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TNSHL-0,66 (600A-2500A)

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Current transformer TNSHL-0,66 (600A-2500A) (TNSHL0,66, TNSHL 0,66)
 
Current transformer TNSHL-0,66 (600A-2500A) is designed to signal measurement information instrumentation in plants AC 50Hz with rated voltage up to 0.66 kV.
 
Technical characteristics of the instrument current transformers TNSHL-0,66 (600A-2500A):
 
Accuracy class - 0,5; 0,5 S, 0,2; 0,2 S, 1, 10P;
Number of windings - 1;
Rated current of the device CT TNSHL-0,66 (600A-2500A) - 600A, 800A, 1000A, 1500A, 2000A, 2500A;
Rated secondary current of the current transformer unit TNSHL-0,66 (600A-2500A) - 1A, 5A;
Rated secondary burden:
- At cosφ = 0,8 - 5 V · A, 10 V · A · A 15V, 20V · A;
Three-second thermal current device CT TNSHL-0,66 (600A-2500A) - the multiplicity of at least 75;
Rated current ratio at rated primary current:
- 600A - 6;
- 800A - 7;
- 1000A - 8;
- 1200A - 10;
- 1500A - 11;
- 2000A - 12;
- 2500A - 13;
The calculated values ​​of the resistance unit CT TNSHL-0,66 (600A-2500A), reduced to a temperature of 20 º C are shown in Table 1;
 
Table 1 Calculated values ​​of resistance of the device CT TNSHL-0,66 (600A-2500A), reduced to a temperature of 20 º C
 
Rated primary current
The resistance of the secondary windings of the DC with accuracy class
0,2 S
0,2
0,5 S
0.5, 1
10P
600A
0.161 Ohm
0.161 Ohm
0.161 Ohm
0.150 Ohm
0.169 Ohm
800A
0.225 Ohm
1000A
0.281 Ohm
1200A
0.333 Ohm
0.347 Ohm
1500A
0.417 Ohm
0.434 Ohm
2000A
0.610 Ohm
0.578 Ohm
0.610 Ohm
0.578 Ohm
2500A
0.961 Ohm
 
Calculated values ​​of the nominal current ratio of secondary winding device CT TNSHL-0,66 (600A-2500A) for protection in terms of rated secondary load are given in Table 1;
 
Table 1 Calculated values ​​of the nominal current ratio of secondary winding device CT TNSHL-0,66 (600A-2500A) for protection in terms of rated secondary load
 
 Ratio of transformation
 Rated current ratio
Rated secondary burden, B ∙ A
3
5
10
15
20
30
40
50
60
75
100
200/5
11.3
8
4.5
3
2
1,6
1,2
1
0.8
0,7
0,4
300/5
14,4
10
6
4.4
3,5
2,3
1,8
1,5
1,2
 
1
0,7
400/5
17
12
8
6
4
 
3
2
 
2
1
 
 
1
500/5
18
14
9
 
7
5
 
3
 
2
600/5
19
 
15
10
6
4
2
800/5
17
11
8
7
5
4
3
 
3
1000/5
18
16
12
10
8
6
5
4
3
2
1500/5
 
20
17
14
12
10
8
6
5
5
4
3
2000/5
18
 
 
15
 
13
11
9
8
7
6
5
4
3000/5
 
19
 
17
12
10
9
8
7
6
5
4000/5
 
14
 
13
11
 
10
 
9
8
7
6
5000/5
16
12
9
8
8
 
Dimensions of the device CT TNSHL-0,66 (600A-2500A) are shown in Figure 1;
 
Figure 1 Dimensions of the device CT TNSHL-0,66 (600A-2500A)
 
TNSHL-0,66 (600A-2500A) - Current transformer - Drawing.
 
The housing CT TNSHL-0,66 (600A-2500A) is made ​​of self-extinguishing hard inflammable materials;
The transformers are manufactured in model "U" are designed for operation in the following conditions:
Height above the sea level - no more than 1000 m.
Ambient temperature
- In operation - from -45 ° C to +50 ° C;
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
Instrument current transformer TNSHL-0,66 (600A-2500A) has a cast from epoxy resin insulation grevostoykosti class "B" and Flammability PG1;
Earthquake-proof devices when exposed zemletraseny intensity of 8 points on the MSK-64 at the facility level above ground level up to 70m;
Instrument current transformer TNSHL-0,66 (600A-2500A) is for delivery to the AU, with class security for 3H-001 NP-97 and 2 seismic category for NP-031-01;
Warranty period - 8 years from the date of entry into operation of the transformer, but not more than 8.5 years from the date of shipment from the factory;
The warranty applies to devices CT TNSHL-0,66 (600A-2500A) after January 1, 2005;
Service life - 30 years;
Devices CT TNSHL-0,66 (600A-2500A) equipped with protective transparent cover for separate sealing of secondary findings;
In transformers may be used to account for the secondary windings, accuracy classes 0,2 S and 0,5 S with the value of the secondary load below 25% of nominal;
Minimum permissible load current transformer unit TNSHL-0, 66 (600A-2500A) for the windings of accuracy class 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;
The manufacturer guarantees that the quality of the instrument current transformer TNSHL-0, 66 (600A-2500A) to the technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TNSHL-0,66 (600A-2500A)

TNSHL-0,66 (600A-2500A) transformer image.
TNSHL-0,66 (600A-2500A) transformer image.
TNSHL-0,66 (600A-2500A) transformer scheme.
TNSHL-0,66 (600A-2500A) transformer scheme.


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