GE SecoGear Manuel utilisateur

5kV-15kV IEEE Metal-Clad Switchgear

SecoGear*

DEH-50009 Installation, Operation and Maintenance Manual

SecoGear – Installation, Operation and Maintenance Manual 2 of 56

1. Introduction.........................................11

Safety ...........................................................11

Maintenance ....................................................12

2. Receiving, Handling, and Storage ....................13

Receiving ........................................................13

Inspecting for Damage ........................................................13

Filing a Claim .................................................................13

Handling.........................................................13

Enclosure Lifting..............................................................13

Example ........................................................................................13

Forklifts ......................................................................14

Using Rollers .................................................................14

Storage..........................................................15

Switchgear ...................................................................15

SecoVac Vacuum Circuit Breakers ................................15

3. SecoGear Construction ..............................16

Circuit Breaker Compartment....................................16

Closed-door Drawout .........................................................16

Fixed Primary Disconnect Contacts ...........................................17

Automatic Shutters...........................................................18

Interlocks.....................................................................18

Current Transformers .........................................................19

Auxiliary Compartments .........................................20

Voltage Transformers .........................................................20

Control Power Transformers and Fuse Trays ...................................20

Manually Operated Ground and Test Device ...................................21

Circuit Breaker...................................................21

Primary Disconnects..........................................................22

Lift Truck .....................................................................23

Racking Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Remote Racking System (Optional)............................................23

Table of Contents

SecoGear – Installation, Operation and Maintenance Manual 3 of 56

4. Installation ..........................................24

Site Location ....................................................24

Foundation Requirements .......................................24

Assembling Shipping Sections ...................................25

Bolting Sections Together .....................................................26

Attach Trim Covers ...........................................................27

Wiring ........................................................................27

Taped Insulation ..............................................................27

Part 1: Bus Bars, 5 kV or 15 kV ...................................................................28

Part 2: Taped Joints, 5 kV or 15 kV ...............................................................28

Bus Bar Installation ...........................................................31

Recommended Torque Values.................................................34

Ground Bus Installation.......................................................34

Cable Access Panels ..........................................................35

Final Inspection...............................................................35

5. Circuit Breaker Installation/Removal .................36

Inspection and Preparation ......................................36

Racking..........................................................36

Installing SecoVac Vacuum Circuit Breaker into Switchgear

Compartment ...................................................37

A. Place Circuit Breaker onto the Lift Truck ....................................37

B. Insert Circuit Breaker into Switchgear Compartment........................38

Removing the Circuit Breaker ....................................41

Racking the Circuit Breaker to Connected Position................41

Racking the Circuit Breaker to Disconnected/Test Position........42

6. Testing and Inspection.............................. 43

Circuit Breaker Operation Test ................................................43

Circuit Breaker Test Jumper (Optional) ........................................43

Circuit Breaker Test Box (Optional) ............................................43

Table of Contents (Cont.)

SecoGear – Installation, Operation and Maintenance Manual 4 of 56

7. Circuit Breaker Operation........................... 44

Closing Operation ............................................................44

Opening Operation ...........................................................44

8. Energizing the Switchgear ...........................45

Before Energizing ................................................45

9. Maintenance ........................................46

Circuit Breaker and Instrument Compartments...................46

Circuit Breaker Test for Proper Operation......................................46

Checks After the Circuit Breaker Is De-energized ..............................46

Lubrication ...................................................................47

Instruments, Components and Relays.........................................47

Switchgear Interior ..............................................47

Main Bus Compartment .........................................48

Replacing Current Transformers (CTs) ............................49

Wire the CTs..................................................................49

Overall Switchgear.............................................. 50

Padlocks and Keylocks .......................................... 50

Circuit Breaker Racking Port Padlock Provision ................................50

Door Padlock Provision .......................................................51

Shutter Padlock Provision.....................................................51

Key Interlocks (Optional) ......................................................52

Kirk Lock .....................................................................52

Preferred Lock Out Tag Out Procedure (LOTO) .................................52

Paint Refinishing................................................ 53

Circuit Breaker Lift Truck ........................................ 53

10. Repair and Replacement .......................... 54

Circuit Breaker Troubleshooting ................................. 54

Circuit Breaker Spare Parts ..................................... 54

11. Notes ............................................. 55

Table of Contents (Cont.)

