Ormazabal cpg.0 ENA Series General Instructions Manual
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Ormazabal cpg.0 ENA Series General Instructions Manual

Medium voltage sf6 gas-insulated switchgears up to 36 kv
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cpg.0 ENA range
Medium voltage SF
gas-insulated
6
switchgears up to 36 kV
According to ENA Technical Specification
41-36 Issue 3 2017
General instructions
IG-273-EN, version 03, 05/08/2020
LIB

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Summary of Contents for Ormazabal cpg.0 ENA Series

  • Page 1 cpg.0 ENA range Medium voltage SF gas-insulated switchgears up to 36 kV According to ENA Technical Specification 41-36 Issue 3 2017 General instructions IG-273-EN, version 03, 05/08/2020...
  • 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: Ormazabal Nocc 1074 Switchgear Types

    General instructions Ormazabal NoCC 1074 Switchgear types cpg.0 ENA range Ormazabal NoCC 1074 Switchgear types NoCC 1074 Designations cpg.0-v cpg.0-l cpg.0-c cpg.0-pt cpg.0-rb obb.12 Switch-disconnector Bus section circuit Busbar earthing switch Busbar bridge Circuit breaker Busbar riser (1) (7) (8) (9)

  • Page 4: Table Of Contents

    General instructions cpg.0 ENA range Contents Ormazabal NoCC 1074 Switchgear types ....3 7. Operations sequence ..........28 7.1. Feeder up to 1250 A ......28 1.

  • Page 5: General Description

    General instructions General description cpg.0 ENA range General description The cpg.0 switchgear range is made up of a series of cubicles, with complete insulation in SF , for primary distribution in medium-voltage networks up to 36 kV. 1.1. Models Model Function cpg.0-v Circuit breaker...

  • Page 6: Main Components

    General description General instructions cpg.0 ENA range 1.3. Main components Depending on the function for which the cubicle was designed, it may contain the following components: • Disconnector. • Earthing switch. • Internal busbar and connections. • Vacuum circuit-breaker. It can be connected to the busbar and the medium-voltage cables respectively by means of bushings at the top and bottom.
  • Page 7 General instructions General description cpg.0 ENA range Cable compartment Gas pressure exhaust duct The cable connection compartment, located at the bottom The cubicle is certified to withstand an internal arc in the part of the cubicle, is interlocked such that front access to the gas tank up to 25 kA - 1 s , meeting the criteria of Annex AA medium voltage cables is not allowed until the main circuit...
  • Page 8 General description General instructions cpg.0 ENA range Incoming cable connections (bushings) Control compartment The cpg.0 cubicles have bushings on the front for medium- Placed at the top of the cubicle and separate from the voltage cable connection. These are made of epoxy resin medium-voltage area, this is ready for installation of the and can, due to their configuration, incorporate the current metering equipment and protection relays.

  • Page 9: Voltage Presence Indicator

    General instructions General description cpg.0 ENA range 1.4. Voltage presence indicator The voltage presence-absence indicator installed in the The device indication complies with the requirements laid cpg.0 cubicles is designed and built in accordance with the down in standard IEC 61243-5: recommendations set out in Standard IEC 61243-5, within •...

  • Page 10: Name Plate

    Thermal class Internal arc classification Loss of service continuity category * In the event of incident, this number should be reported to Ormazabal. Table 1.1. Name plate Figure 1.11. Name plate example, busbar I = 2000 A and circuit breaker = 1250 A Figure 1.12.

  • Page 11: Technical Characteristics

    General instructions Technical characteristics cpg.0 ENA range Technical characteristics 2.1. Electrical characteristics cpg.0-v cpg.0-v cpg.0-l cpg.0-l Functions cpg.0-c Rated current [I cpg.0-c cpg.0-pt cpg.0-pt cpg.0-rb cpg.0-rb Rated voltage [U General busbar 1250/2000/2500 Industrial Frequency [U Feeder 1250/2000*/2500* Between phases Short-circuit [I = 3 s Insulating distance Lightning Impulse [U...

  • Page 12: Mechanical Characteristics

    Technical characteristics General instructions cpg.0 ENA range 2.2. Mechanical characteristics 2.2.1. Dimensions and weights Figure 2.1. cpg.0 dimensions Feeder I Weight Model [mm] [mm] [mm] [kg] 1250 cpg.0-v 2000/2500 1000 1100/1200 cpg.0-l 2425 1365 1250 cpg.0-pt (2225 and 2625 (1377 for on request) IAC AFL(R) class) 1250...

