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Siemens 8DA10 Series User Manual
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Medium-Voltage Switchgear
Type 8DA10 Extendable Fixed-Moun
ted Circuit-Breaker Switchgear
up to 40.5
kV
Single Busbar, Single-Pole Metal-Enclosed, Gas-Insulated
Medium-V
oltage Switchgear
INSTALLATION AND
OPERATING
INSTRUCTIONS
Order No.: 861-9601.9
Revision: 11
Issue: 07-11-2017
2
Table of Contents
Table of Contents
3
Safety Instructions
6
Signal Terms and Definitions
6
General Instructions
7
Security
9
Due Application
9
Qualified Personnel
10
Description
11
Panel Overview
11
Subframe
11
Switchpanel Pole
11
Examples for Panel Versions
12
Examples for Panel Versions
13
Low-Voltage Compartment
15
Circuit-Breaker
16
Design
16
Circuit-Breaker Operating Mechanism
16
Equipment
17
Three-Position Disconnector
18
Make-Proof Busbar Earthing Switch
20
Current and Voltage Transformers
21
4MT and 4MU Voltage Transformers
21
Current Transformers
23
Gas Compartments
24
Panel Connection
25
Features
25
Cable Plugs for Panel Connection Versions
25
Protection and Control Equipment
27
Voltage Detecting Systems
27
Aseismic Design (Option)
28
Accessories
29
Standard Accessories
29
Other Accessories
30
Technical Data
31
Electrical Data
31
Vacuum Circuit-Breaker
32
Endurance Classes
34
Insulating Gas
35
Classification of 8DA10 According to
37
Iec 62 271-200
37
Standards, Specifications, Guidelines
37
Phase Sequence
38
Rating Plates
39
Installation
40
Constructional Stipulations
40
Switchgear Room
40
Constructional Data of the Foundation
43
Transport Units
45
Before Installation
46
Preliminary Clarifications
46
Installation and Fixing Material
46
Working Materials
46
Overview of Busbar Housing Covers with Desiccant Bags
47
Tightening Torques
48
Comments on Electromagnetic Compatibility
49
Transport and Storage
50
Packing and Transport Unit
50
Completeness and Transport Damages
50
Intermediate Storage
50
Transporting and Unloading the Transport Unit
53
Setting down the Transport Units at the Place of Installation
56
Aligning the Switchgear
59
Checking the SF6 Gas Pressure
60
Switchgear Installation
61
Preparing Busbar Assembly
62
Lining up Panels
71
Lining up Further Panels
74
Completing Switchgear Installation
74
Mounting the Cable Bracket
77
Installing the Earthing Busbar
79
Interconnecting Panels with 5000 a Busbar (Twin Busbar)
84
Installation Work with SF6 Gas before Commissioning
95
Completing Busbar Assembly and Filling with SF6 Gas
95
Installing the Panel Connections Supplied
97
The Circuit-Breaker Housing with SF6 Gas
97
Installing Solid-Insulated Bars at the Panel Connection, and Filling the Circuit-Breaker Housings with SF6 Gas
103
Performing the Power- Frequency Voltage Test
105
Installing the Voltage Transformers
106
Installation of Voltage Transformers Type 4MT3 on the Busbar
107
Installation of Voltage Transformers Type 4MU4 on the Busbar
111
Installation of Voltage Transformers Type 4MT7 at the Cable Feeder
113
Removing the Voltage Transformers
116
Removal of Voltage Transformers Type 4MT3 from the Busbar
117
Removal of Voltage Transformers Type 4MU4 from the Busbar
119
Removal of Voltage Transformers Type 4MT7 from the Cable Feeder
121
Busbar Components
123
Installing the Bus Sectionalizer
127
Tests
131
Checking the SF6 Gas Filling
131
Monitoring the Gas Pressure
131
Checking the Circuits of the Low-Voltage Equipment
133
Checking High-Voltage Connections
133
Checking Electrical Connections
133
Checking Protection against Environmental Influences
133
Final Installation Work
134
Mounting Cables with Plugs
134
Connecting Low-Voltage Cables
134
Mounting the Metal Covers
135
Installation of Degree of Protection Version IPX1
136
IP31D - Protection against Vertically Falling Water Drops
136
Installation of Rear Walls of Switchgear
139
Installation of End Walls
142
Commissioning
147
Checking the Installation Work
147
Test Operation
147
Checking the Accessories
149
Schutzgeräte Prüfen
149
Correcting Circuit Diagrams
149
Instructing the Operating Personnel
149
Operation
150
Control Elements and Indicators
151
Control Elements and Indicators of the Circuit-Breaker
152
Control Elements and Indicators of the Three-Position Disconnector
152
Operating Tools
153
Interlocks
154
Operating the Circuit-Breaker
155
Closing the Circuit-Breaker Manually
155
Opening the Circuit-Breaker Manually
155
Emergency Release of the Circuit-Breaker (with Locking Solenoid -Y16)
155
Test Operation
156
Charging the Closing Spring Manually
157
Operating the Circuit-Breaker and the Three-Position Disconnector
158
Switching Operations in the Circuit-Breaker Panel
158
Switching Operations in the Bus Sectionalizer Panel
164
Switching Operations in Top-Mounted Bus Sectionalizer (Without Additional Panel)
176
Switching Operations with Busbar Components
182
Switching Operations for Busbar Connection with Three-Position Disconnector
185
Three-Position Disconnector with Auxiliary Voltage (Motor Operating Mechanism)
187
Emergency Operation of the Three-Position Disconnector
187
Operating the Make-Proof Busbar Earthing Switch
193
Control Elements and Indicators
193
Closing
194
Opening
195
Emergency Release of the Interlock with Solenoids at the Busbar Earthing Switch
195
Verification of Safe Isolation from Supply
197
LRM Plug-In Sockets
197
VOIS and CAPDIS Indications
198
WEGA Indications
200
Cable Testing
201
Safety Instructions
201
Test Voltage
201
Function Test
202
Servicing
203
Maintenance
203
Maintenance of the Vacuum Circuit-Breaker Operating Mechanism
204
Procedure for Bolted Joints and Seals
207
Cleaning Agents and Cleaning Aids
207
Lubricants
207
Switchgear Extension and Replacement of Panels and Components
208
Spare Parts
208
End of Service Life
209
Siemens Service Hotline
210
Index
211
4
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Siemens 8DA10 Series Specifications
General
Brand
Siemens
Model
8DA10 Series
Category
Circuit breakers
Language
English
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