MK2200
Gii thiuMK2200 l Rle s bo v kt hp qudng v chm t. Rle ny tnh ton
cci lng ng vo bng k thut s ha.Nhng chc nng tin tin khc bao gm:lp
trnh iu khin ng ra, o v ghili gi tr dng s c. ng dngRle bo v kt hp
qu dng v chm t
MK2200 c dng nhng ni c yu cukhng ch thi gian cho bo v qu dngv
chm t. Chc nng c trngRle s a chc nngBo v qu dng mc thp v mccao cho
h thng 3 phaHai nhm ci t mc thp v mccao cho bo v qu dng phaBo v chm
t mc thp v mc caoHai nhm ci t mc thp v mccao cho bo v chm tBng chn
4 c tnh ng cong IDMTCi t thi gian xc nh mc thp v mc cao
Hin th s cho qu dng pha v dngchm tHin th thong s ci t RleBng ghi
lu li 9 gi tr dng s c gnnht kiu Non-volatileGhi li thi gian vn hnh
ca RleLp trnh linh hot cho cc ng ra caRleNg vo a chc nng bn
ngoiGiao tip RS485 Modbus - RTU
ring bit Bng chn tn s 50 Hz / 60 Hz
Chc nng1 Bo v chng qu dng in phaKhi dng in bt k pha no cao hn
gitr dng ci t mc thp I>, phn t qudng mc thp bt u v gi mt tn
hiuban u ln mn hnh v mt nhm Rle ngra c lp trnh trc. Sau thi gian
trc xc nh bi h s trn t tuyn IDMThay thi gian xc nh t>, phn t qu
dng mc thp s ct v gi mt tn hiu ct hinln trn mn hnh v mt nhm cc rle
ngra c ch nh trc hon thin tnhiu ct qu dng pha mc thp.Khi dng in bt
k pha no cao hn gitr dng ci t mc cao I>>, phn t qudng mc cao
bt u v gi mt tn hiuban u ln mn hnh v mt nhm Rle ngra c lp trnh trc.
Sau thi gian trc xc nh bi thi gian xc nh t>>,
phn t qu dng mc cao s ct v gi mttn hiu ct ln trn mn hnh v mt nhm
cc rle ng ra c ch nh trc honthin tn hiu ct qu dng pha mc cao.
2 Bo v dng chm tKhi dng chm t cao hn gi tr dng chmt mc thp t trc
Io>, phn t chm tmc thp bt u v gi mt tn hiu ban uln mn hnh v mt
nhm cc Rle ng ra c lp trnh trc. Sau thi gian tr cxc nh bi h s trn t
tuyn IDMT haythi gian xc nh to>, khi phn t chmt mc thp s ct v gi
mt tn hiu ctln mn hnh v mt nhm cc rle ng ra c ch nh trc hon thin tn
hiu ctdng chm t mc thp.Khi dng chm t cao hn gi tr dng chmt mc cao t
trc Io>>, phn t chm tmc cao bt u v gi mt tn hiu ban uln mn
hnh v mt nhm cc Rle ng ra c lp trnh trc. Sau thi gian tr cxc nh bi
thi gian xc nh to>>, khi phn t chm t mc cao s ct v gi mttn
hiu ct ln trn mn hnh v mt nhm ccrle ng ra han thin tn hiu ct dng
chmt mc cao.
3 c tnh ng cong mc thpc tuyn ng cong IDMT ca RleMK2200 c hon
thin vi chunBS142-3 v IEC60255-3. Bng chncc c tuyn bao gm:
Dc thng (NI) Rt dc (VI) Cc dc (EI) Dc di (LI) Thi gian xc nh
(DT)4 c tnh mc cao mc ny ch cho php chn thi gianct: tc thi hay thi
gian xc nh (DT).
5 Ng vo bn ngoiChc nng ca ng vo bn ngoi:
Kha chc nng hot ng ca mt hay nhiu trng thi bo v.
Reset tn hiu ct t xa.
Thay i nhm bo v.
Ct Rle MK2200 bi mt thit b
khc.
6 Ng raC 5 rle ng ra c th lp trnh c p ng tn hiu bt u, tn hiu ct
hay
Thng s K thutNG VO Ng vo o lng:Dng nh mc In : 1A hay 5A
Tn s nh mc : 50 hay 60 Hz
Ngng chu ng : lien tc 4 x In
25 x In trong vng 10 sec
100 x In trong vng 1 sec
Cng sut : < 0.3VA ti Inin p ngun nui nh mc:Kiu MK2200-150D :
24 ~ 150 VDC
Kiu MK2200-240A : 198 ~ 265 VAC
Kiu MK2200-240AD : 85 ~ 265 VAC
110 ~ 340 VDCCng sut tiu th:in p vo AC : 6 ~ 10 VAin p vo DC: 5
~ 9 W
Ng vo bn ngoi:Ng vo bn ngoi : 18 ~ 265 VDC
85 ~ 265 VACYU T CHM TMc thp I o> : 0.05 ~ 1.0 xIn, bc
0.01
NG RA5 tip im lp trnh +1 tip im IRF:in p nh mc : 250 VAC /DCnh
mc tip im : 5A
Dng in chu ng 0.2 s : 30Ac im k thut tip im: bn in: 105 ln bn
c
: 5 x 106 ln CHNH XCNgng bo v : 3%
Thi gian tr : 2% trong khong
nh nht 30 ms
chnh xc o lng: 3%
T l hi phc : 95%Thi gian vt qu : thp hn 30 ms
IU KIN NHIT Nhit : -5C n +55C
m : 56 ngy ti 93% RH v 40C khng tch t
c hai tn hiu bt u v ct vi nhau.Rle ng ra th 6 c chc nng nh bos c
cho bn thn MK2200.