  • Page 13: Service Conditions

    Insignificant Vibrations (seismicity) Negligible For special operating conditions (maximum ambient temperature greater than + 40 °C), please ask Ormazabal. - 25 °C on request. For higher altitudes for transport, storage and/or installation, please check with Ormazabal. Table 3.1. Switchgear service conditions...

  • Page 14: Handling And Transport

    Handling and transport General instructions cpg.0 ENA range Handling and transport 4.1. Transport conditions During transport, the switchgear must be correctly seated The units are top heavy and due care must be taken and fixed so that it cannot move about and possibly damage when handling.
  • Page 15 General instructions Handling and transport cpg.0 ENA range During installation, Ormazabal could provide a specific Elevating caster wheels can be used to put the cubicles in tool for handling the cpg.0 coupling cubicle when lifting: their final position. Optional supply. Please check with Ormazabal.

  • Page 16: Storage Conditions

    Storage conditions General instructions cpg.0 ENA range Storage conditions 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. The in its original packaging.

  • Page 17: Installation

    4. Unscrew the fixings between 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. IG-273-EN version 03; 05/08/2020...

  • Page 18: List Of Assembly Materials Supplied

    Ensure the box contains the elements indicated in the the material necessary for installation and correct operation. materials list provided with the supply. If it does not, contact Ormazabal. Depending on the cubicles which form part of the supply, the assembly materials delivered will be some of the...
  • Page 19 General instructions Installation cpg.0 ENA range Continuation Description Image Spring charge lever for 1250 A Spring charge lever for 2000/2500 A Earthing bar for cubicle connection Table 6.1. Materials supplied IG-273-EN version 03; 05/08/2020...

  • Page 20: Cable Trench

    Installation General instructions cpg.0 ENA range 6.3. Cable trench The surface where the cubicles will be installed must be level with a tolerance of ± 1 millimetre per metre. The general layout of the cubicles will be checked in order to verify the suitability of the medium and low-voltage cable area.

  • Page 21: Minimum Installation Distances

    (for other civil engineering layouts, please check IEC 2271-200. The dimensions of the pit may vary in with Ormazabal): accordance with the minimum radius of curvature of the cables used.

  • Page 22: Interlocks

    Installation General instructions cpg.0 ENA range 6.4.1. Interlocks The switch, circuit-breaker and earthing switch are The interlocking ensures the circuit breaker can only be interlocked in accordance with section 5.11. of Standard closed when the disconnector or earthing switch are either; IEC 62271-200.

  • Page 23: Fastening To The Floor

    General instructions Installation cpg.0 ENA range 6.5. Fastening to the floor Secure the cubicles to the floor at the relevant fixing points inside the bottom supports using M10 fixing bolts. See contract documentation for dimensional details. Figure 6.5. Fixing points inside the cable compartment for cubicles up to 1250 A Figure 6.6.

  • Page 24: Cubicle Joints

    Installation General instructions cpg.0 ENA range 6.6. Cubicle joints Join the cubicles through the fixing points; use the M8 X 20 hexagonal screws and M8 nuts provided. Figure 6.9. Detail of the nut Figure 6.7. Hexagonal bolt detail with captive washers Figure 6.8.

  • Page 25: Cpg.0-V/Cpg.0-L/Cpg.0-Pt/Cpg.0-Rb

    General instructions Installation cpg.0 ENA range 6.6.1. cpg.0-v/cpg.0-l/cpg.0-pt/cpg.0-rb The fixing points are defined in Figure 6.11 and Figure 6.12: Ensure: - The front faces of the units are flush and in alignment. - The top edge of the bolting flange in the busbar chamber must be aligned and level with the adjacent unit.

  • Page 26: Cpg.0-C

    Installation General instructions cpg.0 ENA range 6.6.2. cpg.0-c The fixing points for bus section circuit breaker cubicles are defined in Figure 6.13 and Figure 6.14: Ensure: - The front faces of the units are flush and in alignment. - The top edge of the bolting flange in the busbar chamber must be aligned and level with the adjacent unit.

