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Operations sequence

General instructions

cpg

Fully SF6 gas insulated single and double busbar GIS switchgears up to 36 kV in accordance

with IEC Standards

IG-137-EN version 03; 24/06/2016

7.3.2 Earthing

Initial conditions

: feeder disconnector open

and earthing switch open.

Figure 7.18

Initial situation for

cpg.1-s1

cubicle

1. Connect the earthing switch by turning the lever

clockwise.

Figure 7.19

Lever turn detail

To open the earthing switch, proceed in reverse

order.

7.4

cpg.1-s2

cubicle

Figure 7.20

Initial situation for

cpg.1-s2

cubicle

Содержание Ormazabal cpg.1 Series

Страница 1: ...cpg 1 Fully SF6 gas insulated single and double busbar GIS switchgears up to 36 kV in accordance with IEC Standards General Instructions IG 137 EN version 03 23 06 2016 LIB ...

Страница 2: ...carefully observed as the correct and safe operation of this equipment depends not only on its design but also on general circumstances which are in general beyond the control and responsibility of the manufacturer More specifically The equipment must be handled and transported appropriately from the factory to the place of installation All intermediate storage should occur in conditions which do ...

Страница 3: ...e plate 14 2 Technical characteristics 15 2 1 Electrical characteristics 15 2 2 Mechanical characteristics 16 2 2 1 Dimensions and weights 16 2 2 2 Protection grade 17 3 Service conditions 18 4 Handling and transport 19 4 1 Transport conditions 19 4 2 Lifting means 19 5 Storage conditions 21 6 Installation 22 6 1 Unpacking the equipment 22 6 2 List of supplied materials 22 6 3 Minimum installation...

Страница 4: ... 40 7 3 cpg 1 s1 cubicle 42 7 3 1 Connection 42 7 3 2 Earthing 43 7 4 cpg 1 s2 cubicle 43 7 4 1 Connection 44 7 4 2 Earthing 44 7 5 cpg 1 c cubicle 45 7 5 1 Busbar coupling 46 7 5 2 Busbar earthing on the right 47 7 5 3 Busbar earthing on the left 48 7 6 cpg 1 cl cubicle 49 7 6 1 Busbar coupling 49 7 6 2 Busbar earthing on the right 50 7 6 3 Busbar earthing on the left 52 7 7 cpg 1 ct cubicle 53 7...

Страница 5: ...37 EN version 03 23 06 2016 8 Safety elements 63 8 1 Maintenance 63 8 2 Voltage presence detectors 63 8 2 1 Locking with a padlock 64 8 2 1 Locking with lock 64 8 3 Interlocks 64 9 Spares and accessories 65 9 1 Preventive maintenance for the cpg 1 cubicle 65 10 Environmental information 66 10 1 Sulphur Hexafluoride SF6 66 10 2 Recyclability 66 ...

Страница 6: ...g 1 v2 Disconnector cubicle cpg 1 s1 cpg 1 s2 Transversal busbar coupling cubicle cpg 1 ct Longitudinal busbar coupling cubicle cpg 1 c cpg 1 cl Fuse protection cubicle cpg 1 f1 cpg 1 f2 1 2 Standards applied Standard Description IEC 62271 1 Common specifications for high voltage switchgear standards IEC 62271 200 Metal enclosed alternating current switchgear for rated voltages above 1 kV and belo...

Страница 7: ... breaker and the earthing switch These are sealed compartments made of stainless steel and sealed for life They are designed and tested to withstand an internal arc of up to 31 5 kA 1 s Depending on the function for which the cubicle was designed it may contain the following components Feeder disconnectors Earthing switch Internal busbar and connections Vacuum circuit breaker Switch disconnector F...

Страница 8: ...hus avoiding the need for metering cubicles Cable compartment Figure 1 3 Phase segregation in the cable compartment optional Located in the bottom part of the cubicle this has a cover interlocked with the earthing circuit which allows front access to the medium voltage cables In the most complete case the base can house the following components Phase segregation consisting of the main box and the ...

Страница 9: ...wards the top of the cubicle Disconnector compartment and circuit breaker compartment top busbar compartment and cable compartment Control compartment Placed at the top of the cubicle and separate from the medium voltage area this is ready for installation of the metering equipment and protection relays It contains the whole terminal block with the control signals already identified Figure 1 5 Con...

