低压配电系统设计-ABB
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© ABB Group October 27, 2011 | Slide 10
In
Sn 3 *U 20
Cmax I n 100 Ik " uk %
Sn U20 In Ik”: Uk%: Cmax kVA
1.05
T T I
T N T
-
: T = I =
: T = N =
TN S = C =
PE PE
1) I cu
TN-C Ib<= In <= Iz
> I k LLL 2) I 2 t <= k 2 S 2 Z s x I a <= U 0
1) I c u
IT Ib<= In <= Iz
> I k LLL 2) I 2 t <= k 2 S 2 1) Rt x I a <= U L 2a)Z s <= U r /2 I a 2b)Z ' s <= U o /2 I a
…
In Ib
…)
© ABB Group October 27, 2011 | Slide 6
PE
© ABB Group October 27, 2011 | Slide 7
-IEC60364
IEC60364 :
:
i2dt K 2 S2
© ABB Group October 27, 2011 | Slide 8
IT
© ABB Group October 27, 2011 | Slide 26
IT
IT->TT
TT
© ABB Group October 27, 2011 | Slide 27
IT
PE
IT->TN
TN
© ABB Group October 27, 2011 | Slide 28
© ABB Group October 27, 2011 | Slide 29
© ABB Group October 27, 2011 | Slide 3
-IEC60364/GB16895
) ) )
© ABB Group October 27, 2011 | Slide 4
© ABB Group October 27, 2011 | Slide 5
-IEC60364/GB16895
TN
:IT
220V
© ABB Group October 27, 2011 | Slide 17
TN-C
© ABB Group October 27, 2011 | Slide 18
TN TN-C TN-S
• • •
PEN PE PE <L ,N
PEN PE : K2S2>I2t
© ABB Group • October 27, 2011 | Slide 19
?
(
)
© ABB Group October 27, 2011 | Slide 30
?
TT
* L ** S I > I k LLL 2) I 2 t <= k 2 S 2 1) Rt <= 50/I a 2) Rt <= 50/I dn
1) I c u
TN-S Ib<= In <= Iz
> I k LLL 2) I 2 t <= k 2 S 2 Z s x I a <= U 0
© ABB Group October 27, 2011 | Slide 42
:“2.5
”=
?
!
“2.5
2.5 2.5
© ABB Group October 27, 2011 | Slide 43
-“
?
!
© ABB Group October 27, 2011 | Slide 44
<0.1s
?
ห้องสมุดไป่ตู้VC
t
20 years
Iz PVC
1h
70 20
PVC
1,45 * Iz
5s
PVC i²t =
0,1s
Iz
Iz 1,45Iz
© ABB Group October 27, 2011 | Slide 20
k²*S²
0,1s, i²t
10Iz
100Iz
IEC60364-4-43
Ib
In
IZ
Ib In IZ I2 --ACB I2 1.30Ir MCCB 1.30Ir MCB 1.45In 1.60In
TN-C
PEN
PEN
© ABB Group October 27, 2011 | Slide 14
:TN-S
PE PE
RCD
PE
TN-S
© ABB Group October 27, 2011 | Slide 15
:TN-C-S
TNC TNS PE TN-S,
TN-S
PE TN
TN-C-S
© ABB Group October 27, 2011 | Slide 16
500MVA) kVA S: mm2 = 36 ( L
M
R
L (3) S
(2) Uk:
(3) = 22.5( (4)
© ABB Group October 27, 2011 | Slide 9
400 V
Sn [kVA]
uk [%]
4 4 4 4 4 4 4 4 4 6 6 6 6 6 6 6
In [A]
!
<0.1s
0.1s
0.1s 0.1s
20m s
<0.1s EFDP
© ABB Group October 27, 2011 | Slide 45
?
!