  • Page 27: Equipment Earthing

    General instructions Installation cpg.0 ENA range 6.7. Equipment earthing The shielded busbar system (connectors and busbars) as well as the voltage and current transformers (when installed at the busbar compartment) are connected to earth by means of connection points on the gas tank, in the busbar compartment.

  • Page 28: Operations Sequence

    Operations sequence General instructions cpg.0 ENA range Operations sequence 7.1. Feeder up to 1250 A 7.1.1. Circuit breaker and switch-disconnector (cpg.0-v and cpg.0-l) When the disconnector driving mechanism is also motorized, this is fitted with a “MANUAL/MOTOR” selector to choose the type of operation to be carried out. Figure 7.1.
  • Page 29 General instructions Operations sequence cpg.0 ENA range Figure 7.3. Details of the manual driving lever of the disconnector Figure 7.4. Details of the manual driving lever of the earthing switch To carry out any operation on the disconnector shaft, position the interlock in the disconnector position.
  • Page 30 Operations sequence General instructions cpg.0 ENA range Connection If the spring charge status indicator shows “SPRING Initial situation: Disconnector, earthing switch and DISCHARGED”, slide the access interlock cover to the right circuit breaker open. and introduce the spring charging lever. Move the SHUTTERS down to OPEN to insert the manual Turn ANTICLOCKWISE approximately one and a half turns to driving shaft lever with the disconnector open symbol...
  • Page 31 General instructions Operations sequence cpg.0 ENA range The spring charge status indicator shows “SPRING Press the “I” pushbutton to close the circuit-breaker. The CHARGED”. circuit-breaker status indicator shows CLOSED. Figure 7.8. Figure 7.9. “Spring charged” status Closed in service sequence detail. IG-273-EN version 03;...
  • Page 32 Operations sequence General instructions cpg.0 ENA range Disconnection Move the SHUTTERS down to OPEN to insert the manual driving shaft lever with the disconnector closed symbol aligned with the “I” in the Disconnector operation area (grey). Then turn it ANTI-CLOCKWISE. Figure 7.10.
  • Page 33 General instructions Operations sequence cpg.0 ENA range Earthing Move the SHUTTERS down to OPEN to insert the manual Ensure there is no voltage in the cables. driving shaft lever with the earthing switch open symbol aligned with the “I” in the earthing switch operation area (yellow).
  • Page 34 Operations sequence General instructions cpg.0 ENA range If the spring charge status indicator shows “SPRING Operate the “I” pushbutton to close the circuit-breaker. The DISCHARGED”, slide the access interlocking cover to the circuit-breaker status indicator will show closed, and the right and introduce the spring charging lever.
  • Page 35 General instructions Operations sequence cpg.0 ENA range Cable test in circuit breaker functions Once the medium-voltage cables have been earthed: 1. Remove the cable compartment cover. a. Remove the 4 fixing screws on the front of the cover. Figure 7.18. Fixing screws of the cable compartment cover b.
  • Page 36 4. Close the circuit-breaker. Once the cable test is complete (a test rod support should be used if required, available from Ormazabal), return to connection position, carrying out the sequence in reverse order: 1. Open the circuit-breaker.

  • Page 37: Bus Section Circuit Breaker (Cpg.0-C)

    General instructions Operations sequence cpg.0 ENA range 7.1.2. Bus section circuit breaker (cpg.0-c) To carry on any operation on the earthing switch shaft, When the disconnector driving mechanism is also position the interlock in earth position. motorized, this is fitted with a “MANUAL/MOTOR” selector to choose the type of operation to be carried out.
  • Page 38 Operations sequence General instructions cpg.0 ENA range Busbar coupling operations Initial situation: Disconnector, earthing switch and circuit-breaker open. 1. Move right hand SHUTTERS down to OPEN and insert the lever in the right disconnector driving shaft lever with the disconnector open symbol aligned with the “I”...
  • Page 39 General instructions Operations sequence cpg.0 ENA range 3. Operate the “I” pushbuttom to connect the circuit- breaker. The circuit-breaker status indicator shows closed. Whenever the springs are discharged, charged as explained in the section "7.1.1. Circuit breaker and switch-disconnector (cpg.0-v and cpg.0-l)" → "Connection".
  • Page 40 Operations sequence General instructions cpg.0 ENA range 2. Move left hand SHUTTERS down to OPEN and insert the lever in the left earthing switch driving shaft lever with the earthing switch open symbol aligned with the “I” in the earthing switch operation area (yellow). Then turn it CLOCKWISE.
  • Page 41 General instructions Operations sequence cpg.0 ENA range Earthing of the left busbar Initial situation: Disconnector, earthing switch and circuit-breaker open. 1. Move left hand SHUTTERS down to OPEN and insert the lever in the left disconnector driving shaft lever with the disconnector open symbol aligned with the “I”...
  • Page 42 Operations sequence General instructions cpg.0 ENA range 3. Operate the “I” pushbutton to connect the circuit- breaker. The circuit-breaker status indicator shows closed. Whenever the springs are discharged, charge as explained in the section "7.1.1. Circuit breaker and switch-disconnector (cpg.0-v and cpg.0-l)" → "Connection".

