Ormazabal cgmcosmos-l General Instructions Manual
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Ormazabal cgmcosmos-l General Instructions Manual

Medium voltage cubicles with full insulation in sf6 gas up to 24 kv
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cgmcosmos
Medium voltage cubicles with full insulation
in SF
gas up to 24 kV for Belgium
6
Synergrid AA10
General instructions
IG-296-EN, version 01, 12/03/2020
LIB

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  • Page 1 cgmcosmos Medium voltage cubicles with full insulation in SF gas up to 24 kV for Belgium Synergrid AA10 General instructions IG-296-EN, version 01, 12/03/2020...
  • Page 2 Therefore, the use of this equipment poses electrical, mechanical and thermal risks. In order to ensure an acceptable level of protection for people and property, and in compliance with applicable environmental recommendations, Ormazabal designs and manufactures its products according to the principle of integrated safety, based on the following criteria: •...

  • Page 3: Table Of Contents

    General instructions Contents cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Contents 1. General description ...........4 5.3. Fuse protection function with AR driving mechanism ..... .42 1.1.

  • Page 4: General Description

    Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard General description Ormazabal's cgmcosmos system, designed in accordance models, with full insulation in SF gas, thus allowing with the requirements set out in regulations of the...

  • Page 5: Main Components

    General instructions General description cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 1.3. Main components Gas tank Side connection female bushings Driving mechanism area Actuating shafts (see mimic diagram of each model) LRM-VDS system according to NBN EN 61243-5 Base Cable compartment access cover...

  • Page 6: Gas Tank

    30 years, without replenishing the gas according to Standard IEC 62272-1. Figure 1.2. Gas tank for cgmcosmos-l 1.3.2. Driving mechanism compartment This is the compartment in which the switch-disconnector diagram includes all the position indicators for the driving or the circuit-breaker is actuated, depending on the type of elements.

  • Page 7: Base

    2. Cable ties for the power cables. gases to the top section. Please check with Ormazabal. 3. Earthing bars. As an option: 1. Two symmetric terminals or symmetric terminal plus symmetric surge arrester.

  • Page 8: Name Plate

    Weight of insulating fluid (g) Equivalent CO fluid mass (t) Year Year of manufacture Minimum working temperature Internal arc classification * In the event of incident, this number should be reported to Ormazabal. Table 2.4. Name plate IG-296-EN version 01; 12/03/2020...
  • Page 9 General instructions General description cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard In addition, another plate into the operation area of each mechanism is also included with some of the following data: Figure 1.5.

  • Page 10: Electrical Specifications

    Electrical specifications The values set out in this table are general for the cgmcosmos system and are only valid when confirmed by Ormazabal. Some cubicle models can withstand partial values. For more detailed information, contact Ormazabal. IG-296-EN version 01; 12/03/2020...

  • Page 11: Dimensions And Weights

    In the case of symmetric terminal plus symmetric surge arrester, the depth of the switchgear increases by 200 mm and the weight by 5 kg, per feeder function. For exterior cable test device, please check with Ormazabal. Table 1.1. Dimensions and weights...

  • Page 12: Operating Conditions

    IEC 62271-1 standard "Common specifications for high-voltage cubicles". For special service conditions: ambient temperature above + 40°C, installation between 2000 and 4000 m above sea level, significant pollution level, or others different to those described, check with Ormazabal. IG-296-EN version 01; 12/03/2020...

  • Page 13: Handling And Transport

    General instructions Handling and transport cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Handling and transport Important: During transport, the switchgear must be perfectly seated and fixed so that it cannot move about and possibly damage the equipment.
  • Page 14 Handling and transport General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 2. Lifting using slings or chains fixed to the lifting supports on the sides of the top of the cubicle. The angle of pull should be as vertical as possible (with an angle greater than 60°...
  • Page 15 General instructions Handling and transport cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4. To handle 5 functional unit assemblies (consisting of either coupled modules or compact assemblies associated with modules), use lifting systems (slings, lifting beam, etc.) with a pull angle greater than 65°...

