Post on 06-Apr-2018
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
1/110
1Schneider Electric Vietnam Vinh Tung Nov 2009
TESYSLa chn mi cho iu khin
v bo v cc thit b ng lc
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
2/110
Schneider Electric Vietnam Vinh Tung Nov 2009 2
NI DUNG M u
n tp ng c v cc gii php khi ng ng c
Tiu chun IEC v phi hp cc thit b bo v
Chn thit b cho cc mch ng lc
PCP offer Gii php tin tin ca Schneider Electric
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
3/110
Schneider Electric Vietnam Vinh Tung Nov 2009 3
NI DUNG M u
n tp ng c v cc gii php khi ng ng c
Tiu chun IEC v phi hp cc thit b bo v
Chn thit b cho cc mch ng lc
PCP offer gii php tin tin ca Schneider Electric
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
4/110
Schneider Electric Vietnam Vinh Tung Nov 2009 4
PCP offer - Nhim v
ng lc
iu khin&
Cung cp gii php trnb ti giao im gia
Offer tocustomers
a range ofproduct &solution providing themwith necessary functions
forPowerControl &
Protection
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
5/110
Schneider Electric Vietnam Vinh Tung Nov 2009 5
Lnh vc hot ng
Lighting
M
M M M M
Distribution
Utilities
Process
Machine
sourceswitching
Terminalloads
Terminalloads
Terminalloads
Circuitswitching
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
6/110
Schneider Electric Vietnam Vinh Tung Nov 2009 6
PCP Telemecanique - V tr dn u
=S= dn u th trng ton cu.
Sn phm t cc tiu chun quc t.
Cc sn phm c thit k vi mc
ch chnh cho iu khin v bo vng c.
Th phn ca PCP Telemecanique lintc tng trng.
21%
Others
35%
12%
8%
6%4%4%4%
2%
4%
Mitsubishi
Nm 2005
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
7/110
Schneider Electric Vietnam Vinh Tung Nov 2009 7
PCP Telemecanique Sn phmBin tn
6%
B khi ng tch hp3%
Cng-tc-t> 100A9%
Hp khi ng3%
Cng-tc-t iu khin5%
Ph tr6%
p-t-mtcho ng c
18%
Cng-tc-tAC < 100A33%
Cng-tc-tK
5%
Cng-tc-tDC < 100A4%
R-le nhit < 100A8%
5%
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
8/110
Schneider Electric Vietnam Vinh Tung Nov 2009 8
NI DUNG M u
ng c v cc gii php khi ng ng c
Tiu chun IEC v phi hp cc thit b bo v
Chn thit b cho cc mch ng lc
PCP offer gii php tin tin ca Schneider Electric
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
9/110
Schneider Electric Vietnam Vinh Tung Nov 2009 9
Np my
Np thng giQut thng giStato
biVt nh v
Rto lng sc biNp my
ng c khng ng b ng c ch lc trong cng nghip u im
Cu to n gin, gi thnh r Vn hnh d dng
Khng cn bo dng
Lm vic tin cy
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
10/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
ng c khng ng b - c tnh
Load torque
maximum
zone during
runningphase
Load torque maximum zoneduring starting phase
Control andProtection
during
running
phase
Control and
Protection
during starting
phase
RatedTorque
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
11/110
Schneider Electric Vietnam Vinh Tung Nov 2009 11
c tnh dng khi ng trc tip
0
50
100
150
200
250
300
100 90 80 70 60 50 40 30 20 10 0
s (%)
Mmen(%)
0
100
200
300
400
500
600
700
Dngin(%)
Dng in khi ngtng vt (gp 6 ln dng
nh mc) c th nhhng bt li ti ngunin.
Qu dng nguy himcho ng c.
Dng khi ng ln c
th gy sc vi ng c,lm h hng cc c cu ckh.
Dng khi ng gimdn khi tc ng ctng ln.
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
12/110
Schneider Electric Vietnam Vinh Tung Nov 2009 12
Khi ng trc tip - D.O.L Starting inpkhi ng = 100% Dng khi ng = 4 to 8 In
Mmen khi ng = 0.6 to 1.5Tn
u im: Thit b khi ng n gin
Gi thnh r Mmen khi ng ln
Nhc im:
Dng khi ng (v trong mt s trng hp l c mmen khing) ln Ngun in phi c k h nng chu c dng khi ng ln Sc v hao mn c kh khi khi ng
ng dng thng gp:
Cc my truyn ng, my cng ccng sut nh, thng khi ng cti
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
13/110
Schneider Electric Vietnam Vinh Tung Nov 2009 13
Khi ng Y/D inpkhi ng = 58% Dng khi ng = 1.3 to 2.6 In
Mmen khi ng = 0.2 to 0.5 Tn
u im: B khi ng n gin, gi r Hn ch dng khi ng thp
Nhc im: Mmen khi ng thp Khng hiu chnh c cc thng s khi ng Chuyn i Y/D dn ti qu dng in gi tr ln
ng dng thng gp:
My chy khng ti, hoc ti nh(Bm ly tm, qut...)