SecoGear – Installation, Operation and Maintenance Manual 5 of 56

Figure 2-1: Recommended Lifting Method (Front View) ........................13

Figure 2-2: Recommended Lifting Method (Side View) .........................14

Figure 2-3: Corner Warning Label .............................................14

Figure 2-4: Placing Forklift Tines under Equipment Shipping Skid...............14

Figure 2-5: Moving Using Rollers ..............................................14

Figure 2-6: SecoVac Vacuum Circuit Breakers..................................15

Figure 3-1: Section Contents ..................................................16

Figure 3-2: Circuit Breaker Manual Rack in/out.................................17

Figure 3-3: Circuit Breaker Automatic Rack in/out .............................17

Figure 3-4: SecoGear Primary/Secondary Disconnects .........................17

Figure 3-5: Circuit Breaker Primary/Secondary Cluster .........................17

Figure 3-6: Automatic Shutters................................................18

Figure 3-7: Interlock for Secondary Disconnect Plug Removal ..................18

Figure 3-8: Open-Close-Open Safety Interlock Plungers .......................19

Figure 3-9: Padlock for Door and Breaker Rack in/out ..........................19

Figure 3-10: Current Transformers ............................................19

Figure 3-11: Voltage Transformers.............................................20

Figure 3-12: Fuses-only Tray ..................................................20

Figure 3-13: CPT with Fuses Tray ..............................................20

Figure 3-14: Manual Ground and Test Device ..................................21

Figure 3-15: SecoVac Vacuum Circuit Breaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 3-16: Disconnect Finger Cluster ........................................22

Figure 3-17: Lift Truck Ready for Use...........................................23

Figure 3-18: Remote Racking Operator ........................................23

Figure 3-19: Remote Switch Operator .........................................23

Figure 4-1: SecoGear Installation Drawing – Indoor Anchoring Method .........24

Figure 4-2: SecoGear Primary Indoor Anchoring Method .......................25

Figure 4-3: Lineup Shown Assembled .........................................25

Figure 4-4: Lift Plugs in Position ...............................................26

Figure 4-5: Position Wires for Clearance .......................................26

Figure 4-6: Front Bolt Locations (left and right) ................................26

Figure 4-7: Rear Bolt Locations (left and right) .................................26

Figure 4-8: Front Left Trim Covers Installed ....................................27

Figure 4-9: End Cover Assembly...............................................27

Table of Figures

SecoGear – Installation, Operation and Maintenance Manual 6 of 56

Figure 4-10: Tape Bus Bars ....................................................28

Figure 4-11: Tape Dead-end Bus Joint .........................................28

Figure 4-12: Tape Bus Connection Joint .......................................29

Figure 4-13: Tape Current Transformer Joint...................................29

Figure 4-14: Tape Tee Connection Joint........................................30

Figure 4-15: Tape Double Bus Bar Joint ........................................30

Figure 4-16: Bus Access via Rear Cover Plates .................................31

Figure 4-17: Bus Access Panels................................................31

Figure 4-18: Bus Accessible ...................................................31

Figure 4-19: Side Bus Shrouds.................................................31

Figure 4-20: Main Bus Connection – Rear View ................................32

Figure 4-21: Main Bus Connection – Plan (Top) View ...........................33

Figure 4-22: Main Bus Connection – Through Joint.............................33

Figure 4-23: Main Bus Connection – Start or End Joint .........................33

Figure 4-24: Typical Ground Bus ...............................................34

Figure 4-25: Ground Bus – Plan View ..........................................34

Figure 4-26: Ground Bus – Rear View ..........................................34

Figure 4-27: Upper Cable Plates ...............................................35

Figure 4-28: Lower Cable Plates ...............................................35

Figure 5-1: Two-High Breaker Section .........................................36

Figure 5-2: Lowered Lifting Platform ..........................................37

Figure 5-3: The Hoist Rail Slots ................................................37

Figure 5-4: Press the Front Pedal to Lock Lift Truck ............................37

Figure 5-5: SecoVac VCB Tab Locked in Lift Truck Slot ..........................37

Figure 5-6: SecoVac VCB Properly Mounted on Lift Truck ......................37

Figure 5-7: Release Floor Lock.................................................38

Figure 5-8: Lift Truck Crank Handle ............................................38

Figure 5-9: Cable Winch Spool ................................................38

Figure 5-10: Cable Secured to Hoist ...........................................38

Figure 5-11: Lift Truck Arm (Left) Aligned with Switchgear Guide Slot (Right) ...38

Figure 5-12: Lift Truck Guide Arm Stops .......................................38

Figure 5-13: Press the Front Lever to Lock Lift Truck ...........................38

Figure 5-14: Operation Handle ................................................39

Table of Figures (Cont.)

SecoGear – Installation, Operation and Maintenance Manual 7 of 56

Table of Figures (Cont.)