Страница 10: ...tus indicators groove for access of the spring loading lever etc Figure 1 6 General manual operation panel detail 1 3 1 Levers for manual operation Figure 1 7 Lever for manual loading of the circuit breaker springs in cpg 1 v cubicle Figure 1 8 Manual operation lever of the feeder disconnectors Figure 1 9 Manual driving lever of the earthing switch Figure 1 10 Manual operation lever of the cpg 1 f...

Страница 11: ...isconnector operation and indication area b Voltage presence absence indicator c Driving shaft access handle d Circuit breaker operation and indication area e Earthing switch operation and indication area f Cable compartment cover interlocking cpg 1 s1 Figure 1 13 Manual operation general panel and mimic diagram for cpg 1 s1 cpg 1 s2 Figure 1 14 Manual operation general panel and mimic diagram for...

Страница 12: ...nel and mimic diagram for cpg 1 c cpg 1 cl Figure 1 16 Manual operation general panel and mimic diagram for cpg 1 cl a Disconnector operation and indication area b Driving shaft access handle c Circuit breaker operation and indication area d Earthing switch operation and indication area a Disconnector operation and indication area b Driving shaft access handle c Circuit breaker operation and indic...

Страница 13: ...c diagram for cpg 1 f2 a Disconnector operation and indication area b Voltage presence absence indicator c Driving shaft access handle d Switch disconnector operation and indication area e Earthing switch operation and indication area f Cable compartment cover interlocking g Blown fuse indicator h Switch manual opening handle Configuration with motorised circuit breaker disconnector driving mechan...

Страница 14: ...o the equipment Ur Equipment rated voltage Up Lightning impulse withstand voltage Ud Power frequency withstand voltage fr Equipment rated frequency Ir Equipment rated current Ik Ip Short time withstand current Short time withstand peak value tk Short circuit time lsc Rated short circuit breaking capacity Pre Gas pressure inside the compartment MPa Pme Minimum operation pressure MPa SF6 Weight g of...

Страница 15: ...kV 50 70 60 80 Isolating distance kV Reclosing sequence O 0 3 s CO 15 s CO NO O 0 3 s CO 15 s CO NO Rated short time current main circuit kA 25 31 5 Rated short time current earth circuit kA 25 31 5 1 3 Rated peak current main circuit kA 62 5 80 Rated peak current earth circuit kA 62 5 80 2 5 7 5 Rated short circuit time s 1 3 Short circuit breaking rated current kA 25 31 5 25 31 5 Breaking rated ...

Страница 16: ...For control compartment 480 mm high and 561 mm deep For other control compartment measurements check with Ormazabal Cubicles with IAC classification AFLR have an additional 30 kg weight 1 See plan of anchoring points in section 6 5 cpg 1 s disconnector cubicle Figure 2 2 Dimensions of cpg 1 s cubicle Level With single busbar cpg 1 s1 With double busbar cpg 1 s2 a 600 600 h 2500 2500 f 1900 1900 An...

Страница 17: ...h IAC classification AFLR have an additional 30 kg weight 3 See plan of anchoring points in section 6 5 cpg 1 f fuse protection cubicle Figure 2 4 Dimensions of cpg 1 f cubicle Level With single busbar cpg 1 f1 With double busbar cpg 1 f2 a 600 600 h 2500 2500 f 1900 1900 Anchors 4 b 550 550 c 500 500 d 590 590 Weight kg Total 1000 1300 For control compartment 480 mm high and 561 mm deep For other...

Страница 18: ... measured over a 1 month period 90 Maximum height above sea level 1000 m Solar radiation Negligible Ambient air pollution dust smoke corrosive and or flammable gases vapours or salt Insignificant Vibrations caused by causes external to the switchgear or by seismic movements Negligible The specifications refer to the section Normal service conditions for indoor cubicles in the IEC 62271 1 standard ...

Страница 19: ...ctly on the ground or on a pallet depending on the type of handling involved The cpg 1 cubicles are fitted with four eyebolt type suspension points which can be used for handling the cubicles with a crane to do this four slings or cloth straps are used capable of carrying at least 2500 kg Check that the cubicle is perfectly balanced at all times Once the cubicle has been sited as close as possible...

Страница 20: ...ble busbar GIS switchgears up to 36 kV in accordance with IEC Standards IG 137 EN version 03 23 06 2016 To put the cubicles in their final position elevating caster wheels can be used please check with Ormazabal Figure 4 3 Wheel anchors in the cubicle Figure 4 4 Detail of the positioned wheel ...

