S&C Scada-Mate SD Installation And Operation Manual
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S&C Scada-Mate SD Installation And Operation Manual

S&C Scada-Mate SD Installation And Operation Manual

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S&C Scada-Mate
®
Outdoor Distribution (14.4 kV and 25 kV)

Table of Contents

Section
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Understanding Safety-Alert Messages . . . . . . . . . . . 3
Following Safety Instructions . . . . . . . . . . . . . . . . . . 3
Replacement Instructions and Labels . . . . . . . . . . . 3
Location of Safety Labels and Tags . . . . . . . . . . . . . 4
. . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
April 22, 2019
© S&C Electric Company 2019, all rights reserved
SD Switching System
Installation and Operation
Upright and Upright with
Extra Mounting Clearance
Page
Section
Inserting Pole-Mounting Hardware . . . . . . . . . . . . . . .8
Switch Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Grounding the Switch . . . . . . . . . . . . . . . . . . . . . . . . 10
Installing Surge Arresters . . . . . . . . . . . . . . . . . . . . . 11
Installing the Control Unit . . . . . . . . . . . . . . . . . . . . . 13
Connecting the Control Cable . . . . . . . . . . . . . . . . . 14
Power-Operated Switch Energization . . . . . . . . . . . . 16
Pushbutton Operation . . . . . . . . . . . . . . . . . . . . . . . . 17
Remote Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Disconnect Operation . . . . . . . . . . . . . . . . 18
Emergency Manual Operation . . . . . . . . . . . . . . . . . 19
Dielectric Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Instruction Sheet 775-510
Page

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  • Page 1: Table Of Contents

    S&C Scada-Mate SD Switching System Upright and Upright with ® Outdoor Distribution (14.4 kV and 25 kV) Extra Mounting Clearance Installation and Operation Table of Contents Section Page Section Page Introduction Installation Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Inserting Pole-Mounting Hardware .

  • Page 2: Introduction

    PDF format at sandc.com/en/support/product-literature/ . Retain this This instruction sheet is a permanent part of your S&C Scada-Mate SD Switching System. Designate a location where you can easily retrieve and refer to this publication. Instruction Sheet...

  • Page 3: Safety Information

    Understanding Several types of safety-alert messages may appear throughout this instruction sheet and on labels and tags attached to the S&C Scada-Mate SD Switching System. Familiarize Safety-Alert yourself with these types of messages and the importance of these various signal words:...

  • Page 4: Location Of Safety Labels And Tags

    Safety Information Location of Safety Labels and Tags Reorder Information for Safety Labels Location Safety Alert Message Description Number Stored-energy operating mechanism and switch base contain WARNING G-6810 fast-moving parts  .  .  . NOTICE For manual operation, pull ring using a hookstick . G-6811 ●...

  • Page 5: Safety Precautions

    Safety Precautions DANGER Scada-Mate SD Switching Systems carry high voltage. Failure to observe the precautions below will result in serious personal injury or death. Some of these precautions may differ from your company’s operating procedures and rules . Where a discrepancy exists, follow your company’s operating procedures and rules .

  • Page 6: Shipping And Handling

    Shipping and Handling Packing The S&C Scada-Mate SD switch shipment will include the following items: • A three-pole group-operated integer style Scada-Mate SD switch, complete with an interphase drive and stored-energy operating mechanism (or hookstick-operating mechanism), factory-assembled on a single base •...

  • Page 7: Handling

    Secure the lifting slings to the switch before Raised slots for lift forks unbolting the switch from the crate. Remove all Figure 1. A Scada-Mate SD switch in its shipping crate. packing materials before lifting the switch. NOTICE Do not lift the switch by rigging on the...

  • Page 8: Installation

    Installation Inserting Pole-Mounting Hardware Follow these steps when installing the pole-mounting hardware: STEP 3. Drill two / -inch (17-mm) diameter holes in the front of the utility pole at the desired height for mounting the switch. See Figure 3. Refer to the catalog drawing.

