Page 16 Item A: Disassemblinq of the fixed contact (Ll) (see chapter 6.2) (1.2) Item B: Disassemblinp of the chamber porcelain - 8 bolts Ml;~ / 8 washers - Interruptel' unit 1..5 - Lower support contact 1.5.03 - Guide strip PTFE 1.5.04 - Guide strip PTFE 1.3.07...
  • Page 17 Torque wrench 150 - 650 Nm 3.0 kg Wrench for thE~ threaded insert 4.0 kg b) Accessories (see chapter 3.8) c) Spare parts (reqLired in addition to 3.8.2) Suppcrt porcelain gasket 1.8.15 O-rirg 1.8.33 1.8.35 O-rirg 1.8.36 O-rirg This 1 :s:t. de•. ·. not take into the replacement of separate a~c.uunt parts (e.g.
  • Page 18 (1.8.05). Remove the filter housing (1.8.19) Dismount shaH by pulling cover shaft (1.8.16) (1.8.25) and the "nsert with outer part of the (1.E.13). needle bearing Pullout the shaft with the inner ring of the needle.bea~ing~ (1.8.07), Withdraw camp"ete assembly "insulating (1.8.09) (1.8.10)"...
  • Page 19 1.8.26 1.8.08 Locking pin - Connection 1.8.27 1.8.09 1.8.30 Spring seat - Connection 1.8.31 Lever, interna 1 1.8·.19 - SF6 coupling 1.8.11 Crank case - O-ring 13.95x2,62 B 1.8.32 1.8.12 Ball bearing 1.8.33 - Pin 1.8.13 1.8.34 Needle bearing - Connection 1.8.15...
  • Page 20 ;'\tnormal ambient cOfli1itions the spring op_erating mechanic:m dnes not .require any greasing. At extreme ambient conditions the points indi- 'cated by the symbol on the exploded view B3 should be lubricated. Not.e: Ensure that the olening spring is'udischarged Before lubricatin~ disassemble the cabinet.
  • Page 21 Fig~ Exploded view of tle spring operating mechanism...
  • Page 22 Motol' 3.0.01 3.0.02 Manual charging crank 3.0.03 Actuilting Sprocket 3.0.04 Retul1'n spring 3.0.05' Linkilge 3.0.06 Flywilee 1 3.0.07 3.0.08 Chaill ShaL 3.0.09 Sprodet 3.0.10 Sprodet 3.0.11 Ant i ,·condensat i on heater, 3.0.12 3.0.13 Ro111~r carri er Coup ing sleeve 3.0.14 3.0.15 Sprot:ket...
  • Page 23 Chain, complete 3.0.46 3.0.47 Carn f(lllower KRV26 3.0.48 Chain 3.0.49 Sprod.et 3.0.50 Stud 3.0.51 Leve'~ 3.0.52 Sprod.et 3.0.53 Termhals (optional) Closirlg spring 3.0.54 3.0.55 Auxiliary switch 3.0.56 Break'E!r position indic;a1;or 3.0.01 3.0.12 3.0.19 3.0.22 3.0.28 3.0.36 3.0.45 3.0.55...
  • Page 24 Remove the two bolt5 which hold the angle support on the forward main mounting plat'E~. These bolts can be seen on the plate; corresponding nuts behind the plate ~re crimped in position. Take out the complEte assem6ly, i.e., angle support and opening release(s).
  • Page 25 ,,,",,, Unscrew the tht~e bolts of the support on the mounting plate. The three nuts at the rear of this plate are crimped on. Unscrew the fOl.I r bolts securi ng the motor to its support. Pullout the pir securing the p{ni~n on the motor shaft (pin dia. mm).
  • Page 26 Remove the nylon pin off the eyelet. Remove the two nut:; securi ng the switch to its support. After replacing ttli! switch, tighten the two nuts. Insert a new nylon pin through the eyelet. Unsc-rew the two mOI!nting bolts. After rep 1ac i ng th,! counter, tighten the bolts.
  • Page 27 Accessories - Side view Fig. 84: 3.0.12 Anti-condensation heater Position indicator closing spring 3.0.20 Shunt 'opening reol = ase (Option: Y3) 3.0.28 Shunt closing rel=ase (Option: Y5) 3.0.36 Breaker position indicator 3.0.56...
  • Page 28 3.0.45 Terminals (optiona') 3.0.53 Auxil iar,y switch 3.0.55 Contactor, SF6 locl:out 1 3.0.57 Contactor, SF6 alal'm 3.0.58 Contactor, SF6 locl:out 2 (opt ona 1) 3.0.59 Overload release (optional) 3.0.60 Motor protection contactor (optiona l) 3.0.61 Close/open push bu;:ton (optional) 3.0.62 Shaft for manual charging 3.0.63...
