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Transcript of r µ¦ · Ê´ µ ¦³ Å¢¢ oµ » ·´ (Installation Equipment)eng.rtu.ac.th/ESD/ch4.pdf · •...
(Installation Equipment)(Installation Equipment)
Nutthapong, Power System Design, EE, RTU
• •
• • • • • /
(WireWays) (WireWays)
5-1
5-1
• 50 .
• 4, 5 6 50 . 0.30
• 100 .
150 .
• 0.60
5-1
(Raceway)
1. (Rigid Metal conduit)2. (Intermediate Metal conduit)3. (Electrical Metallic Tubing)4. (Flexible Metal conduit)
1. (RMC, RSC, GRC)
•
• 0.5 6 • 10 ( 3 )•
•
1. (RMC, RSC, GRC)
2. (IMC)
•
• 0.5 4 • 10 ( 3 )•
•
2. (IMC)
3. (EMT)
3. (EMT)
•
• 0.5 2 • 10 ( 3 )•
•
4. (Flexible Metal conduit)
4. (Flexible Metal Conduit)
•
• 0.5 3
•
•
•
( )
, (Coulpings)
•
, (Connector)
•
(Locknut)
•
(Bushing)•
90O angel connector 90O angel elbow
(EMT)
(RMC&IMC)
( . 5.4.2)
1. (Bolt) (Strap) (Screw)
2.
( . 5.4.2)3. (Coulping) (Connector)
(Concretetight)
(Raintight)
4.
75
X
.
( . 5.4.2)5.
( . 5.4.2)
6.
7. 360
8. 3.0 m 0.9 m
( . 5.4.2)
RMC
9. 1.5 m 0.3 m
( . 5.4.2)
(FMC)
•
• ( )
1. ( )2. ( )
3.
4.
• .
THW
• .
NYY
1
4 . . .11-2531 4 (EMT) 1.5
40% EMT 1.5 = 525 . .
THW 4 . . = 21.25 . .
52521.25
24.71
24
.
= 23
2
IMC . 11 -2531 4
1.5 . . 4 2.5 . . 3 4 . . 2
???
1.5 . . - 4 2.5 . . - 3
4 . . - 2
4 (THW)
( . .) ( . .) ( ) ( . .)1.5 11.35 4 45.40
2.5 14.53 3 43.59
4.0 21.25 2 42.50
= 131.49 . .
• 3 40 %
IMC 40% 131.49 . .
34
(Pull Box, Junction Box)(Pull Box, Junction Box)
(Pull Box)
• (Straight pull)
• (Angle pull)
(Straight pull)
8
(Angle pull)
• 6
• 6
(Angle pull)
1 A B
A
B
A = 6 x 3= 18
B = 6 x 3= 18
2 L1, L2 D
L1 = L2= (6x4) + 3 + 2= 29
D = 6x4= 24
3 L1, D W
L1
L1 = (6x3) + 3 +2 + 2 +1.5 +1.5= 28
D W
D = 6 x 1.5= 9
W = D.cos45o
1 92
= 6.4
4 L W
L
• L L = 8 x 3 = 24
W • A 3 0.5
3”-3”
A 1 342 4
328
• B 3” - 2”
B = 4
3”
2”
2”
AB
C
D
W
• C 2” - 2”
C = 338
• D A 2”-2”
D 1 332 8
2716
3”
2”
2”
AB
C
D
W
• W A + B + C + D
3128
5 A, B, C D
A
B C
D
3”
2”
3”2”
A 2 1. 2.
A
B C
D
3”
2”
3”2”
A 1
• A 6 (2”)
(2 2 )
A = (6x2) + 2 + 2= 16
A 2
D = 6 x 2= 12
2”= D.cos45o
1122
182
D
3”
2”
2”
A
• 3” 1 342 4
328
• 2” 3”= 4
D
3”
2”
2”
A
7148
3 12 4 88 2
= 1 A = 16
B
1. 3” B = 8 x 3
= 24
2. 2” B = (6 x 2) + 2 + 2
= 16
B = 24
C
3” 3” = 344
C 1 3 3 3 3 1 34 4 4 4 42 4 4 4 4 2 4
34 44
= 19
3” 4
3”
C
(Wire Way)(Wire Way)
(wireway)
(wireway)
•
•
•
. . . 4
1. 2. 3. 4. (Aruzinc)
. . . .1
. . . .
- 2.4 3.0
- . . . . 1- 1
.1-1
. . . 5.12
•
• (Raintight)•
1.
2. 20
3. 5-11 ( ) 5-12 ( )
• 5-10 30
•
4.
5. 1.50 1.50
3.00
6. 4.50 1
1.50
1.50
7.
8.
75 %
9.
10. -
•
• 20 %
20 H
W
A = W x H
1 THW 4 . .
100x150 .
• 100x150 . 15,000 . .
• 20 %
= 0.2 x 15000 = 3000 . .
THW 4 . . 21.25 . .
300021.25
141.18
141
30
• , ,
2
THW
- 2.5 . . 8 - 6 . . 6 - 10 . . 4 - 25 . . 4
??
2.5 . . 6 . . 10 . . 25 . .
( . .) ( . .) ( ) ( . .)2.5 14.53 8 116.24
6 26.43 6 158.58
10 40.73 4 162.92
25 88.63 4 354.52
= 792.26 . .
= 0.2
= 5 x
= 5 x 792.26
= 3,961.3 . .
50 x 100 . (5000 . .)
