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Electrical measuring instruments >> transformers industrial (KTPVSh, TA, TN, T-0,66, TSh-0,66, TP, TPP and others) >> current transformers >> 10kV voltage class


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40 869 UAH

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Current transformer TSHLPK-10 (TSHLPK10, TSHLPK 10)
Current transformer TSHLPK-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.
Technical characteristics of the instrument current transformers TSHLPK-10:
The number of secondary windings - 2;
Rated voltage - 10kV or 11kV;
Maximum operating voltage of the device CT TSHLPK-10 - 12kV;
Nominal AC frequency - 50 Hz;
Rated secondary current device CT TSHLPK-10 - 5A;
Rated primary current - 1000A, 2000A, 3000A, 4000A;
Accuracy class of the instrument current transformer TSHLPK-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 TSHLPK-10 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 - 3 B · A · A 5 V, 10 V · A · A 15V, 20V · A;
- Cos φ = 0,8 - secondary protection - 3 B · A · A 5V, 10V · A · A 15V, 20V · A · A 25 V, 30 V · A;
Nominal safety factor of instruments for measuring the winding - 10-35;
Multiplicity three seconds thermal current device CT TSHLPK-10 - 35;
Rated current ratio of secondary winding for protection - not less than 25;
View of the secondary winding and secondary load current transformer unit TSHLPK-10 in accuracy classes are given in Table 1;
Table 1 Type of secondary winding and secondary load device CT TSHLPK-10 in accuracy classes
Type of secondary winding
Secondary load in accuracy class
30 V · A
50 V · A
60 V · A
· A 75V
The estimated value of the resistance of the secondary winding device CT TSHLPK-10 DC are shown in Table 2;
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TSHLPK-10 DC
Rated current of the device TSHLPK CT-10
Number of secondary winding
DC resistance of the windings
№ 1
0.21 Ohm
№ 1
0.44 Ohm
№ 1
0.54 Ohm
№ 1
0.75 Ohm
№ 1
0.99 Ohm
Instrument current transformer TSHLPK-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 TSHLPK-10
TSHLPK-10 - Current transformer - Drawing.
Dimensions and weight of the device CT TSHLPK-10 are shown in Table 3;
Table 3 Dimensions and weight of the device CT TSHLPK-10
The transformers are manufactured in climatic design "UT" and are intended for indoor use in:
Height above the sea level - no more than 1000 m.
- Ambient temperature - from -50 ° C to +70 ° 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 TSHLPK-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 TSHLPK-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 TSHLPK-10 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TSHLPK-10

TSHLPK-10 transformer image.
TSHLPK-10 transformer image.
TSHLPK-10 transformer scheme.
TSHLPK-10 transformer scheme.