能源效益守則電力裝置 2007 年版 - emsd.gov.hk · 電力裝置能源效益守則 2007...

22000077 EEDDIITT IIOONN

2007

2007

http://www.emsd.gov.hk/emsd/chi/pee/eersb.shtml

[email protected]

1998

2003

2007 5.1 4 5.4.4 6.1

i

http://www.emsd.gov.hk/emsd/chi/pee/eersb.shtml

2007

1. 1

2. 1

3. 3

4. 44.1 44.2 44.3 44.4 44.5 44.6 44.7 5

5. 85.1 85.2 85.3 85.4 85.5 95.6 9

6. 106.1 106.2 10

7. 117.1 117.2 11

8. 11 EL-1 12 EL-2 13 EL-3 15 EL-4 17 EL-5 18

19 A 30 B

i i

2007

1.

1.1 1.2 1.3 1.4

1.2

(a) 100

(b)

1.3

1.4 ( / )

1.5

2.

" "

" "

" "

" " ( 123 )

" "

" "

" "

" "

" "

1

2007

" " ( 11 ) ( 380 ) 200

" "

" "

" "

" " ( ) 50

" "

" " ( ) ( )

" " 30

" "

" "

" " ( ) ( )

" " ( ) ( )

" ( )" ( )

" "

2

2007

(Ih )2

(%) = h=2 I1

100

I1 =

Ih = h

" " ( )

" " ( ) ( )

50 120

1000 1500 600 900

3.

3.1

3.2

3.3 4

(a)

(b)

(c)

(d)

3

2007

4.

4.1

50 175

4.2

4.1

4.1

2007

1.5%( ) 2.5%

4.7

32 1%( )

100 1.5% 2.5%

4.2A 4.2B

4.2A

( )

50 ( 7671 1992 4D2B 4D4B 4E2B 4E4B)

/ (m /m)

( ) 70

90

1.5 14.5 15.52.5 9 9.54 5.5 66 3.65 3.95

10 2.2 2.3516 1.4 1.4525 0.875 0.92535 0.625 0.67550 0.465 0.49570 0.315 0.33595 0.235 0.25

120 0.19 0.2150 0.15 0.16185 0.125 0.13240 0.095 0.1300 0.0775 0.08400 0.0575 0.065

5

2007

4.2B

/ ( ) 50 ( 7671 1992 4D1B 4E1B)

/ (m /m)

( ) 70

90

/

/

1.5 14.5 14.5 15.5 15.52.5 9 9 9.5 9.54 5.5 5.5 6 66 3.65 3.65 3.95 3.95

10 2.2 2.2 2.35 2.3516 1.4 1.4 1.45 1.4525 0.9 0.875 0.925 0.92535 0.65 0.625 0.675 0.67550 0.475 0.465 0.5 0.49570 0.325 0.315 0.35 0.3495 0.245 0.235 0.255 0.245

120 0.195 0.185 0.205 0.195150 0.155 0.15 0.165 0.16185 0.125 0.12 0.135 0.13240 0.0975 0.0925 0.105 0.1300 0.08 0.075 0.0875 0.08400 0.065 0.06 0.07 0.065500 0.055 0.049 0.06 0.0525630 0.047 0.0405 0.05 0.043800 - 0.034 - 0.036

1000 - 0.0295 - 0.0315

5.

5.1

5.2

6

2007

5

0.85 6.1

5.3

5.4

5.4.1

1000 5

IEEE 112-1991 IEC 34-2 5.1

5.1

(P) (%) 1.1 < P < 1.5 76.2

1.5 < P < 2.2 78.5

2.2 < P < 3 81

3 < P < 4 82.6

4 < P < 5.5 84.2

5.5 < P < 7.5 85.7

7.5 < P < 11 87

11 < P < 15 88.4

15 < P < 18.5 89.4

18.5 < P < 22 90

22 < P < 30 90.5

30 < P < 37 91.4

37 < P < 45 92

45 < P < 55 92.5

55 < P < 75 93

75kWP

2007

5.4.3

0.85 6.1

5.5

0.85 0.85

5.6

5.6.1

/ ( ) /

5.6.2

( )

5.6.3

8

2007

/

6.

