S&C 2000 Series Installation And Operation Manual
Circuit-switchers. outdoor transmission
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Also See for 2000 Series:
- Installation & operation manual (37 pages) ,
- Installation and operation manual (32 pages) ,
- Installation and operations (30 pages)
Table of Contents
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S&C Series 2000 Circuit-Switchers
Outdoor Transmission
Table of Contents
Section
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet . . . . . . . . . . . . . . . . . . . . . . 2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Usual Operating Conditions . . . . . . . . . . . . . . . . . . . . . . 2
Special Warranty Provisions . . . . . . . . . . . . . . . . . . . . . . 3
Warranty Qualifications . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Understanding Safety-Alert Messages . . . . . . . . . . . . . . 4
Following Safety Instructions . . . . . . . . . . . . . . . . . . . . . 4
Replacement Instructions and Labels . . . . . . . . . . . . . . . 4
. . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Before Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Installing the Operator . . . . . . . . . . . . . . . . . . . . . . . . . 14
Installing the Disconnect Pole-Units . . . . . . . . . . . . . . . 16
Installing the Interrupters . . . . . . . . . . . . . . . . . . . . . . . 18
January 23, 2017
© S&C Electric Company 1993-2017, all rights reserved
Model 2020 - With Vertical Interrupters
and Side-Break Power-Operated Disconnect
69 kV through 138 kV
Installation And Operation
Page
5
Section
Installation-Continued
Connecting Conductors . . . . . . . . . . . . . . . . . . . . . . . . 27
Remove the Interrupter Containers . . . . . . . . . . . . . . . . 27
Setting up the Operator and Checkout . . . . . . . . . . . . . 28
Adjusting Auxiliary-Switch Contacts . . . . . . . . . . . . . . . 33
Understanding Trip-Free Operation . . . . . . . . . . . . . . . . 34
Electrical Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Manual Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Gas-Density Monitor . . . . . . . . . . . . . . . . . . . . . . . . 37
Inspection Recommendations . . . . . . . . . . . . . . . . . . . 37
Instruction Sheet 716-504
Page
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Table of Contents
Related Manuals for S&C 2000 Series
Summary of Contents for S&C 2000 Series
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Page 1: Table Of Contents
S&C Series 2000 Circuit-Switchers Model 2020 — With Vertical Interrupters and Side-Break Power-Operated Disconnect Outdoor Transmission 69 kV through 138 kV Installation And Operation Table of Contents Section Page Section Page Introduction Installation—Continued Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Connecting the Operator and Pole-Units to the Read this Instruction Sheet . -
Page 2: Introduction
Introduction Qualified Persons WARNING The equipment covered by this publication must be installed, operated, and maintained by qualified persons who are knowledgeable in the installation, operation, and maintenance of substation and overhead electric power transmission and distribution equipment along with the associated hazards . A qualified person is one who is trained and competent in: •... -
Page 3: Special Warranty Provisions
Introduction Special Warranty The standard warranty contained in the seller’s standard conditions of sale, as set forth in Price Sheet 150, applies to S&C Series 2000 Circuit-Switchers and associated options, Provisions except that the first paragraph of said warranty is replaced by the following: (1) General: The seller warrants to the purchaser for a period of five years from the date of shipment that the equipment delivered will be of the kind and quality specified in the contract description and will be free of defects of workmanship and material. -
Page 4: Safety Information
Safety Information Understanding Several types of safety-alert messages may appear throughout this instruction sheet as well as on labels and tags attached to the S&C Series 2000 Circuit-Switcher, Model 2020. Safety-Alert Familiarize yourself with these types of messages and the importance of these various Messages signal words: DANGER... -
Page 5: Location Of Safety And Instruction Labels And Tags
Safety Information Location of Safety and Instruction Labels and Tags ÇCAUTION Transition box contains a stop bracket and spacer which must be removed during installation, in the manner described in the S&C instruction sheet furnished with this Circuit-Switcher. Failure to do so can result in damage to the Circuit-Switcher when operated. - Page 6 Safety Information Reorder Information for Safety Labels Location Safety Alert Message Description Number CAUTION Transition box contains a stop bracket and spacer . . . G-5807 ■ Remove the interrupter operating-rod holding bracket and CAUTION G-5951 ■ spacer . . . Instruction Connecting-Pin Installation G-5685...
