TLSH-20-1-3 TLSH-20-1-3 Current transformer TSHL-20-1-3.
4.9 63
Current transformer TSHL-20-1-3 (TSHL2013, TSHL 20 1 3, TSHL 2013, TSHL 2013, TSHL20-1-3, TSHL20 1 3, TSHL-20-I-III)
Designed for measuring data transmission measurement devices, protection, automation, alarm and control circuits to isolate the secondary connections of high voltage electrical installations in the AC;
The number of secondary windings - 3;
Rated voltage - 20kV;
Maximum operating voltage - 24kV;
Rated secondary - 5A;
Rated primary current - 3000A, 4000A, 5000A, 6000A, 8000A, 10000A, 12000A, 14000A, 16000A, 18000A;
Accuracy class - 0,2 S, 0,2, 0,5 S, 0,5, 5P, 10P.
Electrical measuring instruments
transformers industrial (T-0,66, TSh-0,66, KTPVSH and others)
current transformers

Price:

on request

 

Product information updated 02 April 2024.

Found cheaper?

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Warranty:

12 months.

Warranty extension up to 5 years. 

Terms of delivery:

To all regions of the country, international delivery. 

Product information updated 02 April 2024.

Found cheaper?

Let us know. Our price is the best. 

Warranty:

12 months.

Warranty extension up to 5 years. 

Terms of delivery:

To all regions of the country, international delivery. 

Technical characteristics

Current transformer TSHL-20-1-3 (TSHL2013, TSHL 20 1 3, TSHL 2013, TSHL 2013, TSHL20-1-3, TSHL20 1 3, TSHL-20-I-III)
 
Current transformer TSHL-20-1-3 is designed to signal measurement data measurement devices, protection, automation, alarm and control circuits to isolate the secondary connections of high-voltage electrical installations AC.
 
Technical characteristics of the instrument current transformers TSHL-20-1-3:
 
The number of secondary windings - 3;
Rated voltage - 20kV;
Maximum operating voltage of the device  CT TSHL-20-1-3 - 24kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current device CT TSHL-20-1-3 - 5A;
Rated primary current - 3000A, 4000A, 5000A, 6000A, 8000A, 10000A, 12000A, 14000A, 16000A, 18000A;
Accuracy class of the instrument current transformer TSHL-20-1-3:
- Secondary winding for measurement - 0,2 S, 0,2, 0,5 S, 0,5;
- Secondary protection - 5P, 10P;
Rated secondary current transformer load device TSHL-20-1-3, power factor:
- Cos φ = 1 - secondary winding for measurement - A · 1B, 2B · A · 2.5 A;
- Cos φ = 0,8 - secondary winding for measurement - 3V-30V · A · A;
- Cos φ = 0,8 - secondary protection - 3V-30V · A · A;
Rated current ratio of secondary winding device CT TSHL-20-1-3 for protection - 12-16;
Nominal safety factor of instruments for measuring the secondary - 10, 15, 17, 21;
Three-second thermal current device CT TSHL-20-1-3:
- At rated primary current 3000A-10000A - 120kA;
- At rated primary current 12000A-18000A - 190kA;
Test voltage instrument transformer current TSHL-20-1-3:
- One-minute power frequency - 65kV;
- Lightning impulse full - 125kV;
The estimated value of the resistance of the secondary winding device CT TSHL-20-1-3 DC are listed in Table 1;
 
Table 1 Calculated values ​​of the resistance of the secondary winding device CT TSHL-20-1-3 DC
 
Rated current of the device CT TSHL-20-1-3
DC resistance of the windings
0,2 S, 0,2
0,5 S, 0,5
5P
10P
3000A
0.9 Ohm
4000A
1.2 ohms
5000A
1.5 ohms
6000A
0.9 Ohm
0.7 Ohm
1.4 ohms
0.9 Ohm
8000A
1.3 Ohm
1.0 ft
1.9 Ohm
1.3 Ohm
10000A
1.8 ohms
1.4 ohms
2.5 Ohm
1.8 ohms
12000A
1.9 Ohm
-
1.9 Ohm
14000A
2.4 Ohm
-
2.4 Ohm
16000A
2.96 Ohm
-
2.96 Ohm
18000A
3.2 Ohm
-
3.2 Ohm
 
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 device CT TSHL-20-1-3 are shown in Table 2 and Table 3, respectively;
 
Table 2 Calculated values ​​of the nominal current ratio of secondary winding for protection in terms of rated secondary load in accuracy classes for instrument 5P CT TSHL-20-1-3
 
