Ormazabal velatia cgmcosmos General Instructions Manual
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Ormazabal velatia cgmcosmos General Instructions Manual

Medium-voltage cubicles with full insulation in sf6 gas up to 24 kv in accordance with iec standard
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cgmcosmos
Medium-voltage cubicles with full
insulation in SF
gas up to 24 kV in
6
accordance with IEC Standard
General Instructions
IG-078-EN, version 12, 23/04/2020
LIB

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Summary of Contents for Ormazabal velatia cgmcosmos

  • Page 1 cgmcosmos Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard General Instructions IG-078-EN, version 12, 23/04/2020...
  • 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 ..........5 5.4.4. Switch closing operation from isolating position ........54 1.1.
  • Page 4 Contents General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 7. Maintenance ............109 5.12. Circuit-breaker function with AV3 driving mechanism ....... . .94 7.1.

  • Page 5: 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 6: Standards Applied

    General description General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 1.2. Standards applied Standard Description IEC 62271-1 Common speci cations for high-voltage switchgear standards IEC 62271-100 High-voltage alternating current circuit breakers IEC 62271-102 Alternating current earthing switches and disconnectors IEC 62271-103...

  • Page 7: 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 Name plate Operating sequence plate Actuating shafts (see mimic diagram of each model) ekor.vpis/ekor.ivds* ekor.sas acoustic earthing prevention alarm unit* Base...

  • Page 8: Gas Tank

    General description General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 1.3.1. Gas tank Sealed compartment which houses the busbar and the switching and breaking elements, where the insulating medium is SF Each gas tank has a pressure-releasing device to allow gases to escape in the event of an internal arc.

  • Page 9: Base

    Gas relief compartment This is located in the bottom front section of the cubicle Ormazabal's cgmcosmos is designed and constructed to and has a cover interlocked with the earthing switch, thus withstand at least the thermal and dynamic e ects of an arc allowing front access to the medium-voltage cables.

  • Page 10: Name Plate

    (t) Year Year of manufacture Minimum working temperature Internal arc classi cation * In the event of incident, this number should be reported to Ormazabal. Table 1.4. Name plate The I and t values on the name plates of the (cgmcosmos-m) metering cubicles are only valid for the busbars.

  • Page 11: Electrical Specifications

    The values set out in this table are general for the cgmcosmos system and are only valid when con rmed by Ormazabal. Some cubicle models can withstand partial values. For more detailed information, check the table for each cubicle model in Ormazabal's CA-100 catalogue. IG-078-EN version 12; 23/04/2020...

  • Page 12: 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. * With biphase voltage transformer up to 650 VA.
  • Page 13 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. * With biphase voltage transformer up to 650 VA.

  • Page 14: Operating Conditions

    "Common speci cations for high-voltage cubicles". For special service conditions: ambient temperature above + 40ºC, installation between 2000 and 4000 m above sea level, signi cant pollution level, or others di erent to those described, check with Ormazabal. IG-078-EN version 12; 23/04/2020...

  • Page 15: 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 xed so that it cannot move about and possibly damage the equipment.
  • Page 16 Handling and transport General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 3. If it is not possible to lift using the aforementioned methods, rollers may be used underneath the switchgear.

  • Page 17: Storage

    General Instructions Storage 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 18: 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 19 Location of accessories in transport in multifunctional cgmcosmos cubicles Depending on the cubicle model, the accessory box contains some of the following items: 1. Ormazabal General Instructions document IG-078 5. End plug kit: 2. Actuating lever a. Cubicle end assembly 3.

  • Page 20: Minimum Installation Distances

    IEC 62271-200. These dimensions may vary, in accordance with the radius of curvature of the cables. For any questions, please ask Ormazabal. In each case, bear in mind which cable is to be used in the particular facility. IG-078-EN version 12; 23/04/2020...

  • Page 21: Cubicles With Internal Arc In Tank Up To

    General Instructions Installation cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4.4.1. Cubicles with internal arc in tank up to 20 kA - 0.5 s Feeder function, busbar rise and cable rise Dimensions in mm.
  • Page 22 * Check against the data of the manufacturer of the cable used. (T) Rear cable input or output. (F) Cable front input or output. (L) Side cable input or output. (c.) Please check with Ormazabal. Table 4.3. Trench necessary for the auxiliary services and fuse protection function IG-078-EN version 12; 23/04/2020...
  • Page 23 General Instructions Installation cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Circuit-breaker function with AV/RAV driving mechanism Dimensions in mm. Front and rear cable input or output with straight terminal (D2). Side cable input or output (D4).
  • Page 24 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 AV3 driving mechanism Dimensions in mm. Front and rear cable input or output (D1/D2). Side cable input or output (D3/D4). Figure 4.7.