10In
1
<0.1s
I2t
2
I²t <
I²t
I2t < ABB
I2t
© ABB Group October 27, 2011 | Slide 46
( )
(
)
DOC
© ABB Group October 27, 2011 | Slide 47
MCCB MCB
MCCB-S2..D @ 415 V
2
1 2 3 4 5
© ABB Group October 27, 2011 | Slide 48
T2 T2-T3 T3 T4 T4 In 160
© ABB Group October 27, 2011 | Slide 49
“2”
© ABB Group October 27, 2011 | Slide 52
© ABB Group October 27, 2011 | Slide 53
© ABB Group October 27, 2011 | Slide 54
3
2
3
4
*
In
**
© ABB Group October 27, 2011 | Slide 31
Icu
Ics,
Icc asym Icc
A
Icw
B
© ABB Group October 27, 2011 | Slide 32
Tmax
10
© ABB Group October 27, 2011 | Slide 33
I2 1.45 IZ
Ir
Ib
IZ
1.45 I
Z
In
© ABB Group October 27, 2011 | Slide 21
I2
5s
I2 t < k2 S2
SIts kA mm2
© ABB Group October 27, 2011 | Slide 22
TT
+ +
© ABB Group October 27, 2011 | Slide 23
-
(m ) U R
X
S>100kVA
R
X
(m ) 2 U0 (1) Sknet 2 Uk %U0 (2)
Ik3
Ur 3 (ZNET Z T ZL ) Ur 2(ZNET Z T ZL )
Sr 100
Ik2
(1) Sknet
R
(4)
L (3) S
X = 0.15m /m X = 0.08m /m
M VA (
L-N-PE L-L-L-PE-L-L-N-PE L
1) I c u
Ib<= In <= Iz
,S,I,G,RCDs
L-N-PE L-L-L-PE L-L-L-N-PEL-N-PE L-L-L-PE L-L-L-N-PE L-PEN
L-L-L-PEN
2
3
4
1 or 2
3
3 or 4
G !!
1
RCDs
)
© ABB Group October 27, 2011 | Slide 36
-
1kA
Ik=1kA
© ABB Group October 27, 2011 | Slide 37
-
/
Ik=60kA
60kA
© ABB Group October 27, 2011 | Slide 38
-
© ABB Group October 27, 2011 | Slide 39
LP Division, 2011-09-22
© ABB Group October 27, 2011 | Slide 2
GB50053-93 GB50052-2009 GB50054-95
10kV
2009
GB50057-2010 GB50343 -2004 GB50062-2008 GB50217 GB50034 -2004 GB50016 GB50055-93 ……
-IEC 60947
CB1
CB1
CB2
CB3
CB2
CB3
© ABB Group October 27, 2011 | Slide 34
Ik=60kA IEC60364-4-43 ( 4-434.5.1 ) IEC-60364-
© ABB Group October 27, 2011 | Slide 35
-
Ik=6.4kA
© ABB Group October 27, 2011 | Slide 40
t
0.1s
t>0.1s 1.6 :1
© ABB Group October 27, 2011 | Slide 41
t<0.1s
I2t at
65kA (A2S)
100A
160A
t>0.1s 1.6 :1
91 144 180 231 289 361 455 577 722 909 1155 1443 1804 2309 2887 3608
Ik" [kA]
2.4 3.8 4.7 6.1 7.6 9.5 11.9 15.2 18.9 15.9 20.2 25.3 31.6 40.4 50.5 63.1
63 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500
RA RB RCD 30mA
TT 220V PE
0V 100A
100A
PE
200V, TT
RB Ik=220/2=110 100A PE 25V
RA
200V
TT
© ABB Group October 27, 2011 | Slide 24
RCD
TN
+
TN – S RCD
© ABB Group October 27, 2011 | Slide 25
PEN
© ABB Group October 27, 2011 | Slide 11
© ABB Group October 27, 2011 | Slide 12
:TT
TT
PE
