Ormazabal velatia cgm.800 General Instructions Manual
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Ormazabal velatia cgm.800 General Instructions Manual

Ormazabal velatia cgm.800 General Instructions Manual

Medium-voltage switchgear with integrated insulation in sf6 gas up to 36 kv in accordance with iec standard with rated current up to 800 a
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cgm.800
Medium-voltage switchgear with
integrated insulation in SF
gas up to
6
36 kV in accordance with IEC Standard
with rated current up to 800 A
General Instructions
IG-284-EN, version 03, 06/05/2020
LIB

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Summary of Contents for Ormazabal velatia cgm.800

  • Page 1 cgm.800 Medium-voltage switchgear with integrated insulation in SF gas up to 36 kV in accordance with IEC Standard with rated current up to 800 A General Instructions IG-284-EN, version 03, 06/05/2020...
  • 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 cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Contents 1. General description ...........4 5.5.1. Mimic diagram......43 5.5.2.

  • Page 4: General Description

    36 kV in accordance with IEC Standard with rated current up to 800 A General description Ormazabal's cgm.800 system, designed in accordance with gas, thus allowing di erent secondary electrical distribution the requirements set out in standards of the International...

  • Page 5: Main Components

    General Instructions General description cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 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)

  • Page 6: Gas Tank

    General description General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 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 relief device to facilitate gas relief in the event of internal arc.

  • Page 7: Base

    Gas relief compartment This is located in the bottom front section of the cubicle Ormazabal's cgm.800 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 8: Name Plate

    Insulating uid mass (kg) Equivalent CO uid mass (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 IG-284-EN version 03; 06/05/2020...

  • Page 9: Characteristics Table

    The values set out in this table are general for the cgm.800 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-126 catalogue. IG-284-EN version 03; 06/05/2020...

  • Page 10: Dimensions And Weights

    -rcd 1028 1800 Only available for cubicles with IAC rating up to 21 kA-1 s. For other options, check with Ormazabal. In the case of double symmetrical terminal, the switchgear is an extra 80 mm deep. Table 1.6. Dimensions and weights...

  • Page 11: 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-284-EN version 03; 06/05/2020...

  • Page 12: Handling And Transport

    Handling and transport General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 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 13 General Instructions Handling and transport cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 3. If it is not possible to use the aforementioned methods, rollers may be used underneath the switchgear.

  • Page 14: Storage

    Storage General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 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 15: Installation

    On receiving the equipment, check that the goods supplied cable compartment cover. correspond to the order and associated documentation. If this is not the case, contact Ormazabal immediately. The self-adhesive plastic must be removed from the cable compartment cover so that the equipment...

  • Page 16: Minimum Installation Distances

    Annex AA of Standard IEC 62271-200. The space required to extend the assembly with an Figure 4.3. Minimum installation distances additional cubicle is 250 mm plus the width of the new cubicle. For any questions, please ask Ormazabal. IG-284-EN version 03; 06/05/2020...

  • Page 17: Recommended Cable Connection Trenches

    General Instructions Installation cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 4.4. Recommended cable connection trenches Minimum recommended dimensions based on the trench IEC 62271-200. These dimensions may vary in accordance dimensions used in the tests in accordance with Standard with the radius of curvature of the cables used.
  • Page 18 Installation General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Fuse protection function Front and rear cable input or output (D1) Side cable input or output (D2) Figure 4.5.
  • Page 19 General Instructions Installation cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Circuit-breaker function with AV/RAV driving mechanism Front and rear cable input or output (D1) Side cable input or output (D2) Figure 4.6.

  • Page 20: Cubicles With Classification Of Internal Arc

    Installation General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 4.4.2. Cubicles with classification of internal arc IAC up to 25 kA - 1 s Feeder and cable rise function Front and rear cable input or output (D1) Side cable input or output (D2)
  • Page 21 General Instructions Installation cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Metering function and auxiliary services Figure 4.8. Dimensions [mm] of the cable trench for cgm.800-ma Trench necessary for the metering function and auxiliary services Approximate Cable...
  • Page 22 Installation General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Fuse protection function Front and rear cable input or output (D1) Side cable input or output (D2) Figure 4.9.
  • Page 23 General Instructions Installation cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Circuit-breaker function with AV/RAV driving mechanism Front and rear cable input or output (D1) Side cable input or output (D2) Figure 4.10.

  • Page 24: Fastening To The Floor

    Installation General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 4.5. Fastening to the floor Before assembly, the oor must be carefully levelled to The cubicles can be fastened to the oor in two ways: prevent any deformation which may make it di cult to connect the cubicles to one another.

