Powell PowlVac 1200A, Руководство пользователя

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28 Installation
01.4IB.51000C
PowlVac® Metal-Clad Switchgear
5kV & 15kV
Figure 20 Double Bus Bar Connection Joint
“C”
.50 (12.7)
Min
“A”
4” (101.6) Wide
PAD HV Tape #
4” (101.6) Wide
PAD HV Tape #
“A”
RB Putty *
Framework
“A”
“B”
“C”
“A”
RB Putty *
Framework
“B”
.50 (12.7)
Min
“C”
RB Putty *
Framework
Table G Insulation of Double Bus Bar
Connection Joint
Insulation
Level (kV)
Inner Filler
“A”
Outer Wrap
“B”
“C”
(inches)
Approx. Number of
Rolls per Joint of HV
Tape ∆
2” or 3”
Bars
4” or 6”
Bars
5 or 15
RB Putty* &
3 Layers HV
Tape #
3 Layers HV
Tape ∆
2 Layers
HV Tape ∆
3
½ Roll RB
Putty *
1 Roll HV
Tape #
1 Roll HV
Tape ∆
1 Roll RB
Putty *
1 Roll HV
Tape #
2 Rolls HV
Tape ∆
Note:
* Electrical grade rubber based putty
0282A3529P008 in roll form will be
used to grade voids and smooth out
sharp edges of joints
# HV Tape 0282A3529P005 roll is
.030” x 4” x 30’ long.
∆ HV Tape 0282A3529P004 roll is
.030” x 2” x 30’ long. Apply with
mastic side down.
Figure 21 Tee Connection Joint
+ +
+ +
Epoxy Insulation Thermoplastic Sleeving
or Tape Insulation
.50 (12.7)
Min
.50 (12.7)
Min
“A”
“B”
“C”
“C”
“B”
“A”
Overlap Tape in a
Figure Eight Pattern
RB Putty *
Both Ends
RB Putty *
Both Ends
.50 (12.7)
Min
“A”
“A”
“B”
“B”
.50 (12.7)
Min
Table H Insulation of Tee Connection Joint
Insulation
Level (kV)
Inner Filler
“A”
Outer Wrap
“B”
“C”
(inches)
Approx. Number of
Rolls per Joint of HV
Tape ∆
2” or 3”
Bars
4” or 6”
Bars
5 or 15
RB Putty* &
3 Layers HV
Tape ∆
2 Layers
HV Tape ∆
3
½ Roll RB
Putty *
1 Roll HV
Tape ∆
1 Roll RB
Putty *
1 Rolls HV
Tape ∆
Note:
* Electrical grade rubber based putty
0282A3529P008 in roll form will be
used to grade voids and smooth out
sharp edges of joints. This putty has
no insulation value.
1 roll is 1/8” x 1½” x 5’ long.
∆ HV Tape 0282A3529P004 roll is
.030” x 2” x 30’ long. Apply with
mastic side down.
Courtesy of NationalSwitchgear.com