TT
© ABB Group October 27, 2011 | Slide 13
:TN-C
PEN PE
PE
PEN 220V RCD PEN PEN 4
Ia
1) 2) 3)
© ABB Group October 27, 2011 | Slide 50
Ip Ia = 6…10 Ie Ip = 8…14 Ie Ip = 1.3…1.5 Ia
SCPD(
© ABB Group October 27, 2011 | Slide 51
SCPD) SCPD “1”
In
Sn 3 *U 20
Cmax I n 100 Ik " uk %
Sn U20 In Ik”: Uk%: Cmax kVA
1.05
T T I
T N T
-
: T = I =
: T = N =
TN S = C =
PE PE
1) I cu
TN-C Ib<= In <= Iz
> I k LLL 2) I 2 t <= k 2 S 2 Z s x I a <= U 0
1) I c u
IT Ib<= In <= Iz
> I k LLL 2) I 2 t <= k 2 S 2 1) Rt x I a <= U L 2a)Z s <= U r /2 I a 2b)Z ' s <= U o /2 I a
…
In Ib
…)
© ABB Group October 27, 2011 | Slide 6
PE
© ABB Group October 27, 2011 | Slide 7
-IEC60364
IEC60364 :
:
i2dt K 2 S2
© ABB Group October 27, 2011 | Slide 8
IT
© ABB Group October 27, 2011 | Slide 26
IT
IT->TT
TT
© ABB Group October 27, 2011 | Slide 27
IT
PE
IT->TN
TN
© ABB Group October 27, 2011 | Slide 28
© ABB Group October 27, 2011 | Slide 29
© ABB Group October 27, 2011 | Slide 3
-IEC60364/GB16895
) ) )
© ABB Group October 27, 2011 | Slide 4
© ABB Group October 27, 2011 | Slide 5
-IEC60364/GB16895
TN
:IT
220V
© ABB Group October 27, 2011 | Slide 17
TN-C
© ABB Group October 27, 2011 | Slide 18
TN TN-C TN-S
• • •
PEN PE PE <L ,N
PEN PE : K2S2>I2t
© ABB Group • October 27, 2011 | Slide 19
?
(
)
© ABB Group October 27, 2011 | Slide 30
?
TT
* L ** S I > I k LLL 2) I 2 t <= k 2 S 2 1) Rt <= 50/I a 2) Rt <= 50/I dn
1) I c u
TN-S Ib<= In <= Iz
> I k LLL 2) I 2 t <= k 2 S 2 Z s x I a <= U 0
© ABB Group October 27, 2011 | Slide 42
:“2.5
”=
?
!
“2.5
2.5 2.5
© ABB Group October 27, 2011 | Slide 43
-“
?
!
© ABB Group October 27, 2011 | Slide 44
<0.1s
?
ห้องสมุดไป่ตู้VC
t
20 years
Iz PVC
1h
70 20
PVC
1,45 * Iz
5s
PVC i²t =
0,1s
Iz
Iz 1,45Iz
© ABB Group October 27, 2011 | Slide 20
k²*S²
0,1s, i²t
10Iz
100Iz
IEC60364-4-43
Ib
In
IZ
Ib In IZ I2 --ACB I2 1.30Ir MCCB 1.30Ir MCB 1.45In 1.60In
TN-C
PEN
PEN
© ABB Group October 27, 2011 | Slide 14
:TN-S
PE PE
RCD
PE
TN-S
© ABB Group October 27, 2011 | Slide 15
:TN-C-S
TNC TNS PE TN-S,
TN-S
PE TN
TN-C-S
© ABB Group October 27, 2011 | Slide 16
500MVA) kVA S: mm2 = 36 ( L
M
R
L (3) S
(2) Uk:
(3) = 22.5( (4)
© ABB Group October 27, 2011 | Slide 9
400 V
Sn [kVA]
uk [%]
4 4 4 4 4 4 4 4 4 6 6 6 6 6 6 6
In [A]
!
<0.1s
0.1s
0.1s 0.1s
20m s
<0.1s EFDP
© ABB Group October 27, 2011 | Slide 45
?
!
