r µ¦ · Ê´ µ ¦³ Å¢¢ oµ » ·´ (Installation Equipment)eng.rtu.ac.th/ESD/ch4.pdf · •...

Post on 29-Sep-2020

7 views 0 download

transcript

(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)