  • Page 43: Busbar Earthing Switch (Cpg.0-Pt)

    General instructions Operations sequence cpg.0 ENA range 7.1.3. Busbar earthing switch (cpg.0-pt) To carry out any operation on the disconnector shaft, Initial conditions: Open the disconnectors of all position the interlock in disconnector position (left): cubicles on that section of busbars. Figure 7.35.
  • Page 44 Operations sequence General instructions cpg.0 ENA range Earthing 1. Move the SHUTTERS down to insert the manual driving shaft lever with the disconnector open symbol aligned with the “I” in the Disconnector operation area (grey). Then turn CLOCKWISE. Check that the disconnector status indicator on the left shows closed.
  • Page 45 General instructions Operations sequence cpg.0 ENA range Unearthing 1. Open the circuit-breaker by operating on the “0” pushbutton. Figure 7.38. Circuit-breaker open 2. Move the SHUTTERS down to insert the manual driving shaft lever with the disconnector closed symbol aligned with the “I” in the Disconnector operation area (grey).

  • Page 46: Bus Riser (Cpg.0-Rb)

    Operations sequence General instructions cpg.0 ENA range 7.1.4. Bus riser (cpg.0-rb) The cable compartment cover of the cpg.0-rb is bolted but not interlocked. The labelling on the cover must be respected: WARNING THIS COMPARTMENT DOOR IS NOT INTERLOCKED, ENSURE UNIT IS DEAD BEFORE REMOVING COVER. Figure 7.40.

  • Page 47: Feeder Up To 2000/2500 A

    General instructions Operations sequence cpg.0 ENA range 7.2. Feeder up to 2000/2500 A 7.2.1. Circuit breaker (cpg.0-v) When the disconnector driving mechanism is also motorized, this is fitted with a “MANUAL/MOTOR” selector to choose the type of operation to be carried out. Figure 7.42.
  • Page 48 Operations sequence General instructions cpg.0 ENA range Figure 7.43. Details of the manual driving lever of the disconnector Figure 7.44. Details of the manual driving lever of the earthing switch To carry out any operation on the disconnector shaft, position the interlock in the disconnector position. Figure 7.45.
  • Page 49 General instructions Operations sequence cpg.0 ENA range Connection Initial situation: Disconnector, earthing switch and circuit breaker open. Move the SHUTTERS down to OPEN to insert the manual driving shaft lever with the disconnector open symbol aligned with the “I” in the Disconnector operation area (grey).
  • Page 50 Operations sequence General instructions cpg.0 ENA range Disconnection Insert the lever in the feeder disconnector driving shaft Then turn ANTI-CLOCKWISE. Check that the feeder disconnector status indicator shows opened. Figure 7.50. Starting position of the cpg.0-v disconnector Press the “0” pushbutton to open the circuit-breaker. Figure 7.52.
  • Page 51 General instructions Operations sequence cpg.0 ENA range Earthing Move the SHUTTERS down to OPEN to insert the manual driving shaft lever with the earthing switch open symbol Ensure there is no voltage in the cables. aligned with the “I” in the earthing switch operation area (yellow).
  • Page 52 Operations sequence General instructions cpg.0 ENA range The spring charge status indicator shows “SPRING Operate the “I” pushbutton to close the circuit-breaker. DISCHARGED”. Slide the access interlocking cover to the left The circuit-breaker status indicator will show closed, and and introduce the spring charging lever. the spring charge indicator will once again show “SPRING DISCHARGED”.
  • Page 53 General instructions Operations sequence cpg.0 ENA range Cable test in circuit breaker functions Once the medium-voltage cables have been earthed: 1. Remove the cable compartment cover. a. Remove the 6 fixing screws on the front of the cover. Figure 7.58. Fixing screws of the cable compartment cover b.
  • Page 54 4. Close the circuit-breaker. Once the cable test is complete (a test rod support should be used if required, available from Ormazabal), return to connection position, carrying out the sequence in reverse order: 1. Open the circuit-breaker.

