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S&C 2000 Series Installation And Operations
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S&C 2000 Series Installation And Operations

S&C 2000 Series Installation And Operations

Circuit-switchers
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S&C Series 2000 Circuit-Switchers
Outdoor Transmission (69 kV through 230 kV)

Table of Contents

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July 1, 2024
© S&C Electric Company 1986-2024, all rights reserved
Installation and Operation
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Model 2010-With Horizontal
Interrupters and a Vertical-Break,
Power-Operated Disconnect
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Instruction Sheet 716-501
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Summary of Contents for S&C 2000 Series

  • Page 1: Table Of Contents

    Model 2010—With Horizontal S&C Series 2000 Circuit-Switchers Interrupters and a Vertical-Break, Outdoor Transmission (69 kV through 230 kV) Power-Operated Disconnect Installation and Operation Table of Contents Introduction Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

  • Page 2: Introduction

    Introduction Qualified Persons WARNING Only qualified persons knowledgeable in the installation, operation, and maintenance of overhead and underground electric distribution equipment, along with all associated hazards, may install, operate, and maintain the equipment covered by this publication . A qualified person is someone trained and competent in: ●...

  • Page 3: Operating Considerations

    Introduction Operating Series 2000 Circuit-Switchers will perform as intended at temperatures within the range of -40°C (-40°F) to +40°C (104°F), or –35°C (-31°F) to +40°C (104°F) for 161-kV and 230-kV Considerations models, at altitudes of up to 5000 feet (1524 m) and at wind loadings of up to 90 miles per hour (145 kmph).

  • Page 4: Safety Information

    Safety Information Safety Information Understanding Several types of safety-alert messages may appear throughout this instruction sheet and on labels and tags attached to the product. Become familiar with these types of messages and Safety-Alert the importance of these various signal words: Messages DANGER “DANGER”...

  • Page 5: Location Of Safety Labels

    Safety Information Location of Safety Labels Ç CAUTION This shield must be removed during instal- lation—but only when indicated in the S&C instruction sheet fur- nished with this Circuit-Switcher. S&C ELECTRIC COMPANY CHICAGO. ILLINOIS G-6043-Rev. 001 MADE IN U.S.A. Ç WARNING DO NOT remove steel outer wrapper until installation is complete.
  • Page 6 Safety Information Ç CAUTION Do not attempt to close Circuit-Switcher using manual trip lever. Damage to mechanism may result. S&C ELECTRIC COMPANY CHICAGO ILLINOIS G-6222 Rev. 001 CONTROL VOLTAGE: 48V DC CAUTION: Polarity Must Be Maintained S&C Series 2000 Circuit-Switcher Models 2030 CAUTION Do not apply control voltage to this device or manually operate it until installation has been –...
  • Page 7 Safety Information Reorder Information for Safety Labels Location Safety Alert Message Description Part Number CAUTION Transition box contains a stop bracket and spacer… G-5807 ● CAUTION This shield must be removed during installation . . . G-6043-Rev .001 ■ WARNING Do not remove…...

  • Page 8: Safety Precautions

    Safety Precautions Safety Precautions DANGER Series 2000 Circuit-Switchers operate at 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 9: Shipping And Handling

    Shipping and Handling Inspection Packing Examine the shipment for damage as soon after receipt An S&C catalog drawing will be found in a water-resistant as possible, preferably before removal from the carrier’s envelope attached to the wrapper around one of the insu- conveyance.

  • Page 10: Storage

    Shipping and Handling Storage The shipment contains: ● Three pole-units each consisting of an interrupter, an NOTICE insulating support column, a support insulator, and a base – all factory-assembled and adjusted Connect control power to the switch operator when storing it outdoors . The switch operator is equipped ●...

  • Page 11: Installation

    Installation Insulating Transition Disconnect blade Single-gap SF puffer- Pressure- support column type interrupter relief device and low-gas- pressure indicator (not visible in photo) Low-speed disconnect power train Channel base Switch-position High-speed interrupter indicator power train enclosed in steel-sheathed box-type high-speed base Support-arm Operator channel assembly...

  • Page 12: Before Starting

    Installation Before Starting WARNING Cut the steel straps that bind the mounting STEP 1 . pedestals to the high-speed base, the straps Do not remove the metal wrappers from the that bind the container of mis cellaneous oper- interrupters until the installation has been completed . ating-mechanism components and hard ware, If removed, personal injury and property damage and the straps that bind the pole-units.