6.1

6.1

6.1

6.1

( 380/220 ) I

I

2007

Iu = (Id x 100) Ia

Iu = Id = Ia =

7.

7.1

400 ( 380 )

( ) ( )

7.2

200 ( 380 )

( )

8.

(a) EL-1

(b) EL-2

(c) EL-3

(d) EL-4

(e) EL-5

10

__ / ( ) EL-1

/ *

: :

: ( )

/

(9 )

EL-1:

EL-2:

EL-3:

EL-4:

EL-5:

( )

( )

11

__ / ( ) EL-2

A. ( 4.1 )

50 175

B. ( 4.2 )

/ * _______________ ________%

C. ( 4.3 )

D. ( 4.4 )

/ * ( I b )

%

/ * / * ( I b )

%

12

E. ( 4.5 4.6 )

( )

(F=S= )

( )

( )

I b ( )

( )

( )

(%)

13

F. ( 4.7 )

32 ( )

( )

32

( )

( )

I b ( )

( )

( )

(%)

14

__ / ( ) EL-3

A. ( 5.1 )

B. ( 5.2 )

C. ( 5.3 )

D. ( 5.5 )

(S)

(P)

( )

1.

2 .3 .

15

E. ( 5.4 )

5

( )

( )

( )

(%)

(%)

16

__ / ( ) EL-4

A. ( 6.1 )

( ) ( )

( ) ( ) ( ) (%) (%)

17

__ / ( ) EL-4

B. ( 6.2 )

( )

( )

( )

I R ( )

I Y ( )

I B ( )

I a ( )

I d ( )

I u=(I d x 100)I a

(%)

18

__ / ( ) EL-5

A. ( 7.1 )

400

( I R) ( I Y) ( I B) ( I N)

(V R Y) (V Y B) (V B R) (V R N) (V Y N) (V B N)

( ) /

B. ( 7.2 )

/ 200

( I R) ( I Y) ( I B) ( I N)

/

19

A -

A1 ( )

(Ib) (In) (Iz )

Ib In Iz Ib In Iz

I t (m i n ) = In C 1

a

C 1

g

C 1

i

Iz = I t x Ca x Cg x Ci

I t = 7671:1992 4Ca = Cg =Ci =

A2

I (I1) (I2 , I3 , I4 , . . .)

U1

S = UI S2 = (UI)2= U1 2( I1 2+ I2 2 +I3 2 +I4 2 + . . . .)

2 I1 2 2 I1= U1 cos2 + U1 2sin2 + U1 2( I2 2 +I3 2 +I4 2 + . . . .)

1. ( ) P = U1 I1 cos ( )

2. ( ( )) Q1 = U1 I1sin (

20

)

3. ( kVAd) D2 = U1 2.( I2 2 +I3 2 +I4 2 + . . . .)( )

1. S1 2 = P2 + Q1 2

( cos = P/S1)

2. QT 2 = Q1 2 + D2

3. S2 = QT 2 + P2

(cos = P/S cos (kVAd) ( ( )) )

S1( )

QT D(kVAd)

S( )

Q1( ( ))

P( )

A1-

A3

A3.1

( ) S = 3U IL b ( ) P = 3U I cosL b ( ) Pcopper = 3 Ib

2 r L UL = 380

Ib = ( ) cos = r = L = ( )

21

3 Ib 2 r L% loss =

3U IL b cos

max.% loss U L cos 1000max. r (m /m) = 3 Ib L

4.2A 4.2B

Ib

t = t + Ib

2

(t 30)1 a 2 pIt ta =

tp = = 30

t1 Rt

Rt = R20[1+ 20 (t1 20)]

R2 0 = 20 2 0 = 20 (0.00393/C )

Rt = R0 (1+ 0 1t )

R0 = 0 = (0.00428/C )

R 1+ t 230 + tt 0 1 1R

= 1+ t

230 + tp 0 p p

A3.2 Ib THD

( )

S = U I3 L b

Ib = Ih2 = I + +I I12 22 32 +.......

h=1

22

Ih

( )2

THD = h=2 I1

I = I 1+ THD2b 1

I =Ib

1 1+ THD 2

(UL = U1 ) ( )

P = 3U I1 cosL

UL = 380 I1 = ( ) cos =

= PS

= cos

1+ THD2

( ) ()

