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Siemens GM-SG User Manual

Siemens GM-SG
54 pages
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Instructions
Installation
Operation
Maintenance
E
50001
-
U
229
-
A
284
-
X
-
US
00
5
kV
and
15
kV
Metal
-
Clad
Switchgear
Type
GM
-
SG
SIEMENS
Power
Transmission
&
Distribution
Courtesy of NationalSwitchgear.com
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Siemens GM-SG Specifications

General IconGeneral
Number of Ports8
Switching Capacity16 Gbps
MAC Address Table8K
TypeManaged
MountingDIN-Rail
Port TypeGigabit Ethernet
Ports8x RJ45
Storage Temperature-40°C to 70°C
Humidity10% to 90% non-condensing

Summary

Introduction and Safety

Introduction to GM-SG Switchgear

General overview of the switchgear and manual's purpose.

Understanding Signal Words

Defines hazard indicators (Danger, Warning, Caution).

Qualified Personnel Requirements

Defines the qualifications for personnel.

Field Service and Warranty Information

Contact information for support and service.

General Description of Switchgear

Introduction to General Description

Emphasizes the importance of proper installation and maintenance.

Scope of Instruction Manual

Outlines the types of switchgear covered by the manual.

Metal-Clad Construction Details

Details the metal-clad construction and internal isolation.

Receiving, Handling & Storage Procedures

Receiving and Identification Guide

Procedures for accepting, identifying, and inspecting shipments.

Inspection and Damage Claims Process

Steps for examining equipment and reporting transit damage.

Lifting and Moving Equipment

General Lifting and Moving Techniques

Methods for safely handling switchgear sections.

Moving Switchgear in Obstructed Areas

Techniques for moving equipment without a crane.

Switchgear Movement and Positioning

Final Movement and Assembly Steps

Steps for positioning and connecting equipment sections.

Equipment Storage Guidelines

Indoor and Outdoor Storage Conditions

Guidelines for storing switchgear in various environments.

Storage of Circuit Breakers and Lift Trucks

Specific storage requirements for related components.

Installation Preparation and Foundations

Installation Preparation Checklist

Pre-installation study and review of drawings.

Foundation Requirements and Types

General and specific foundation needs for installation.

Indoor Switchgear Anchoring

Anchoring Indoor Switchgear to Foundation

Methods for securing indoor switchgear.

Outdoor Shelter-Clad Switchgear Anchoring

Anchoring Outdoor Shelter-Clad Switchgear

Methods for securing Shelter-Clad switchgear.

Common-Aisle Shelter-Clad Switchgear Anchoring

Anchoring Common-Aisle Shelter-Clad Switchgear

Methods for securing common-aisle switchgear.

Outdoor Non-Walk-In Switchgear Anchoring

Anchoring Outdoor Non-Walk-In Switchgear

Methods for securing non-walk-in switchgear.

Switchgear Assembly Procedures

Installing Shipping Sections

Procedures for assembling multiple shipping sections.

Installing with Transformer Throat Connection

Specifics for connecting to a power transformer.

Anchoring and Leveling Switchgear

Indoor Switchgear Anchoring and Leveling

Detailed steps for indoor anchoring.

Outdoor Shelter-Clad Anchoring and Leveling

Detailed steps for outdoor anchoring.

Shelter-Clad Switchgear Field Assembly

Single-Aisle Shelter-Clad Assembly

Assembly steps for single aisle configurations.

Common-Aisle Shelter-Clad Assembly

Assembly steps for common-aisle configurations.

Single-Aisle Assembly with Work Space

Assembly steps for single aisle with workspace.

Expanding Switchgear Installations

Expanding Shelter-Clad Switchgear

Adding units to existing Shelter-Clad switchgear.

Anchoring Conventional Outdoor Switchgear

Anchoring non-walk-in switchgear.

Expanding Conventional Switchgear Installations

Expanding Non-Walk-In Switchgear

Adding units to existing non-walk-in switchgear.

Electrical Connections: Buswork

Bus Bar Description and Material

Material, insulation, and construction of bus bars.

Bus Joints and Connections Guide

Procedures for making bolted bus bar connections.

Bus Insulation and Joint Methods

Bus Insulation Details and Safety

Information on epoxy insulation and safety aspects.