  • Page 13: Installing The Mounting Pedestals And High-Speed Base

    Installation Installing the Mounting Pedestals Two nuts and two flat and High-Speed Base washers Install each pedestal as follows: Pedestal provide leveling Anchor bolts means CAUTION Concrete The foundations and anchor bolts for S&C Mounting Pedestals must be designed to meet the loading limits specified in S&C Data Bulletin 716-61 .
  • Page 14 Installation Attach four suitable lifting slings to the high- STEP 3 . speed base. See Figure 5. Unbolt the base from the shipping skid and lift the base atop the High-speed base Bolts mounting pedestals, as shown on the catalog drawing. Shims Avoid sudden starts and stops.

  • Page 15: Installing The Switch Operator

    Installation Installing the Switch Operator Bottom plate CAUTION DO NOT attempt to set the operator upright by slinging to the skid . The skid is not designed to carry the weight of the switch operator . Damage to the operator and minor personal injury may result . Loosen the 1/2—13×11/4-inch galvanized steel STEP 1 .
  • Page 16 Installation Wrap a lifting sling around the stored-energy STEP 2 . housing of the operator, as shown in Figure 9 (left). Now, carefully raise the operator to the Upright position so it rests on its base skid, as shown in Figure 9 (right). Remove the skid and bracing that runs the length of the operator, stored-energy housing, and operator support tube.
  • Page 17 Installation Reposition the lifting sling around the front of Attach the operator support angle to the STEP 3 . STEP 4 . the stored-energy housing and wrap another appropriate mounting pedestal using two lifting sling around the back of the stored-en- 5/8—11×14-inch hex-head galva nized steel ergy housing, as shown in Figure 10.

  • Page 18: Installing The Pole Units

    Installation Installing the Pole Units For circuit-switchers rated 69 kV through STEP 1 . 138 kV: Refer to the catalog drawing and attach the interrupter-end and disconnect-end NOTICE support arm channel assemblies to the ● support arms using clip angles, The pole-units are numbered “Pole 1,” “Pole 2,” and 1/2—13×13/4-inch hex-head galvanized steel cap “Pole 3 .
  • Page 19 Installation For circuit-switchers rated 69 kV through (a) Make sure the rigging does not stress the STEP 2 . 138 kV: Attach four suitable lifting slings to inter rupter, transition box, or disconnect. the channel base of the pole-unit that will Unbolt the base from the skid. Raise the be mounted at the center of the high-speed pole-unit a few feet, and then remove the base—marked “Pole 2”—as shown in Figure 11...
  • Page 20 Installation (e) Attach the pole-unit channel base to the (b) Remove the 1/2-inch silicon-bronze pin and discon nect-end support arm channel cotter pin from the insu lated operating rod assembly and retain these for re-use in Step 1(d) on ● page 22. Discard the shipping bracket For circuit-switchers rated 69 kV and associated hard ware.

  • Page 21: Connecting The Pole-Units To The High-Speed Power Train

    Installation Connecting the Pole-Units to the High-Speed Power Train 5�16—18×¾ -inch hex-head stainless steel cap screws for access cover (removed) Prepare the insulated operating rod of each STEP 1 . Operating rod link pole-unit for attachment to the interphase drive in the high-speed base as fol lows: Transition (a) Remove the six 5/16—18×3/4-inch hex-head lever...
  • Page 22 Installation Carefully turn the transition lever to the Open position. If the transition lever Insulated operating rod end-links cannot be freely rotated to its fully Coun- terclockwise position, misalignment of the inter phase drive is occurring in the high-speed base. Swing the insulated operating rod end links up, away from the interphase drive linkage lever, and again try rotating the transition lever to...

  • Page 23: Connecting The Operator To The High-Speed Power Train

    Installation Connecting the Operator to the High-Speed Power Train Adjustable locking rod (marked with a black/yellow-striped label) Attach the uni-ball coupling on the operator STEP 1 . connecting link to the interphase drive lever in the high-speed base using the 3/4-inch stainless steel pin and cotter pin retained from Step 1 Interphase on page 15.
  • Page 24 Installation Make sure the insulating support column drive STEP 3 . lever at each pole-unit is turned completely in the blade-closing direction. Connect the factory-adjusted inter phase pipe assembly to the center pole-unit insulating support column drive lever using a 1/2-inch stainless steel pin, two galvanized steel spacers, and two stainless steel “X”...
  • Page 25 Installation Verify at each outboard pole-unit insu- lating support column the clearance between the rotating-spindle closed-stop bolt and the bumper is 1/16-inch (2 mm) or less. See Figure 18 (left). (At the center pole-unit insu- lating support column, the closed-stop bolt must touch the bumper.) If the clearance between the closed- stop bolt and the bumper exceeds 1/16 -inch (2 mm) at either outboard pole-unit...
  • Page 26 Installation Attach the clevis end of the interphase drive STEP 4 . link to the longer of the bell-crank arms on the high-speed base using a 1/2-inch stainless steel pin and the cotter pin furnished. See Figure 16 on page 24. Attach the “C”-shaped clevis at the lower end STEP 5 .
  • Page 27 Installation Use the manual charging handle furnished STEP 6 . with the opera tor to check the functioning of Disconnect- of disconnect blade the low-speed power train, as follows. Refer to blade tongue contact Figure 32 on page 37. (a) Open the access shutter and place the manual charg ing handle on the manual charging shaft.