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
14/110
Schneider Electric Vietnam Vinh Tung Nov 2009 14
Khi ng Y/D
3 3
Z
U
Z
U
U/
U= .Z.Is
IsI
U=Z.I/
Is=I/3
3
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
15/110
Schneider Electric Vietnam Vinh Tung Nov 2009 15
Khi ng Y/D
Thi gian khi ng8 ti 20 giy Chuyn i
40ms
KM1 + KM2 ng
Ni sao
ng KM3
Ni tam gic
M KM1
I>>>> I>>>> I>>>>
M3~
Q1
- KM2
L1L2
L3
TOR
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
U V W
Z X Y
2 4 6
- KM1- KM3
21
95
96
22
13
14
13
14
53
54
TOR
- KM2
Off
On
55
56
67
68
- KM221
22- KM3
21
22
A2
A1
A2
A1
A2
A1
- KM3- KM2- KM1
F1
N
- KM1
- KM1
Mch iu khin
Dng rle thi gianng tr LADS2
L1
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
16/110
Schneider Electric Vietnam Vinh Tung Nov 2009 16
0
50
100
150
200
250
300
100 90 80 70 60 50 40 30 20 10 0
H s trt (%)
Mmen(%)
0
100
200
300
400
500
600
700
Dng
in(%)
Chuyn mchKhi ng Y/D
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
17/110
Schneider Electric Vietnam Vinh Tung Nov 2009 17
Khi ng vi bin p t ngu (BATN) inpkhi ng = 40/65/80% Dng khi ng = 1.7 to 4 In
Mmen khi ng = 0.4 to 0.85 Tn
u im: c tuyn dng/mmen khi ng ph hp C th iu chnh cc thng s khi ng Khng b gin on ngun cp khi chuyn mch
Nhc im: Gi thnh BATN Hn ch s ln khi ng
ng dng thng gp:
My c mmen qun tnh ln, khikhi ng i hi phi hn ch dng(v/hoc mmen) khi ng
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
18/110
Schneider Electric Vietnam Vinh Tung Nov 2009 18
Khi ng vi bin p t ngu (BATN)
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
19/110
Schneider Electric Vietnam Vinh Tung Nov 2009 19
Khi ng vi Soft-starter Dng khi ng = iu chnh c, 2In to 5In Mmen khi ng = iu chnh c, 0.1 to 0.7 Tn
u im: iu chnh mm cc thng s khi ng Kch thc nh gn D dng thch ng vi cc ng dng khc nhau
Nhc im: Gi thnh
ng dng thng gp:
My yu cu khi ngm, mn (bm ly tm,qut, v bng chuyn)
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
20/110
Schneider Electric Vietnam Vinh Tung Nov 2009 20
Khi ng vi Soft-starter Cu to t 3 cp thyristor mc song song ngc. Nguyn l: khng ch in p, hn ch dng in v iu
khin mmen gip khi ng m.
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
21/110
Schneider Electric Vietnam Vinh Tung Nov 2009 21
NI DUNG M u
n tp: ng c v cc gii php khi ng ng c
Tiu chun IEC v phi hp cc thit b bo v
Chn thit b cho cc mch ng lc
PCP offer gii php tin tin ca Schneider Electric
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
22/110
Schneider Electric Vietnam Vinh Tung Nov 2009 22
Thng k nguyn nhn gy hng ng c
35%
10%
18%
5%10%
12%
10%
Qu ti
m
Bi bm
Lo ha
Mt pha bi
Khc
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
23/110
Schneider Electric Vietnam Vinh Tung Nov 2009 23
Cc chc nng ca mch iu khin ng c
Mng phn phi in h th
IEC 60 947-4-1 9.3.3.6.6
IEC 60 947-1 2.2.8
IEC 60 947-4-1 8.2.5 and IEC 60 947-2
IEC 60 947-4-1 5.7 and 8.2.1.5
IEC 60 947-4-1iu khin
Cch ly
ng ct
Bo v ngn mch
Bo v qu ti
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
24/110
Schneider Electric Vietnam Vinh Tung Nov 2009 24
Cc chc nng ca mch iu khin ng c
Mng phn phi in h th
iu khin
Cch ly
ng ct
Bo v ngn mch
Bo v qu ti
Dao Cch LyTeSysVARIO
IEC 60 947-3
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
25/110
Schneider Electric Vietnam Vinh Tung Nov 2009 25
Cc chc nng ca mch iu khin ng c
Mng phn phi in h th
iu khin
Cch ly
ng ct
Bo v ngn mch
Bo v qu ti
p-t-mtTeSysGV
IEC 60 947- 2
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
26/110
Schneider Electric Vietnam Vinh Tung Nov 2009 26
Cc chc nng ca mch iu khin ng c
Mng phn phi in h th
iu khin
Cch ly
ng ct
Bo v ngn mch
Bo v qu ti
Cng-tc-tTeSysK
TeSysDTeSysF
Bar Contactors
IEC 60 947- 4 -1
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
27/110
Schneider Electric Vietnam Vinh Tung Nov 2009 27
Cc chc nng ca mch iu khin ng c
Mng phn phi in h th
iu khin
Cch ly
ng ct
Bo v ngn mch
Bo v qu ti
B khingtch hp
TeSysU
Cng sut
iu khin
IEC 60 947- 6
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
28/110
Schneider Electric Vietnam Vinh Tung Nov 2009 28
motor starter
Switch(cu dao)
Cu daoti
Cng-tct
R lenhit
ptmtkiu
t in
ptmtkiu
t nhit
Thit btch hp
Cch ly
ng ct
Ngn mchQu ti
iu khin
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
29/110
Schneider Electric Vietnam Vinh Tung Nov 2009 29
Phi hp cc thit b bo v Phi hp cng-tc-t v cc thit b bo v
2 gi
1 gi30 pht
10 pht
5 pht
2 pht
1 pht
20 giy
10 giy
5 giy
2 giy
1 giy1 2 3 4 5 6 8 10 17 In
Ngn mchQu ti Kt rto
Dng k x Ie
Thi gian
KhKhii ngng
BBoo vv ququ ttii
BBoo vv ngngnn mmchch
BreakingBreaking capacitycapacityccaa cngcng--ttcc--tt
NgNgngng phph hhyyccaa thithitt bb bboo vvququ ttii
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
30/110
Schneider Electric Vietnam Vinh Tung Nov 2009 30
Tiu chun IEC - Ph
i h
p cc thi
t b
b
o v
nh ngha Th nghim thit b khi ng trong iu khin s c. Mch khi ng phi ckh
nng ct dng s c nhanh nht, khng gy nguy him cho con ngi v hthng.
