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Table Of Contents - Siemens 8DJ10 Operating Instructions Manual

Secondary distribution switchgear

Table Of Contents

Table of Contents

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Table of Contents

Safety Instructions5

Signal Terms And Definitions5

Due Application5

Qualified Personnel5

Personal Safety6

About These Instructions6

Switchgear Versions7

Switchgear Design9

Constructional Features9

Three-Position Switch-Disconnector11

Characteristics11

Mode Of Operation11

Operating Mechanisms12

Shunt Release (F-Release)12

Auxiliary Switch12

Hv Hrc Fuse Assembly13

Replacement Of Hv Hrc Fuse Links14

Schematic Sketches For Fuse Tripping14

Ring-Main Cable Connection15

Transformer Cable Connection15

Ready-For-Service Indicator16

Interlocking Systems17

Voltage Indication Systems18

Features Of The Hr/Lrm System18

Features Of Capdis-S1/-S218

Short-Circuit/Earth-Fault Indicators19

Technical Data20

Complete Switchgear20

Electrical Data22

Rating Plates23

Allocation Of Hv Hrc Fuses And Transformers23

Allocation Of Hv Hrc Fuse Links Of Type 3Gd And Transformers24

Replacement Of Components25

Applicable Standards And Specifications25

Checking For Completeness And Transport Damage26

Preparing Installation26

Intermediate Storage27

Switchgear Transport By Means Of Transport Lugs27

Necessary And Suitable Tools28

Moving The Switchgear To The Place Of Installation28

Removing The Transport Units From The Wooden Pallets28

Checking The Gas Filling28

Switchgear Installation29

Floor Openings And Fixing Points29

Pressure Relief29

Earthing The Switchgear30

Installation Of Cable Brackets For Switchgear With Low Subframe31

Electrical Connections32

Connecting Ring-Main Feeder Cables (Rk)32

Installation Of Adapters For Conventional Cable Sealing Ends32

8Dj20: Connecting Transformer Feeder Cable (Elbow Plugs) Series 2033

Work Operations34

8Dj10: Connecting Transformer Feeder Cables (Elbow Plugs) Series 20035

Verification Of Correct Terminal-Phase Connections38

Connecting Auxiliary Circuits40

Final Assembly Work41

Checking The Rating Plate / Type Plate41

Checking High-Voltage/Control Cable Connections41

Checking Bolted Joints/Cleaning The Switchgear41

Mechanical Commissioning42

Checking The Assembly Work And The Accessories42

Test Operation42

Malfunction During Test Operation42

Instructing The Operating Personnel43

Switching On Operational High-Voltage44

Electrical Commissioning44

Preparations Before Switching On44

Switching On More Incoming Feeders44

Overview Detachable Lever Mechanism47

Switching Functions47

Overview Rotary Lever Mechanism48

Control Elements49

Disconnecting And Earthing51

Closing The Switch-Disconnector52

Opening The Switch-Disconnector53

Verification Of Safe Isolation From Supply56

Indications And Their Handling59

Ready-For-Service Indicator In The Red Area59

Taking The Switchgear Out Of Operation59

Replacing The Switchgear59

Troubleshooting60

Short-Circuit Indicator Red61

Checking Fuse Links61

Replacing Hv Hrc Fuse Links62

Removing The Cover Of Hv Hrc Fuse Compartment62

Withdrawing The Fuse Slide62

Inserting The Hv Hrc Fuse Slide63

Closing The Cover Of The Hv Hrc Fuse Compartment63

Cable Testing64

After Test Completion65

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