Pcopper = (3 Ib + I N ) r2 2 L

IN = ( ) 2 2 2= I + + + ......3 I I3 6 9

Ib = ( ) r = L = ( )

(3 I 2 + I 2 ) r L% loss = b N

3U I cos L 1

1000 max. r (m /m) =

max.% loss (3

3I

b 2

U +

L

I N

I)1

Lcos

4.2A 4.2B

23

Ib IN

(3Ib + I N )2

t1 = ta + 2 (t p 30)(3I t ) ta =

tp =

t1 Rt

R = 1 tt R0 ( + 0 1 )

R0 = 0 = (0.00428/C )

Rt = 1+ 0 1t 230 + t1 Rp 1+ 0t p 230 + t p

A4

100 /SWA/ 30 40

(a) (Cos = 0.85)(b) 1.5% (Cos = 0.85)(c) I3 = 33A I5 = 20A( ( THD) 38.6%)

1.5%(Cos = 0.85)(d) I5 = 70A I7 = 50A I1 1 = 15A(THD

87%) 1.5%(Cos = 1)

(a) Ib = 100A In = 100A I t(min) = 100A

7671 1992

4D4A 25 /SWA/ I t = 110A 4D4B r = 1.5mV/A/m x = 0.45mV/A/m( )

t1 = 30 + 1002 / 1102 x (70 - 30) = 63

63 70 = (230 + 63) / (230 + 70) = 0.98

= 1.5mV/A/m x 0.85 x 0.98 x 100A x 40m = 5V(1.3%)

24

(P) = 3 x 380V x 100A x 0.85 = 56kW

= 3 x 1002 A2 x 0.0015 /m/3 x 0.98 x 40m = 1.02kW(1.82%)

( 1.5% )

(b) 4.2A 1.5%

max.% loss U L cos 1000max. r (m /m) = 3 Ib L

0 015 380 . 1000. V 0 85 =

3 100 A 40 m = 0.7 m /m

4.2A 35 /SWA/ ( 0.625 )

7671 1992

4D4A 35 /SWA/I t = 135A

4D4B r = 1.1mV/A/m x = 0.145mV/A/m

t1 = 30 + 1002 / 1352 x (70 - 30) = 52 52 70 = (230 + 52) / (230 + 70) = 0.94

= 1.1mV/A/m x 0.85 x 0.94 x 100A x 40m = 3.5V(0.92%)

= 3 x 1002 x 0.0011/3 x 0.94 x 40 = 0.716W(1.28%)

( 1.5%)

(c) I3=33A I5=20A(THD 38.6%) 1.5%

I1 = 100A I3 = 33A I5 = 20A

THD = (322 + 202) / 100 = 38.6% Ir ms = I1 (1+THD2) = 100A(1+0.3862) = 107.2A (rms)IN = 3 x 33A = 99A

25

http:0.716W(1.28http:3.5V(0.92http:1.02kW(1.82

025

: I1=100A, I3=33A & I5=20A

-250 -200 -150 -100 -50

0

50 100 150 200 250

0 0.005 0.01 0.015 0.02 0.

Time (s)

Cur

rent

(A)

Red Phase Yellow Phase Blue Phase Neutral

(b) 35 /SWA/

7671 1992

4D4A 35 /SWA/ I t = 135A 4D4B r = 1.1mV/A/m x = 0.145mV/A/m

t1 = 30 + (3 x 107.2 + 99)2/(3 x 135)2 x (70 - 30) = 73( 73

70 )

73 70 = (230 + 73)/(230 + 70) = 1.01 ( )

( ) = (3 x 107.22 - 992) x 0.000635 x 1.01 x 40

= 1.14kW

P = 3 x 380V x 100A x 0.85 = 56kW

= 1.14kW / 56kW x 100 = 2%( 1.5%)

50 /SWA/

7671 1992

4D4A 50 /SWA/ I t = 163A 4D4B r = 0.8mV/A/m x = 0.14mV/A/m

t1 = 30 + (3 x 107.2 + 99)2/(3 x 163)2 x (70 - 30) = 59.6

59.6 70 = (230 + 59.6)/(230 + 70) = 0.965

= (3 x 107.22 - 992) x 0.0008/3 x 0.965 x 40 = 789W

26

= 0.789kW/56kW x 100 = 1.4% ( 1.5%)