Khng c phi hp bo v Rt nguy him cho con ngi. L ngungyha hon cho nh my, phn xng.
Phi hp kiu 1 (Type 1 coordination IEC 947-4-1) Khng gy nguy him cho con ngi v h thng. Thit b khi ng c th b h hng. Trc khi khi ng li, cn kim tra v thay
th thit b khi ng.
Phi hp kiu 2 (Type 2 coordination IEC 947-4-1) Thit b khi ng khng b h hng. Tip im cng-tc-t c th b dnh. Trng hp ny, tip im phi c tch ra
d dng.
Phi hp ton b (Total coordination IEC 947-6-2) Thit b khi ng khng b h hng. Cch in vn c duy tr. V thit b khi ng phi lm vic c ngay, khng
cn kim tra.
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
31/110
Schneider Electric Vietnam Vinh Tung Nov 2009 31
M M M
p phn phi
R-le trung gian
Cng-tc-t
R-le nhit
S lng sn phmp phn phi 1 pcR-le trung gian 13 pcs
Cng-tc-t 13 pcsR-le nhit 13 pcs
H thng iu khin
R-le trung gian iu khin bi PLC.Cng-tc-t xoay chiu c iu khinbi c c r-le trung gian.
c im: Nhiu mch cng-tc-tv r-le nhit ni vi mt p-t-mtchung.
Th d
: Khng c ph
i h
p bo v
Bo v nhm
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
32/110
Schneider Electric Vietnam Vinh Tung Nov 2009 32
Thi gian
1 gi
5 giy
2 giy
1 giy
Dng ink x Ie
1 4 6 8 10 17 30
c tnhbo vngn mch
c tnhrle nhit
c tnhkhi ng
ng c
Gii hn ct ca
cng-tc-t(IEC 947-4)
Gii hn nhitca O/L relay
ng c v cc thit b c bo v nh th no?
Khng ph
i h
p bo v
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
33/110
Schneider Electric Vietnam Vinh Tung Nov 2009 33
GV2ME / RS
LC1
+
Cch lyI>> Bo v ngn mchBo v qu ti
LC1 breaking capacity (IEC 947-4)
Gii hn nng chy tip im
i
t
Dng khi ng
c tuyn bo v GV2 ME/RS
iu khin
Th d: Khng c phi hp bo v
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
34/110
Schneider Electric Vietnam Vinh Tung Nov 2009 34
Thi gian
Dng ink x Ie
1 4 6 8 10 17 30
c tnhr le nhit
Dngkhi ng
ng c
Kh nng ct
ca cng-tc-t(IEC 947-4)
Gii hn nhitca O/L relay
Bo vngn mch
Bo vngn mch
Bo vngn mch
Bo vngn mch
Bo vngn mch
Bo vngn mch
By gi ng c v cc thit b c bo v
1 gi
5 giy
2 giy
1 giy
Phi hp cc thit b bo v
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
35/110
Schneider Electric Vietnam Vinh Tung Nov 2009 35
GV2ME / RS
LC1
+
Cch lyI>> Bo v ngn mchBo v qu ti
LC1 breaking capacity (IEC 947-4)
Gii hn nng chy tip im
i
t
Dng khi ng
Ngng bo v ca GV2 ME/RS
iu khin
Phi hp bo v mc 1: Type 1 coordination
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
36/110
Schneider Electric Vietnam Vinh Tung Nov 2009 36
GV2ME / RS
LC1
+
Cch lyI>> Bo v ngn mchBo v qu ti
LC1 breaking capacity (IEC 947-4)
Gii hn nng chy tip im
i
t
Dng khi ng
Ngng bo v ca GV2 ME/RS
iu khin
Phi hp bo v mc 2: Type 2 coordination
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
37/110
Schneider Electric Vietnam Vinh Tung Nov 2009 37
breaking capacity (IEC 947-6)
Khng nng chy
i
t
Dng khi ng
Cch lyI>> Bo v ngn mchBo v qu tiiu khin
TeSys U
Ngng bo v ca TeSys U
Phi hp bo v ti u: Total coordination
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
38/110
Schneider Electric Vietnam Vinh Tung Nov 2009 38
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
39/110
Schneider Electric Vietnam Vinh Tung Nov 2009 39
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
40/110
Schneider Electric Vietnam Vinh Tung Nov 2009 40
Chn mc bo v no?
