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TLSH-10-6-4

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Current transformer TLSH-10-6-4 (TLSH1064, TLSH 10 6 4, TLSH10-6-4, TLSH10 6 4, TLSH-1064, TLSH 1064)
 
Current transformer TLSH-10-6-4 is designed to signal measurement data measurement devices, protection, automation, alarm and control circuits to isolate the secondary connections of high voltage electrical AC 50Hz.
Technical characteristics of the instrument current transformers TLSH-10-6-4:
 
The number of secondary windings - 4;
Rated voltage - 10kV;
Maximum operating voltage of the device CT TLSH-10-6-4 - 12kV;
Nominal AC frequency - 50 Hz;
Rated secondary current of the current transformer unit TLSH-10-6-4 - 5A;
Rated primary current - 1000A, 1500A, 2000A, 2500A, 3000A, 4000A, 5000A;
Accuracy class of the instrument current transformer TLSH-10-6-4:
- Secondary winding for measurement - 0,5; 0,5 S, 0,2; 0,2 S, 1;
- Secondary protection - 5P, 10P;
Rated secondary current transformer load device TLSH-10-6-4 with a power factor:
- Cos φ = 1 - secondary winding for measurement - A · 1B, 2B · A · 2.5 A;
- Cos φ = 0,8 - secondary winding for measurement - 20V · A;
- Cos φ = 0,8 - secondary protection - 20V · A, 30 V · A;
Rated current ratio of secondary winding for protection - not less than 8-18;
Nominal safety factor of instruments for measuring the winding device CT TLSH-10-6-4 - 10-14;
Three-second thermal current - 50kA, 140kA, 175kA;
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 TLSH-10-6-4 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 device CT TLSH-10-6-4
 
Rated secondary current transformer load device TLSH-10-6-4, VA
3Q
5
10
15
20
30
40
50
Ratio of transformation
Rated current ratio
1000/5
28
24
18
14
12
8
7
5.5
1500/5
29
26
21
17
14.5
11
9
8
2000/5
30
27
22
19
16.5
10,5
10
9
3000/5
31
26
23
21
19
15
13
12
4000/5
34
27
24
21,5
19.5
18
14.5
12.5
5000/5
34
22,5
21
19.5
19
18
14
13
 
The estimated value of the resistance of the secondary winding device CT TLSH-10-6-4 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TLSH-10-6-4 DC
 
Rated current of the device CT TLSH-10-6-4
Number of secondary winding
DC resistance of the windings
1000A
№ 1
#2
0.2 Ohm
0.3 Ohm
1500A
№ 1
#2
0.39 Ohm
0.467 Ohm
2000A
№ 1
#2
0.415 Ohm
0.501 Ohm
3000A
№ 1
#2
0.827 Ohm
0.859 Ohm
4000A
№ 1
#2
0.72 Ohm
1.12 Ohm
5000A
№ 1
#2
0.96 Ohm
1.45 Ohm
 
Instrument current transformer TLSH-10-6-4 for the differential protection are available on request;
General view of the device shown in Figure 1;
 
Figure 1: General view of the instrument current transformer TLSH-10-6-4
 
TLSH-10-6-4 - Current transformer - Drawing.
 
The device with a cross-through window;
Unit weight CT TLSH-10-6-4 - 52kg;
The transformers are manufactured in climatic design "U3", "T3" and are intended for indoor use in:
Height above the sea level - no more than 1000 m.
- Ambient temperature ("F3") - from -45 ° C to +55 ° C;
- Ambient temperature ("T3") - from -10 ° C to +60 ° C;
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
- Devices intended for use in electrical exposed lightning surges at ordinary measures gromozaschity;
- 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 TLSH-10-6-4 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 TLSH-10-6-4 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;
Transformers are supplied with protective transparent cover for separate sealing of secondary findings;
Be sure to connect to the bus terminal of the transformer, marked "W"!
The manufacturer guarantees that the quality of the instrument current transformer TLSH-10-6-4 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TLSH-10-6-4

TLSH-10-6-4 transformer image.
TLSH-10-6-4 transformer image.
TLSH-10-6-4 transformer scheme.
TLSH-10-6-4 transformer scheme.


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