Ormazabal velatia cms.21 General Instructions Manual Download | Manualshive

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LIB

cms

.21

Switching and breaking substation

General instructions

IG-247-EN

, version 02, 08/12/2020

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Summary of Contents for velatia cms.21

Page 1: ...LIB cms 21 Switching and breaking substation General instructions IG 247 EN version 02 08 12 2020 ...

Page 2: ...lectrical installations Personnel must be fully familiar with the instructions and warnings contained in this manual and in other recommendations of a more general nature which are applicable to the situation according to current legislation 1 The above must be carefully observed as the correct and safe operation of this equipment depends not only on its design but also on general circumstances wh...

Page 3: ... for road haulage 12 2 3 Sea transport 13 2 3 1 Sea freight packaging 13 3 Storage 14 4 Normal service conditions 15 5 Installation 16 5 1 Location 16 5 2 Planning 16 5 3 Handling 17 5 4 Preparing the location 18 5 4 1 Levelling process 18 5 5 Cable access and sealing 19 5 5 1 Opening cable transits 19 5 5 2 Medium voltage cable connection 20 5 6 Earthing circuit connection 21 5 6 1 Protective ear...

Page 4: ...ent Its reduced weight and dimensions enable easy handling and transport Asanoption cms 21canbesuppliedtriedandtestedtointernal arc withclassificationIAC AB16kA0 5sorwithclassification IAC AB20kA1s inaccordancewithStandardIEC62271 202 1 1 Components of cms 21 cms 21 s equipped with switchgear under gas insulated metal enclosure for alternating current with rated voltages of up to 40 5 kV by Ormaza...

Page 5: ...safe indication of the disconnection operation and earthing of the voltage transformer and its high voltage protection thus allowing safe replacement on site Ormazabal recommends following the procedure for replacing voltage transformers in accordance with local regulations legislation and specifications of the Electricity Company For other types of automation or medium voltage schematics please c...

Page 6: ...stall an exterior antenna under insulating enclosure A blanked hole allows the transit of the antenna cable to the inside of the enclosure Figure 1 4 Pre marking for exterior antenna mount The document holder is located on the inside of the right door with these General Instructions for cms 21 IG 247 and the General Instructions of the medium voltage switchgear installed Figure 1 5 Document holder...

Page 7: ...arryingoutanyoperation involving the medium voltage system The platform is opened out manually by one person and has dimensions 1 9 m wide by 1 m deep 1 Release the two bolts which secure the platform one on each side of the enclosure Figure 1 6 Releasing the two fastening bolts 2 Fold down the platform until it is set horizontally on the ground Figure 1 7 Folding down the platform 3 Once work on ...

Page 8: ...includes a name plate on the inside of the enclosure The plate indicates at least the following data Figure 1 8 Example of the cms 21 name plate 1 1 5 Lighting The cms 21 includes as an option a magnetically fastened light point located at the top of the cells as long as there is a cubicle or auxiliary services switchboard ...

Page 9: ...llector disconnection Doors plates metal panels mm2 mm2 50 bare copper conductor 50 bare copper conductor Protection grades IP Medium voltage switchgear enclosure with closed doors Internal equipment of the enclosure doors open IK Medium voltage enclosure with closed doors IP 23D IP 2X IK 10 Internal arc classification rating IAC optional IAC AB 16 kA 0 5 s IAC AB 20 kA 1s Working life of medium v...

Page 10: ...hematics of the cgmcosmos system cgm 3 system Voltage 36 kV 40 5 kV Medium voltage configuration 3l 2lp 2lv 4l 3lp 3lv Weight switchgear kg 486 490 587 648 652 749 Total kg 4636 4640 4737 4798 4802 4899 Table 1 3 Weights of cms 21 with schematics of the cgm 3 system Add 80 kg with remote control and add 200 kg with auxiliary services power cubicle The weight of the elements which form the prefabri...

Page 11: ...ersion 02 08 12 2020 11 General instructions cms 21 Description and main characteristics 1 3 2 Dimensions Figure 1 9 Dimensions in mm of cms 21 A horizontal line in the exterior walls marks zero installation level ...

