SecoGear Medium-voltage Switchgear Application and Technical Guide DET-882
vi ©2017 General Electric All Rights Reserved
Figure 4-2: Multilin Website Features – Digital Metering Selection ............................................................................................................................ 27
Figure 5-1: General-Purpose Feeder ........................................................................................................................................................................................... 39
Figure 5-2: Transformer Primary Feeder .................................................................................................................................................................................. 40
Figure 5-3: Single-source Incoming Line .................................................................................................................................................................................. 42
Figure 5-4: Dual-Source Incoming Line ..................................................................................................................................................................................... 44
Figure 5-5: Bus Tie ................................................................................................................................................................................................................................. 45
Figure 5-6: Bus Entrance ................................................................................................................................................................................................................... 46
Figure 5-7: Induction Motor Feeder ............................................................................................................................................................................................. 48
Figure 5-8: Reduced Voltage Reactor Start ............................................................................................................................................................................. 49
Figure 5-9: Synchronous Motor Feeder ..................................................................................................................................................................................... 51
Figure 5-10: Sample Lineup – A ..................................................................................................................................................................................................... 52
Figure 5-11: Sample Lineup – B ..................................................................................................................................................................................................... 52
Figure 5-12: Tie Breaker and Aux Tie Stack ............................................................................................................................................................................. 53
Figure 5-13: Bus VTs on Each Side of Tie Breaker ................................................................................................................................................................ 53
Figure 5-14: Feeder Breakers in Upper Compartment ...................................................................................................................................................... 53
Figure 5-15: Bus VT in the Aux Tie Compartment ................................................................................................................................................................ 53
Figure 5-16: Typical Main-Tie-Main Example with Eight Feeder Breakers ............................................................................................................. 54
Figure 6-1: Breaker Compartment ............................................................................................................................................................................................... 55
Figure 6-2: Ground Shoe in Breaker Cell ................................................................................................................................................................................... 56
Figure 6-3: Breaker Position – Disconnected (Green) ......................................................................................................................................................... 56
Figure 6-4: Breaker Position – Intermediate (Yellow) .......................................................................................................................................................... 56
Figure 6-5: Breaker Position – Connected (Red) .................................................................................................................................................................... 56
Figure 6-6: Door Stop and Hinges ................................................................................................................................................................................................ 57
Figure 6-7: Optional IR Viewing Window ................................................................................................................................................................................... 57
Figure 6-8: Optional Lockable T Handle .................................................................................................................................................................................... 57
Figure 6-9: Disconnect Plug Not Mechanically Interlocked ............................................................................................................................................ 58
Figure 6-10: Disconnect Plug Mechanically Interlocked .................................................................................................................................................. 58
Figure 6-11: Rear Door Padlocking Provision ......................................................................................................................................................................... 58
Figure 6-12: Front Door Padlocking Provision ........................................................................................................................................................................ 58
Figure 6-13: Breaker Racking Padlock ....................................................................................................................................................................................... 58
Figure 6-14: Shutter Padlocking Provision ............................................................................................................................................................................... 59
Figure 6-15: Open/Close Pushbutton Locked ......................................................................................................................................................................... 59
Figure 6-16: Open/Close Pushbutton Open ............................................................................................................................................................................ 59
Figure 6-17: CT Mounting in Breaker Compartment .......................................................................................................................................................... 59
Figure 6-18: Typical Ring-Type CTs Mounted in SecoGear Breaker Cell.................................................................................................................. 60
Figure 6-19: Typical Indoor Voltage Transformer ................................................................................................................................................................ 60
Figure 6-20: Rear View of Two high Compartment Showing Cable Trough .......................................................................................................... 60
Figure 6-21: Cable Trough Opening............................................................................................................................................................................................. 61
Figure 6-22: Ground Bus Bar Bolt Locations ........................................................................................................................................................................... 61
Figure 6-23: SecoVac Test Box ....................................................................................................................................................................................................... 61
Figure 6-24: Breaker Racking Mechanism ............................................................................................................................................................................... 61
Figure 6-25: Ground and Test Device ......................................................................................................................................................................................... 62
Figure 6-26: SecoVac Barcode ....................................................................................................................................................................................................... 62
Figure 6-27: SecoVac Nameplate ................................................................................................................................................................................................. 62
Figure 6-28: SecoGear Label ........................................................................................................................................................................................................... 62
Figure 6-29: Section Cutaway (Height, Width, and Depth) .............................................................................................................................................. 64
Figure 6-30: SecoGear Installation Drawing – Indoor Anchoring Method .............................................................................................................. 64
Figure 6-31: SecoGear Primary Indoor Anchoring Method ............................................................................................................................................ 65
Figure 6-32: SecoGear Alternate Indoor Anchoring Method .......................................................................................................................................... 65
Figure 6-33: Installation Top View ................................................................................................................................................................................................ 65
Figure 7-1: Device, Front View ........................................................................................................................................................................................................ 66
Figure 7-2: Device, Contact Arms ................................................................................................................................................................................................. 66
TABLE OF TABLES
Table 1-1: Typical Dimensions for Indoor Construction ...................................................................................................................................................... 2
Table 1-2: Applicable American National Standards Institute (ANSI) Standards .................................................................................................... 3
To Next Page
Loading...
Need help?
General