Bus Joint Insulation - Boots Installation

Procedures for installing insulation boots on bus joints.

Bus Joint Insulation Techniques

Bus Joint Insulation - Taping Procedure

Procedures for taping bus joints to achieve insulation.

Transformer Bus Joints - Insulation

Specific insulation requirements for transformer connections.

Cable Connection Procedures

Primary Cable Connections and Insulation

Requirements for insulating primary cable terminations.

Secondary Control Wiring Installation

Procedures for installing and connecting control wiring.

Grounding Procedures for Switchgear

Ground Connections Overview

Methods for properly grounding the switchgear.

Temporary Ground Connections

Use of temporary grounding devices.

Instrument Transformers: VTs and CPTs

General Information on VTs and CPTs

Overview of voltage and control power transformers.

Voltage Transformer Cell Placement

Details on mounting voltage transformers in cells.

Control Power Transformers and Rollout Tray Operation

Control Power Transformer Mounting and Fuses

Details on CPT placement and fuse handling.

Rollout Tray Operating Sequence

Steps for disconnecting and connecting rollout trays.

Current Transformers (CTs)

Toroidal Current Transformer Installation

Description and mounting of CTs in breaker compartments.

Circuit Breaker Positions and Racking Mechanism

Circuit Breaker Cell Preparation

Preparing the switchgear cell for breaker insertion.

Circuit Breaker Racking Mechanism

Description of the mechanism for moving breakers.

Interference Blocking Plate (Rating Interlock)

Ensures correct breaker rating is used.

Secondary Disconnects Function

Connection points for control circuits.

Circuit Breaker Operation and Safety Features

Mechanism and Truck Switches (MOC/TOC)

Operation of mechanism and truck switches.

Spring Discharge Check Procedure

Essential safety step before handling breakers.

Circuit Breaker Installation and Removal

General procedures for handling breakers.

De-Energizing Control Power to Breaker

Steps to de-energize control power before working.

Circuit Breaker Removal from Cells

Indoor and Shelter-Clad Breaker Removal

Steps for removing breakers from standard cells.

Outdoor/Raised Pad Breaker Removal

Steps for removing breakers from non-walk-in/raised pad cells.

Circuit Breaker Racking Procedures

Racking Crank Engagement Procedure

How to attach and use the racking crank.

Circuit Breaker Racking Guidance

General instructions for racking breakers.

Circuit Breaker Racking Operations and Interlocks

Racking Between Positions (CONNECT, TEST, DISCONNECT)

Procedures for moving breakers between positions.

Contact Penetration Check

Verifying proper contact engagement.

Closed Circuit Breaker Racking Interlock

Safety interlock preventing racking with closed breaker.

Circuit Breaker Safety Interlocks

Racking Access Interlock Provisions

Padlocking provisions for racking access.

Trip-Free Interlock Function Explained

How the trip-free interlock prevents closing.

Spring Discharge Function Explained

How closing springs are discharged safely.

Inspection and Testing Procedures

Pre-Installation Inspection Checklist

Key points to check before energizing.

High Voltage and Control Circuit Testing

Procedures for insulation and dielectric tests.

Commissioning the Switchgear

Placing Equipment into Service Steps

Step-by-step process for initial operation.

Maintenance and Intervals

Introduction to Maintenance and Intervals

Importance and recommended intervals for upkeep.

Recommended Hand Tools and Lubrication

Tools and general lubrication guidance.

Detailed Maintenance Tasks and Lubrication

Maintenance Task Checklist

Comprehensive list of periodic maintenance activities.

Lubrication of Moving Parts and Contacts

Specific lubrication instructions for components.

Maintenance Practices and Precautions

Cleaning Insulation and Atmospheres

Cleaning procedures and precautions for corrosive environments.

Relays, Instruments, and Surface Maintenance

Maintenance for ancillary equipment and surfaces.

Switchgear Accessories Overview

Test Devices and Lifting Gear

Descriptions of split plug jumpers, test cabinets, lift trucks, and slings.

Electric Racking Accessory Details

Details on the optional electric racking accessory.

Surge Protection Accessories

Type 3EF Surge Limiters Application

Application recommendations and technical data for surge limiters.

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