= 0.2 x
11-2531 4
(Cable Tray)(Cable Tray)
(Cable Tray)
•
•
•
(Cable Tray)
•
•
•
(Ladder Type)• • •
• (Trough Type)
• (Channel Type)
• • •
(Trough Type)
• Aluzinc sheet Galvanized sheet •
(Channel Type)
(Solid Bottom Type)
. .3-1
x ( .)
- 100 150 .
- 150, 300, 450, 600, 750, 900 .
.
5.15
5.15.1.1
1. MI (Mineral – insulated, Metal – Sheathed Cable), MC (Metal – clad Cable) AC (Armored Cable)
5.15.1.1
2. 50 . .
3.
4.
2. 50 . .
(Qualified Person)
230 . ( 9 )
3.
4.
5. (NYY)
6.
7.
[ . 5.15.3]
1.
2.
(2)3.
(3)
4.
5. ( 1
1 )
4 A, B, C N
Induction Heating !!!
C NA B
A BA B
A BC N
C NC N
(4)
6.
1. 2.
1.
. 5.15.4.1.1
95 . .
** . 5-7 **
95 . .
- 95 . . . 5-7 1
- 95 . . 95 . . . 5-7 2
95 . .
. 5.15.4.1.2
. 5.15.4.1.3
5 -7
95 . .
95 . .
- 95 . . 90
(5.15.4.3.1)
- 95 . . . 5-7 3 (5.15.4.3.2)
- 95 . . 95 . . . 5-7 4 (5.15.4.3.3)
1
. 11-2531 7 3 185 . . 12
. 5.15.4.1.1
95 . .
NYY 3 185 . .
= 61.5 . .
61.5 . 12
750 .
61.5 x 12
738 .
2
. 11-2531 7 3 120 . . 15
.
- 95 . . 90
(5.15.4.3.1)
NYY 3 120 . .
= 50.5 . .
50.5 . 15 90 %
50.5 150.9
841.66 .
900 .
50.5 x 15 0.9 x
3
600 . . 11-2531 7 4 50 . .
.5.15.4.3.2
95 . .
. 5-7 3
600 . 14,000 . .
NYY 4 50 . .
= 1,225.91 . .
11
14000 mm2 1225.91 mm2
14,0001,225.91
11.42
4
. 11-2531 6 3 - 150 . . 6 - 70 . . 3
95 . . 95 . . “
95 . . . 5-7 2”
. 5.15.4.1.3
70 . . - . 1,288.77 . .
NYY 3
150 . . - 56.0 .
NYY 3 70 mm2 1,288.77 mm2
NYY 3 150 mm2 56.0 mm2
3 = 1,288.77 x 3 = 3,866.31 . .
150 . . 6 = 56 x 6 = 336 . .
. 5-7 2
X 5-7 2
X – (30.5 Sd)
X – (30.5 Sd) 3,866.313,866.31 + (30.5 Sd)X3,866.31 + (30.5 x 336)X14,114.31X
X 14,114.31 18,000
** 600 . **
5.15.5.1.1 400 . .
5.15.5.1.3
50 . . 95 . .
2. (5.15.5)
- 120 . . 300 . . . 5-8 1
- 400 . . . 5-8 2
. 5.15.5.1.2
. 5.15.5.1.4
. !!!
5
.11-2531 4 400 . . 7
???
. . . 5.15.5.1.1
400 . .
THW 400 . .
= 33.5 . .
33.5 . . 7
300 .
33.5 x 7
234.50 . .
6
300 . . 11-2531 6 1
150 . . 12
. 5.15.5.1.2
120 . . 300 . .
. . . 5-8 1
300 . 8500 . .
NYY 1 150 . .
= 531.14 . .
8,500531.14
= 16
12
7
11-2531 4 400 . . 6 240 . . 3
400 . . 400 . .
400 . . 5-8
2
. 5.15.5.1.4
240 . . - . 572.79 . .
THW
400 . . - 33.5 .
THW 240 . . 572.79 . .
THW 400 . . 33.5 .
3 = 572.79 x 3 = 1,718.37 . .
400 . . 6 = 33.5 x 6 = 201 . .
. 5-8 2 X – (27.9 Sd)
X 5-8 2
X – (27.9 Sd) 1,718.371,718.37 + (27.9 Sd)X1,718.37 + (27.9 x 201)X7,326.27X
X 7,326.27 8,500
300 .
Bus WayBus Way
(Busway)
•
•
• 10
• ( )
•
• (Housing)
( )• •
• 225, 400, 600, 800, 1000, 1200, 1350, 1600, 2000, 2500,
3000, 4000, 5000 ampere
( )
2 • Polyester film • Epoxy coat
1. Class A ( 105 ) 2. Class B ( 130 )
• Epoxy paint steel
2 • Ventilated housing• Total enclosed housing
(Housing)
• • reactance •
Ventilated housing
(radiator)
Total enclosed housing
• • • • reactance
(feeder) Busway
• Feeder busway
• Plug in feeder busway
Feeder busway
busway (tap)
Plug in feeder busway busway plug in opening
Plug in Outlet
joint
Plug in
• Plug in • Joint • Fitting - Elbow
- Tee- Flanged end- Tap Boxes- Support & Hanger
(plug in)
Plug in opening
61 .
Plug in unit tap
plug in opening
(plug in)
(Joint)• feeder bus
nut
joint
Elbow
90 busway edgewise flatwise
Tee 3 busway branch busway
plug in opening
Flanged End busbar switchboard
Tap Boxes
Plug-in tap box plug-in opening plug-in busway
225-1600 A.
End cable tap box End closer
feeder busway plug-in busway 800-5000 A.
Tap Boxes
Support & Hanger busway
R XL (BusWay)
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