Ty thuc vo iu kin lm vic
Mc ch: ti u gia yu cu sdng ca khch hng v gi thnh lp t
Ty thuc vo iu kin lm vic
Mc ch: ti u gia yu cu sdng ca khch hng v gi thnh lp t
Qut, iu ha khng kh Type 1 B khi ng tiu chun
Dy chuyn ng gi
Thang my Type 2 B khi ng hiu nng cao
Dy chuyn ng chai
Qut thng gi hm ngm Total Coordination
Cng nghip du kh
Mt vi th d:
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
41/110
Schneider Electric Vietnam Vinh Tung Nov 2009 41
NI DUNG
M u
n tp: ng c v cc gii php khi ng ng c
Tiu chun IEC v phi hp cc thit b bo v
Chn thit b cho cc mch ng lc
PCP offer gii php tin tin ca Schneider Electric
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
42/110
Schneider Electric Vietnam Vinh Tung Nov 2009 42
p t mt GV cho ng c Motor CB
Cng sut n 900 kW
Ngng bo v S/C: 12 14.In
Tch hp r-le nhit bo v O/L
Cng sut ct l n ti 100 kA
Options: Tip im ph, cun ct...
bn c ti 100,000 ln ng/ct
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
43/110
Schneider Electric Vietnam Vinh Tung Nov 2009 43
Dngkhi ng
13 x Ir
10 000
T(s)
1 000
100
10
1
0,1
0,01
0,001 k x Ir7,2 x Ir
p-t-mt GV
p-t-mt
phn phi
Trip do dng
khi ng
So snh c tnh bo v
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
44/110
Schneider Electric Vietnam Vinh Tung Nov 2009 44
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
45/110
Schneider Electric Vietnam Vinh Tung Nov 2009 45
Phi hp vi thit b bo v
Tc ng ca dng in ngn mch
Lc in ng ca dng in : to lc y cc tip im lm bin dng dng in h quang ph hy cch in v lm bin dng cc b phn cu thnh
Tc dng nhit lt: lm nng chy cc tip im to h quang in
lm nng chy c c b phn cch in
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
46/110
Schneider Electric Vietnam Vinh Tung Nov 2009 46
Vi thit b bo v khng c hn ch dng
Khi c lc y cc tip im: Phn ng ca cng-tc-t di t c dng ca dng ngn mch
khng b hn ch
iu ny lm nng chycc tip im v hn dnhchng vi nhau
Khng c hn ch dng s c,nng lng a ti to r a hquang cng ln gia cctip im
Nng lng dng ngn mch tolc y cc tip im
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
47/110
Schneider Electric Vietnam Vinh Tung Nov 2009 47
Vi thit b bo v c hn ch dng s c
Khi c lc y cc tip im: Phn ng ca cng-tc-t di t c dng ca dng ngn mch
b hn ch bi thit b bo v
S c c cch ly vtip im cng-tc-tvn duy tr kh nng lmvic tt
Bt u xut hin lc y tip imkhi c s c
Thit b bo v hn ch dng,lc y tip im khng cn
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
48/110
Schneider Electric Vietnam Vinh Tung Nov 2009 48
2 sn phm vs. 3 sn phm
Motor
Motor
30% r hn
GV2ME16
LC1D12
GV2L16
LC1D12
LRD16
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
49/110
Schneider Electric Vietnam Vinh Tung Nov 2009 49
Option: GV2-AF n gin, hiu qu
Ty chn: Ghp ni GV2 vi LC1D
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
50/110
Schneider Electric Vietnam Vinh Tung Nov 2009 50
Ph tr cho p-t-mt TeSys
N/O or N/C or N/O + N/C or N/C + N/Ccontacts
N/O or N/C fault contact + N/C contact N/O or N/C fault contact + N/O contact C/O short-circuit signalling contact
Electric trips, right-hand side mounting 13 voltage ranges from 24 V to 415 V Undervoltage or shunt trips 50 Hz or 60 Hz
Padlocking device For up to 4 padlocks (not included)
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
51/110
Schneider Electric Vietnam Vinh Tung Nov 2009 51
R le nhit
Phn loi rle nhittheo thi gian tc ng
(IEC 947-4)
Vic tiu chun ha thi gian tc ngca rle nhit cho php chn rle
nhit thch ng vi nhiu loi ngdng khc nhau.
Class Thi gian ct ti 7.2 In (giy)10A
10
2030
210
410
620930
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
52/110
Schneider Electric Vietnam Vinh Tung Nov 2009 52
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
53/110
Schneider Electric Vietnam Vinh Tung Nov 2009 53
R-le nhit in t EOCR
ng dng ngy cng yu cu iu khin, bo v khng chng c m cn ti, c cu my mc.
R le nhit bo v vi c tnh I2t phm nh mc qu ticho ng c. R le nhit thng thng khng phn ng ttvi s bin thin nhanh ca ti v trong nhiu trng hpkhng bo v tt c cu my mc.
Rle nhit in t EOCR loi LR97D v LT47 c thit kvi kh nng bo v h thng my ng c v chc nngthng bo li gip nhanh chng khc phc s c.
LR97D
LT47
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
54/110
Schneider Electric Vietnam Vinh Tung Nov 2009 54
D-time, thi gian khi ng v O-time, thi gian lm vic qu ti
R le LR97D v LT47 c thit k lm vic trong mch khing ng c; Chng c cc b phn sau:
Mt nm iu chnh dng in Hai b t thi gian c lp
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
55/110
Schneider Electric Vietnam Vinh Tung Nov 2009 55
c tnh bo v xc nh
O-Time (tg lm vic q u ti)Khi thi gian lm vic qu ti lnhnthi gian t O-time, EOCR s tripkhng ph thuc v omc qu ti.
Shockprotection
Relay trip
D-Time (thi gian khi ng)t thi gian khi ng ng c.EOCR s trip khi thi gian khi ngln hn thi gian t ny. D-timekhng c tc ng ti vic qu ti khing c ang lm vic.