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Page 7: Safety Precautions
Safety Precautions DANGER Series 2000 Circuit-Switchers operate at high voltage. Failure to observe the precau- tions below will result in serious personal injury or death. Some of these precautions may differ from company operating procedures and rules . Where a discrepancy exists, users should follow their company’s operating procedures and rules . -
Page 8: Shipping And Handling
Shipping and Handling Inspection Examine the shipment for damage as soon after receipt as possible, preferably before removal from the carrier’s conveyance. Check the bill of lading to make sure all shipping skids, crates, and containers listed are present. If there is visible loss and/or damage: 1. -
Page 9: Storage
Shipping and Handling The shipment contains: • Three pole-unit assemblies: each pole-unit contains one stationary support insulator, one rotating insulating support column and a blade and contact assembly • Three interrupters, mounted to the high-speed base for shipping • A high-speed base, enclosing the high-speed power train •... -
Page 10: Installation
Installation Pressure-relief device and low-gas-pressure indicator Interrupter Disconnect blade Disconnect power train Support brace Insulating Switch-position support column indicator High-speed base — contains interrupter power train Support arm Operator Operator support plate Figure 1. Model 2020 Series 2000 Circuit-Switcher rated 138 kV. S&C Instruction Sheet 716-504... -
Page 11: Before Starting
Installation Before Starting CAUTION Do not remove the containers from the interrupters or the plastic bubble wrap from Pole-unit the insulating support columns until the installation is complete . NOTICE Bolted and Pinned Connections: A typical bolted connection requires a flat washer Interrupter underneath the cap screw and one under the (inside container) - Page 12 Installation (b) Install the temporary eyebolts into the holes provided at the top of the mounting pedestal. Attach the lifting slings to the eyebolts. See Figure 4. (c) Lift the pedestal over the anchor bolts. Before lowering, make sure the ground- Eye bolts ing pad is positioned properly for the installation.
- Page 13 Installation CAUTION The operator directly drives the interrupters open and closed through a simple high- speed power train leading from the top of the operator, through a horizontal interphase linkage enclosed in a steel-sheathed high- speed base, to reciprocating-action insulated operating rods that pass through the center of the insulating support columns .
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Page 14: Installing The Operator
Installation Installing the Operator Step 7 Bottom plate Loosen the ½–13×1¼-inch galvanized steel cap screws, flat washers, and nuts used to attach the bottom plates and lifting angles to the underside of the high-speed base. Remove the plates and place them and their hardware aside on a clean surface. - Page 15 Installation Step 10 Reposition the lifting sling around the front of Uni-ball coupling the stored-energy housing and wrap another lifting sling around the back of the stored- Operator support energy housing, as shown in Figure 10. Face the tube mounting Holes for operator door the same direction as the switch Operator...
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Page 16: Installing The Disconnect Pole-Units
Installation Installing the Disconnect Pole-Units NOTICE Insulating Support Column Do not disassemble the insulating support columns. The insulating support columns, are filled with lubricated dielectric filler Eyebolts which prevents contamination from affecting (not furnished) the dielectric integrity of the column or the insulated operating rod . - Page 17 Installation (d) Remove the ½–inch silicon-bronze pin and cotter pin from the insulated operating rod. Retain these pins for re- use in Step 16(g). (e) Remove the protective cover on the high- speed base at the pole-unit mounting position. See Figure 5 on page 12. Continue to raise the pole-unit to its mounting position at the center of the high-speed base, as shown on the catalog...
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Page 18: Installing The Interrupters
Installation Installing the Interrupters NOTICE Interrupters and disconnect pole-units are numbered "Pole1", "Pole 2", and "Pole 3" . Shipping clamp Make sure to install the interrupter to its corresponding pole-unit . Step 13 Attach a lifting sling to the lifting bracket on one of the interrupters. - Page 19 Installation Step 15 Attach the interrupter to its insulating support column as follows: (a) Remove and discard the shipping cover on top of the transition box. See Figure 13 on page 18, inset. (b) Thoroughly wire-brush the top of the transition box and mating surface on the interrupter, and immediately apply a liberal coating of Burndy Penetrox...
- Page 20 Installation (i) Insert the pin retaining clip as indicated in Figure 17. Make sure the clip is positioned as shown. (j) Remove and discard the 5⁄16–18×2¼-inch hex head stainless steel screw, stop Interphase bracket (marked with a black/yellow drive striped label), and spacer (marked with a linkage lever ½-inch ...
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Page 21: Connecting The Operator And Pole-Units To The High-Speed Power Train
Installation Connecting the Operator and Pole-Units to the End casting High-Speed Power Train Step 18 Attach the uni-ball coupling on the operator connecting link to the interphase drive lever in the high-speed base using the ¾-inch stainless steel pin and cotter pin retained from Step 8. See Figure ... - Page 22 Installation Step 20 Open the disconnect blade on each pole-unit. When the disconnect-blade corona-ball contact is clear of its jaw contact fingers as indicated in Figure 22 (top view), check that the blade centerline has not shifted up or down by more Disconnect-blade than ¼-inch—as measured to the centerline of corona-ball contact...
