Powell Power/Vac

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Powell Electrical Systems, Inc.

Service Division - Houston

7232 Airport Blvd • Houston, TX • 77061

Tel: 1.800.480.7273

powellind.com

info@powellind.com

5kV & 15kV

20kA, 25kA, 31.5kA, 40kA, 50kA, & 63kA

1200A, 2000A, 3000A, 3500A, & 4000A FC

01.4IB.67000

Power/Vac® Metal-Clad Switchgear

October 2018

Main Page

Table of Contents4
Ch 1 General Information11
- S Cope12
- P Urpose12
- I Nstruction B Ulletins a Vailable E Lectronically12
Ch 2 Safety13
- S Afe W Ork C Ondition13
- S Afety G Uidelines13
- G Eneral14
- S Pecific14
- S Afety L Abels14
Ch 3 Equipment Description15
- G Eneral15
- P Rimary Ompartment15
- Figure 1 Typical Indoor Power/Vac® Metal-Clad Switchgear Lineup16
- Figure16
- Figure 2 Typical Outdoor Power/Vac® Metal-Clad Switchgear Lineup17
- Figure 3 Interior Metal-Clad Switchgear (Lower Compartment)18
Table a Standard Dimensions18
- S Econdary C Ompartment19
- B Reaker R Emovable E Lement19
Table B Ratings of Medium Voltage Power/Vac Metal-Clad Switchgear19
- B Reaker L Ift T Ruck20
- Atings20
- Ighting I Mpulse W Ithstand (Bil)20
- Ircuit B Reaker R Acking M Echanism20
- E Lement20
- R Emote R Acking21
- P Rimary D Isconnect D Evices21
- B Us Ompartment22
- C Urrent T Ransformer C Ompartment22
- P Rimary Ermination Pace22
- Figure 4 Primary Disconnecting Device - 1200A22
- Figure 5 Primary Disconnecting Device - 3000A22
- Oltage Ransformers23
- C Urrent23
- T Ransformer23
- D Ummy R Emovable E Lement (T Ype Pvd)23
- G Round and Est Evice24
Ch 4 Installation25
- G Eneral25
- R Eceiving25
- Andling25
- S Torage26
- Installation Details for Indoor Power/Vac® Metal-Clad Switchgear28
- Figure 7 Installation Details for Indoor Power/Vac® Metal-Clad29
- Figure 8 Installation Details for Outdoor Power/Vac® Metal-Clad Switchgear30
- Figure 9 Installation Details for Outdoor Power/Vac® Metal-Clad Switchgear (Cont.)31
- Figure 10 Installation Details for Outdoor Power/Vac® Metal-Clad Switchgear with Protected Aisle32
- P Reparation of F Loor a Nchoring33
- B Reaker Emovable Lement40
- T Est C Abinet40
- A Ddition of U Nits to E Xisting E Quipment40
  - Adding Units to Outdoor Equipment Without a Protected Aisle40
  - Adding Units to Outdoor Equipment with a Protected/Common Aisle41
- I Nstructions or41
- I Nstructions for Olting46
- C Onnections48
- Ain Us Ssembly49
Table C Bolt Torque Values for Power/Vac® Medium Voltage Metal-Clad Switchgear49
- Wrapping of Joints50
- Figure 30 Insulation of Bus Bar50
Table D Bus Wrapping Components50
Table E Insulation of Bus Bar50
Table F Insulation of Single Bus Bar Connection Joint51
Table G Insulation of Double Bus Bar Connection Joint51
Figure 31 Single Bus Bar Connection Joint51
Figure 32 Double Bus Bar Connection Joint51
Figure 34 Dead End Bus Joint Insulation52
Table H Insulation of Tee Connection Joint52
Table I Insulation of Dead End Bus Joint52
- Cleaning Bus Insulation53
- P Rimary C Ables53
- Figure 35 Installation of Primary Cables53
- I Nsulating P Rimary C Able T Erminations54
- Figure 36 Cable Termination Joint55
Figure 33 Tee Connection Joint52
Table J Cable Termination Joint55
- G Round F Ault C Urrent T56
- Figure 37 Rear View of Unit Showing Ground Fault Current Transformer56
- Figure 38 Bar-Type Current Transformer Joint Insulation56
Table K Bar-Type Current Transformer Joint Insulation56
- C Ontrol C Ables57
- G Round B Us57
- S Urge Rotection57
- R Oof E Ntrance B Ushings58
- Esting and I Nspection58
- Figure 39 Roof Bushing58
Table L Pothead, Bushing, or Terminator58
Ch 5 Operation60
- G Eneral60
- I Nserting the R Emovable E Lement I Nto the C Ompartment60
- B Reaker R Acking with F Ront D Oor C Losed62
- Figure 40 Lift Truck62
- R Emote R Acking D Evice63
- P Ositive I Nterlock63
- N Egative I Nterlock63
- S Pring Ischarge Nterlock64
- I Nterlock64
- I Nterference I Nterlock65
- C Losing S Pring GAG I Nterlock65
- Figure 41 Left Side Racking Rail66
- Figure 42 Right Side Racking Rail66
- K Ey Ocks67
- Adlocks67
- S Tationary a Uxiliary Switch67
- B Reaker P Osition Switch67
- S Pace H Eaters67
- Figure 43 Stationary Auxiliary Switch & Circuit Breaker Position Indicator67
- K. P Adlocks67
Ch 6 Maintenance69
- G Eneral69
- O Verall M Aintenance P Rocedures69
Ch 7 Recommended Renewal Parts and Replacement Procedures73
- O Rdering I Nstructions73
- R Ecommended R Enewal P Arts73
Table M Accessories74

Powell Power/Vac - Page 75

Table of Contents

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