(d) I5 =70A I7 =50A I1 1 = 15A (THD 87%) 1.5%(Cos = 1)

I1 = 100A I5 = 70A I7 = 50A I1 1 = 15A (THD = 87% I r ms = 133A)

VSD Harmonic Currents I1=100A, I5=70A, I7=50A & I11=15A (THD=87% & Irms=133A)

-300

-200

-100

0

100

200

300

0 0.005 0.01 0.015 0.02

Time (s)

Cur

rent

(A)

h1

h1+h5+h7+h11

I1 = 100A

I5 = 70A I7 = 50A I1 1 = 15A

THD = (702 + 502 +152)/100 = 87.3%

Ir ms = I1 (1 + THD2) = 100A(1 + 0.8732) = 133A

Ib = I r ms = 133A

In = 160A

I t(min) = 160A

r = max.% loss

3 U L

I

b 2

I1

L cos 1000

15% loss 380 100 1. 1000= 3 1332 40

= 0.465 m /m

4.2A 50 /SWA/ ( 0.465 )

7671 1992

4D4A 50 /SWA/ I t = 163A

4D4B r = 0.8mV/A/m x = 0.14mV/A/m z = 0.81mV/A/m

27

t1 = 30 + 1322 / 1632 x (70 - 30) = 57

57 70 = (230 + 57) / (230 + 70) = 0.965

= 0.8mV/A/m x 0.956 x 133A x 40m = 4V(1.07%)

(P) = 3 x 380V x 100A = 65.8kW

( ) = 3 x 1332 A2 x 0.0008 /m / 3 x 0.956 x 40m = 0.94kW (1.4%) ( 1.5%)

A5

1500kVA 11kV/380V 20

1. 2500 2. 3 x 630

3. 3 x 960

2280 0.85

= 1500kVA x 0.85 = 1275kW

(1) 2500

r = 0.0177m /m( 80 )( )

= 3 x 22802 A2 x 0.0000177 /m x 20m = 5.52kW(0.433%)

(2) 3 x 630

( 4E1B) = 0.074/3 = 0.043 m /m ( 90 )

3 = 0.043/3 m /m = 0.0143 m /m

= 3 x 22802 A2 x 0.0000143 /m x 20m = 4.46kW(0.35%)

(3) 3 x 960

( 4L1B) = 0.082/3 = 0.0473 m /m ( 90 )

3 = 0.0473/3 m /m = 0.0158m /m

= 3 x 22802 A2 x 0.0000158 /m x 20m = 4.93kW(0.387%)

28

http:4.46kW(0.35

B -

__ / ( ) EL-1

/ *

: 1100 : 1400

2500 : 10,000 ( )

0.25 /

(9 )

; EL-1: 1

; EL-2: 1

; EL-3: 1

; EL-4: 1

; EL-5: 1

; ( ) 2

; ( ) 5

__ / ( ) EL-2

A. ( 4.1 )

50 175 ;

B. ( 4.2 )

/ * _______________ ________%

;

30

C. ( 4.3 )

;

D. ( 4.4 )

;

/ * ( I b )

%

/ * / * ( I b )

%

E. ( 4.5 4.6 )

70

( )

(F=S= )

( )

( )

I b ( )

( )

( )

(%)

N1(F) ( )

4 /C

PVC/SWA/PVC 185 110 150 0.85 84 0.9 1.07

N2(F) ( )

4 /C

PVC/SWA/PVC 25 25 63 0.85 3.5 0.26 0.73

N3(F) ( )

4 /C

PVC/SWA/PVC 25 30 63 0.85 3.5 0.31 0.88

N4(F)

4 /C

PVC/SWA/PVC 50 100 65 0.85 36 0.59 1.61

N5(S)

4 /C

PVC/SWA/PVC 95 110/2 140 0.85 78 0.77 0.98

N6(S)

4 /C

PVC/SWA/PVC 25 10 80 0.85 44.8 0.17 0.35

N7(S)

4 /C

PVC/SWA/PVC 185 75 250 0.85 140 1.7 1.22

N8(S)