  • Page 16: Storage

    Storage General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Storage If it needs to be stored, the equipment must be placed on After prolonged storage, clean all the insulating parts dry ground or on top of damp-proof insulating material, still carefully before commissioning the equipment.

  • Page 17: Installation

    If 7. Remove the self-adhesive protective plastic from the this is not the case, contact Ormazabal immediately. cable compartment cover. The disassembly process for the equipment is as follows: The self-adhesive plastic must be removed from the 1.
  • Page 18 24 kV in accordance with IEC Standard Depending on the cubicle model, the accessory box contains some of the following items: 1. Ormazabal's IG-296 General Instructions document 2. Actuating lever 3. Spring charge lever 4. Cubicle connecting kit: a.

  • Page 19: Minimum Installation Distances

    IEC 62271-200. These dimensions may vary, in accordance with the radius of curvature of the cables. For any doubts, please ask Ormazabal. In each case, bear in mind which cable is to be used in the particular installation. IG-296-EN version 01; 12/03/2020...

  • Page 20: Cubicles With Classification Of Internal Arc

    Dimensions in mm. Front and rear cable input or output (D1/D2). Side cable input or output (D3/D4). Figure 4.4. Dimensions [mm] of the cable trench for cgmcosmos-l Trench necessary for the feeder ["L" or "T" Terminal 400/630 A] Cable data Minimum depth...
  • Page 21 ≤ 50 Single-core Height 1740 mm Dry insulation ≤ 95 Three-core * Check against the data of the manufacturer of the cable used. (c.) Please check with Ormazabal. Table 4.3. Trench necessary for the fuse protection function IG-296-EN version 01; 12/03/2020...
  • Page 22 Installation General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Circuit-breaker function with RAV driving mechanism Dimensions in mm. Front and rear cable input or output with straight terminal (D2). Side cable input or output (D4).

  • Page 23: Fastening To The Floor

    General instructions Installation cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4.5. Fastening to the floor Before assembling the cubicles, the floor must be carefully levelled to prevent any deformation which may make it difficult to connect the cubicles to one another.
  • Page 24 -v (RAV) 631.5 -2lp 631.5 Table 4.5. Anchoring dimensions Figure 4.10. Anchoring diagram cgmcosmos-l double cable 1300 mm high Figure 4.9. Anchoring diagram cgmcosmos-l, -p 1300 mm high Figure 4.11. Anchoring diagram cgmcosmos-l, -p 1740 mm high IG-296-EN version 01; 12/03/2020...
  • Page 25 Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Figure 4.12. Anchoring diagram cgmcosmos-l double cable Figure 4.14. Anchoring diagram cgmcosmos-2lp 1300 mm high 1740 mm high Figure 4.13. Anchoring diagram cgmcosmos-v with RAV driving Figure 4.15.
  • Page 26 Installation General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4. For 1740 mm cubicles, use the following four anchoring points: Figure 4.16. Location of anchor points in cgmcosmos cubicles 1740 mm high 5.

  • Page 27: Connecting The Cubicles

    In order to anchor this type of cubicles properly, use the six points indicated in the figure below. For further information, please ask Ormazabal. Figure 4.19. Fastening of the cubicle with a side "L" piece Figure 4.20. Anchor points for earthquake resistant equipment 4.6.

  • Page 28: Earthing The Switchgear

    Installation General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4.7. Earthing the switchgear 1. Bolt the earth strip between every 2 medium voltage When connecting the general earth collector, follow the figure below.

  • Page 29: Cable Connections

    General instructions Installation cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4.8. Cable connections The medium voltage incoming and outgoing feeders are Never touch live connectors, not even screened linked to the transformer or, occasionally, other cubicles connectors.
  • Page 30 Installation General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Continuation 12 kV 24 kV Rated current Manufacturer Connector Connector Section Connector Section type type 450SR 70 – 300 K450SR 35 –...