  • Page 29 Designation of Lubricants .Item .I)esjgnation Silicone grease 0.125 kg 1003 498 0.250 kg JBF - SF 1377 1001 624 0.500 kg 1001 073 1241 202 -'""0.125 Molykote grease 1003 497 BR2 plus 0.250 kg 1266 427 0.500 kg 1266 439 1266 440 Berulub grease 0.100 kg...
  • Page 30 b) Silicone grease SF 1377 for greasing a-rings. Clean the grooves" surfaces and a-rings with alcohol. Apply thin layer with the fingers. Do not use a brush or fuzzy clothes. ,.G) Silicone greaseS:" 1377 greasing hearing i'!.:'lrl s ]jcf.in~r'" surfaces. Apply a thin layer to the surfaces.
  • Page 31 SF 1377" " " SF 1377~ " SF 1377--" SF 1377\ " SF 1377 "" "" " SF 1377~ SF 1377~'- SF 1377/"...
  • Page 32 ~rUlUb~ "'~,m, SF 1377 SF 1377 SF 1377 SF 137' SF 1377 SF 1377...
  • Page 33 BeruLub FK 33 Fig. Points of lubrication at the interrupter unit and at thE~ arcing contacts...
  • Page 34 .._._._. __L SF 1377 SF 1377 SF 1377 SF 1377 SF 1377 SF 1377 SF 1377...
  • Page 35 Ltl~ ._-- 1& 'l1oLykote BR2 pLus...
  • Page 36 If the SF6 density monitor is defective, replace it Switch on the supply voltage In the event of an "~,F6 alarm" check the gas pressure and refill. Check the dens ity mon tor and, if necessary, replace it.
  • Page 37 .. On-reconditioning u:;ethe rt:v'is'ion (-2.7, figure 811) to move the contacts end-p(sition ON or end-position OFF manually. adjustment of the fixed contact can be performed easily. Fix the revision set on the assembling trestle. For this purpose, at the bottom of the frame (2.7.0!) are four holes with diameter 22 mm and a modular dimension...
  • Page 38 2.7.17 2.7.18 2.7.16 2.7.02 2.7.18 2.7.03 2.7.01 2.7.06 .- 2.7.11 .- 2.7.07 ~2.7.22...
  • Page 39 rev"ision set 2.7.01 fralIe support 2.7.02 2.7.03 threaded connection piece 2.7.04 2.7.05 lever 2.7.06 coupling 2.7.07 2.7.08 sleeve bolt M6 2.7.09 2.7.10 washer bearing 2.7.11 2.7.12 2.7.13 sphl:~ri ca 1 washer 2.7.14 conii ca 1 seat 2.7.15 needle bearing 2.7.16 bo It M16 2.7.
  • Page 40 The break chamber is equipped with an overpressure safety device. The fixed contact (1.1) is connected t~ the flange of the porcelain by expansion retaining bolts. ease uveqJressure expans i on bolts wi 11, be elongated re 1ease pressure atmosphere. The porce"1 ai ns wi 11 not be damaged.
  • Page 41 Assembling At reassembling nel'l expansion bolts mandatory. An assembly instruction is with the expansion bolts. Install new exp:msion bolts into flange chamber porcelain until ':he dimension A is reached. If necessary, in:itall new retaining bolts. Place the fixed contact in the chamber porcelain and fasten with retaining...
  • Page 42 The necessary accessories for renewing the arcing contacts and for disassembling a comp"lete pole column are listed in the chapter 3.8 resp. 3.9, item c). Other parts, which aY'l~ n ormally not required as spare parts, can be ordered by their part numbers given in the instruction manual. For spare parts of tte spring oper~ting m~chanism please refer to chapter...
  • Page 43 SF6 gas cy}hder (40 kg) -110 kg 1275 703 SF6 gas cylir1'ier (10 kg) 27 kg 1264 374 Pressure redll,:ing valve for SF6 3 kg 1264 386 Gas refilling device DILO type 3-(1)1 30 kg 1000 867 Gas refilling device...
  • Page 44 Sulphur hexafluoride (SF6) is a colourless and odourless gas. Pure SF6 is non- poisonous, therefore. no risk classification has to be followed. As reference for the degree of toxicity ,t.he German MAK-values (maximum ambient concentration value for an ei9ht-hour stay)
  • Page 46 Permhsible number of short-d rcuit operations The replacement of the arcing CI)fItacL::, is nt::l.t::s~dl'y',~when a cumulative curren1: (r.m.~,. value) is reached. Fig .. 813 shows the permissible number of operations under normal service conditions versus breaking current. ---,-'. -<-- " - -------- ---- ---- ---- ••...
  • Page 47 Disassembling of the pole colums Fig. Crank case Fig. BZ Exploded view of the spring operating mechanism Fig. B3 Fig. Accessories - Side view Accessory equipment - Front view Fi g. B5 Fig. B6 Points of lubrication at the pole column Points of lubricat"ion at the crank case Fi g.