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
56/110
Schneider Electric Vietnam Vinh Tung Nov 2009 56
Thi giankhi ng
Chnh nh I
Dng ( I )
Khi ng
DD--timetime
In
(ng c)
Khi ng
Thi gian(T)OO--timetime
Trip
Lm vic bnh thng
Qu ti nhhn O-time Thi gian qu ti
ln
S lm vic
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
57/110
Schneider Electric Vietnam Vinh Tung Nov 2009 57
Sau khong O-time( Imax > Is )
Sau khong O-time( Imax > Is )
LT 4706 : 0.5 ~ 6ALT 4730 : 3 ~ 30ALT 4760 : 5 ~ 60A( ln hn 60Amps dng thm
CTs )
O-time : 0.5, 1~10 secD-time : 0.5, 1~30 sec c 11 bc chnh
Khi ng: D-TimeLm vic: < 0.5s
( Imax > 3 x Is )
Trong vng 3s
( Imin < 10% of Imax )
LR97D015 : 0.3 ~ 1.5ALR97D07 : 1.2 ~ 7A
LR97D25 : 5 ~ 25ALR97D38 : 20 ~ 38A
O-time : 0.2~0.3, 1~10 sD-time : 0.5, 1~30 s
c 11 bc chnh
Kha rto Mt pha Qu dng
Cc chc nng bo v
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
58/110
Schneider Electric Vietnam Vinh Tung Nov 2009 58
LR97D LT47
Su dy thng dng
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
59/110
Schneider Electric Vietnam Vinh Tung Nov 2009 59
LR97D
LT47
D dng chun on li vi LED
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
60/110
Schneider Electric Vietnam Vinh Tung Nov 2009 60
Cng-tc-t TeSysti 12AAC3
ti 150A
AC3
ti 780A
AC3
ng/ct dng ti 1800 A vi ti AC3
C sn 1 cp tip im N/O, 1 cp N/C
bn c ti 20 triu ln ng/ct
Gii nhit lm vic rng
Ty chn: Tip im ph, chng nhiu...
ti 1800AAC3
Thi b h
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
61/110
Schneider Electric Vietnam Vinh Tung Nov 2009 61
Thit b ph tr
Khi tip im ph NO/NC
R le thi gian ON-Delay/OFF-Delay
R le cho khi ng Y/D LADS2
Thit b chng nhiu
Thit b chng st p
i t t T S
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
62/110
Schneider Electric Vietnam Vinh Tung Nov 2009 62
c im cng-tc-t TeSys
Ti AC1 Ti AC2
Ti AC3 Ti AC4
Making capacity (MC) Breaking capacity (BC) Thermal capacity (Ith) Short-time current capacity
L1
N
off
on
- KM
TOR
Control Circuit
KM
Ti AC AC
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
63/110
Schneider Electric Vietnam Vinh Tung Nov 2009 63
L tt c cc loi ti xoay chiuc h s cng sut ln hn hocbng 0,95.
L tt c cc loi ti in tr:Ti nhit, ti n thp sng (trcc loi n phng in chac t b), ti in phn phi.
Ti AC1 Dng in
Thi gian
Ie
Ngt mch
AC1
Tiintr3pha,3kW
,220V
Id=8A,Ie=8A
Ti AC3
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
64/110
Schneider Electric Vietnam Vinh Tung Nov 2009 64
Thi gian
y l ti tng ng vi vickhi ng ng c khng ngb rto lng sc.
Khi ng mch, dng in quacngtct bng 6 n 8 ln dngin nh mc a ti ng c.
Khi ngt mch, cngtct ngt
dng in bng dng in nhmc qua ng c. Ti thi im, inpg iac c cc cacngtct bng khong 20% inp li. Qu trnh ngt mch d
dng (so vi ti AC2, AC4).
Ti AC3
Thi gian khi ng
Dng in
Id
Ie
Ngt mch
AC3
Thi gian
ngc
3HP,220V,
uY
Id=49A,Ie=8A
Ti AC4
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
65/110
Schneider Electric Vietnam Vinh Tung Nov 2009 65
Thi gian khi ng
Dng in
Id
Ie
Ngt mch
AC4AC2
Thi gian
nh ngha cho trng hp o chiu,hm, hoc inching ca ng c KBrto lng sc.
Khi ng mch, dng in bng 6-8ln dng nh mc. Khi ngt, cng-tct cng ngt dng in bng 6-8ln dng nh mc.
Ti AC4
nh ngha cho trng hp o chiu,hm, hoc inching ca ng c KB
rto dy qun.Ging ti AC4, vi dng in bng2-4 ln dng nh mc.
Ti AC2
Inching
ngc
3HP,2
20V
Id=49A,Ie=8A
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
66/110
Schneider Electric Vietnam Vinh Tung Nov 2009 66
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
67/110
Schneider Electric Vietnam Vinh Tung Nov 2009 67
Cun dy AC Cun DC tiu th nng lng
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
68/110
Schneider Electric Vietnam Vinh Tung Nov 2009 68
A1
A2
PCP Catalogue page 5/48
LC1D09 inrush current 70VA
seal current 7VA
Cun dy AC Cun DC tiu th nng lng
thp
N
S
Nam chm vnh cu
Cun AC & DC tiu th nng lng thp
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
69/110
Schneider Electric Vietnam Vinh Tung Nov 2009 69
Cun AC & DC tiu th nng lng thp
F range of contactors
R
B range of contactors
AC DC
Safety mastered
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
70/110
Schneider Electric Vietnam Vinh Tung Nov 2009 70
u u kiu IP2 bo vchng tip xc v thc.
Sn phm an tonBo v chng tcng v thc.
f y
An instinct for
An ton
Capot.mov
TeSys ff
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
71/110
Schneider Electric Vietnam Vinh Tung Nov 2009 71
Vi cun dy c thit k c gii inp rng (0.7 ti 1.25 U), Cng-tc-tTeSys m bo lm vic tin cy trong as trng hp bin thin in p ngun,k c trong mi trng khc nhit nht.