Страница 21: ...ed from direct solar radiation 4 Maximum altitude is 1000 m 5 The environmental air must not have any significant contamination from dust smoke corrosive and or inflammable gases vapours or salt 6 The switchgear must be protected from the rain and the humidity conditions should be as follows a The mean relative humidity value measured over a period of 24 hours must not exceed 95 b The mean water s...

Страница 22: ...n the base and the pallet 5 Dispose of any waste in an environmentally friendly manner It is advisable to make a visual inspection of the equipment to check whether it has suffered any damage in transit If damaged contact Ormazabal immediately 6 2 List of supplied materials Along with the switchgear cpg 1 a box is supplied with all the material necessary for installation and correct operation Depe...

Страница 23: ...ve washer 60 per cubicle M8x20 black Allen screw 30 per cubicle M10x30 screw 2 per cubicle M10 Flat washer double 4 per cubicle M10 Grower washer 2 per cubicle M10 nut 2 per cubicle Plugs diameter 10 4 per cubicle M8 lag screws 4 per cubicle Cages 30 per final cubicle Recessed head M8x20 screw with voltage transformer in busbars Lag screw M6x30 4 lever support M8 wall plug 4 lever support Alcohol ...

Страница 24: ...s générales Installation 24 cpg 1 Fully SF6 gas insulated single and double busbar GIS switchgears up to 36 kV in accordance with IEC Standards IG 137 EN version 03 23 06 2016 Description Figure Bottom segregation ...

Страница 25: ...instructions 25 cpg 1 Fully SF6 gas insulated single and double busbar GIS switchgears up to 36 kV in accordance with IEC Standards IG 137 EN version 03 23 06 2016 Description Figure Bottom segregation Left busbar enclosure ...

Страница 26: ...nstallation 26 cpg 1 Fully SF6 gas insulated single and double busbar GIS switchgears up to 36 kV in accordance with IEC Standards IG 137 EN version 03 23 06 2016 Description Figure Left busbar enclosure Right busbar enclosure ...

Страница 27: ...ructions 27 cpg 1 Fully SF6 gas insulated single and double busbar GIS switchgears up to 36 kV in accordance with IEC Standards IG 137 EN version 03 23 06 2016 Description Figure Right busbar enclosure Central busbar enclosure ...

Страница 28: ... Installation 28 cpg 1 Fully SF6 gas insulated single and double busbar GIS switchgears up to 36 kV in accordance with IEC Standards IG 137 EN version 03 23 06 2016 Description Figure High enclosure with voltage transformer ...

Страница 29: ... General instructions 29 cpg 1 Fully SF6 gas insulated single and double busbar GIS switchgears up to 36 kV in accordance with IEC Standards IG 137 EN version 03 23 06 2016 Description Figure High busbar enclosure ...

Страница 30: ...ion 1000 Cubicle removal 2000 Rear wall d 100 For other types of building work please check with Ormazabal 6 4 Cable trench Minimum recommended dimensions based on the trench dimensions used in the tests in accordance with IEC 62271 200 The dimensions of the trench may vary in accordance with the minimum radius of curvature of the cables used Figure 6 2 Dimensions of trench for cubicles Trench Dep...

Страница 31: ...tandards IG 137 EN version 03 23 06 2016 Figure 6 3 Cable trench with tracks detail Figure 6 4 Cable trench detail 6 5 Fastening to the floor Secure the cubicles to the floor at the relevant fixing points inside the bottom supports using the M8x50 hexagonal screws provided with the material Figure 6 5 Fixing points inside the cable compartment ...

Страница 32: ...bicle joints Join the cubicles through the fixing points use the M8x20 hexagonal screws and M8 nuts provided with the different material Figure 6 6 Hexagonal screw and nut detai Figure 6 7 Detail of the positioned screw Figure 6 8 Detail of the nut 6 6 1 cpg 1 v The fixing points for circuit breaker cubicles are defined in Figure 6 9 Figure 6 9 Fastening points for the circuit breaker cubicle ...

Страница 33: ... 137 EN version 03 23 06 2016 6 6 2 cpg 1 s The fixing points for disconnector cubicles are defined in Figure 6 10 Figure 6 10 Fastening points for the disconnector cubicle 6 6 3 cpg 1 ct cpg 1 cl The fixing points for busbar coupling cubicles are defined in Figure 6 11 Figure 6 11 Fastening points for transverse and longitudinal busbar coupling cubicles ...