  • Page 25: Cubicles With Iac Internal Arc Classification

    21 kA 1 s. (T) Rear cable input or output. (F) Cable front input or output. Table 4.6. Trench necessary for the feeder, busbar rise and cable rise function For other cable sections, please check with Ormazabal. IG-078-EN version 12; 23/04/2020...
  • Page 26 ≤ 50 Single-phase Height Dry insulation 1740 mm ≤ 95 Three-phase * Check against the data of the manufacturer of the cable used. (c.) Please check with Ormazabal. Table 4.7. Trench necessary for the fuse protection function IG-078-EN version 12; 23/04/2020...
  • Page 27 General Instructions Installation cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Circuit-breaker function with AV/RAV driving mechanism Dimensions in mm. Front and rear cable input or output with straight terminal (D2). Side cable input or output (D4).
  • Page 28 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 AV3 driving mechanism Dimensions in mm. Front and rear cable input or output (D1/D2) Side cable input or output (D3/D4). Figure 4.11.
  • Page 29 General Instructions Installation cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Metering function and metering with earthing switch Dimensions in mm. Figure 4.12. Dimensions [mm] of the cable trench for cgmcosmos-m Trench required for the metering function and metering with earthing switch Approximate Minimum depth...
  • Page 30 Installation General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Metering function and auxiliary services Figure 4.13. Cable trench dimensions [mm] for cgmcosmos-ma Trench necessary for the metering function and auxiliary services Approximate Minimum depth Cable...

  • Page 31: Floor Fastening

    General Instructions Installation cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4.5. Floor fastening Before assembling the cubicles, the oor must be carefully levelled to prevent any deformation which may make it di cult to connect the cubicles to one another.

  • Page 32: Fastening To The Floor By Anchoring

    Installation General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4.5.2. Fastening to the floor by anchoring If the oor of the facility is level enough, it is advisable to install the medium-voltage cubicle anchored directly to the oor.
  • Page 33 General Instructions Installation cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 3. Anchor the rst cubicle to the oor of the facility using M10 bolts at the points prepared in its base. This will prevent displacements or vibrations due to causes such as short-circuiting, ooding, etc.
  • Page 34 Installation General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Figure 4.20. Anchoring diagram cgmcosmos -v with AV/RAV driving Figure 4.23. Anchoring diagram cgmcosmos-m and cgmcosmos-m-pt mechanism 1740 mm high Figure 4.21.
  • Page 35 General Instructions Installation cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Figure 4.26. Anchoring diagram cgmcosmos-r2c 1740 mm high Figure 4.29. Anchoring diagram cgmcosmos-2lp, -double cable 1300 mm high Figure 4.27. Anchoring diagram cgmcosmos-2lp, -rlp Figure 4.30.
  • Page 36 Installation General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Figure 4.32. Anchoring diagram cgmcosmos-3l 1740 mm high Figure 4.35. Anchoring diagram cgmcosmos-2l2p Figure 4.33. Anchoring diagram cgmcosmos -2lv 1300 mm high Figure 4.36.
  • Page 37 General Instructions Installation 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 4.37. Location of anchor points in cgmcosmos cubicles 1740 mm high 5.
  • Page 38 In order to anchor this type of cubicles properly, use the six points indicated in the gure below. For further information, please ask Ormazabal. Figure 4.40. Fastening of the cubicle with a side "L" piece Figure 4.41. Anchoring points for earthquake-resistant equipment IG-078-EN version 12;...

  • Page 39: Connecting The Cubicles

    4.6. Connecting the cubicles The cubicles must be joined as indicated in the Spare parts and accessories document, which is supplied with the and accessories instructions Ormazabal’s RA 146 spares materials kit for connecting cubicles. 4.7. Earthing the switchgear When connecting the general earth collector, follow the 1.

  • Page 40: Cable Connections

    Installation General Instructions 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 41 General Instructions Installation 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 42: Horizontal Front Connection

    Installation General Instructions 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 4.43. Cable compartment detail 3.
  • Page 43 General Instructions Installation 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 4.45. Earth connector 5.

  • Page 44: Vertical Front Connection

    Installation General Instructions 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 xing pins in the bushing.
  • Page 45 General Instructions Installation 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 4.49. Earth connector 5. Put the cable compartment cover back in place. Rear output connection: Angled terminal [11] 1.
  • Page 46 Installation General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 4. Fix the support on the rear section, using the screws provided (c). Figure 4.51. Rear connection in modular cubicles up to 1300 mm high 5.
  • Page 47 General Instructions Installation cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 6. Connect the terminals on the bushings (e). Figure 4.53. Rear connection in modular cubicles up to 1300 mm high 7.