  • Page 31: Horizontal Front Connection

    General instructions Installation cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4.8.1. Horizontal front connection 1. Close the earthing switch. 2. Remove the cover to access the cable compartment. Figure 4.22.
  • Page 32 Installation General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4. Connect the terminal earth braids, if applicable, and the cable screens to the earth collector. Figure 4.24. Earth connector 5.

  • Page 33: Vertical Front Connection

    General instructions Installation cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4.9. Vertical front connection Bottom output connection: Straight terminal 1. Close the earthing switch. 2. Remove the cover to access the cable compartment and insert the terminal fixing pins in the bushing.
  • Page 34 Installation General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4. Connect the terminal earth braids, if applicable, and the cable screens. Figure 4.28. Earth connector 5. Put the cable compartment cover back in place. IG-296-EN version 01;...

  • Page 35: Recommended Sequence Of Operations

    General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Recommended sequence of operations Before carrying out any operation when voltage is present, first check the SF gas pressure using the manometer.

  • Page 36: Feeder Function

    • BLACK for switch-disconnector • BLACK for earthing switch Locking with a padlock Figure 5.2. Mimic diagram of cgmcosmos-l cubicle 5.2.2. Actuating levers The actuating levers to be used to operate the switch- disconnector-earthing switch of the feeder function with B or BM driving mechanisms is: Figure 5.3.

  • Page 37: Opening Operation From

    General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.2.3. Opening operation from the earthing position 1. Move the yellow slider to the right (this releases the access so the earthing switch can be opened).

  • Page 38: Switch Closing Operation From

    Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.2.4. Switch closing operation from isolating position 1. Move the grey slider to the left (this releases the lever access so the switch-disconnector can be closed).

  • Page 39: Opening Operation From Closed Position

    General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.2.5. Opening operation from closed position 1. Move the black slider in the red area to the left, as before (this releases the lever access so the switch- disconnector can be disconnected).

  • Page 40: Earthing Operation From Isolating Position

    Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.2.6. Earthing operation from isolating position 1. Move the yellow slider to its right position (this releases the lever access so the earthing switch can be closed).

  • Page 41: Cable Test

    4. Carry out the cable test. been put back. 5. To return to earthing position, follow the steps in The cable test can only be carried out in cgmcosmos-l section “5.2.3. Opening operation from the earthing feeder functions which include B/BM driving position”.

  • Page 42: Ar Driving Mechanism

    Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.3. Fuse protection function with AR driving mechanism 5.3.1. Mimic diagram The AR driving mechanism has a stored energy operating system.

  • Page 43: Actuating Levers

    General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.3.2. Actuating levers Earthing switch Switch-disconnector actuating lever actuating lever Figure 5.13. Type-1 lever detail (anti-reflex) Figure 5.14.

  • Page 44: Spring Charge Operation And Closing Of The Switch From Isolating Position

    Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.3.4. Spring charge operation and closing of the switch from isolating position Start with the switch (5) and the earthing switch (6) in open positions.

  • Page 45: Earthing Operation From Isolating Position

    General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.3.6. Earthing operation from isolating position Start with the switch (3) and the earthing switch (4) in open positions.

  • Page 46: Fuse Replacement Sequence

    Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.4. Fuse replacement sequence To access the fuse holders, first remove the cable compartment cover. It is essential to close the earthing switch.
  • Page 47 General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4. Open the bottom cover to access the cable compartment. Figure 5.21. Cable compartment cover opening 5.
  • Page 48 Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 7. Pull smoothly keeping it level. Until the fuse holder carriage is removed. Figure 5.24. Removing the fuse holder carriage 8.
  • Page 49 General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 10. Lower the handle of the fuse holder by pushing it until the safety trigger engages. Figure 5.27.

  • Page 50: Selecting Recommended Fuses

    1. Fuses recommended: SIBA brand with medium type 7. For overload conditions in the transformer or use of striker, conforming to IEC 60282-1 (Low loss fuses). other brands of fuse, please consult Ormazabal. 2. The values for combined fuses, in accordance with IEC 62271-105 are greyed.

  • Page 51: Rav Driving Mechanism

    General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.5. Circuit-breaker function with RAV driving mechanism 5.5.1. Mimic diagram Interlocking the disconnector/switch-disconnector Pressure gauge window Open button Circuit-breaker operation area Close button...