Rated secondary current transformer load device TSHL-20-1-3, VA
3
5
10
15
20
30
40
50
60
75
100
Ratio of transformation
Rated current ratio
3000/5
54
46
39
33
29
20
19
16
14
12
10
4000/5
56
47
40
36
32
20
23
20
17
15
12
5000/5
56
41
37
34
31
20
24
21
19
16
14
6000/5
56
39
36
33
31
20
24
22
20
18
15
8000/5
56
30
28
27
26
20
22
21
20
18
16
10000/5
55
22
21
21
20
20
19
18
17
16
15
 
Table 3 Calculated values ​​of the nominal current ratio of secondary winding for protection in terms of rated secondary load in accuracy classes for device 10P CT TSHL-20-1-3
 
Rated secondary current transformer load device TSHL-20-1-3, VA
3
5
10
15
20
30
40
50
60
75
100
Ratio of transformation
Rated current ratio
3000/5
37
31
25
20
17
13
11
9
8
6
5
4000/5
38
32
26
22
20
15
13
11
10
8
6
5000/5
38
29
25
22
20
16
14
12
11
10
7
6000/5
39
28
25
22
20
16
15
13
12
10
8
8000/5
38
21
20
19
18
14
14
13
12
11
9
10000/5
37
16
15
15
14
12
12
12
11
10
9
12000/5
39
20
19
18
18
12
15
14
13
12
11
14000/5
38
15
15
14
14
12
13
12
12
11
10
16000/5
36
15
14
13
13
12
10
10
10
9
9
18000/5
41
16
16
15
15
12
14
14
13
12
12
 
Nominal factor of safety devices secondary winding for measurement in accuracy classes at rated primary current device CT TSHL-20-1-3 is shown in Table 4;
 
Table 4 Nominal safety factor of instruments for the measurement of the secondary winding in accuracy classes at the rated primary current of the CT device TSHL-20-1-3
 
Nominal safety factor of instruments for the measurement of the secondary winding, not more, in accuracy classes at rated primary current
Accuracy class
0,5
0,5 S
0,2
0,2 S
3000A
18
10
18
10
4000A
21
10
21
10
5000A
11
10
11
10
6000A
12
12
22
22
8000A
12
12
21
21
10000A
10
10
18
18
12000A
20
20
20
20
14000A
23
23
23
23
16000A
19
19
19
19
18000A
18
18
18
18
 
General view of the device shown in Figure 1;
 
Figure 1: General view of the instrument current transformer TSHL-20-1-3
 
TSHL-20-1-3 - Current transformer - Drawing.
 
Dimensions and weight of the device CT TSHL-20-1-3 are given in Table 5;
 
Table 5: Dimensions and weight of the device CT TSHL-20-1-3
 
Rated primary current
Dimensions.
Weight
D
D1
D2
H
h1
h
L
b1
b2
3000A, 4000A, 5000A, 6000A, 8000A, 10000A
520mm
300mm
351mm
420mm
180mm
25mm
350mm
140mm
180mm
105kg
12000A
680mm
430mm
481mm
390mm
150mm
35mm
390mm
150mm
190mm
132kg
14000A, 15000A, 16000A, 18000A
830mm
555mm
606mm
390mm
150mm
35mm
450mm
150mm
190mm
178kg
 
Be sure to connect the tire contacts the screen transformer marked "W"!;
On molded case transformers are blind holes with a diameter of 32 mm.These holes are four fasteners with which the transformer is fixed in bus;
Fasteners in not included;
Transformers are supplied with protective transparent cover for separate sealing of secondary findings;
In some cases, the limited space and the inability to increase it is crucial impossibility busbars per phase screening, as well as extracts of minimum distances between the axes of adjacent phases to the nearest bend bus. This inevitably leads to an increase in the influence of neighboring busbars on the transformation of the nominal primary current transformer with high degree of accuracy and is the cause of incommensurate tvetstviya this class;
To this end, the instrument transformer TSHL-20-1-3 uses a special technology of secondary windings, the influence of neighboring busbars and bending their own bus.It is allowed to install current transformers unshielded conductors;
The transformers are manufactured in climatic design "UHL" 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 -60 ° C to +50 ° C;
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
- Internal insulation casting, heat resistance class "B" and flammability class FH (PG) 1;
- 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 TSHL-20-1-3 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 the device current transformer windings TSHL-20-1-3 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 TSHL-20-1-3 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.
Rate the product: TLSH-20-1-3
Number of views: 1696
Product rating: 4.8
Number of grades: 317
* rating and all product statistics are updated once a month; information is current as of 18 April 2024

Photos: TLSH-20-1-3

TLSH-20-1-3 transformer image.

TLSH-20-1-3 transformer image.

TLSH-20-1-3 transformer scheme.

TLSH-20-1-3 transformer scheme.

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