Page 12: ...ly 2000 x 150 x 20 mm underneath cms 21 is recommended during transport It is also recommended to strap the enclosure to the platform of the truck attaching the slings securely to the four DEHA anchors embedded in the concrete enclosure see Figure 2 1 Securing the load with slings duly protecting the corners of cms 21 with L shaped profiles is recommended Local regulations will be followed for oth...

Page 13: ...transport we recommend securing the cms 21 to the base of the container using straps attached firmly to the four DEHA anchorsembeddedinthebottomoftheconcreteenclosure 2 3 1 Sea freight packaging Ormazabal recommends using Cortec VpCI 126 Blue film corrosion inhibitor in vapour phase or similar to seal the cms 21 thus preventing corrosion during sea transport Placing the enclosure in dehydrated sal...

Page 14: ...s cms 21 3 Storage Placing two timber battens measuring 2000 x 150 x 20 mm underneath the cms 21 is recommended It is also recommended that the floor where the equipment is stored should be uniform stable and level Do not store in corrosive or saline environments ...

Page 15: ...d of 24 h should not exceed a mean of 22 millibars The maximum vapour pressure value measured over a period of 1 month should not exceed a mean of 18 millibars Degree of contamination The degree of contamination must not be in excess of level II in accordance with Table 1 of Standard IEC 60815 Altitude The altitude of the place of installation must not exceed 1000 m Vibration The effects of vibrat...

Page 16: ... not to block the openings of the cover of the cms 21 as this may result in condensation Do not block the openings in the front part of the doors The site should be visited in advance to check if vehicles can have access and if there is sufficient space for the unloading and assembly operations taking into account the distances to overhead lines slopes etc 5 1 Location The site location should be ...

Page 17: ...azabal recommends using a lifting beam of over 1420 mm and capacity for over 5 t along with L shape profiles where the slings come into contact with the cover 1 DEHA 6000 2 5 0170 anchoring Figure 5 2 cms 21 handling anchors Figure 5 3 Handling with DEHA anchors Figure 5 4 Lifting the cms 21 The attached table indicates the recommended power values for the cranes Remember that these are reference ...

Page 18: ... levels will adapt in each case to the solution implemented for the earthing network Do not exceed the horizontal line in the exterior walls which marks zero installation level see Figure 1 9 Maximum trench depth 576 mm 50 mm in the case of unstable ground and add the thickness of the reinforced concrete slab in order to determine the digging depth Figure 5 6 Dimensions in mm of the pit 5 4 1 Leve...

Page 19: ...00 mm from the front of the enclosure separated from each other by 450 mm laid out symmetrically in the longitudinal direction of the enclosure 1 6 Ø200 mm front blanked holes 2 4 Ø50 mm front blanked holes 3 2 Ø200 mm side blanked holes 4 6 Ø200 mm rear blanked holes 5 4 Ø50 mm rear blanked holes 6 4 Ø200 mm lower blanked holes Figure 5 7 Blanked holes available for medium voltage cable transits ...

Page 20: ...trespecttheminimum radii of curvature indicated by their manufacturer both during installation and once installed Figure 5 9 Introducing the cable conduit 5 5 2 Medium voltage cable connection The connection of the medium voltage cables to the switchgear must follow the General Instructions of the medium voltage switchgear supplied with the cms 21 in accordance with Standards EN 50180 and EN 50181...

Page 21: ...fixing of the concrete enclosure come together in this protective earthing switch box The steel fixing of the roof and when requested the metal flue also connect to the steel fixing of the enclosure Save for specific indication by the customer the metal doors and rear flap do not connect to the protective earthing network 1 Earth connection of the cover with the concrete enclosure bare copper 50 m...

Page 22: ...ns in force along with justification of sizing 3 Access of the exterior earthing network to the inside of the cms 21 should be carried out through one of the Ø 50 mm blanked holes and then through the gap envisaged in the floor The exterior earthing network should be connected to the protective disconnection box of the cms 21 mark 6 of Figure 5 10 1 Ø50 mm front blanked holes Figure 5 11 Transit f...