  • Page 52: Spring Charge And Actuating Levers

    Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.5.2. Spring charge and actuating levers Switch-disconnector actuating lever Spring charge levers The actuating levers to be used to operate the switch- The spring charge lever is used to manually charge the disconnector with B or BM driving mechanisms is: springs of the circuit-breaker mechanism.
  • Page 53 General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 2. Insert the lever in the earth actuating shaft and turn anti-clockwise. 3. Remove the lever. Figure 5.33.

  • Page 54: Closing Operation From Isolating Position

    Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.5.4. Closing operation from isolating position Initial conditions: Switch-disconnector open, earthing switch open, springs charged and circuit- breaker closed.
  • Page 55 General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 3. Insert the lever in the switch-disconnector actuating shaft and turn clockwise. Figure 5.37. Lever turn detail 4.
  • Page 56 Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 6. Close the circuit-breaker by pressing the close button and check the status indicator. Figure 5.38. Handle and close button detail 7.

  • Page 57: Opening Operation From Closed Position

    General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.5.5. Opening operation from closed position Initial conditions: Circuit-breaker closed and switch- disconnector closed. 1. Open the circuit-breaker by pressing the opening button and check the status indicator.
  • Page 58 Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4. Insert the lever in the switch-disconnector actuating shaft and turn anti-clockwise. Figure 5.42. Lever turn detail 5.

  • Page 59: Earthing Operation From Isolating Position

    General instructions Recommended sequence of operations cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.5.6. Earthing operation from isolating position Initial conditions: Circuit-breaker open, switch- disconnector open and springs charged. 1.
  • Page 60 Recommended sequence of operations General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4. Insert the lever in the actuating shaft of the earthing switch and turn clockwise. Figure 5.46.

  • Page 61: Safety Elements

    General instructions Safety elements cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Safety elements 6.1. Interlocks 2. The cubicles have a safety lock which prevents access The switchgear is provided with safety locks, which ensure the following conditions: to the medium voltage cable compartment while the earthing switch is not closed.

  • Page 62: Locking With A Lock

    Safety elements General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 6.1.2. Locking with a lock Cubicles of the cgmcosmos system with B/BM driving Sequence to remove the interlock lock mechanisms are designed to optionally incorporate lock assemblies in the earthing switch and switch-disconnector 1.
  • Page 63 Figure 6.50. Released lever access detail 3. Carry out the required operation as shown in section “5. Recommended sequence of operations” of this Ormazabal IG-296 instructions manual. IG-296-EN version 01; 12/03/2020...

  • Page 64: Maintenance

    (IEC 62271-1), must carry out the regular preventive maintenance tasks required. Check The operating mechanism for the cgmcosmos system with Ormazabal for the environmental conditions of switching equipment does not require lubrication for the installation. correct operation throughout its estimated lifetime, according to the service conditions specified in IEC 62271-1.

  • Page 65: Spares And Accessories

    Certain spares and accessories must be installed in the cubicle by specialised personnel. Please check with Ormazabal. Equipment -v (RAV) Switch-disconnector/Disconnector Circuit-breaker...
  • Page 66 Spares and accessories General instructions cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Continuation Protection, metering and control -v (AV/RAV) ekor.rpg/ekor.rpa ekor.rpt ekor.rci ekor.rtk Enclosure -v (AV/RAV) Metering transformers and medium voltage jumper access cover Gas relief compartment Driving mechanism compartment cover Cable compartment access cover...

  • Page 67: Environmental Information

    General instructions Environmental information cgmcosmos: Medium voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Environmental information cgmcosmos cubicles are defined as a pressure-sealed being released into the atmosphere. Extracting and hermetic system, according to IEC 62271-1, which contains handling of SF must be carried out by qualified personnel, sulphur hexafluoride (SF...
  • Page 68 Ormazabal Subject to change y Cía. without prior notice. For further information, IGORRE contact Ormazabal. Spain www.ormazabal.com...

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