10In
1
<0.1s
I2t
2
I²t <
I²t
I2t < ABB
I2t
© ABB Group October 27, 2011 | Slide 46
( )
(
)
DOC
© ABB Group October 27, 2011 | Slide 47
MCCB MCB
MCCB-S2..D @ 415 V
2
1 2 3 4 5
© ABB Group October 27, 2011 | Slide 48
T2 T2-T3 T3 T4 T4 In 160
© ABB Group October 27, 2011 | Slide 49
“2”
© ABB Group October 27, 2011 | Slide 52
© ABB Group October 27, 2011 | Slide 53
© ABB Group October 27, 2011 | Slide 54
3
2
3
4
*
In
**
© ABB Group October 27, 2011 | Slide 31
Icu
Ics,
Icc asym Icc
A
Icw
B
© ABB Group October 27, 2011 | Slide 32
Tmax
10
© ABB Group October 27, 2011 | Slide 33
I2 1.45 IZ
Ir
Ib
IZ
1.45 I
Z
In
© ABB Group October 27, 2011 | Slide 21
I2
5s
I2 t < k2 S2
SIts kA mm2
© ABB Group October 27, 2011 | Slide 22
TT
+ +
© ABB Group October 27, 2011 | Slide 23
-
(m ) U R
X
S>100kVA
R
X
(m ) 2 U0 (1) Sknet 2 Uk %U0 (2)
Ik3
Ur 3 (ZNET Z T ZL ) Ur 2(ZNET Z T ZL )
Sr 100
Ik2
(1) Sknet
R
(4)
L (3) S
X = 0.15m /m X = 0.08m /m
M VA (
L-N-PE L-L-L-PE-L-L-N-PE L
1) I c u
Ib<= In <= Iz
,S,I,G,RCDs
L-N-PE L-L-L-PE L-L-L-N-PEL-N-PE L-L-L-PE L-L-L-N-PE L-PEN
L-L-L-PEN
2
3
4
1 or 2
3
3 or 4
G !!
1
RCDs
)
© ABB Group October 27, 2011 | Slide 36
-
1kA
Ik=1kA
© ABB Group October 27, 2011 | Slide 37
-
/
Ik=60kA
60kA
© ABB Group October 27, 2011 | Slide 38
-
© ABB Group October 27, 2011 | Slide 39
LP Division, 2011-09-22
© ABB Group October 27, 2011 | Slide 2
GB50053-93 GB50052-2009 GB50054-95
10kV
2009
GB50057-2010 GB50343 -2004 GB50062-2008 GB50217 GB50034 -2004 GB50016 GB50055-93 ……
-IEC 60947
CB1
CB1
CB2
CB3
CB2
CB3
© ABB Group October 27, 2011 | Slide 34
Ik=60kA IEC60364-4-43 ( 4-434.5.1 ) IEC-60364-
© ABB Group October 27, 2011 | Slide 35
-
Ik=6.4kA
© ABB Group October 27, 2011 | Slide 40
t
0.1s
t>0.1s 1.6 :1
© ABB Group October 27, 2011 | Slide 41
t<0.1s
I2t at
65kA (A2S)
100A
160A
t>0.1s 1.6 :1
91 144 180 231 289 361 455 577 722 909 1155 1443 1804 2309 2887 3608
Ik" [kA]
2.4 3.8 4.7 6.1 7.6 9.5 11.9 15.2 18.9 15.9 20.2 25.3 31.6 40.4 50.5 63.1
63 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500
RA RB RCD 30mA
TT 220V PE
0V 100A
100A
PE
200V, TT
RB Ik=220/2=110 100A PE 25V
RA
200V
TT
© ABB Group October 27, 2011 | Slide 24
RCD
TN
+
TN – S RCD
© ABB Group October 27, 2011 | Slide 25
PEN
© ABB Group October 27, 2011 | Slide 11
© ABB Group October 27, 2011 | Slide 12
:TT
TT
PE
TT
© ABB Group October 27, 2011 | Slide 13
:TN-C
PEN PE
PE
PEN 220V RCD PEN PEN 4
Ia
1) 2) 3)
© ABB Group October 27, 2011 | Slide 50
Ip Ia = 6…10 Ie Ip = 8…14 Ie Ip = 1.3…1.5 Ia
SCPD(
© ABB Group October 27, 2011 | Slide 51
SCPD) SCPD “1”