Страница 34: ...ts for protection with fuse cubicles are defined in Figure 6 12 Figure 6 12 Fastening points for the protection with fuse cubicle 6 7 Equipment earthing The cubicles earthing joint consists of three zones top bottom and top with bottom link 6 7 1 Top section The top area has copper plates when the busbar enclosure has protection for internal arc or voltage transformers in busbars Figure 6 13 Horiz...

Страница 35: ...ion The bottom part is always connected to a copper bar Figure 6 15 Bottom earthing bar detail a Earth bars between cubicles b 24 kV 630 A cubicle joint to the other cubicles earth plates c 24 kV 630 A cubicles joint with busbar coupling cubicle earth braid Figure 6 16 Earth plates for bottom section 6 7 3 Top and bottom earth side link The link from the top to bottom sections is on the left by de...

Страница 36: ... followed when performing any type of operation is the same for both automated operation and manual operation Pushbuttons are used for automated operation whereas manual operation is performed by means of the corresponding driving levers For safety reasons maintenance operations performed directly on the driving mechanism must be performed WITHOUT any driving lever inserted 7 1 cpg 1 v1 cubicle Fi...

Страница 37: ... 7 1 1 Commissioning from open position Initial conditions Circuit breaker open feeder disconnector open and earthing switch open 1 Connect the feeder disconnector by turning the lever clockwise Figure 7 2 Lever turn detail 2 Then close the circuit breaker by acting on the I top pushbutton Figure 7 3 I pushbutton detail To remove from service proceed in reverse order using the 0 pushbutton ...

Страница 38: ...lever clockwise Figure 7 4 Lever turn detail 1 If all the switchgear elements are motorised the earthing switch and circuit breaker closing operations are performed consecutively as programmed from the automated operation panel 2 The circuit breaker closes instantaneously on removal of the driving lever Figure 7 5 Circuit breaker closed indicator detail To open the medium voltage cable earthing ea...

Страница 39: ...ubicle 7 2 1 Commissioning from open position Initial conditions circuit breaker open main feeder disconnector closed secondary feeder disconnector open and earthing switch open 1 Connect the required feeder disconnector by turning the lever clockwise Figure 7 7 Lever turn detail 2 Then close the circuit breaker by acting on the I top pushbutton Figure 7 8 I top pushbutton detail To remove from se...

Страница 40: ...all the switchgear elements are motorised the earthing switch and circuit breaker closing operations are performed consecutively as programmed from the automated operation panel 2 The circuit breaker closes instantaneously on removal of the driving lever Figure 7 10 Circuit breaker closed detail To open the medium voltage cable earthing earth connection reverse the sequence of operation Act on the...

Страница 41: ...der disconnector of the corresponding circuit breaker position Figure 7 13 Feeder disconnector closed detail 3 Close the other feeder disconnector Figure 7 14 Feeder disconnector open detail 4 Finally open the busbar coupling in reverse order to that shown in section 7 4 1 Figure 7 15 Busbar coupling cubicle with both busbars disconnected The feeder input circuit breaker cubicles are interlocked w...

Страница 42: ...s IG 137 EN version 03 24 06 2016 7 3 cpg 1 s1 cubicle Figure 7 16 Initial situation for cpg 1 s1 cubicle 7 3 1 Connection Initial conditions feeder disconnector open and earthing switch open 1 Connect the feeder disconnector by turning the lever clockwise Figure 7 17 Lever turn detail To put the equipment out of commission reverse the sequence of operation ...

Страница 43: ...version 03 24 06 2016 7 3 2 Earthing Initial conditions feeder disconnector open and earthing switch open Figure 7 18 Initial situation for cpg 1 s1 cubicle 1 Connect the earthing switch by turning the lever clockwise Figure 7 19 Lever turn detail To open the earthing switch proceed in reverse order 7 4 cpg 1 s2 cubicle Figure 7 20 Initial situation for cpg 1 s2 cubicle ...

Страница 44: ...the lever clockwise Figure 7 21 Lever turn detail 2 Then connect the left feeder disconnector by turning the lever clockwise Figure 7 22 Lever turn detail To put the equipment out of commission reverse the sequence of operation 7 4 2 Earthing Initial conditions feeder disconnectors open and earthing switches open Figure 7 23 Initial situation for cpg 1 s2 cubicle 1 Connect the right earthing switc...