  • Page 9: Switch Installation

    Installation Switch Installation Lifting sling Follow these steps when installing the Scada-Mate SD switch: STEP 5. Handle and lift the switch per the “Handling” section on page 7. When the switch is hoisted to mounting level, guide the switch so the through- bolts projecting from the utility pole slip into the holes in the pole-saddle.

  • Page 10: Grounding The Switch

    Installation WARNING To maintain proper electrical clearance, make sure the lifting bracket is placed in the retracted position after the installation . Failure to do so may increase the risk of flashover. Optional extension link assemblies, if supplied, are shipped assembled to the switch. Grounding lug Grounding the Switch Use the following procedure when grounding the Scada-...

  • Page 11: Installing Surge Arresters

    Torque S&C connectors Plated terminal pad to between 40 and 50 ft-lbs. CAUTION Figure 8. The Scada-Mate SD switch terminal pad. The discon- nect pad is shown. Do not wire-brush the surfaces. DO NOT apply excessive load to the terminal pads .

  • Page 12: Installing Optional Wildlife Protection Components

    Installation Installing Optional Wildlife Protection Components If the Scada-Mate SD Switch is supplied with optional wildlife protection (catalog number suffix “-W”), all protective components are assembled to the switch except those for the terminal pads. The terminal pad components are shipped unassembled from the switch and must be installed after the conductors are attached to the terminal pads.

  • Page 13: Installing The Control Unit

    Installation Installing the Control Unit Before connecting the control cable and energizing the Scada-Mate SD switch, install the control unit to be used with the switch. Also complete all connections associated with the control unit. This instruction sheet provides a general overview of the installation of control units of S&C...

  • Page 14: Connecting The Control Cable

    . Save the shorting blocks and cable plug cover for future use . STEP 16. An optional liquid-tight control cable may be included with the Scada-Mate SD switch for Clips Clips connection of the switch to the control unit.
  • Page 15 Installation STEP 18. Form a drip loop with the control cable where it attaches to the control unit. (a) Maintain a 9-inch (229-mm) minimum radius when bending the control cable at the drip loop and at the switch connection. (b) Attach the control cable along the length of the utility pole and secure the control cable to the utility pole using suitable guards or clamps.

  • Page 16: Power-Operated Switch Energization

    Before energization times when energized, the Scada-Mate SD switch base and control unit enclosure, if provided, must be connected to a suitable earth ground at the base of the pole and bonded to the system neutral, if present . Proper precautions must be taken to ensure that the local earth ground cannot be severed or removed .

  • Page 17: Operation-For Switches With Power Operator

    The indicator does not show status of the disconnects. Remote Operation The switch control includes OPEN/CLOSE Use the following procedure to set up the Scada-Mate SD pushbuttons, switch-position indicating switch for remote operation: lamps, disconnect closed and latched indicating lamps, a LOCAL/REMOTE STEP 22.

  • Page 18: Optional Disconnect Operation

    Prong or equivalent. STEP 23. Verify the switch is open by checking the OPEN/ Figure 17. The Scada-Mate SD switch in the Open position. CLOSE indicator on the end of the switch. See Figure 17. Place the LOCAL/ REMOTE switch inside the control unit in the Local position before operating the disconnect.

  • Page 19: Emergency Manual Operation

    Closed state. Hookstick Emergency Manual Operation STEP 26. Scada-Mate SD Switches are capable of manual interrupter operation. In the event of electrical power loss, a standard or extendible hookstick is used to open and close the interrupters. If the spring is fully discharged, pull on the operating...

  • Page 20: Dielectric Testing

    14 .4 and are near the flashover voltage of the equipment. They ● should be applied only when the Scada-Mate SD switch is ① The 14 .4-kV test values are limited by the internal sensor spark-gap completely de-energized and disconnected from all power rating .

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