  • Page 25: Fastening To The Floor By Anchoring

    General Instructions Installation cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 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 26 Installation General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Figure 4.13. Detail of anchor points in cgm.800 -l, -p, -v cubicles Figure 4.15. Detail of anchor points in cgm.800 -l, -p, -double cable measuring 1745 mm high cubicles measuring 1745 mm high Figure 4.14.
  • Page 27 In order to anchor this type of cubicles properly, use the six points indicated in the gure below. For further information, contact Ormazabal. Figure 4.17. Anchor points for earthquake resistant Figure 4.19. Push from the front of the cubicle equipment Figure 4.20.

  • Page 28: Connecting The Cubicles

    36 kV in accordance with IEC Standard with rated current up to 800 A 4.6. Connecting the cubicles The joining of cubicles must be carried out as indicated in Ormazabal's RA-307 Spares and accessories document, which is supplied with the materials kit used for connecting cubicles.

  • Page 29: Cable Connections

    EUROMOLD* K484TB M484TB 35-630 * Connectors recommended for Ormazabal’s cgm.800 system cubicles. Table 4.10. Recommended terminals Apart from the list above, CENELEC terminals are also valid. For other values, check with Ormazabal. In accordance with gure 11 13 of Standard IEEE 386: “600 A deadbreak interface nº1 15.2 kV or nº1 21.1 kV”.

  • Page 30: Horizontal Front Connection

    Installation General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 4.8.1. Horizontal front connection 1. Close the earthing switch. 2. Remove the cover to access the cable compartment. Figure 4.22.
  • Page 31 General Instructions Installation cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 4. Connect the terminal earth braids, if applicable, and the cable screens. Figure 4.24. Horizontal front connection process 5.

  • Page 32: Cable Connection In Fuse Protection

    Installation General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 4.8.2. Cable connection in fuse protection function 1400 mm high The cable support in fuse protection functions, measuring 1400 high, is supplied secured to the base with two M8 bolts and nuts, as shown in Figure 4.25.
  • Page 33 General Instructions Installation cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 2. Turn the cable support and position it as shown in Figure 4.27. Figure 4.27.

  • Page 34: Recommended Sequence Of Operations

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Recommended sequence of operations Before carrying out any operation when voltage is present, we recommend checking the SF gas pressure using the pressure gauge.

  • Page 35: Live Voltage Indicator

    36 kV in accordance with IEC Standard with rated current up to 800 A 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 concordance between cubicles.

  • Page 36: Phase Concordance Check

    Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 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 37: Feeder Function

    General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.4. Feeder function 5.4.1. Mimic diagram ekor.sas, acoustic earthing prevention alarm Pressure gauge window Live voltage indicator ekor.vpis or ekor.ivds Operation area:...

  • Page 38: Opening Operation From Earthing Position

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.4.3. Opening operation from earthing position 1. Move the actuating shaft access handle in the yellow zone to its bottom position.

  • Page 39: Switch Closing Operation From Open

    General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.4.4. Switch closing operation from open position 1. Move the actuating shaft access handle in the grey zone to its bottom position.

  • Page 40: Opening Operation From Closed Position

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.4.5. Opening operation from closed position 1. Move the actuating shaft access handle in the grey zone to its bottom position.

  • Page 41: Earthing Operation From The Open Position

    General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.4.6. Earthing operation from the open position 1. Move the actuating shaft access handle in the yellow zone to its bottom position.

  • Page 42: Cable Test

    “5.4.6. Earthing operation from the open position”. feeder functions which include B/BM/B2M driving mechanisms with this characteristic. Please check with 7. Close the bottom cover to access the cable Ormazabal. compartment. 1. Follow the steps in section “5.4.6. Earthing operation from the open position”.

  • Page 43: Fuse Protection Function

    General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.5. Fuse protection function 5.5.1. Mimic diagram ekor.sas, acoustic earthing prevention alarm Pressure gauge window Voltage indicator ekor.vpis or ekor.ivds Operation area:...

  • Page 44: Opening Operation From Earthing Position

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.5.3. Opening operation from earthing position 1. Move the driving shaft access handle to its lower position.

  • Page 45: Spring Charge Operation And Closing Of The Switch-Disconnector From Isolating Position

    General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.5.4. Spring charge operation and closing of the switch-disconnector from isolating position 1.

  • Page 46: Opening Operation From Switch-Disconnector

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.5.5. Opening operation from switch-disconnector closed position 1. The switch can be opened manually, using the push- button on the front of the cubicle, an opening coil, or due to action by the fuses.

  • Page 47: Earthing Operation From Open Position

    General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.5.6. Earthing operation from open position 1. Move the driving shaft access handle to its lower position.

  • Page 48: Fuse Replacement Sequence

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.6. Fuse replacement sequence To access the fuse holders, rst remove the cable compartment cover.
  • Page 49 General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 3. Pull up the handle on the fuse holder cover until the locking clip is unhooked and then pull sharply outwards to open the fuse holder.
  • Page 50 Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 6. Insert the fuse holder carriage in its compartment by pulling it inward.
  • Page 51 General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 8. Close the cover and check that all the strikers have been reset.

