Siemens 8DJ20 Manuals

Manuals and User Guides for Siemens 8DJ20. We have 1 Siemens 8DJ20 manual available for free PDF download: Operating Instructions Manual

Siemens 8DJ20 Operating Instructions Manual (69 pages)

Secondary Distribution Switchgear

Brand: Siemens | Category: Switch | Size: 12.87 MB

Contents
2
Safety Instructions
5
Signal Terms and Definitions
5
Due Application
5
Qualified Personnel
5
Description
6
Features
6
Personal Safety
6
Application
6
About These Instructions
6
Switchgear Versions
7
Switchgear Design
9
Constructional Features
9
Product View
9
Modules
11
Three-Position Switch-Disconnector
11
Characteristics
11
Mode of Operation
11
Operating Mechanisms
12
Shunt Release (F-Release)
12
Auxiliary Switch
12
Wiring
12
HV HRC Fuse Assembly
13
Replacement of HV HRC Fuse Links
14
Schematic Sketches for Fuse Tripping
14
Ring-Main Cable Connection
15
Transformer Cable Connection
15
Ready-For-Service Indicator
16
Interlocking Systems
17
Voltage Indication Systems
18
Accessories
18
Features of the HR/LRM System
18
Features of CAPDIS-S1/-S2
18
Short-Circuit/Earth-Fault Indicators
19
Technical Data
20
Complete Switchgear
20
Dimensions
20
Electrical Data
22
Rating Plates
23
Allocation of HV HRC Fuses and Transformers
23
Allocation of HV HRC Fuse Links of Type 3GD and Transformers
24
Servicing
25
Maintenance
25
Replacement of Components
25
Applicable Standards and Specifications
25
Packing
26
Checking for Completeness and Transport Damage
26
Preparing Installation
26
Intermediate Storage
27
Switchgear Transport by Means of Transport Lugs
27
Necessary and Suitable Tools
28
Moving the Switchgear to the Place of Installation
28
Removing the Transport Units from the Wooden Pallets
28
Checking the Gas Filling
28
Switchgear Installation
29
Floor Openings and Fixing Points
29
Pressure Relief
29
Earthing the Switchgear
30
Installation of Cable Brackets for Switchgear with Low Subframe
31
Electrical Connections
32
Connecting Ring-Main Feeder Cables (RK)
32
Installation of Adapters for Conventional Cable Sealing Ends
32
8DJ20: Connecting Transformer Feeder Cable (Elbow Plugs) Series 20
33
Work Operations
34
8DJ10: Connecting Transformer Feeder Cables (Elbow Plugs) Series 200
35
Verification of Correct Terminal-Phase Connections
38
Connecting Auxiliary Circuits
40
Final Assembly Work
41
Checking the Rating Plate / Type Plate
41
Checking High-Voltage/Control Cable Connections
41
Checking Bolted Joints/Cleaning the Switchgear
41
Mechanical Commissioning
42
Checking the Assembly Work and the Accessories
42
Test Operation
42
Malfunction During Test Operation
42
Instructing the Operating Personnel
43
Switching on Operational High-Voltage
44
Electrical Commissioning
44
Preparations before Switching on
44
Switching on more Incoming Feeders
44
Operation
46
Safety Instructions
46
Overview Detachable Lever Mechanism
47
Switching Functions
47
Overview Rotary Lever Mechanism
48
Control Elements
49
Disconnecting and Earthing
51
Closing the Switch-Disconnector
52
Opening the Switch-Disconnector
53
Earthing
54
De-Earthing
55
Verification of Safe Isolation from Supply
56
Indications and Their Handling
59
Ready-For-Service Indicator in the Red Area
59
Taking the Switchgear out of Operation
59
Replacing the Switchgear
59
Troubleshooting
60
Short-Circuit Indicator Red
61
Checking Fuse Links
61
Replacing HV HRC Fuse Links
62
Isolating
62
Removing the Cover of HV HRC Fuse Compartment
62
Withdrawing the Fuse Slide
62
Inserting the HV HRC Fuse Slide
63
Closing the Cover of the HV HRC Fuse Compartment
63
Cable Testing
64
After Test Completion
65
Index
66

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