4 /C

PVC/SWA/PVC 185 80 250 0.85 140 1.82 1.3

N10(S) 4 /C 95 110/2 150 0.85 84 0.88 1.05

31

PVC/SWA/PVC

N11(F)

4 /C

PVC/SWA/PVC 70 20 200 0.85 112 0.76 0.68

B1(S)( )

1000A

47 630 0.85 353 3.5 0.99

B2(S)( )

1200A

89 630 0.85 353 4.7 1.35

B3(F)( )

2500A

110 1700 0.85 950 16.9 1.77

E1(F) ( )

4 /C

FR /SWA/LSOH 16 110 20 0.85 11 0.19 1.7

E2(S) ( )

4 /C

FR /SWA/LSOH 70 55 80 0.85 44.8 0.36 0.8

E4( ) ( )

4 /C

FR /SWA/LSOH 2x240 110 450 0.85 252 3.4 1.34

E6 ( )

4 /C

FR /SWA/LSOH 35 110 46 0.85 25.7 0.46 1.8

E7 ( )

4 /C

FR /SWA/LSOH 16 50 45 0.85 25.2 0.44 1.74

E10 ( )

4 /C

FR /SWA/LSOH 10 50 20 0.85 11 0.14 1.2

E11 ( )

4 /C

FR /SWA/LSOH 10 50 20 0.85 11 0.14 1.2

E12 ( )

4 /C

FR /SWA/LSOH 10 40 20 0.85 11 0.11 1

F. ( 4.7 )

32 ( )

; ( )

32

( )

( )

I b ( )

( )

( )

(%)

LD/1 ( )

4x1/C PVC

25 40 55 1 36 346 0.96

32

__ / ( ) EL-3

A. ( 5.1 )

;

B. ( 5.2 )

;

C. ( 5.3 )

;

D. ( 5.5 )

(S) 1 ,300

(P) 1 ,040

0.8

0 .88

200 ( )

1 . 200

2.3 .

E. ( 5.4 )

5

; ( )

( )

(%)

(%)

33

__ / ( ) EL-3

( )

10 11 89 110 N/A 1 7 7 .5 87 107 N/A 1

10 11 89 110 N/A 4

27 30 90 115 PWM 30kVA

4

5 5 .5 86 110 N/A 1

600 630 96 107 N/A 4

14 15 90 107 PWM 15kVA

3

__ / ( ) EL-4

A. ( 6.1 )

( ) ; ( )

( )

( )

(%)

( )

(%)

(PWM) SCWP 30 46 80

15( )

(PWM) PAU 15 23 80 15

(PWM) VAV 11 17 80 20

B. ( 6.2 )

( )

; ( )

( )

I R ( )

I Y ( )

I B ( )

I a ( )

I d ( )

I u=(I d x 100)I a

(%) N5 150 140 130 140 10 7.1%N7 250 240 230 240 10 4.2%N8 230 240 250 240 10 4.2%B1 600 630 615 615 15 2.4%B2 630 600 615 615 15 2.4%E2 85 80 75 80 5 6.25%

34

__ / ( ) EL-5

A. ( 7.1 )

400

;

; ( I R) ; ( I Y) ; ( I B) ; ( I N)

; (V R Y) ; (V Y B) ; (V B R) ; (V R N) ; (V Y N) ; (V B N)

;; ; ( ) /

B. ( 7.2 )

/ 200

;

; ( I R) ; ( I Y) ; ( I B) ; ( I N)

; /

35

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能源效益守則電力裝置 2007 年版 - emsd.gov.hk · 電力裝置能源效益守則 2007...

Documents

Transcript of 能源效益守則電力裝置 2007 年版 - emsd.gov.hk · 電力裝置能源效益守則 2007...

能源效益守則 電力裝置 2007 年版 - emsd.gov.hk · 電力裝置能源效益守則 2007...

Documents

Transcript of 能源效益守則 電力裝置 2007 年版 - emsd.gov.hk · 電力裝置能源效益守則 2007...

能源效益守則電力裝置 2007 年版 - emsd.gov.hk · 電力裝置能源效益守則 2007...

Transcript of 能源效益守則電力裝置 2007 年版 - emsd.gov.hk · 電力裝置能源效益守則 2007...