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TLSH-10

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21 399 UAH

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Current transformer TLSH-10 (TLSH10, TLSH 10)
 
Current transformer TLSH-10 is designed to transmit the signal measurement data measurement devices, protection, automation, alarm and control circuits to isolate the secondary connections of high voltage electrical AC 50Hz or 60Hz.
Technical characteristics of the instrument current transformers TLSH-10:
 
The number of secondary windings - 2;
Rated voltage - 10kV or 11kV;
Maximum operating voltage of the device CT TLSH-10 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current device CT TLSH-10 - 1A, 5A;
Rated primary current - 1000A, 1500A, 2000A, 3000A, 4000A, 5000A, 6000A;
Accuracy class of the instrument current transformer TLSH-10:
- Secondary winding for measurement - 0,5; 0,5 S, 0,2; 0,2 S;
- Secondary protection - 5P, 10P;
Rated secondary current transformer load device TLSH-10 with a power factor:
- Cos φ = 0,8 - secondary winding for measurement - 20V · A, 30 V · A;
- Cos φ = 0,8 - secondary protection - 30V · 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 - 4-19;
Three-second thermal current - 31.5 kA, 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 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
 
Rated secondary burden instrument CT TLSH-10, 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 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TLSH-10 DC
 
Rated current of the device CT TLSH-10
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 for differential protection are available on request;
General view of the device shown in Figure 1;
 
Figure 1: General view of the device CT TLSH-10
 
TLSH-10 - Current transformer - Drawing.
 
Dimensions and weight of the device CT TLSH-10 are shown in Table 3;
 
Table 3 Dimensions and weight of the device CT TLSH-10
 
Dimensions.
Weight
A
B
C
D
E
F
H
K
L
M
280mm
230mm
290mm
262mm
25mm
39mm
204mm
38mm
102mm
130mm
26kg
 
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;
- Instruments CT TLSH-10 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 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;
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 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TLSH-10

TLSH-10 transformer image.
TLSH-10 transformer image.
TLSH-10 transformer scheme.
TLSH-10 transformer scheme.


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