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TOLK-10-2

10 753 RUB
12 903 UAH

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For order is possible effectively delivery of any quantity.
Current transformer TOLK-10-2 (TOLK102, TOLK 10 2, TOLK-102, TOLK 102, TOLK10-2, TOLK10 2, TOLK-10-II)
 
Current transformer TOLK-10-2 is designed for installation in complete switchgear (KRU) and serves to signal measurement information instrumentation and (or) protection and control, to isolate the circuits of secondary compounds of high-voltage electrical installations AC class voltages up to 10kV 50Hz or 60Hz.
Transformers are designed for use in high-voltage miner Switchgear (KRU) in networks of up to 10 kV coal and shale mines, hazardous gas and dust.
 
Technical characteristics of the instrument current transformers TOLK-10-2
 
The number of secondary windings - 1;
Rated voltage - 10kV;
Maximum operating voltage of the device interprets the CT TOLK-10-2 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the device interprets the CT TOLK-10-2 - 5A;
Rated primary current - 10A, 15A, 20A, 30A, 40A, 50A, 75A, 80A, 100A, 150A, 200A, 300A, 400A, 600A;
Accuracy class of the instrument interprets CT TOLK-10-2
- Secondary winding for measurement - 0,2 S, 0,2, 0,5 S, 0,5;
- Secondary protection -;
Rated secondary current transformer load device TOLK-10-2 with a power factor:
- 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 TOLK-10-2 for protection -;
Nominal safety factor of instruments for measuring the secondary - 10, 16;
A one-second thermal current instrument transformer current TOLK-10-2
- At rated primary current 10A - 1.28 kA
- At rated primary current 15A - 1.28 kA
- At rated primary current 20A - 1.92 kA
- At rated primary current 30A - 3.2 kA
- At rated primary current 40A - 3.84 kA
- At rated primary current 50A - 5.76 kA
- At rated primary current 75A - 8.32 kA
- At rated primary current 80A - 8.96 kA
- At rated primary current 100A - 12.8 kA
- At rated primary current 150A - 15.36 kA
- At rated primary current 200A - 22.4 kA
- At rated primary current 300 A - 35.2 kA
- At rated primary current 400A - 38.4 kA
- At rated primary current 600A - 38.4 kA
Rated peak withstand current transformer device TOLK-10-2
- At rated primary current 10A - 3.2 kA
- At rated primary current 15A - 3.2 kA
- At rated primary current 20A - 4.8 kA
- At rated primary current 30A - 8.1 kA
- At rated primary current 40A - 9.7 kA
- At rated primary current 50A - 14.7 kA
- At rated primary current 75A - 21.2 kA
- At rated primary current 80A - 22.8 kA
- At rated primary current 100A - 32.6 kA
- At rated primary current 150A - 39kA;
- At rated primary current 200A - 57kA;
- At rated primary current 300A - 89kA;
- At rated primary current 400A - 98kA;
- At rated primary current 600A - 98kA;
Test voltage instrument transformer current TOLK-10-2
- One-minute power frequency - 42kV;
- Lightning impulse full - 75Sqr;
Please note:
*) In accordance with the order can be delivered accuracy class 5P.
**) Specified in the order;
The estimated value of the resistance of the secondary winding device CT TOLK-10-2 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TOLK-10-2 DC
 
Rated current of the device interprets the CT TOLK-10-2
Accuracy class
DC resistance of the windings
15A, 30A, 75A, 150A, 300A, 600A
0,5
0,2 S, 0,2, 0,5 S
0.186 Ohm
0.161 Ohm
10A, 20A, 40A, 50A, 80A, 100A, 200A, 400A
0,5
0,2 S, 0,2, 0,5 S
0.124 Ohm
0.101 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 interprets the CT TOLK-10-2 are given in Table 2;
 
Table 2 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 interprets the CT TOLK-10-2
 
Rated secondary current transformer load device TOLK-10-2, VA
3
5
10
15
20
30
40
50
60
75
100
Ratio of transformation
Rated current ratio
10/5, 15/5, 20/5, 30/5, 40/5, 50/5, 75/5, 100/5, 150/5, 200/5, 300/5, 600/5
23.3
18.5
12,6
9,5
7.6
5.5
4,2
3,5
2,9
2.4
1,8
80/5, 400/5
25.3
20.7
14.8
11.5
9.4
6,7
5,4
4.5
3.8
3.1
2.4
 
General view of the device shown in Figure 1;
 
Figure 1: General view of the device interprets the CT TOLK-10-2
 
TOLK-10-2 - Current transformer - Drawing.
 
Weight of the device interprets the CT TOLK-10-2 - 10.5 kg;
The transformers are manufactured in climatic design "O" and "U" 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 -10 ° C to +45 ° C;
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
- 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;
- Devices to sense current transformer TOLK-10-2 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 TOLK-10-2 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 device interprets the CT TOLK-10-2 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TOLK-10-2

TOLK-10-2 transformer image.
TOLK-10-2 transformer image.
TOLK-10-2 transformer scheme.
TOLK-10-2 transformer scheme.


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