Lm vic tin cy
Dthit k
TeSys offer
An instinct for
Lun thch nghi
Bobine.mov
Always impeccable
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
72/110
Schneider Electric Vietnam Vinh Tung Nov 2009 72
connectionsy p
SCREW CLAMP: Vi gii php ti u, cp vi tit din khc nhau c
th cng ni v omt u ni tip im.
CLOSED TERMINAL: Thch hp cho cc mi trng c rung ngmnh nh trn xe, tu ha, tu thy...
FAST-ON: u ni n gin, nhanh chng, kiu u ni ny rt phhp cho cc loi thit b lm vic trong mi trng thng xuyn crung ng.
SPRING TERMINAL: Kiu uny rt hiu qu, nhanh chng, tthch nghi v do loi tr c vic phi nh k kimt r a li ccim tip xc.
25 HP = 45 mmTeSys offer
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
73/110
Schneider Electric Vietnam Vinh Tung Nov 2009 73
Cho php cc thit b c inv thit b in t lm vic trongcng mi trng mt cch tin cy,
thit b chng nhiuc th clp t d dng m khng cnbt c dng c no, khng tnthm din tch trong khng gianlp t ca t in.
Cun d y mt chiu lun c lpsn thit b chng nhiul tiu chun ca hng.
Chng nhiu
25 HP = 45 mmTeSys offer
compactKhng cn
u dy!
Bo v thit bin t
Chng nhiu
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
74/110
Schneider Electric Vietnam Vinh Tung Nov 2009 74
g
TeSys offer 25 HP = 45 mm
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
75/110
Schneider Electric Vietnam Vinh Tung Nov 2009 75
Tit kim din tch
90mm
Chvi 90 mm b rng, cng-tc-tcho mch o chiu d dng clp t vi mt kha lin ng c khn gin, gn nh
C snc c b cng cu dy lm sn, giplp t mch in n
gin, gn nh trong thigian ti thiu.
o chiu
TeSys offer 25 HP 45 mm
compact
tesysinv.mov
Gii php cho khi ng Y/D
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
76/110
Schneider Electric Vietnam Vinh Tung Nov 2009 76
Thi gian khi ng8 ti 20 giy Chuyn
i40ms
KM1 + KM2 ng
Ni sao
ng KM3
Ni tam gic
M KM1
I>>>> I>>>> I>>>>
M
3~
Q1
- KM2
L1L2
L3
TOR
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
U V W
Z X Y
2 4 6
- KM1- KM3
Rle thi gian chuyn dng:LAD-S2
p p g
Thit b duy tr - chng dao ng in p
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
77/110
Schneider Electric Vietnam Vinh Tung Nov 2009 77
Tiu chun SEMI F47
Vi mdul LVRT
Vt qu tiu chun SEMI F47
D dng b xung vo mng sn c Gim chi ph lu kho thit b Mm do, thch hp vi nhiu ng dng
Tnh nng vt tri Tch hp b vi iu khin 8-bit Tha mn nhiu tiu chun cng nghip Lp t n gin
iu khin t in
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
78/110
Schneider Electric Vietnam Vinh Tung Nov 2009 78
Transient
iu khin t in
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
79/110
Schneider Electric Vietnam Vinh Tung Nov 2009 79
Dng in qu b gii hn bi in tr mctrong mch cng-tc-t LC1-D.K hoc CS5,CS6
M3 ~KM22 KM3
R R
c c
A2
A1 1
/L1
3/L2
5/L3
1/L1
4/T2
6/T3
- R
- R
LC1-DFK11.. LC1-DPK12..
TeSys U
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
80/110
Schneider Electric Vietnam Vinh Tung Nov 2009 80
TeSys model D
Control
Isolation
Switches
Protection court-circuitShort-circuitprotection
TeSys model U
Overload protection
Switches
Isolation
Control
Short-circuit protection
Overload protection
Tiu chun quc t: IEC/EN 60947-xx-xx
Motor Starter TeSysU
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
81/110
Schneider Electric Vietnam Vinh Tung Nov 2009 81
c im & Gi tr mang li
Lp t n gin: 60% thi gian u dy, 40% khng gian t, ty chn lp t
Bo dng d dng: Total coordination , thng tin trng thi, mdul ha, tho lp d
Tch hp vi h thng mng iu khin: kt ni vi tt c cc mng cng nghip
A1A2
L1,L2,L3
T1,T2,T3
Phn ng lc
Circuit breakerIsolatorSwitchContactor
13/NO
14/NO
21/NC
22/NC
24V DC
Uclient
I th
I>>
Mdul .khin
ProtectionControl
ApplicationMng
ApplicationControl
Ph tr
Auxiliarycontacts
Motor Managment System TeSys T
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
82/110
Schneider Electric Vietnam Vinh Tung Nov 2009 82
TeSys T cung cp
Cc chc nng bo v, cc chc nng o lng v gim st
cho h thng truyn ng 1 pha hoc 3 pha ti 810 A
Kt ni mng, iu khin gim st qua mng
t cu hnh vi phn mm PowerSuit
Cc mdul ca h TeSys T
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
83/110
Schneider Electric Vietnam Vinh Tung Nov 2009 83
MODBUS
Native protocolconnectivity
Native protocolconnectivity
Ethernet TCP/IP
Ground CTHearth Leakage
protection
Hearth Leakageprotection
XX X
Controller expansion module Additionalprotectionfunctions
Additional
protectionfunctions
External CT For up to 810AFor up to 810A