Figure 5-15: Operation Handle Fully Engaged into Switchgear Compartment...39

Figure 5-16: Press Down on the Interlock Pin and Rotate Clockwise to Lock

the Latch Handle .............................................................39

Figure 5-17: Unlock VCB from Lift Truck. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 5-18: Lock VCB into Switchgear ........................................39

Figure 5-19: Rotate Interlock Pin Counterclockwise to Unlock the Latch Handle 40

Figure 5-20: Interlock Latch Handle ...........................................40

Figure 5-21: Stop in Proper Position ...........................................40

Figure 5-22: Eliminating Stop Interference.....................................40

Figure 5-23: Release Floor Lock ...............................................40

Figure 5-24: Release Secondary Plug from VCB ................................41

Figure 5-25: Insert Secondary Plug and Lock into Switchgear

Compartment Socket .........................................................41

Figure 5-26: Racking Handle ..................................................42

Figure 5-27: Racking Handle Insertion on Door ................................42

Figure 5-28: Access Hole Open ................................................42

Figure 5-29: Disconnected/Test Position (Green)...............................42

Figure 5-30: Intermediate Position (Yellow)....................................42

Figure 5-31: Connected Position (Red).........................................42

Figure 6-1: SecoVac Test Box ..................................................43

Figure 9-1: Rear Compartment Assembly Illustration ..........................48

Figure 9-2: CTs mounted in compartment......................................49

Figure 9-3: CT Spacers, 7/8” (left) and 2” (right) ................................49

Figure 9-4: CT Spacers Installed ...............................................49

Figure 9-5: CT Wire Harness in Compartment .................................49

Figure 9-6: CT Wires Connected ...............................................50

Figure 9-7: CT Installed, Shutters in Open Position .............................50

Figure 9-8: SecoGear Manual Racking Port Padlocked. . . . . . . . . . . . . . . . . . . . . . . . . . 50

Figure 9-9: Compartment Door Padlock .......................................51

Figure 9-10: Shutter Padlock ..................................................51

Figure 9-11: Kirk Lock Location in SecoGear ...................................51

Figure 9-12: Initial Stopper Rod Position.......................................52

Figure 9-13: Locked Stopper Rod Position .....................................52

SecoGear – Installation, Operation and Maintenance Manual 8 of 56

Table of Tables

Table 1-1: Rated Electrical Characteristics.....................................11

Table 4-1: Tape Bus Bars ......................................................28

Table 4-2: Tape Dead-end Bus Joint ...........................................28

Table 4-3: Tape Bus Connection Joint .........................................29

Table 4-4: Tape Current Transformer Joint .....................................29

Table 4-5: Tape Tee Connection Joint ..........................................30

Table 4-6: Tape Double Bus Bar Joint ..........................................30

Table 4-7: Main Bus Sizes .....................................................32

Table 4-8: Riser/Runback Bus Size .............................................32

Table 4-9: Recommended Torque Limits .......................................34

Table 10-1: Diagnosis and Troubleshooting Malfunctions ......................54

SecoGear – Installation, Operation and Maintenance Manual 9 of 56

SecoGear – Installation, Operation and Maintenance Manual 10 of 56

Hazard Classifications

The following important highlighted information

appears throughout this document to warn of potential

hazards or to call attention to information that

clarifies a procedure. Carefully read all instructions

and become familiar with the devices before trying to

install, operate, service or maintain this equipment.

Indicates a hazardous situation that, if not

avoided, will result in death or serious injury.

Indicates that if the hazard is not avoided could

result in minor or moderate injury.

Indicates a hazardous situation that, if not

avoided, could result in death or serious injury.

It is used to notify of practices not related to

personal injury.

Trademarks

SecoGear® SecoRMU®

SecoCube® SecoBloc®

SecoVac® Multilin®

All third-party trademarks are the property of their

respective owners.

Warranty

This document is based on information available at the time

of its publication. While efforts have been made to ensure

accuracy, the information contained herein does not cover

all details or variations in hardware and software, nor does

it provide for every possible contingency in connection with

installation, operation, and maintenance. Features may be

described herein that are not present in all hardware and

software systems.

GE Industrial Solutions assumes no obligation of notice

to holders of this document with respect to changes

subsequently made. GE Industrial Solutions makes no

representation or warranty, expressed, implied, or statutory,

with respect to, and assumes no responsibility for the

accuracy, completeness, sufficiency, or usefulness of the

information contained herein.

No warranties of merchantability or fitness for purpose

shall apply.

Contact your local sales office if further information is required

concerning any aspect of SecoGear switchgear operation

or maintenance.

DANGER

WARNING

CAUTION

NOTICE

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