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S&C 2000 series User Manual

S&C 2000 series
37 pages
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January 23, 2017
© S&C Electric Company 1993-2017, all rights reserved
Instruction Sheet 716-504
S&C Series 2000 Circuit-Switchers
Outdoor Transmission
Model 2020 — With Vertical Interrupters
and Side-Break Power-Operated Disconnect
69 kV through 138 kV
Installation And Operation
Table of Contents
Section Page Section Page
Introduction
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
Safety Information
Understanding Safety-Alert Messages ..............4
Following Safety Instructions
.....................4
Replacement Instructions and Labels
...............4
Location of Safety and Instruction Labels and Tags
5
Safety Precautions .......................... . 7
Shipping and Handling
Inspection ....................................8
Packing
......................................8
Storage
......................................9
Installation
Before Starting ...............................11
Installing the Mounting Pedestals and
High-Speed Base
...........................11
Installing the Operator
.........................14
Installing the Disconnect Pole-Units
...............16
Installing the Interrupters
.......................18
Installation—Continued
Connecting the Operator and Pole-Units to the
High-Speed Power Train
.....................21
Connecting Conductors
........................27
Remove the Interrupter Containers
................27
Setting up the Operator and Checkout
.............28
Adjusting Auxiliary-Switch Contacts
...............33
Operation
Understanding Trip-Free Operation ................34
Electrical Operation
...........................34
Manual Operation
.............................35
Decoupling
..................................36
Understanding the Gas-Pressure Indicator and
Safety Relief Device
.........................37
Understanding the Optional Remote
Gas-Density Monitor
........................37
Inspection Recommendations
...................37

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S&C 2000 series Specifications

General IconGeneral
Mechanical Life10, 000 operations
Amperes Continuous600 A, 900 A, 1200 A
Operating MechanismManual
Insulation MediumSF6
Electrical Life100 operations

Summary

Introduction

Qualified Persons

Defines requirements for personnel authorized to install, operate, and maintain the equipment.

Read this Instruction Sheet

Emphasizes the importance of thoroughly reading the instruction sheet before installation or operation.

Retain this Instruction Sheet

Instructs to store the instruction sheet in the Series 2000 Switch Operator manual holder.

Proper Application

Discusses selecting the equipment for specific applications within its rated environmental and operational limits.

Usual Operating Conditions

Details environmental conditions like temperature, altitude, and wind loading for intended performance.

Special Warranty Provisions

Outlines specific warranty terms, replacing the first paragraph of standard conditions of sale.

Warranty Qualifications

Lists conditions for warranty, including proper installation and adherence to inspection recommendations.

Safety Information

Understanding Safety-Alert Messages

Explains the meaning of DANGER, WARNING, CAUTION, and NOTICE signal words used in the document.

Following Safety Instructions

Advises contacting S&C for assistance if any part of the instruction sheet is not understood.

Replacement Instructions and Labels

Instructs on obtaining additional copies of the instruction sheet and replacing damaged labels.

Location of Safety and Instruction Labels and Tags

Identifies the location of various safety and instruction labels on the equipment with reference letters.

Reorder Information for Safety Labels

Provides a table listing safety labels by location, description, and reorder number.

Safety Precautions

Shipping and Handling

Inspection

Details procedures for examining shipments for damage upon receipt and notifying carriers.

Packing

Explains how to check shipment contents against a catalog drawing and avoid mixing components.

Storage

Provides guidelines for storing the circuit-switcher, including power for heaters and environmental protection.

Installation

Before Starting

Advises on initial steps like not removing protective wrapping and cutting shipping straps.

Installing the Mounting Pedestals and High-Speed Base

Details the process of installing pedestals onto anchor bolts and securing the high-speed base.

Installing the Operator

Guides on how to lift, position, and attach the switch operator to the high-speed base.

Installing the Disconnect Pole-Units

Describes the procedure for lifting and mounting the disconnect pole-units onto the high-speed base.

Installing the Interrupters

Details the steps for attaching the interrupters to their respective insulating support columns.

Connecting the Operator and Pole-Units to the High-Speed Power Train

Explains how to connect the operator's uni-ball coupling to the interphase drive lever.

Connecting Conductors

Provides instructions for attaching high-voltage conductors to terminal pads, emphasizing de-energization.

Remove the Interrupter Containers

Details the process of removing the interrupter protective containers and associated hardware.

Setting up the Operator and Checkout

Guides on making external control-circuit wiring connections and setting up the operator.

Final Checkout

Lists critical checks for correct connections and component seating before operation.

Adjusting Auxiliary-Switch Contacts

Explains how to adjust the two individually adjustable auxiliary-switch contacts using cams.

Operation

Understanding Trip-Free Operation

Explains the instantaneous trip-free capability of the stored-energy mechanism.

Electrical Operation

Details how to open and close the circuit-switcher using pushbuttons or remote signals.

Manual Operation

Describes how to open the circuit-switcher using the manual trip lever or manual charging handle.

Decoupling

Explains how to decouple and recouple the disconnect-blade power train for inspection purposes.

Understanding the Gas-Pressure Indicator and Safety Relief Device

Describes the function of the gas-pressure indicator and safety relief device on interrupters.

Understanding the Optional Remote Gas-Density Monitor

Explains the features and alarms of the optional remote gas-density monitoring system.

Inspection Recommendations

Recommends periodic inspection according to S&C schedules and procedures.

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