Eaton 380 VCP-Wind, Instructions For The Use, Operation And Maintenance, Page: 5 / 49

I.B. 70A2580H02
Page v
Effective November 2012
Page
5-3.1 Operation of Stored Energy Mechanism ..................................................................................... 16
5-3.2 Charging ....................................................................................................................................... 16
5-3.3 Closing
Operation ................................................................................................................... 18
5-3.4 Tripping Operation .................................................................................................................. 18
5-4 Control Schemes ................................................................................................................................. 18
5-4.1 Timing ..................................................................................................................................... 18
5-4.2 Secondary Disconnects .......................................................................................................... 18
5-4.3 Secondary Terminal Connections ........................................................................................... 22
5-4.4 Under
voltage Trip Device....................................................................................................... 22
5-5 Interlocks and Interfacing .................................................................................................................... 23
5-6 Levering Mechanism (VCP-Wind Only) ............................................................................................... 23
5-7 Operations Counter ............................................................................................................................. 23
5-8 Ground Contact ................................................................................................................................... 23
5-9 MOC and TOC Switch Operations....................................................................................................... 23
SECTION 6: INSPECTION, MAINTENANCE AND TROUBLESHOOTING
6-1 Introduction ......................................................................................................................................... 25
6-2
Frequency of Inspection and Maintenance .......................................................................................... 25
6-2.1 Qualified Personnel ............................................................................................................... 25
6-2.2 Helpful Tools and Accessory Items ....................................................................................... 25
6-2.3 General Torque Guidelines ................................................................................................... 25
6-3 Inspection and Maintenance Procedures............................................................................................. 27
6-4 Vacuum Interrupter Integrity Test ........................................................................................................ 28
6-5 Insulation............................................................................................................................................. 28
6-6 Insulation
Integrity Check .................................................................................................................... 29
6-7 Primary Circuit Resistance Check ....................................................................................................... 29
6-8 Mechanism Check ............................................................................................................................... 30
6-10.1 CloSure
TM
Test ...................................................................................................................... 30
6-9 Lubrication........................................................................................................................................... 34
6-10 Troubleshooting
Chart ......................................................................................................................... 34
SECTION 7: RENEWAL PARTS
7-1
General .............................................................................................................................................. 38
7-1.1 Ordering Instructions ................................................................................................................. 38
FIGURES
Figure Title Page
1-2 Type VCP-Wind 38kV Drawout Circuit Breaker Outline and Dimensions............................................... 3
3-1
VCP-Wind 38kV Drawout Vacuum Circuit Breaker ................................................................................. 7
3-2 VCP-Wind 38kV Vacuum Circuit Breaker with Front Cover Removed....................................................8
3-3 Rear View VCP-WIND 38kV Drawout Circuit Breaker ........................................................................... 9
3-4 Typical VCP-Wind 38kV Front Cover................................................................................................... 10