  • Page 28: Connecting Conductors

    Installation (c) Continue to rotate the shaft, clockwise (b) Wire-brush each terminal pad and apply only, until feeling a firm resistance. At this a coating of Penetrox A. Then, bolt the point, the disconnect blades should be connectors to the terminal pads. open past 90 degrees.

  • Page 29: Setting Up The Operator And Checkout

    Installation Setting up the Operator and Checkout (d) Connect the external control-circuit wiring (including the space-heater source leads) to the terminal blocks at the bottom of CAUTION the enclosure in accordance with the wiring diagram furnished. Observe correct Unauthorized changes should not be made in the wiring of the operator .
  • Page 30 Installation Side access door for user’s external connections (to Manual trip lever terminal blocks at bottom of enclosure) TRIP and CLOSE pushbuttons POSITION INDICATING lamps (catalog number suffix “-M”) Instruction manual holder Non-reset electric operation counter Access shutter Spare fuses Manual operating shaft CHARGED and DISCHARGED...
  • Page 31 Installation Side access door Motor contactors Auxiliary switch Figure 24 . Series 2000 Switch Operator side-access panel . S&C Instruction Sheet 716-501...
  • Page 32 Installation Perform final checkout as detailed below: (b) In the high-speed base: STEP 2 . ○ Each insulated operating rod has been NOTICE con nected to the interphase drive. See Figure 14 on page 22. Check the following . Failure to do so can ○...
  • Page 33 Installation (c) At the operator: ○ Blocking has been removed from the motor con tactors. See Figure 26. Surge suppressor out of place . Push ○ Check the open and close motor the surge support (if contactors and surge suppressor to present) back into place .
  • Page 34 Installation Insert the motor-and-closing circuit fuse holder. STEP 5 . Then, close the control-source disconnect KNIFE switch. See Figure 28. switch Press the CLOSE button. The motor-driven STEP 6 . ● cam in the stored-energy mechanism will immediately start retracting. Simultaneously, the take-off shaft at the rear of the operator housing will turn to drive the interphase pipe assembly, closing the disconnect.

  • Page 35: Adjusting Auxiliary-Switch Contacts

    Installation Adjusting Auxiliary-Switch Contacts When the circuit-switcher is ready to be placed STEP 9 . in service, the motor-and-closing circuit fuses Two individually adjustable auxiliary-switch contacts can—at the user’s option—be replaced with the are furnished in the operator. These contacts follow the slugs furnished.

  • Page 36: Operation

    Operation Understanding Trip-Free Operation The stored-energy mechanism has an instantaneous trip-free capability. If the Series 2000 Circuit-Switcher is closed into a fault sensed by the user-furnished relaying, the mechanism will immediately trip. To accomplish trip- free operation, the stored-energy mechanism uses two spring assemblies: one for closing and one for opening.

  • Page 37: Manual Operation

    Operation The switch-position indicator on the high-speed base will move to the Closed position. Further, if the posi- tion-indicating lamp option has been specified, the red lamp will light. The circuit-switcher may also be electronically operated via remotely located control switches. No Access instructions are included for such operations because shutter...

  • Page 38: Decoupling

    Operation Manual closing of the interrupters cannot be performed. When control power returns, if the disconnect Vertical- Vertical- has not been opened manually, the motor-driven cam in operating- operating- the stored-energy mechanism will charge the opening and pipe pipe closing springs, and the take-off shaft will turn to drive assembly assembly the interphase pipe assembly, opening the disconnect.

  • Page 39: Understanding The Gas-Pressure Indicator And Safety Relief Device

    Operation Understanding the Gas-Pressure Indicator and Safety Relief Device PRESSURE Series 2000 Circuit-Switchers have sealed interrupters indicator containing gas under pressure. Loss of gas pressure may result in improper interrupting action. Low gas pressure is signaled by a red target in the gas-pressure indicator at the upper terminal end of the interrupter.

  • Page 40: Inspection Schedule And Procedure

    Inspection Schedule and Procedure Inspection Schedule and Procedure To ensure the Series 2000 Circuit-Switcher’s continued proper performance, it should be inspected in accordance with S&C’s recommended schedule and procedures contained in S&C Instruction Sheet 716-590. S&C Instruction Sheet 716-501...

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2010