  • Page 52: Selection Of Recommended Fuses

    10/24** 31.5 80*** 100*** * Fuses measuring 292 mm long. ** Fuses measuring 537 mm long. For fuses measuring 442 mm long, check with Ormazabal. *** For cubicles with associated fuses Table 5.1. Fuse calibres for 24 kV cubicles [kV]...

  • Page 53: Circuit-Breaker Function With Av/Rav

    General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.7. Circuit-breaker function with AV/RAV driving mechanism 5.7.1. Mimic diagram Pressure gauge window Live voltage indicator ekor.vpis or ekor.ivds Operation area:...

  • Page 54: Spring Charge And Actuating Levers

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.7.2. Spring charge and actuating levers The drive and spring charge levers to be used to drive the switch-disconnector-earthing switch of the circuit breaker function with AV/RAV driving mechanisms are: Figure 5.40.
  • Page 55 General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 2. Opening operation: a. Manual operation. Insert the lever in the earthing driving shaft, move the driving arm to the end and turn anti-clockwise.

  • Page 56: Closing Operation From Isolating Position

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.7.4. Closing operation from isolating position Initial conditions: Earthing switch open, circuit breaker closed and springs charged.
  • Page 57 General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 3. Switch-disconnector closing operation: a. Manual operation. Insert the lever in the switch-disconnector driving shaft, move the drive arm to the end and turn clockwise.

  • Page 58: Opening Operation From Closed Position

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.7.5. Opening operation from closed position Initial conditions: Circuit breaker closed, earthing switch open and springs charged.
  • Page 59 General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 4. Switch-disconnector opening operation: a. Manual operation. Insert the lever in the disconnector driving shaft, move the driving arm to the end and turn anti- clockwise 90º.

  • Page 60: Earthing Operation From Open Position

    Recommended sequence General Instructions of operations cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 5.7.6. Earthing operation from open position Initial conditions: Circuit breaker open, earthing switch open and springs charged.
  • Page 61 General Instructions Recommended sequence cgm.800: Medium-voltage switchgear with integrated insulation in SF of operations up to 36 kV in accordance with IEC Standard with rated current up to 800 A 4. Switch-disconnector earthing operation a. Manual operation. Insert the lever in the earthing switch driving shaft, move the driving arm to the end and turn clockwise 90º.

  • Page 62: Safety Elements

    Safety elements General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Safety elements 6.1. Acoustic earthing prevention alarm The ekor.sas acoustic alarm unit is associated to the ekor. vpis voltage presence indicator and to the earth shaft actuator.

  • Page 63: Locking With A Padlock

    General Instructions Safety elements cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 6.2.1. Locking with a padlock The cubicles are supplied with independent padlock interlocking for both the switch-disconnector in closed or open positions and for the earthing switch in closed or open positions.

  • Page 64: Maintenance

    (IEC 62271-1), must carry out the regular preventive maintenance tasks required. Check operation throughout its estimated lifetime, according to with Ormazabal for the environmental conditions of the service conditions speci ed in IEC 62271-1. the facility. These mechanisms must be inspected when used under 7.1.

  • Page 65: Acoustic Earthing Prevention Alarm Test

    General Instructions Maintenance cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A 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...

  • Page 66: Specific Maintenance For The Cgm.800-V

    Maintenance should be carried out every 5 years or 2000 the gas tank may require preventive maintenance; the operating cycles, unless the user and Ormazabal, based on frequency of this maintenance depends on the existing the conditions of use, consider otherwise.

  • Page 67: Spares And Accessories

    Certain spares and accessories must be installed in the cubicle by specialised personnel. Please check with Ormazabal. Equipment Switch-disconnector Earthing (grounding) Switch Circuit-breaker...
  • Page 68 Spares and accessories General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Continued Interlocks and locks. Earth connection OPEN Earth connection CLOSED Switch OPEN Circuit-breaker CLOSED Earth connection CLOSED + OPEN Opening the access cover...

  • Page 69: Environmental Information

    General Instructions Environmental information cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Environmental information cgm.800 cubicles are de ned as a pressure-sealed system, For the usage and handling of the SF , the indications listed according to IEC 62271-1, which contains hexa uoride in IEC 62271-303 must be followed.
  • Page 70 Notes General Instructions cgm.800: Medium-voltage switchgear with integrated insulation in SF up to 36 kV in accordance with IEC Standard with rated current up to 800 A Notes IG-284-EN version 03; 06/05/2020...
  • Page 72 Ormazabal Subject to change y Cía. without prior notice. For further information, IGORRE please ask Ormazabal. Spain www.ormazabal.com...

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