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TL-10-3-I-2

32 435 RUB
38 922 UAH

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Current transformer TL-10-3-I-2 (TL103I2, TL 10 3 I 2, TL10-3-I-2, TL10 3 I 2, TL-103I2, TL 103I2, TL-10-3-1-2, TL-10-III-I-II)
 
Current transformer TL-10-3-I-2 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-10-3-I-2:
 
The number of secondary windings - 3;
Rated voltage - 10kV or 11kV;
Maximum operating voltage of the device current transformer TL-10-3-I-2 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TL-10-3-I-2 - 5A;
Rated primary current - 50A, 100A, 150A, 200A, 300A, 400A, 600A, 800A, 1000A, 1500A;
Accuracy class of the instrument current transformer TL-10-3-I-2:
- 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-10-3-I-2, 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-10-3-I-2 - 2-30;
Contact diameter of the primary winding at rated primary current 200A-2000A - 36mm;
A one-second thermal current instrument current transformer TL-10-3-I-2:
- At rated primary current 50A - 2.5 kA
- At rated primary current 100A - 5kA;
- At rated primary current 150A - 7.5 kA
- At rated primary current 200A-10kA;
- At rated primary current 300A - 15kA;
- At rated primary current 400A - 20kA;
- At rated primary current 600A - 31.5 kA
- At rated primary current 800A-1500A - 31.5 kA
Three-second thermal current instrument current transformer TL-10-3-I-2:
- At rated primary current 50A - 10kA;
- At rated primary current 100A - 20kA;
- At rated primary current 150A - 20kA;
- At rated primary current 200A - 20kA;
- At rated primary current 300A - 20kA;
- At rated primary current 400A - 31.5 kA
- At rated primary current 600A - 31.5 kA
- At rated primary current 800A-1500A - 31.5 kA
Rated peak withstand current transformer unit TL-10-3-I-2:
- At rated primary current 50A - 51kA;
- At rated primary current 100A - 51kA;
- At rated primary current 150A - 51kA;
- At rated primary current 200A - 51kA;
- At rated primary current 300A - 51kA;
- At rated primary current 400A - 81kA;
- At rated primary current 600A-1500A - 81kA;
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-10-3-I-2 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-10-3-I-2
 
Rated secondary current transformer load device TL-10-3-I-2, 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
 
The estimated value of the resistance of the secondary winding current transformer unit TL-10-3-I-2 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding current transformer unit TL-10-3-I-2 DC
 
Rated current of the device current transformer TL-10-3-I-2
Accuracy class
DC resistance of the windings
50A, 100A, 200A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.072 Ohm
0.066 Ohm
0.082 Ohm
150A, 300A, 600A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.093 Ohm
0.108 Ohm
0.152 Ohm
400A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.072 Ohm
0.066 Ohm
0.082 Ohm
800A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.148 Ohm
0.166 Ohm
0.18 Ohm
1000A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.194 Ohm
0.208 Ohm
0.226 Ohm
1500A
0,2 S, 0,2, 0,5 S
0,5
5P, 10P
0.29 Ohm
0.31 Ohm
0.47 Ohm
 
Instrument current transformer TL-10-3-I-2 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-10-3-I-2
 
TL-10-3-I-2 - Current transformer - Drawing.
 
Dimensions and weight of the device current transformer TL-10-3-I-2 are shown in Table 3;
 
Table 3 Dimensions and weight of the device current transformer TL-10-3-I-2
 
Rated primary current
Dimensions.
Weight
L
d
B
50A-300A
477mm
36mm
190mm
47kg
400A-1500A
412mm
36mm
190mm
43kg
 
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-10-3-I-2 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-10-3-I-2 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-10-3-I-2 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TL-10-3-I-2

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


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