Страница 45: ...hgears up to 36 kV in accordance with IEC Standards IG 137 EN version 03 24 06 2016 2 Then connect the left earthing switch by turning the lever clockwise Figure 7 25 Lever turn detail To open the earthing switches proceed in reverse order 7 5 cpg 1 c cubicle Figure 7 26 Initial situation for cpg 1 c cubicle ...

Страница 46: ...ing switches open and circuit breaker open 1 Connect the right feeder disconnector by turning the lever clockwise Figure 7 27 Lever turn detail 2 Then connect the left feeder disconnector by turning the lever clockwise Figure 7 28 Lever turn detail 3 Finally close the circuit breaker by acting on the top pushbutton Figure 7 29 Top pushbutton detail To uncouple the busbars reverse the sequence of o...

Страница 47: ... open 1 First connect the right feeder disconnector by turning the lever clockwise Figure 7 30 Lever turn detail 2 Next close the left hand earthing switch Figure 7 31 Lever turn detail 3 The circuit breaker closes instantaneously on removal of the driving lever once the operation is complete Figure 7 32 Circuit breaker closed detail To open the earthing connection proceed in reverse order Act on ...

Страница 48: ...onnect the left feeder disconnector by turning the lever clockwise Figure 7 33 Lever turn detail 2 Then connect the right earthing switch by turning the lever clockwise Figure 7 34 Lever turn detail 3 The circuit breaker closes instantaneously on removal of the driving lever once the operation is complete Figure 7 35 Circuit breaker closed detail To open the earthing connection proceed in reverse ...

Страница 49: ...bicle Figure 7 36 Initial situation for cpg 1 cl cubicle 7 6 1 Busbar coupling Initial conditions feeder disconnectors open earthing switches open and circuit breakers open 1 Connect the central feeder disconnectors by turning the lever clockwise in each case Figure 7 37 Lever turn detail 2 Then connect the side feeder disconnectors by turning the lever clockwise in each case Figure 7 38 Lever tur...

Страница 50: ... breakers by acting on the top pushbutton Figure 7 39 Top pushbutton detail 7 6 2 Busbar earthing on the right Initial conditions feeder disconnectors open earthing switches open and circuit breakers open 1 First connect the central left feeder disconnector by turning the lever clockwise Figure 7 40 Lever turn detail 2 Then connect the right feeder disconnector by turning the lever clockwise Figur...

Страница 51: ...es instantaneously on removal of the driving lever Figure 7 43 Circuit breaker closed detail 5 Finally connect the central right earthing switch by turning the lever clockwise Figure 7 44 Lever turn detail 6 The right hand circuit breaker closes instantaneously on removal of the driving lever Figure 7 45 Circuit breaker closed detail To open the earthing connection reverse the sequence of operatio...

Страница 52: ...ect the central right feeder disconnector by turning the lever clockwise Figure 7 46 Lever turn detail 2 Then connect the left feeder disconnector by turning the lever clockwise Figure 7 47 Lever turn detail 3 Connect the central left earthing switch by turning the lever clockwise Figure 7 48 Lever turn detail 4 The left hand circuit breaker closes instantaneously on removal of the driving lever F...

Страница 53: ...lever clockwise Figure 7 50 Lever turn detail 6 The right hand circuit breaker closes instantaneously on removal of the driving lever Figure 7 51 Circuit breaker closed detail To open the earthing connection reverse the sequence of operation To open the circuit breakers act on the corresponding bottom pushbutton The circuit breaker opening operation is always performed manually 7 7 cpg 1 ct cubicl...

Страница 54: ...thing switches open and circuit breaker open 1 Connect the right feeder disconnector by turning the lever clockwise Figure 7 53 Lever turn detail 2 Then connect the left feeder disconnector by turning the lever clockwise Figure 7 54 Lever turn detail 3 Finally close the circuit breaker by acting on the top pushbutton Figure 7 55 Top pushbutton detail To release the busbars reverse the sequence of ...

Страница 55: ...turning the lever clockwise Figure 7 56 Lever turn detail 2 Then connect the right earthing switch by turning the lever clockwise Figure 7 57 Lever turn detail 3 The circuit breaker closes instantaneously on removal of the driving lever Figure 7 58 Circuit breaker closed detail To open the earthing connection earth connection reverse the sequence of operation first open the circuit breaker by acti...

