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TNSHL-0,66 (3000A-6000A)

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Current transformer TNSHL-0,66 (3000A-6000A) (TNSHL0,66, TNSHL 0,66)
 
Current transformer TNSHL-0,66 (3000A-6000A) 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 (3000A-6000A):
 
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 (3000A-6000A) - 3000A, 4000A, 5000A, 6000A;
Rated secondary current of the current transformer unit TNSHL-0,66 (3000A-6000A) - 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 (3000A-6000A) - the multiplicity of at least 75;
Rated current ratio at rated primary current:
- 3000A - 13;
- 5000 A - 15;
- 4000A, 6000A - 14;
The calculated values ​​of the resistance unit CT TNSHL-0,66 (3000A-6000A), 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 (3000A-6000A), 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
3000A
-
0.829 Ohm
4000A
1.433 Ohm
5000A
1.839 Ohm
6000A
1.832 Ohm
 
Calculated values ​​of the nominal current ratio of secondary winding device CT TNSHL-0,66 (3000A-6000A) 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 (3000A-6000A) 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 (3000A-6000A) are shown in Figure 1;
 
Figure 1 Dimensions of the device CT TNSHL-0,66 (3000A-6000A)
 
TNSHL-0,66 (3000A-6000A) - Current transformer - Drawing.
 
The housing CT TNSHL-0,66 (3000A-6000A) 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 (3000A-6000A) 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 (3000A-6000A) 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 (3000A-6000A), after January 1, 2005;
Service life - 30 years;
Devices CT TNSHL-0,66 (3000A-6000A) 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 (3000A-6000A) 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 (3000A-6000A) 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 (3000A-6000A)

TNSHL-0,66 (3000A-6000A) transformer image.
TNSHL-0,66 (3000A-6000A) transformer image.
TNSHL-0,66 (3000A-6000A) transformer scheme.
TNSHL-0,66 (3000A-6000A) transformer scheme.


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