  • Page 48: Assembling And Connecting Metering Transformers In Cgmcosmos-M

    4.12. Assembling and connecting metering and auxiliary services transformers in cgmcosmos-ma The metering transformers and the auxiliary services For further information on assembling and connecting transformers are located on tracks installed in Ormazabal's Ormazabal's cgmcosmos-ma metering and auxiliary cgmcosmos-ma modular metering cubicle.

  • Page 49: 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, rst check the SF gas pressure using the manometer.

  • Page 50: Live Voltage Indicator

    SF gas up to 24 kV in accordance with IEC Standard 5.2. Live voltage indicator Ormazabal has two live voltage indication options: 3. Phase test points. Each phase has a test point for checking the phase 1. ekor.vpis unit for detecting voltage, designed in concordance between cubicles.

  • Page 51: Phase Concordance Check

    Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 5.3. Phase concordance check Ormazabal's ekor.spc phase comparator should be used [13] Comparison of balanced phases for checking that the medium-voltage cables are correctly connected to the feeder cubicles.

  • Page 52: Feeder Function

    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. Feeder function 5.4.1. Mimic diagram ekor.sas, acoustic earthing prevention alarm Pressure switch window Live voltage indicator ekor.vpis or ekor.ivds Operation area: •...

  • Page 53: Opening Operation From Earthing 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 5.4.3. Opening operation from earthing position 1. Move the yellow slider to the right (this releases the access so the earthing switch can be disconnected).

  • Page 54: Switch Closing Operation From Isolating

    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 5.4.4. 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 connected).

  • Page 55: 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 5.4.5. Opening operation from closed position 1. Move the black slider in the grey area to the left, as before (this releases the lever access so the switch- disconnector can be disconnected).

  • Page 56: Earthing Operation From Open 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 5.4.6. Earthing operation from open position 1. Move the yellow slider to the right (this releases the lever access so the earthing switch can be connected).

  • Page 57: Cable Test

    -l feeder functions which include B/BM “5.4.3. Opening operation from earthing position”. driving mechanisms with this characteristic. Please check with Ormazabal. 7. Close the bottom cover to access the cable compartment. 1. Follow the steps in section “5.4.6. Earthing operation 8.

  • Page 58: Busbar Switch Function

    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. Busbar switch function 5.5.1. Mimic diagram Pressure switch window Operation area: • GREY for switch-disconnector Status indicators •...

  • Page 59: Switch Closing Operation From Isolating

    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 5.5.3. Switch closing operation from isolating position 1. Move the black slider in the grey area to the left (this releases the lever access so the switch-disconnector can be connected).

  • Page 60: Opening Operation From Closed 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. Opening operation from closed position 1. Move the black slider in the grey area to the left (this releases the lever access so the switch-disconnector can be disconnected).

  • Page 61: Busbar Switch Function With Earth

    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 5.6. Busbar switch function with earth connection 5.6.1. Mimic diagram Pressure switch window Live voltage indicator ekor.vpis or ekor.ivds Operation area: •...

  • Page 62: Opening Operation From Earthing 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 5.6.3. Opening operation from earthing position 1. Move the yellow slider to the right (this releases the access so the earthing switch can be disconnected).

  • Page 63: Switch-Disconnector Closing Operation

    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 5.6.4. Switch-disconnector closing operation from isolating position 1. Move the black slider in the grey area to the left (this releases the lever access so the switch-disconnector can be connected).

  • Page 64: Opening Operation From Closed 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 5.6.5. Opening operation from closed position 1. Move the black slider in the grey area to the left, as before (this releases the lever access so the switch- disconnector can be disconnected).

  • Page 65: Earthing Operation From Open 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 5.6.6. Earthing operation from open position 1. Move the yellow slider to the right (this releases the lever access so the earthing switch can be connected).

  • Page 66: Busbar Rise Function With Earth Connection

    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 5.7. Busbar rise function with earth connection 5.7.1. Mimic diagram Pressure switch window Live voltage indicator ekor.vpis or ekor.ivds Operation area: •...

  • Page 67: Earthing Switch Opening Operation

    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 5.7.3. Earthing switch opening operation 1. Move the yellow slider to the right (this releases the access so the earthing switch can be disconnected).

  • Page 68: Earthing Switch Connection Operation

    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 5.7.4. Earthing switch connection operation 1. Move the yellow slider to the right (this releases the lever access so the earthing switch can be connected).

