ABB OVR-15 Instruction, Operation And Maintenance Manual

Outdoor vacuum recloser high voltage unit with sel-751

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D I S T R I B U T I O N S O LU T I O N S
OVR-15, 27 and 38 outdoor vacuum
recloser high voltage unit with SEL-751
Instruction, operation
and maintenance manual

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Summary of Contents for ABB OVR-15

  • Page 1 — D I S T R I B U T I O N S O LU T I O N S OVR-15, 27 and 38 outdoor vacuum recloser high voltage unit with SEL-751 Instruction, operation and maintenance manual...
  • Page 2 O V R - 1 5 , 2 7 A N D 3 8 O U T D O O R VA C U U M R E C L O S E R H I G H VO LTA G E U N I T W I T H S E L7 5 1 —...
  • Page 3: Table Of Contents

    11.2 OVR-27 HV cabinet with single voltage sensing general arrangement 11.3 OVR-27 HV cabinet with dual voltage sensing general arrangement 11.4 OVR-38 HV cabinet general arrangement 12 Recommended spare parts 12.1 Table 4: List of recommended spare parts for OVR-15, 27 and 38 recloser...
  • Page 4: Introduction

    1 Introduction This manual contains the information needed 1.1. Environmental protection program to install the high voltage (HV) unit of the OVR-15, The OVR-15, 27 and 38 reclosers are manufactured 27 and 38 auto reclosers and put them into service.
  • Page 5: End Of Life Recycle/Disposal

    High-grade energy additive in refuse incineration 1.4. Product-related safety notices Detailed descriptions of standard repair The OVR-15, 27 and 38 reclosers should be installed procedures, safety principles and service within the design limitations as described on the operations are not included. It is important to note unit’s nameplate and in these instructions.
  • Page 6: Working On Hv Cabinets And Mandatory Safety Procedures

    O V R - 1 5 , 2 7 A N D 3 8 O U T D O O R VA C U U M R E C L O S E R H I G H VO LTA G E U N I T W I T H S E L7 5 1 1.5.
  • Page 7: Packing And Transport

    — — 2.2 Documents Documents provided with the recloser during dispatch include: • Instruction manual • Routine test certificate • Drawings • Packing list • Other documents as mutually agreed in contract with ABB...
  • Page 8: Receipt And Storage Prior To Installation

    If the recloser is not placed into service immediately, it is essential that proper care be exercised in handling and storage to ensure good operating condition in the future. Please consult ABB if the recloser will be in storage for an extended period of time before installation.
  • Page 9: Handling

    R E C E I P T A N D S TO R A G E P R I O R TO I N S TA L L AT I O N — 3.3 Handling 03 HV cabinet lifting details Each HV cabinet comes with lifting brackets on the sides of the cabinet for lifting.
  • Page 10: Technical Details

    4 Technical details These operating instructions are applicable After a pre-configured open interval time, the to the HV unit of the OVR-15, 27 and 38 medium recloser will close again. If the tripping condition voltage, three-phase, mechanically gang-operated still exists, the recloser will trip again and reclose.
  • Page 11: General Description Of Ovr-15, 27 And 38 Recloser

    5.1 High voltage assembly 5.1.1 Housing 04 OVR-15 HV cabinet overview The high voltage assembly of the OVR-15, 27 and 38 The HV unit housing is a stainless steel enclosure — consists of three poles mounted onto a common with a removable bottom cover. This housing is...
  • Page 12: Recloser Pole

    (CT), and voltage (U) sensing uses a voltage divider. for details. The sensor secondary connections are brought out of the pole via shielded cables. OVR-15 and 27 offer 5.1.6 Mechanical ON/OFF position indicator the option for either single or dual voltage sensing The HV cabinet includes a mechanical ON/OFF per pole.
  • Page 13: Standard Production Tests

    G E N E R A L D E S C R I P T I O N O F O V R -1 5 , 2 7 A N D 3 8 R E C LO S E R , S TA N D A R D P R O D U C T I O N T E S T S — 6 Standard production tests Routine tests are performed on the OVR-15, 27 and 38 reclosers with the HV unit connected to its dedicated LV unit. The standard factory production tests include: 1.
  • Page 14: Installation

    Experience indicates that a vacuum interrupter with vacuum seal intact will withstand 40 kV AC (80% of 50 kV) for OVR-15, 45 kV AC (80% of 60 kV) for OVR-27 and 56 kV AC (80% of 70 kV) for OVR-38 across the open contacts.
  • Page 15: Contact Resistance