- Page 23 Installation Step 21 Close the disconnect blade on each pole-unit. The disconnect-blade corona-ball contact must be centered on its jaw-contact fingers, and the blade must touch its stop as indicated in Figure 24. Connect the factory-adjusted interphase pipe assembly to the center pole- unit insulating support column drive lever using the ½-inch stainless steel pin, two galvanized steel spacers, and two stainless...
- Page 24 Installation Step 22 Attach the clevis end of the interphase drive link to the longer arm of the bell-crank on the Operator Detail high-speed base using a ½-inch stainless steel View pin and cotter pin furnished. See Figure 26. Step 23 Connect the interphase drive to the switch operator as follows: (a) Attach the “C”-shaped clevis at the...
- Page 25 Installation Step 24 Check for proper blade closure at the center pole-unit marked “Pole 2.” With a pull-out force of approximately 40 pounds applied at the position indicated in Figure 24 on page 23, the blade deflection should be no more than ½-inch. If necessary, loosen the locknuts at the top Locknut and bottom of the vertical operating pipe, and...
- Page 26 Installation Manual trip lever Side access door for user’s external connections (to 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 Spare fuses Access shutter Manual operating shaft “Charged”...
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Page 27: Connecting Conductors
Installation Connecting Conductors Step 27 DANGER Conductors must de-energized grounded in accordance with standard system operating practice . Failure to do so can result in serious injury or death. Attach the high-voltage conductors to the termi- nal pads using flexible-conductor connections. Observe the terminal-pad loading limits speci- fied on the catalog drawing. -
Page 28: Setting Up The Operator And Checkout
Installation (c) Remove and discard the two ⅜–16×1- inch and one ⅜–16×⅞-inch zinc-plated hex-head cap screws and flat washers that attach one of the container halves to the indicator end casting of the interrupter. Do not remove the remaining ⅜–16×⅞-inch cap screw—it’s needed to temporarily retain the other container- half. - Page 29 Installation (b) Mark the conduit-entrance location for the control-circuit wiring on the conduit- entrance plate in the bottom of the operator enclosure. See Figure 30 on page 26. (c) Remove the plate and cut out the necessary opening. Apply the sealant furnished and replace the plate.
- Page 30 Installation Side access door Motor contactors Auxiliary switch Figure 32. Side-access panel of switch operator. Figure 33. The knife switch retainer and knife switch. S&C Instruction Sheet 716-504...
- Page 31 Installation Step 31 Perform final checkout as detailed below: Operating Stop bracket NOTICE rod holding bracket Check the following. Failure to do so can Spacer result in damage to the circuit-switcher when operated. (a) At each transition box check that: •...
- Page 32 Installation Step 32 Replace the access cover on the side of Interphase each transition box and securely tighten the drive lever associated 5⁄16–18×¾-inch hex-head stainless Adjustable steel cap screws. locking rod (marked Step 33 with a black/ Replace the bottom plates to the underside of yellow striped the high-speed base and securely tighten the label)
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Page 33: Adjusting Auxiliary-Switch Contacts
Installation Step 36 When the circuit-switcher is ready to be placed in service, the motor and closing circuit fuses can—at the user’s option—be replaced with the slugs furnished. This practice is recommended Relay holder for increased reliability because low-voltage fuses can be damaged by the repeated inrush Optional relays current experienced during normal opening and closing operations and can "sneak out,"... -
Page 34: Operation
Operation Understanding Trip-Free Operation T h e s t o r e d - e n e r g y m e c h a n i s m h a s a n 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. -
Page 35: Manual Operation
Operation If the position-indicating lamp option has been specified, the red lamp will light. The circuit-switcher may also be electrically operated via remotely located control switches. No instructions are included for remote control because control schemes vary with the instal- lation and specific application of the switch. -
Page 36: Decoupling
Operation Manual closing of the interrupters cannot be performed. When control power returns, if the disconnect has not been opened manually, the motor-driven cam in the stored- energy mechanism will charge the opening and Access station closing springs, and the take-off shaft will turn to drive the interphase pipe assembly, opening the disconnect. -
Page 37: Understanding The Gas-Pressure Indicator And Safety Relief Device
Operation Understanding the Gas-Pressure Gas pressure indicator Indicator and Safety Relief Device Series 2000 Circuit-Switchers have sealed interrupters 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.