  • Page 55: Bus Section Circuit Breaker (Cpg.0-C)

    General instructions Operations sequence cpg.0 ENA range 7.2.2. Bus section circuit breaker (cpg.0-c) To carry out any operation on the earthing switch shaft, When the disconnector driving mechanism position the selector in earth position. is also motorized, this is fitted with a “MANUAL/MOTOR”...
  • Page 56 Operations sequence General instructions cpg.0 ENA range Busbar coupling operations Initial situation: Disconnector, earthing switch and circuit-breaker open. 1. Move right hand SHUTTERS down to OPEN and insert the lever in the right disconnector driving shaft lever with the disconnector open symbol aligned with the “I”...
  • Page 57 General instructions Operations sequence cpg.0 ENA range 3. Operate the “I” pushbutton to connect the circuit- breaker. The circuit-breaker status indicator shows closed. Whenever the springs are discharged, charge as explained in the section "7.2.1. Circuit breaker (cpg.0-v)" → "Connection". Figure 7.67.
  • Page 58 Operations sequence General instructions cpg.0 ENA range 2. Move left hand SHUTTERS down to OPEN and insert the lever in the left earthing switch driving shaft lever with the earthing switch open symbol aligned with the “I” in the earthing switch operation area (yellow). Then turn it CLOCKWISE.
  • Page 59 General instructions Operations sequence cpg.0 ENA range Earthing of the left busbar Initial situation: Disconnector, earthing switch and circuit-breaker open. 1. Move left hand SHUTTERS down to OPEN and insert the lever in the left disconnector driving shaft lever with the disconnector open symbol aligned with the “I”...
  • Page 60 Operations sequence General instructions cpg.0 ENA range 3. Operate the “I” pushbutton to close the circuit-breaker. The circuit-breaker status indicator shows closed. Whenever the springs are discharged, charged as explained in the section "7.2.1. Circuit breaker (cpg.0-v)" → "Connection". Figure 7.73. Left busbar earthing sequence (iii) To open the earthing connection follow the sequence described in reverse order.

  • Page 61: Safety Elements

    General instructions Safety elements cpg.0 ENA range Safety elements 8.1. Interlocks 8.1.1. Padlocking facilities The different types of locking will depend on the type of cubicle. Interlock device 1. With the padlock in the central position and the interlock device in the disconnector position. This permits access to the disconnector and inhibits access to the earthing switch.
  • Page 62 Safety elements General instructions cpg.0 ENA range 3. With the padlock on the right. This prevents the earthing switch from being selected but allows the disconnector to be selected. Figure 8.3. Padlock on the right 4. With the padlock on the left. This prevents the disconnector from being selected (POI) but allows the earthing switch to be selected.
  • Page 63 General instructions Safety elements cpg.0 ENA range Busbar earthing switch cubicles: Padloking the interlock device 1. With the padlock on the right of the interlock device. This prevents padlocking the POI. Figure 8.6. Padlock on the right of the interlock device 2.

  • Page 64: Maintenance

    MO-109 and MO-128 WITHOUT any driving levers inserted and auxiliary by Ormazabal. supplies isolated. These mechanisms must be inspected when used under The active internal parts of the driving devices and main extreme conditions (dust, salt, pollution).

  • Page 65: Spares And Accessories

    Certain spares and accessories must be installed in the cubicle by specialised personnel. Please check with Ormazabal. IG-273-EN version 03; 05/08/2020...

  • Page 66: Environmental Information

    Therefore, these are legislation. treated as inert industrial waste together with the plastics. gas is not considered as waste, however Ormazabal The materials that make up the cubicle (bases and front, tank, disconnector/earthing switch and driving mechanisms)
  • Page 68 Ormazabal Subject to change Distribución Primaria without prior notice. For further information, AMOREBIETA - ETXANO contact Ormazabal. Spain www.ormazabal.com...

This manual is also suitable for:

Cpg.0-vCpg.0-lCpg.0-cCpg.0-ptCpg.0-rb

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