Page 23: ...tructions described below it is necessary to ensure beforehand that the tools shown in Figure 5 13 are available 1 17 Spanner 2 Flat head screwdriver 3 Two wooden battens minimum length 2300 mm 4 19 Spanner Figure 5 13 Basic tools 5 7 2 Replacement process Proceed as follows to replace the switchgear installed inside the cms 21 1 Remove the power from the medium voltage lines connected to the cms ...

Page 24: ... Release the bolts of the left hand door 4 The doors have an interlocking system at 90 and 180 To release pull upward on the rod and open the door Figure 5 16 Door interlocking mechanism 5 Disconnect the supply from the medium voltage switchgear moving the earthing switch to closed position Follow the General Instructions of the switchgear ...

Page 25: ...om part of the cms 21 body using a 17 wrench M10 screw Figure 5 17 Disconnect the cover s earthing branch 7 Unscrew the two points which fasten the cover to the body using a 17 wrench M10 bolt Figure 5 18 Cover fastening points 8 Remove the four plastic protective caps from the threaded inserts of the cover Figure 5 19 Remove the four protective plugs ...

Page 26: ...nnect the power cables and earth connectors 11 Disconnect the switchgear s earth connector on both the left and right sides Use the 19 wrench M12 bolt Figure 5 21 Disconnect the switchgear s earth connectors 12 Unscrew the attachment points of the switchgear to the rails on the floor of the cms 21 Use the 17 wrench M10 bolt Figure 5 22 Unscrew the switchgear fastening points 13 Extract the switchg...

Page 27: ...introduction of the switchgear Proceed as follows to introduce the switchgear into the cms 21 1 Open the cms 21 right hand door by operating the opening handle Figure 5 23 Right door opening 2 Release the bolts of the left hand door to open it Figure 5 24 Release the bolts of the left hand door ...

Page 28: ...oor Figure 5 25 Door interlocking mechanism 4 Disconnect the supply from the medium voltage switchgear moving the earthing switch to closed position Follow the General Instructions of the switchgear 5 Disconnect the interior earthing branch which joins the cover to the bottom part of the cms 21 body using a 17 wrench M10 screw Figure 5 26 Disconnect the cover s earthing branch ...

Page 29: ...re 5 27 Cover fastening points 7 Remove the four plastic protective caps from the threaded inserts of the cover Figure 5 28 Remove the four protective plugs 8 Position and screw in four M20 lifting eyebolts in accordance with DIN 580 in the threaded inserts of the cover Place the cover on timber battens Maximum weight of the cover 680 kg Figure 5 29 Remove the cover ...

Page 30: ...ear to the rails on the floor of the cms 21 Follow the general instructions of the medium voltage switchgear 13 Connect the earth connectors of the cables to the switchgear s earthing bar 14 Connect the switchgear s medium voltage power cables Follow the general instructions of the medium voltage switchgear 15 Re attach the removable cover 16 Connect the interior earthing branch which joins the co...

Page 31: ...must comply with the procedures indicated by the electricity company along with the electricity safety standards and local legislation on minimum health and safety requirements for workers at risk of electrical discharge It is essential to follow the recommended sequence of operations set out in the general instructions of the medium voltage switchgear See section 1 1 1 Medium voltage switchgear ...

Page 32: ...ntenance local electrical safety rules should be followed Maintenance actions generally include cleaningandinspectionoftheequipment Themaintenance procedures for the medium voltage switchgear should follow the General Instructions of the cgmcosmos and cgm 3 medium voltage systems which are supplied along with the medium voltage switchgear Regular inspections of the medium voltage switchgear are re...

Page 33: ...General instructions cms 21 Notes Notes IG 247 EN version 02 08 12 2020 33 ...

Page 34: ...Notes General instructions cms 21 Notes IG 247 EN version 02 08 12 2020 34 ...

Page 35: ......

Page 36: ...Subject to change without prior notice For further information contact Ormazabal Ormazabal y Cía IGORRE Spain www ormazabal com ...

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