1. Manuals
  2. Brands
  3. Southern States Manuals
  4. Switch
  5. RDA
  6. Installation instructions manual

Southern States RDA Installation Instructions Manual

Double end break disconnect switch
Hide thumbs Also See for RDA:
Table of Contents

Advertisement

Quick Links

Types RDA & RDA-1
Double End Break
Disconnect Switch
69 kV - 230 kV,
All Ampere Ratings
INSTALLATION &
INSTRUCTION
MANUAL

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RDA and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Southern States RDA

Summary of Contents for Southern States RDA

  • Page 1 Types RDA & RDA-1 Double End Break Disconnect Switch 69 kV - 230 kV, All Ampere Ratings INSTALLATION & INSTRUCTION MANUAL...
  • Page 2 Page I The Quality Name in High Voltage Switching...
  • Page 3 Please ensure that you are using the latest installation and maintenance instructions. If you do not understand any part of these instructions or need assistance, contact Southern States Service Division at 770-946-4562 during normal business hours (8:00am – 4:30pm EST, M-F) or 770-...
  • Page 4 The purchaser (“Purchaser”) of certain Equipment (the “Equipment”) identified in the Instruction Manual accompanying these Terms of Use sold by Southern States, LLC (“Southern States”), by Purchaser’s acceptance or Use of Equipment in any way, agrees to the Terms of Use set forth below (the word “Use” herein means receipt, testing, inspection, installation, operation, maintenance and...
  • Page 5 The Quality Name in High Voltage Switching LIMITED WARRANTY Southern States, LLC (“SSLLC”) warrants only to the Warranty Holder (hereinafter defined as the “End User” or the “Immediate Purchaser”, as applicable, pursuant to the terms and conditions of this Limited Warranty as set forth below), that the Product identified below will, upon shipment, be free of defects in workmanship and material for the applicable Warranty Period.
  • Page 6 Page V The Quality Name in High Voltage Switching...
  • Page 7 Page VI The Quality Name in High Voltage Switching Type RDA, RDA-1 Double End Break Disconnect Switch 69 kV – 230 kV...

  • Page 8: Table Of Contents

    Page VII The Quality Name in High Voltage Switching Table of Contents Chapter Page Summary & Introduction ........................1 Important ............................1 Summary ............................1 Introduction ............................ 2 Product Description ........................... 3 Typical Switch ..........................3 Ratings .............................. 2 Receiving, Handling & Storage ......................3 Receiving &...
  • Page 9 Page VIII The Quality Name in High Voltage Switching List of Tables and Figures Tables Page Table 1: Recommended Installation & Maintenance Table .............. 15 Figures Page Figure 1: Typical Double End Break Disconnect Switch & Common Terminology ......3 Figure 2: Hinge Assembly Match Mark (115 –...

  • Page 10: Summary & Introduction

    Southern States Representative. The contents of this instruction manual should not become part of or modify any prior or existing agreement, commitment or relationship.

  • Page 11: Introduction

    The instructions contained within this manual are necessary for the safe installation, maintenance, and operation of the RDA and RDA-1 switch. A qualified person, familiar with this of type equipment, should carefully read and follow the instructions.

  • Page 12: Product Description

    Page 3 of 17 Product Description Product Description Typical Switch The RDA and RDA-1 switch consist of the following single pole assemblies: • Live Parts (A) – Switch jaws, switch blade, hinge mechanism, & arcing horns Base • • Insulators •...

  • Page 13: Ratings

    Page 2 of 17 Ratings Ratings RDA Ratings Maximum 123 kV 145 kV 170 kV 245 kV 362 kV 550 kV 800 kV Voltage Rating 550 kV 650 kV 750 kV 900 / 1050 kV 1050 / 1300 kV 1550 / 1800 kV...

  • Page 14: Receiving, Handling & Storage

    Storage All components of the RDA and RDA-1 double end break disconnect switch are suitable for outdoor use and do not have any special storage requirements. If a motor operator is furnished be sure to connect the heater circuit, using the provided external wiring, while the unit is in storage.