7 Cu hnh MK2200Cu hnh ca Rle MK2200 c hon
Mc caoI o>> : 0.05 ~ 10.0 x In , bc 0.05
H s thi gian kt o> : 0.02 ~ 1.0 , bc 0.01
Thi gian x/ mc thp t o>: 0 ~ 300 s 0 ~ 10.0s : bc 0.01
Thi gian x/ mc caot o>> : 0 ~ 300 s 10.0 ~ 100s : bc
0.1
100 ~ 300s : bc 1
YU T QU DNGthin vi bng chn chuyn i mm thao tc pha trc Rle.
Mc thp I >
Mc cao I >>
H s thi gian kt >
: 0.10 ~ 2.50 x In , bc 0.01
: 0.10 ~ 40 x In , bc 0.05 ( 0.1 ~ 10 In ), bc 0.1 ( 10 ~ 40 In
)
: 0.02 ~ 1.0 , bc 0.01
8 o lng v ghi gi tr liChc nng ny cho php ngi s dngxem gi tr dng
in pha v gi tr dngchm t. Mt khc, ngi s dng cngc th xem gi tr dng qu
ti v dngchm t c lu li ti thi im sc trong ngn hng 9 gi tr s c trc
trong b nh Non-volatile.
Thi gian x/ mc thp t > : 0 ~ 300 s 0 ~ 10.0s : bc 0.01
Thi gian x/ mc cao t >> : 0 ~ 300 s 10.0 ~ 100s : bc
0.1
100 ~ 300s : bc 1
GIAO DIN KT NIRS485 Modbus - RTU
Tiu chun th nghimHigh voltage dielectric withstand test
IEC60255-5
High voltage impulse test IEC60255-5
Electrical fast transient IEC61000-4-4, Level 4, power supply
inputs
Electrical fast transient IEC61000-4-4, Level 4, other
inputs
Electrostatic discharge IEC61000-4-2, Class III, air
discharge
Electrostatic discharge IEC61000-4-2, Class III, contact
discharge
1MHz Burst Disturbance IEC60255-22-1
Enclosure protection when panel mounted
2.0 KV rms, 1 min
5 KV, 1.2/50s
4 KV, 5/50ns
2 KV, 5/50ns
8 KV
6 KV
2 KV Common mode
1 KV Differential mode
IP54
C TNH DC THNGt/s10
1
0.1
1
C TNH CC DCt/s100
10
1
0.1
0.01
1
10
10
20
20
k1.00.90.80.70.6
0.5
0.4
0.3
0.2
0.1
0.05
I/I >k1.00.80.60.50.4
0.3
0.2
I/I >
C TNH RT DCt/s10
1
0.1
0.01
1
C TNH DC DIt/s200
100
10
1
0.1
1
10
10
20
20
k1.0
0.8
0.60.50.4
0.3
0.2
0.1
0.05
I/I >k1.0
0.8
0.60.50.4
0.3
0.2
0.1
0.05
I/I >
S U NI IN HNH 1L1L2
KCH THC
142 mm
L3
1
2
3
4
5
6
7
8
9
COM5 A1 ACOM5 A1 ACOM5 A1 A
34
36
35
38
37
40
39
42
41
Trip ContactR1R2R3R4
TrcExternalBinaryInputAuxiliaryinput Uaux
10COM115 A121 A13
14
32
33
31
27
26
28
30
29
22
23
24
25
R5InternalRelayFailureTermination ResistorN-RS485P+
CommunicationCable Shield
198 mm
34 mm
Bn S U NI IN HNH 2L1L2L3
129 1 mmN
1
2
3
4
5
6
7
8
9
COM5 A1 ACOM5 A1 ACOM5 A1 A
34
36
35
38
37
40
39
42
41
Trip ContactR1R2R3R4
Khot lExternalBinaryInputAuxiliaryinput Uaux
10COM115 A121 A13
14
32
33
31
27
26
28
30
29
22
23
24
25
R5InternalRelayFailureTermination ResistorN-RS485P+
CommunicationCable Shield Thng tin t hngKIU
M TMK2200 - 150D Dng cho h thng 50/60 Hz, ngun vo 24 ~ 150
VDC
MK2200 - 240A Dng cho h thng 50/60 Hz, ngun vo 198 ~ 265 VAC
MK2200 - 240AD Dng cho h thng 50/60 Hz, ngun vo 84 ~ 265 VAC
hay 110 ~ 340 VDC
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165 m
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139 1 m
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136 m
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