Control UnitOperator
Magelis terminal PC withPowerSuite
orRemote controland monitoring
Remote controland monitoring
Q3 2007
or
Khi iu khin: LTMR
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
84/110
Schneider Electric Vietnam Vinh Tung Nov 2009 84
Dng .mc (internal CT): 0.4 to 8 A or
1.35 to 27 A or
5 to 100 A
Ngun nui: 24 VDC or
100-240 VAC 50/60Hz
Ch lm vic: Overload
Independant
Reverser
Two-Step Two-Speed
Custom Mode
Chc nng bo v: Thermal Overload
Over/Under current
Long Start / Jam
Ground current Motor temperature sensor
Vo/ra:
6 dicrete inputs 4 relay outputs
Ground fault input
Temperature sensor
LTMR...BD/FM
Truyn thng:1
1
1
1
Ethernet TCP/IP
Soft-Starter ATS48: Cc s lm vic
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
85/110
Schneider Electric Vietnam Vinh Tung Nov 2009 85
Gim st dng
in k c khi ngcng-tc-tby-pass
Ni ni tip trong mch ngc u , gip gim cng sut(gim tin u t) soft-starter
S in hnh
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
86/110
Schneider Electric Vietnam Vinh Tung Nov 2009 86
u
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
87/110
Schneider Electric Vietnam Vinh Tung Nov 2009 87
o chiu
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
88/110
Schneider Electric Vietnam Vinh Tung Nov 2009 88
ATS48: Gii php hn ch dng v iu khin
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
89/110
Schneider Electric Vietnam Vinh Tung Nov 2009 89
mmen
So snh phng php hn ch dng in v phng php iukhin mmen
Ti uhat iu khin
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
90/110
Schneider Electric Vietnam Vinh Tung Nov 2009 90
Th d mt my cng c
S dng nhiu loi ng c
ng c chnhng c ph trng c servor
BmBng truynQutv.v
Ti uhat iu khin
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
91/110
Schneider Electric Vietnam Vinh Tung Nov 2009 91
Bo v nhm
M M M
MCCB
Aux. Relay
Contactor
TOR
Thit bMCCB 1 pcAux. Relay 13 pcsContactor 13 pcs
TOR 13 pcs
iu khinS dng r-le trung gian iu khin bi PLC.
Bn thn cc cng-tc-t xuay chiu ciu khin bi c c r-le trung gian.Cc mch iu khin ng c cbo v chung bi mt p-t-mtphn phi MCCB.
Ti uhat iu khin
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
92/110
Schneider Electric Vietnam Vinh Tung Nov 2009 92
Bo v ring MCCB
Aux. Relay
Contactor
TOR
Thit bMCCB 13 pcsAux. Relay 13 pcsContactor 13 pcs
TOR 13 pcs
Mi mch iu khin c mt p-t-mt+ cng-tc-t + r-le nhit.
M MM
iu khinS dng r-le trung gian iu khin bi PLC.
Bn thn cc cng-tc-t xuay chiu ciu khin bi c c r-le trung gian.
Ti uhat iu khin
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
93/110
Schneider Electric Vietnam Vinh Tung Nov 2009 93
Gii php TeSys TeSys GV
TeSys D Thit bTeSys GV 13 pcsTeSys D 13 pcs
Mch iu khinCng-tc-t c iu khin trc tip t
PLC.Lc ny cng-tc-t l loi DC tiu th nnglng thp.
Mt mch iu khin gm mtTeSys GV + mt cng-tc-t LC1-D.
M M M
Ti uhat iu khin
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
94/110
Schneider Electric Vietnam Vinh Tung Nov 2009 94
Kch thc t
60% 100% 30%
Bo v nhm Bo v n l Gii php TeSys
70%size
saving
Ti uhat iu khin
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
95/110
Schneider Electric Vietnam Vinh Tung Nov 2009 95
Thi gian u dy
9 h 10 h 5 h
5htime
saving
Bo v nhm Bo v n l Gii php TeSys
Ti uhat iu khin
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
96/110
Schneider Electric Vietnam Vinh Tung Nov 2009 96
Hiu qu bo v
Khi c ngn mchBo v cp/dy dn Phi hp bo v (MCCB and TOR)
Cc chc nng bo v ng cBo v qu ti Bo v mt pha TOR with this feature
Bo v nhm Bo v n l Gii php TeSys
NI DUNG
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
97/110
Schneider Electric Vietnam Vinh Tung Nov 2009 97
M u
n tp: ng c v cc gii php khi ng ng c
Tiu chun IEC v phi hp cc thit b bo v
Chn thit b cho cc mch ng lc
PCP offer gii php tin tin ca Schneider Electric
Vi ti AC-3
Chn cng-tc-t cho ti AC3/AC4
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
98/110
Schneider Electric Vietnam Vinh Tung Nov 2009 98
Vi ti AC-3Cng tc t ngt khi ng c ang chy. Cng tc t ct dng in nhmc ng c inp thp.
Chn cng tc t cho ti AC-3 theo dng nh mc ng cIn Ith In In
Vi ti AC-4Ct dng c thc hin khi ng c ang khi ng hoc o chiu.Cng tc t ct dng in ln in p nh mc.
Chn cng tc t cho ti AC-4 theo dng ng c
In Ith In
bn in: ph thuc vo yu cu tng ng dng; tn sut bo dng bn in: ph thuc vo yu cu tng ng dng; tn sut bo dng
bn in: 1 ti 2 triu ln ng ct (xem catalog).
