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TOLK-10

12 375 RUB
14 850 UAH

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For order is possible effectively delivery of any quantity.
Current transformer TOLK-10 (TOLK10, TOLK 10)
 
Current transformer TOLK-10 is designed for installation in complete switchgear (KRU) and serves to signal measurement information instrumentation and (or) protection and control, to isolate the chains of secondary compounds of high-voltage electrical installations AC voltage class 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 devices to sense current transformers TOLK-10:
 
The number of secondary windings - 2;
Rated voltage - 10kV;
Maximum operating voltage of the device interprets the CT TOLK-10 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the device interprets the CT TOLK-10 - 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:
- Secondary winding for measurement - 1;
- Secondary protection - 5P, 10P *;
Rated secondary current transformer load device TOLK-10 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 for protection - 8, 5.5;
Nominal safety factor of instruments for the measurement of the secondary winding -;
A one-second thermal current instrument transformer current interpretation TOLK-10:
- 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:
- 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 interpretation TOLK-10:
- 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 current transformer device interprets the TOLK-10 are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TOLK-10
 
Rated current of the device interprets the CT TOLK-10 Accuracy class DC resistance of the windings
15A, 30A, 75A, 150A, 300A, 600A 1, 5P, 10P 0.128 Ohm
10A, 20A, 40A, 50A, 80A, 100A, 200A, 400A 1, 5P, 10P 0.110 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 are shown 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
 
Rated secondary current transformer load device TOLK-10, 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
 
TOLK-10 - Current transformer - Drawing.
 
Weight of the device interprets the CT TOLK-10 - 12kg;
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 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 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;
Can manufacture transformers with different transformation ratios of secondary windings;
The manufacturer guarantees that the quality of the device interprets the CT TOLK-10 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TOLK-10

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


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