  • Page 69: Fuse Protection Function With Br Driving

    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 5.8. Fuse protection function with BR driving mechanism 5.8.1. Mimic diagram Pressure switch window Live voltage indicator ekor.vpis or ekor.ivds Operation area: •...

  • Page 70: Actuating Lever

    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 5.8.2. Actuating lever The actuating levers to be used to operate the switch- disconnector of the fuse protection function with BR driving mechanisms is: Figure 5.41.

  • Page 71: Opening Operation From Earthing 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 5.8.3. Opening operation from earthing position 1. Move the yellow slider to the right (this releases the lever access so the earthing switch can be disconnected).

  • Page 72: Switch-Disconnector Closing Operation From Isolating Position And Spring Charge

    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 5.8.4. Switch-disconnector closing operation from isolating position and spring charge 1. Move the black slider in the grey area to the left (this releases the lever access so the disconnector can be connected).

  • Page 73: 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 4. Turn the lever anti-clockwise. Figure 5.46. Lever turn process 5. Remove the lever from the switch-disconnector access. 6.

  • Page 74: Earthing Operation From Open 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 5.8.6. Earthing operation from open position 1. Move the yellow slider to the right (this releases the lever access so the earthing switch can be connected).

  • Page 75: Fuse Protection Function With Ar Driving

    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 5.9. Fuse protection function with AR driving mechanism 5.9.1. Mimic diagram The AR driving mechanism has a stored energy operating system.

  • Page 76: 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 5.9.2. Actuating levers Earthing switch Switch-disconnector actuating lever actuating lever Figure 5.52. Type-1 lever detail (anti-re ex) Figure 5.53.

  • Page 77: Spring Charge Operation And Closing Of The Switch 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 5.9.4. 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 78: Earthing Operation From Open 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 5.9.6. Earthing operation from open position Start with the switch (3) and the earthing switch (4) in open positions.

  • Page 79: Fuse Replacement Sequence

    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 5.10. Fuse replacement sequence To access the fuse holders, rst remove the cable compartment cover. It is essential to close the earthing switch.
  • Page 80 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. Open the bottom cover to access the cable compartment. Figure 5.60. Cable compartment cover opening 5.
  • Page 81 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 7. Pull smoothly keeping it level. Until the fuse holder carriage is removed. Figure 5.63. Removing the fuse holder carriage 8.
  • Page 82 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 10. Lower the handle of the fuse holder by pushing it until the safety trigger engages. Figure 5.66.

  • Page 83: Selection Of Recommended Fuses

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

  • Page 84: Circuit-Breaker Function With Av/Rav Driving

    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 5.11. Circuit-breaker function with AV/RAV driving mechanism 5.11.1. Mimic diagram Pressure switch window Live voltage indicator ekor.vpis or ekor.ivds Operation area: GREY: Switch-disconnector YELLOW: Earthing switch...

  • Page 85: Spring Charge And 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 5.11.2. 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 86 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 2. Insert the lever in the earth actuating shaft and turn anti-clockwise. 3. Remove the lever. Figure 5.72.

  • Page 87: Closing 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 5.11.4. Closing operation from isolating position Initial conditions: Switch-disconnector open, earthing switch open, springs charged and circuit- breaker closed.
  • Page 88 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 3. Insert the lever in the switch-disconnector actuating shaft and turn clockwise. Figure 5.76. Lever turn detail 4.
  • Page 89 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 6. Close the circuit-breaker by pressing the close button and check the status indicator. Figure 5.77. Handle and close button detail 7.

  • Page 90: Opening Operation From Closed 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 5.11.5. 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 91 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. Insert the lever in the switch-disconnector actuating shaft and turn anti-clockwise. Figure 5.81. Lever turn detail 5.

  • Page 92: Earthing Operation From Open 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 5.11.6. Earthing operation from open position Initial conditions: Circuit-breaker open, switch- disconnector open and springs charged. 1.
  • Page 93 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. Insert the lever in the actuating shaft of the earthing switch and turn clockwise. Figure 5.85. Lever turn detail 5.

  • Page 94: Circuit-Breaker Function With Av3 Driving

    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 5.12. Circuit-breaker function with AV3 driving mechanism 5.12.1. Mimic diagram Driving shaft Pressure switch window Voltage indicator Operation area Protection unit Status indicators...

  • Page 95: Spring Charge And 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 5.12.2. Spring charge and actuating levers The driving levers to be used with AV3 driving mechanisms is: Figure 5.88.
  • Page 96 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 2. Insert the lever in the earth actuating shaft and turn anti-clockwise. Figure 5.90. Lever turn detail 3.

