GE GL 312 F1/4031 P/VR - A3.1 Servicing Equipment

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Main Page

Table of Contents3
Introduction7
Safety11
Safety Instructions11
Handling Sulfur Hexafluoride13
Safety Precautions When Handling SF613
Oxygen Displacement13
Mechanical Handling13
Frostbite14
Safety Precautions When Handling Used SF615
Transport at the Installation Site16
Components Supplied17
Scope of Supply (Standard)17
Scope of Supply (Optional)18
Transport and Storage19
Transport and Handling19
Storage20
Installation21
Preparing for Installation21
Documentation21
Checklist21
Materials and Equipment to be Provided by Customer24
Use of Auxiliary Materials and Supplies24
Unpacking the Transport Units24
Base Frame25
Pole Column25
Unpacking Pole Column with Composite Insulators27
Unpacking Pole Column with Porcelain Insulators28
Operating Mechanism30
Preinstalling the Supports31
Installing the Base Frame32
Installing the Mechanism Brackets33
Mounting the Operating Mechanism34
Installing the Pole Columns37
Erecting the Pole Columns37
Positioning the Pole Columns38
Aligning and Connecting the Pole Columns40
Aligning and Connecting Pole Column B41
Connecting the Drive Rod to the Drive Lever42
Connecting the Drive Rod to Pole B43
Connecting the Lever to the Connecting Rod for Pole C45
Aligning and Connecting Pole Column a46
Aligning and Connecting Pole Column C47
Mounting the High Voltage Terminal Pads48
Connecting the Cables49
Earthing (Grounding) the Circuit Breaker50
Commissioning51
Density Monitor51
Connecting the Cable51
Checking the Operating Points of the Density Monitor52
Filling the Pole Columns with Gas (Preparation)54
Establish Gas Connections between Density Monitor and Pole Columns55
Filling the Breaker with Gas56
Checking the Anti-Condensation Heater58
Connecting the Supply and Control Cables58
Functional Testing59
Test Operations59
Measuring the Running Time of the Charging Motor59
Measuring the Contact Resistance60
Measuring the Operating Times60
Checking Manual Operation61
Manually Charging the Closing Spring62
Checking the Anti-Pumping System63
Checking the Functional Lockout63
Operations Counter63
Final Tasks63
Troubleshooting65
Electrical Switching Commands Are Not Correctly Executed65
Mechanism Reconditioning Procedures66
Replacing the Charging Motor66
Replacing the Closing and Opening Coil67
Replacing the Operations Counter68
Replacing the Motor Limit Switch And/Or the Auxiliary Switch69
Replacing the Density Monitor71
Austausch einer Gasverbindung73
Inspection and Maintenance75
Ordering Accessories and Replacement Parts77
Inspection77
Visual Inspection77
Anti-Condensation Heater77
Checking Gas Pressure77
Maintenance78
Checking the Cable Connections78
Checking the Connecting Linkage78
Checking the Control Circuits78
Checking the Gas Quality79
Checking the Contact Resistance79
Checking the Operating Times79
Checking the Threaded Connections79
Reconditioning81
Reconditioning the Interrupter Chamber82
Disconnecting the Interrupter Chamber from the Post Insulator82
Removing the Double Motion System84
Removing the Guide Shaft85
10.1.3.1 Switchgear with 403185
10.1.3.2 Switchgear with 404086
Disconnecting the Making and Breaking Units87
Reconditioning the Movable Contact System87
Reconditioning the Fixed Contact88
Lubricating the Interrupter Unit88
Connecting the Making and Breaking Units89
Mounting the Guide Shaft91
10.1.9.1 Switchgear with 403191
10.1.9.2 Switchgear with 404092
Reconditioning the Holder93
Installing the Double Motion System94
Adjusting the Double Motion System96
Connecting the Interrupter Chamber to the Post Insulator97
Replacing the Adsorption Filter99
Final Operations100
Disassembling the Post Insulator and Crankcase100
Disassembling the Opening Springs101
Disassembling the Crankcase102
End-Of-Life Management105
Special Equipment (Optional)107
Easycheck Density Monitor Unit107
Functional Description108
Operating Condition109
Test Condition110
Flexlink-Gas Connection111
Setup of the Flexlink-Gas Connction111
If Flexlink Gas Piping Is Already Installed112
Flexlink Gas Piping Still Needs to be Installed113
Exchange of Flexlink Gas Connections114
A1 Description of the Equipment117
A1.1 Purpose117
A1.2 Main Components117
A1.3 Operation117
A2 Tools and Auxiliary Equipment119
A2.1 Customer-Supplied Materials and Equipment for Installation119
And Commissioning119
A2.2 Materials119
A2.3 Hoisting and Climbing or Lifting Equipment119
A2.4 Tools, Test Equipment and Auxiliary Equipment119
A2.4.1 Tool Recommendations120
A2.5 Greases for Installation, Commissioning and Maintenance123
A2.6 Locking Adhesives for Installation, Commissioning and Maintenance124
A2.7 Measuring Devices for Checking Gas Quality124
A2.8 Tools for Reconditioning125
A2.9 Auxiliary Materials and Supplies126
A3 Replacement Parts and Accessories127
A3.1 Servicing Equipment128
A3.2 Replacement of Arcing Contacts129
A3.3 Replacement Parts for Installation Work on Post Insulator and Crankcase129
A4 Handling Used Sulfur Hexafluoride131
A5 Technical Description133
Technical Data: Circuit Breaker Type GL 310-GL 311133
Technical Data: Circuit Breaker Type GL 312 - GL 313134
A5.3 Technical Data: Spring Operating Mechanism135
A6 Slow Operation for Maintenance Purposes137

GE GL 312 F1/4031 P/VR - A3.1 Servicing Equipment

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