Трансформаторы тока Lb6-110 Lb7-220
LB6-35(33)(TA,TH)(W1,W2,W3)/LABN6-35
Oil-immersed/filled outdoor single phase current transformer
Type description
LB6-35(33)(TA,TH)(W1,W2,W3)
L: Current transformer
B: With protective class
6: Design no.
35(33): Rated voltage(kV)
TA: Dry tropical zone
TH: Wet tropical zone
W1,W2,W3: Pollution level
LB6-35(33)(TA,TH)(W1,W2,W3) 100Ipn 2.5Ith altitude≤1000m or ≤3500m
LB6-35(33)(TA,TH)(W1,W2,W3) 5-500A 600-1000A 1200-1600A 2000A Oil weight total weight
LVB(T)1-35(W1,W2,W3)
Oil-immersed/filled outdoor single phase current transformer
Type description
LVB(T)1-35(W1,W2,W3)
L: Current transformer
V: Inverted type structure
B: With protective class
T: With transient protective class
1: Design no.
35: Rated voltage(kV)
W1,W2,W3: Pollution level
LVB(T)1-35(W1,W2,W3) 100Ipn 2.5Ith altitude≤1000m or ≤3500m 0.2 0.2S 0.5 0.5S 5P 10P
transient protective winding accuracy class TPY
Primary conductive bar Metal expander porcelain bushing
Oil weight total weight
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Rated primary current I1n(A) |
Thermal current/second (kA effective value) Ith/1s (kA r.m.s) |
Dynamic stable current (kA peak) Idyn |
Accuracy class combination 1S/2S/3S/4S |
Rated secondary output(VA) |
Surface creepage distance(mm) |
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Double transformation ratio |
Single transformation ratio |
Thermal current/4 seconds (kA effective value) Ith/4s (kA r.m.s) |
two transformation ratio |
three transformation ratio |
Short time thermal current (kA effective value) Ith (kA r.m.s) |
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Accuracy limit factor ALF 15, 20,25,30 |
Porcelain bushing creepage distance(mm) |
Rated current ratio(A) |
Rated resistance burden Rb(Ω) 7.5,10,15,20 |
Rated symmetrical short-circuit current factor K 10,15,20 |
Primary time constant Tp 40,60,80,100 |
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Duty cycle C-0.1s-O C-0.1(0.04)s-O C-0.1s-O-0.5s-C-0.1(0.04)s-O |
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