  • Page 15: Installation & Adjustment Procedures

    Page 4 of 17 Installation & Adjustment Procedures Installation & Adjustment Procedures Preferred Switch Assembly Method 1. Uncrate the switches, remove the shipping ties, and check for damage in transit. If any damage is found, immediately file a claim with the carrier and notify the factory. 2.
  • Page 16 Page 5 of 17 Installation & Adjustment Procedures 3. Rotate the switch arm to relieve the contact pressure on the switch blade. Remove the live parts from the adaptors and save the bolts for re-use (if they are of a type specified on the unit assembly drawing for insulator mounting –...
  • Page 17 Page 6 of 17 Installation & Adjustment Procedures Figure 5: Jack Screw Adjustment Procedure To adjust the insulator stack, first loosen all four nuts (A). Tilt the insulator to the required position by screwing up or down on nuts (B). Re-tighten nuts (A). NOTE: When adjusting jack screws, it is important that the actual height of the insulator remain the same.
  • Page 18 Page 7 of 17 Installation & Adjustment Procedures Figure 7: Adjusting the Rotating Insulator for Concentric Rotation (230 kV only) For 161 kV & below, use levels or plumb lines to true the rotating insulator Step 1: Rotate the insulator up against a bearing stop and position the reference point over the center of the insulator top.

  • Page 19: Proper Contact Engagement

    Page 8 of 17 Installation & Adjustment Procedures 6. Mount the hinge and blade assembly as shown in figure 8. Be sure that the match marks made earlier are aligned. The jaws also may be mounted at this time. NOTE: If applicable, at this time, also mount accessories such as: grounding switch jaw, quick break device, outriggers, etc.
  • Page 20 Page 9 of 17 Installation & Adjustment Procedures Figure 10: Blade Tip Figure 11: Blade Rotation Note that the blade is sitting on the bump stop as mentioned in Figure 9. A. The blade tips must hit the stops in the jaws simultaneously. Misalignments can be corrected by tilting the jaw insulator stacks with the jack screws.
  • Page 21 Page 10 of 17 Installation & Adjustment Procedures 9. If the adjustments described in step 7 were made while the switch was on the ground, carefully check contact engagement after the switch is bolted to the structure and the conductors are attached. NOTE: Final adjustment usually cannot be made on these switches until the conductors are attached, because conductor loads often pull tall insulator stacks several inches out of plumb.
  • Page 22 Page 11 of 17 Installation & Adjustment Procedures Figure 15: Improper Arcing Horn Adjustment Improper adjustment allows arcing horn to drop into blade path. This could cause contact overheating. 11. When all adjustments are made, install the operating mechanism as directed in the following section:...

  • Page 23: Operating Mechanism

    Page 12 of 17 Installation & Adjustment Procedures Operating Mechanism A – Motor or Manual Operator B – Vertical Pipe C – Bearing Mounting Bracket D – Vertical Bearing with Bushing E – Pipe Collar (See Cautionary Note – Figure 18) F –...
  • Page 24 Page 13 of 17 Installation & Adjustment Procedures NOTE: On some installations you will find self-piercing set screws in the pipe clevises. These screws should be tightened to only grip the pipe during initial adjustments: Do not pierce the pipe until directed to do so. Adjust the switch by the driven phase first.

  • Page 25: Operating Mechanism Adjustment

    Page 14 of 17 Installation & Adjustment Procedures Operating Mechanism Adjustment 1. The adjustable arm should travel at least 180 from toggle closed to toggle open. Manually test operate. 2. If the switch does not fully open, the radius of the arm is too short. To correct: a.

  • Page 26: Recommended Inspection & Maintenance

    Recommended Inspection & Maintenance Recommended Inspection & Maintenance The RDA and RDA-1 have been designed to operate with minimal maintenance. Periodic inspection is important for satisfactory operation. Frequency of inspection and maintenance depends on the installation site, weather and atmospheric conditions, experience of operating personnel and special operation requirements.

  • Page 27: Patrolling Inspection (6 Months)

    Page 16 of 17 Recommended Inspection & Maintenance Patrolling Inspection (6 Months) The patrolling inspection is a largely visual inspection on an energized unit in service. The frequency of the inspection is determined by the local conditions and policies of the owner of the equipment.

  • Page 28: Appendix

    Page 17 of 17 Appendix Appendix Appendix A: General Installation Notes Threaded Clevises When threaded clevises are specified, one is generally attached to the adjustable arm, and two more to the center phase switch arm. (Refer to the plan view of the operating mechanism drawing, and the Illustration above.) Operating mechanism adjustments consist mainly of incremental lengthening and/or shortenings of the pipes that connect the switch arms together.
  • Page 30 30 Georgia Avenue Hampton, Georgia 30228 Phone: 770-946-4562 Fax: 770-946-8106 E-mail: support@southernstatesllc.com http://www.southernstatesllc.com ©2020 Southern States IB-111-RDA RDA1 230 R2 08052020 Printed U.S.A.

This manual is also suitable for:

Rda-1

Table of Contents