Страница 56: ...e right hand feeder disconnector Figure 7 59 Lever turn detail 2 Next close the left hand earthing switch Figure 7 60 Lever turn detail 3 The circuit breaker closes instantaneously on removal of the driving lever Figure 7 61 Circuit breaker closed detail To open the earthing connection reverse the sequence of operation first disconnect the circuit breaker by acting on the bottom pushbutton then th...

Страница 57: ...tuation for cpg 1 f1 cubicle 7 8 1 Commissioning the cubicle Initial conditions switch disconnector open and earthing switch open 1 Connect the circuit breaker disconnector by turning the lever clockwise Figure 7 63 Lever turn detail 2 Check the change of status of the circuit breaker disconnector position indicator Figure 7 64 Switch disconnector closed detail To put the equipment out of commissi...

Страница 58: ... version 03 24 06 2016 7 8 2 Earthing Initial conditions switch disconnector closed and earthing switch open 1 Disconnect the main switch disconnector 2 Connect the earthing switch by turning the lever clockwise Figure 7 65 Lever turn detail To open the earthing connection proceed in reverse order 7 9 cpg 1 f2 cubicle Figure 7 66 Initial situation for cpg 1 f2 cubicle ...

Страница 59: ...n 1 Connect the required feeder disconnector by turning the lever clockwise Figure 7 67 Lever turn detail 2 Then connect the circuit breaker disconnector by turning the lever clockwise Figure 7 68 Lever turn detail To put the equipment out of commission reverse the sequence of operation 7 9 2 Earthing Initial conditions right feeder disconnectors closed circuit breaker disconnector closed earthing...

Страница 60: ...f Since this is a switch fuse combination cubicle any of the three fuses blowing causes the switch disconnector to open automatically When a fuse blows this is indicated unequivocally by the red indicator which appears on the front of the operation panel Figure 7 72 Blown fuse indication 1 To access the fuses close the earthing switch and once you have removed the medium voltage cables and fuse ac...

Страница 61: ...e with the striker faces forward isolator end Figure 7 75 Replacing the medium voltage fuse 4 Insert the fuse holder carriage Before inserting the fuse holder carriage it is important to ensure that both the carriage and the inside of the fuse holder are properly clean Figure 7 76 Inserting the fuse carriage in cpg 1 f 5 Before closing the cover press downwards to reset the striker Figure 7 77 Res...

Страница 62: ...former power kVA 100 125 160 200 250 315 400 500 630 800 1000 1250 10 24 16 25 25 40 40 40 63 63 100 100 125 160 13 8 24 10 16 16 25 25 40 40 63 63 100 100 125 15 24 10 16 16 25 25 40 40 40 63 63 100 100 20 24 10 16 16 25 25 25 40 40 63 63 63 100 25 36 10 10 16 25 25 25 40 40 40 40 40 63 30 36 10 10 16 16 25 25 40 40 40 40 40 63 General operating conditions Overload 20 and Temperature 40 ºC Shaded...

Страница 63: ...rom galvanised sheet steel have been painted to ensure their resistance to corrosion Any scratches dents or similar on them must be repaired to prevent corrosion 8 2 Voltage presence detectors The voltage presence absence indicator installed in cpg 1 cubicles is designed and built in accordance with the recommendations laid down in standards IEC 61243 5 VDE 0682 Part 415 and IEC 62271 206 within t...

Страница 64: ...d if the circuit breaker is in open position The circuit breaker can only be operated if all the disconnector driving levers have previously been removed Also all electrical operations are overridden if any of the levers has been inserted in the actuation shaft The circuit breaker can only be connected in the end positions connected of the disconnector or earthing switch There is also an effective...

Страница 65: ...the stated auxiliary components need to be changed the corresponding spare parts kit must be ordered and the instructions given in the corresponding documentation must be followed 9 1 Preventive maintenance for the cpg 1 cubicle The driving mechanisms and other elements outside the gas tank may require preventive maintenance the frequency of this maintenance depends on the existing environmental c...

Страница 66: ...ndling of SF6 must be carried out by qualified personnel using a sealed piercing system For the usage and handling of the SF6 the indications listed in IEC 62271 303 must be followed 10 2 Recyclability The management and treatment of the rest of materials must be carried out in accordance with the country s current legislation The materials that make up the cubicle bases and front gas tank switch ...

Страница 67: ......

Страница 68: ...Subject to change without prior notice For further information contact Ormazabal Ormazabal Distribución Primaria AMOREBIETA ETXANO Spain www ormazabal com ...

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