  • Page 97: Closing 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 5.12.4. Closing operation from isolating position Initial conditions: Circuit-breaker open, earthing switch open. 1. Turn the actuating shaft selector clockwise. Figure 5.92.
  • Page 98 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 3. Close the circuit-breaker by pressing button "I", and check the status indicator. Figure 5.95. "I" button detail 4.

  • Page 99: 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 5.12.5. Opening operation from closed position Initial conditions: Circuit-breaker closed. 1. Open the circuit-breaker by pressing the opening button '0' and check the status indicator.

  • Page 100: Earthing Operation From Open 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 5.12.6. Earthing operation from open position Initial conditions: Circuit-breaker open, switch- disconnector open. 1. Turn the actuating shaft selector anti-clockwise. Figure 5.99.

  • Page 101: Metering Function With Earthing Switch

    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. Verify that the cubicle is in earthing position. Figure 5.101. Earthing position detail 5.13. Metering function with earthing switch 5.13.1.

  • Page 102: Actuating Lever

    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 5.13.2. Actuating lever Figure 5.103. Detail of lever for the metering cubicle with earthing switch 5.13.3. Earthing operation 1.
  • Page 103 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. Padlock the adjacent cubicle's earthing switch open position and remove the key. Figure 5.105. Padlock locking of earthing position 3.
  • Page 104 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. Release the access to the metering cubicle spat by sliding the locking curtain up. Insert the lever in the actuating shaft of the metering cubicle's earthing switch and turn clockwise 90°...

  • Page 105: Commissioning Operation

    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 6. Introduce the key in the metering cubicle's door opening lock and release the door, providing access to the inside of the cubicle.

  • Page 106: Safety Elements

    Safety elements General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Safety elements 6.1. Acoustic earthing prevention alarm The ekor.sas acoustic alarm unit is associated with the ekor.vpis live voltage indicator and with the earth shaft actuator.

  • Page 107: Locking With A Lock

    General Instructions Safety elements cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard In circuit-breaker functions with AV3 driving mechanism: Move the black slide to lock position in order to release the lock insertion piece.
  • Page 108 Figure 6.6. Released lever access detail 3. Carry out the required operation as shown in section “5. Recommended sequence of operations” of this Ormazabal IG-078 instructions manual. IG-078-EN version 12; 23/04/2020...

  • Page 109: 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 cubicle switching equipment does not require lubrication the facility. for correct operation, according to the service conditions speci ed in IEC 62271-1, throughout its estimated lifetime.

  • Page 110: Acoustic Earthing Prevention Alarm Test

    Maintenance General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard 7.2. Acoustic earthing prevention alarm test To test that the ekor.sas acoustic alarm is working correctly, connect the ekor.vpis live voltage indicator at 230 V with 4 mm terminals, which are placed in the indicator between the earth test point and the test point for phase L1.

  • Page 111: Preventive Maintenance Of The Cgmcosmos -V Cubicle With Av/Rav Driving Mechanism

    Ormazabal, considers otherwise. environmental conditions (harsh environments, dust, extreme temperatures, etc.) and must be established in line...

  • Page 112: Spares And Accessories

    Certain spares and accessories must be installed in the cubicle by specialised personnel. Please check with Ormazabal. -2lp / Equipment -s-pt -m -m-pt -2l...
  • Page 113 General Instructions Spares and accessories cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Continuation -2lp / Manual driving -s-pt -m -m-pt -2l -3l -rb -rc -2l2p / -rlp -2lv mechanisms (AV/RAV) (AV3) -3lp...
  • Page 114 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 -2lp / Enclosure -s-pt (AV/ -m -m-pt -2l -3l -rb -rc -2l2p / -rlp -2lv (AV3) RAV) -3lp Metering...
  • Page 115 General Instructions Spares and accessories cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Continuation -2lp / Others -s-pt (AV/ -m -m-pt -2l -3l -rb -rc -2l2p / -rlp -2lv (AV3) RAV) -3lp Medium-voltage...

  • Page 116: Environmental Information

    Environmental information General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Environmental information cgmcosmos cubicles are de ned as a pressure-sealed being released into the atmosphere. All extracting and system, according to IEC 62271-1, which contains handling of SF must be carried out by quali ed personnel,...
  • Page 117 General Instructions Notes cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Notes IG-078-EN version 12; 23/04/2020...
  • Page 118 Notes General Instructions cgmcosmos: Medium-voltage cubicles with full insulation in SF gas up to 24 kV in accordance with IEC Standard Notes IG-078-EN version 12; 23/04/2020...
  • Page 120 Ormazabal Subject to change y Cía. without prior notice. For further information, IGORRE please ask Ormazabal. Spain www.ormazabal.com...

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