112
making capacity
1/8 breaking capacity
In 1/10 breaking capacity
110
making capacity
Chn cng-tc-t ng dng lai AC3/AC4
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
99/110
Schneider Electric Vietnam Vinh Tung Nov 2009 99
ng dngc kt hp inching, o chiu
Chn theo ng dng AC-4,
dng ng c tha mn:In Ith, In , In
bn in xc nh c:
x100
= phn trm ca ng dng AC-4
Dm ====D3
1++++x
100D3D4
1
112
making capacity 1/10 breaking capacity
Dm= bn xc nh
D3 = bn vi ng dng AC-3 (In motor)
D4 = bn vi ng dng AC-4 (6 In motor)
Bi tp
1 Chn cng tc t iu khin mt ng c KB 3 pha rto lng sc55kW/400 V vi ti AC-3 nhit mi trng 40C? bn yu cu: lm
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
100/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
C c g t c t u t g c 3 p a to g sc55kW/400 V, vi ti AC 3, nhit mi trng 40 C? bn yu cu: lmvic 10 nm vi 365 ngy/nm, 24 gi/ ngy v 12 ln khi ng mt gi.
2 Chn cng tc t iu khin mt ng c KB 3 pha rto lng sc11kW/400 V, vi ti AC-3, nhit mi trng 50C? bn yu cu:300,000 ln ng ct.
3 Xc nh bn in ca cng tc t LC1-D25 iu khin ng c KB 11kW/400 V, ng dng lai AC-3/AC-4 vi 20% AC-4? Gi thit vi ng dng
AC-4 cng tc t ct dng bng 6 ln dng nh mc.
4 Mt ng c KB 3 pha rto lng sc cng sut 11 kW/400 V c s dngcho mt cu trc lm vic vi 80% ti AC-4. Chn cng tc t no mbo lm vic c vi 200,000 ln ng ct m khng phi bo dng.
5 Chn cng tc t cho ti AC-3 c dng 100A in p 1000 VAC.
Dm=1.05x106 -> LC1 D115
-> LC1 D25 (Dm=2x106)
Dm=D3/(1+x/100*(D3/D4-1) D3=2x106 D4=70000 x=20 -> Dm=307000
LC1 D50 -> D4=150000 D3=7x106 x=80 Dm=D3/(1+x/100*(D3/D4-1)= 186500
LC1 D115
Chn cng tc t cho ti AC3
in p ti 440V (Vi in p n 690, xem them catalog)
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
101/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
Chn cng tc t cho ti AC3
in p ti 440V (Vi in p n 690, xem them catalog)
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
102/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
Chn cng tc t cho ti AC2 v AC4
in p ti 440V (Vi in p n 690, xem them catalog)
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
103/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
Chn cng tc t cho ti AC2 v AC4
in p ti 440V (Vi in p n 690, xem them catalog)
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
104/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
L1L2
L39
5
TOR
F1Dng rle thi gian
ng tr LADS2
Khi ng Y/D
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
105/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
I>>>> I>>>> I>>>>
M3~
Q1
- KM2
TOR 1 3 5
2 4 6
1 3 5
2 46
1 3 5
2 4 6
1 3 5
2 4 6
U V W
Z X Y
2 4 6
- KM1- KM3
21
96
22
13
14
13
14
53
54
TOR
- KM2
Off
On
55
56
67
68- KM2
21
22
- KM3
21
22
A2
A1
A2
A1
A2
A1
- KM3- KM2- KM1N
- KM1
- KM1
Power Circuit Control Circuit
Bi tp
1 Chn cng tc t cho ng c 500 kW /380 V, khi ng sao/ tam gic.
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
106/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
g g g g
2 Khch hng yu cu mt b khi ng sao/tam gic vi 3 triu ln ng ctiu khin mt ng c 90A /500 V, 50 Hz. Chn cng tc t.
3 Chn cng tc t cho ng c 1400 kW/ 1512 A/ 660 V/ 60 Hz, khi ngsao/tam gic. Thi gian khi ng l 12 giy, 4 ln khi ng / mt gi, vinhit mi trng l 55o C. Yu cu kha lin ng c kh gia 2 cng tct sao tam gic.
500 /3=288kW -> KM2, KM3: LC1 F630; 500 / 3=167kW -> KM1: LC1 F330
1512 /3=873A -> KM2, KM3: LC1 BM; 1512 / 3=504A -> KM1: LC1 F630Dm > 800000 (23 nm)
90 /3=52A -> KM1, KM2, KM3: LC1 D80
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
107/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
Chn cng-tc-t cho ti in tr
AC-1 utilisation category
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
108/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
AC-1 utilisation category 3-phase
In =
Ie (Ith) = 1.05 In
Single-phase
In =
Ie (Ith) = 1.05 In
PU 3
PU
L3
L2
L1
Bi tp Chn cng-tc-t no cho ti l in tr 22 kW, 3 pha, 400V? Nhit
mi trng l 40C. bn yu cu 500,000 ln ng ct.I=22000 / (3*400)=31.8A -> LC1 D18 (Dm=106)
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
109/110
Schneider Electric Vietnam Vinh Tung Nov 2009 10
AC1 graph
Dng in (A)
000 / (3 00) 3 8 C 8 ( 0 )
Kt lun: ch li vi gii php iu khin v bo v
ca Schneider Electric Tit kim
8/3/2019 PCPtraining (Khi Cu Dien Ha AP)
110/110
Schneider Electric Vietnam Vinh Tung Nov 2009 11
Tit kim Dy thit b d chn, gim thi gian thit k Gim thi gian u dy, tit kim khng gian t, ty bin
Tit kim nng lng
Ti u ha v an ton vn hnh Gim thi gian dng my
Gim thi gian v gi thnh khp phc s c Tng cng hiu xut v an ton ca h thng
u ni n gin iu khin, gim st t xa Qun l d liu: chn on li, lu thng s Tch hp vi cch iu khin t ng ha