    VT mounting brackets are on the pole. 4. Make sure all hardware is fastened securely. If the vacuum interrupter/complete pole needs to be replaced, please contact ABB. Do not exceed 750 N cantilever force on any of the bushing terminals in any direction. Failure to comply will result in permanent damage.
  • Page 16 O V R - 1 5 , 2 7 A N D 3 8 O U T D O O R VA C U U M R E C L O S E R H I G H VO LTA G E U N I T W I T H S E L7 5 1 — 10 General arrangement for OVR-15, flag-type mounting structure —...
  • Page 17 I N S TA L L AT I O N — 11 General arrangement for OVR-27 and 38 with flag-type structure mounting — The height of the pole structure and recloser location shown are for reference only. These will vary depending on the user’s installation.
  • Page 18: Grounding

    2. All devices interfacing with the LV cabinet, connections proposed Always follow international, national, local and including HV cabinet (recloser), auxiliary power for OVR-15, 27, 38 pole- mounted arrangement company-specific regulations when grounding transformer (PT), surge arrestors, etc., must the equipment.
  • Page 19: Arrester Protection

    The recloser is connected in series with the line. The medium voltage line conductors are to be connected to the OVR terminal H1 be torqued between 50 to 60 NM (442 to 531 inch lbf). Respective H1 and H2 terminals Line connections for OVR-15 and OVR- &...
  • Page 20: Final Inspections Before Energizing

    O V R - 1 5 , 2 7 A N D 3 8 O U T D O O R VA C U U M R E C L O S E R H I G H VO LTA G E U N I T W I T H S E L7 5 1 7.6 Final inspections before energizing The recloser should be tested for mechanical and electrical operation before it is energized in the...
  • Page 21: Recloser Operation

    The OVR-15, 27 and 38 reclosers can be closed electrically via the pushbutton on the SEL-751 The OVR-15, 27 and 38 reclosers have a safe and front-panel HMI. For safety reasons, the OVR-15, secure manual trip arrangement. When the recloser...
  • Page 22: Inspection And Maintenance

    O V R - 1 5 , 2 7 A N D 3 8 O U T D O O R VA C U U M R E C L O S E R H I G H VO LTA G E U N I T W I T H S E L7 5 1 — 9 Inspection and maintenance The OVR-15, 27 and 38 reclosers require minimal Maintenance work must only be carried out by maintenance if handled properly. Frequency of...
  • Page 23: Typical Rating Plate Details

    I N S P E C T I O N A N D M A I N T E N A N C E , T Y P I C A L R AT I N G P L AT E D E TA I L S — 10 Typical rating plate details 10.1 Rating plate on OVR HV cabinet Description Product Product name OVR-15 HV cabinet OVR-27 HV cabinet OVR-38 HV cabinet Rated voltage 15.5 kV 27 kV 38 kV...
  • Page 24: General Arrangement Drawings

    O V R - 1 5 , 2 7 A N D 3 8 O U T D O O R VA C U U M R E C L O S E R H I G H VO LTA G E U N I T W I T H S E L7 5 1 — 11 General arrangement drawings 11.1 OVR-15 HV cabinet general arrangement...
  • Page 25: Ovr-27 Hv Cabinet With Single Voltage Sensing General Arrangement

    G A O F H V C A B I N E T D R A W I N G S 11.2 OVR-27 HV cabinet with single voltage sensing general arrangement...
  • Page 26: Ovr-27 Hv Cabinet With Dual Voltage Sensing General Arrangement

    O V R - 1 5 , 2 7 A N D 3 8 O U T D O O R VA C U U M R E C L O S E R H I G H VO LTA G E U N I T W I T H S E L7 5 1 11.3 OVR-27 HV cabinet with dual voltage sensing general arrangement...
  • Page 27: Ovr-38 Hv Cabinet General Arrangement

    G A O F H V C A B I N E T D R A W I N G S 11.4 OVR-38 HV cabinet general arrangement...
  • Page 28: Recommended Spare Parts

    — 12 Recommended spare parts The following spares should be kept in stock to address any contingency. — 12.1 Table 4: List of recommended spare parts for OVR-15, 27 and 38 reclosers Description Part no. Displayed as Auxiliary limit switch for position indication, 1 NO + 1 NC...
  • Page 29 R E C O M M E N D E D S PA R E PA R T S — Notes...
  • Page 30 ABB is not liable for any such damages and/or losses. This product is intended to be operated and maintained...
  • Page 32 ABB US Norberto Lopez 3600 305 Gregson Drive El Jagüel, Buenos Aires Cary, NC 27511 B1805ABT, Argentina Email: customer.service.group@us.abb.com Phone: +54 11 5984 3560 Email: ar-epdsgarantia@abb.com © Copyright 2023 ABB Inc. All rights reserved. Specifications subject to change without notice.

This manual is also suitable for:

Ovr-27Ovr-38

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