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TL-10-2-II-3

28 158 RUB
33 789 UAH

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Current transformer TL-10-2-II-3 (TL102II3, TL 10 2 II 3, TL10-2-II-3, TL10 2 II 3, TL-102II3, TL 102II3, TL-10-2-2-3, TL-10-II-II-III)
 
Current transformer TL-10-2-II-3 is designed for installation in complete switchgear (KRU) and serves to signal measurement information instrumentation and (or) protection and control, to isolate the circuits of secondary compounds of high-voltage electrical installations AC voltage class up to 10kV 50Hz or 60Hz.
Technical characteristics of the instrument current transformer TL-10-2-II-3:
 
The number of secondary windings - 2;
Rated voltage - 10kV or 11kV;
Maximum operating voltage of the device current transformer TL-10-2-II-3 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TL-10-2-II-3 - 5A;
Rated primary current - 200A, 300A, 400A, 600A, 800A, 1000A, 1500A, 2000A, 3000A;
Accuracy class of the instrument current transformer TL-10-2-II-3:
- Secondary winding for measurement - 0,5; 0,5 S, 0,2; 0,2 S;
- Secondary protection - 5P, 10P *;
Rated secondary current transformer load device TL-10-2-II-3 with a power factor:
- Cos φ = 1 - secondary winding for measurement - 1 V · A-2, 5 V · A;
- Cos φ = 0,8 - secondary winding for measurement - 3V-50V · A · A;
- Cos φ = 0,8 - secondary protection - 3V-50V · A · A;
Rated current ratio of secondary winding for protection - 2-30;
Nominal factor of safety devices for the secondary current transformer measuring device TL-10-2-II-3 - 2-30;
Contact diameter of the primary winding at rated primary current 200A-2000A - 55mm;
A one-second thermal current instrument current transformer TL-10-2-II-3:
- At rated primary current 200A-20kA;
- At rated primary current 300A - 20kA;
- At rated primary current 400A - 20kA;
- At rated primary current 600A - 31.5 kA
- At rated primary current 800A-1500A - 40kA;
- At rated primary current 2000A - 40kA;
- At rated primary current 3000A - 40kA;
Three-second thermal current instrument current transformer TL-10-2-II-3:
- At rated primary current 200A - 40kA;
- At rated primary current 300A - 40kA;
- At rated primary current 400A - 40kA;
- At rated primary current 600A - 40kA;
- At rated primary current 800A-1500A - 40kA;
- At rated primary current 2000A - 40kA;
- At rated primary current 3000A - 40kA;
Rated peak withstand current transformer unit TL-10-2-II-3 - 128kA;
Calculated values ​​of the nominal current ratio of secondary winding for protection in terms of rated secondary load in accuracy classes 5P and 10P for the instrument current transformer TL-10-2-II-3 are shown in Table 1;
 
Table 1 Calculated values ​​of the nominal current ratio of secondary winding for protection in terms of rated secondary load in accuracy classes 5P and 10P for the instrument current transformer TL-10-2-II-3
 
Rated secondary current transformer load device TL-10-2-II-3, VA
3
5
10
15
20
30
40
50
60
75
100
Ratio of transformation
Rated current ratio
50/5, 100/5, 200/5, 400/5
42.5
32.5.
20.1
15
11,4
7.9.
6.1
4.9
4,2
3.4
2,5
150/5, 300/5, 600/5
50/1
39.9
26.6
19.9%
15.9
11.3
8.8.
7.2
6.1
4.9
3,7
800/5
53.8
43.3
30.7
23.8
19,4
14.2
11,1
9.2
7.8
64
4.9
1000/5
44,5
38.1
29.6
24.2
20.5
15.6
12,6
10,6
9.1%
7.5
{0}5.8.{/0}{1}  {/1}
1500/5
34.3
29.4
24.1
20
17,7
13.9
11.5
9,8
8.5
7.1
5,6
2000/5
35.7
31/1.
26.5
23
20
16.5
13.9
12
10,6
8,9
7.1
3000/5
36.1
28.7
25.8
23.5
21.6
18.5
16.2
14,4
13
11.3
9.3
 
The estimated value of the resistance of the secondary winding current transformer unit TL-10-2-II-3 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding current transformer unit TL-10-2-II-3 DC
 
Rated current of the device current transformer TL-10-2-II-3
Accuracy class
DC resistance of the windings
50A, 100A, 200A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.1 Ohm
0.13 Ohm
150A, 300A, 600A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.1 Ohm
0.13 Ohm
400A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.135 Ohm
0.175 Ohm
800A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.135 Ohm
0.175 Ohm
1000A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.25 Ohm
0.32 Ohm
1500A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.31 Ohm
0.45 Ohm
2000A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.31 Ohm
0.46 Ohm
3000A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.46 Ohm
0.46 Ohm
 
Instrument current transformer TL-10-2-II-3 for the differential protection is available on request;
General view of the device shown in Figure 1;
 
Figure 1: General view of the instrument current transformer TL-10-2-II-3
 
TL-10-2-II-3 - Current transformer - Drawing.
 
Dimensions and weight of the device current transformer TL-10-2-II-3 are shown in Table 3;
 
Table 3 Dimensions and weight of the device current transformer TL-10-2-II-3
 
Rated primary current
Dimensions.
Weight
L
d
B
200A, 300A
477mm
55mm
190mm
46kg
400A-1500A
412mm
55mm
190mm
44kg
2000A
472mm
55mm
 
55kg
3000A
472mm
-
 
55kg
 
The transformers are manufactured in climatic design "V3" and "T3" and are intended for indoor use in:
Height above the sea level - no more than 1000 m.
- Ambient temperature with the heat the air inside the switchgear - from -45 ° C to +55 ° C for version "F3" and from -10 ° C to +60 ° C for the performance of "T3";
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
- Instruments earthquake resistant when exposed to earthquake intensity 8 points on the MSK-64 at the facility level above ground level up to 70m;
- Appliances intended to be sold in AS, with class security for 3H-001 NP-97 and 2 seismic category for NP-031-01;
- Devices comply with immunity to electromagnetic interference to influence the magnetic field of industrial frequency;
- Equipment CT TL-10-2-II-3 conform to standards of industrial radio class A, Group 1;
In current transformers may be used to account for the secondary windings, Class 0,2 S and 0,5 S with the value of the secondary load below 25% of nominal;
The minimum weight for a current transformer winding device TL-10-2-II-3 accuracy classes 0,2 S and 0,5 S is 1B · A;
The certificate on the current transformers with secondary windings for accounting accuracy classes 0,2 S and 0,5 S indicates the measured current and the angular error at rated secondary burden 1B · A;
Can manufacture transformers with different transformation ratios of secondary windings;
The manufacturer guarantees that the quality of the instrument current transformer TL-10-2-II-3 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TL-10-2-II-3

TL-10-2-II-3 transformer image.
TL-10-2-II-3 transformer image.
TL-10-2-II-3 transformer scheme.
TL-10-2-II-3 transformer scheme.


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