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TPOL-10-III-2

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Current transformer TPOL-10-III-2 (TPOL10III2, TPOL 10 III 2, TPOL10III-2, TPOL10III 2, TPOL-10III2, TPOL 10III2, TPOL-10-3-2, TPOL-10-III-II)
 
Current transformer TPOL-10-III-2 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.
Technical characteristics of the instrument current transformers TPOL-10-III-2:
 
The number of secondary windings - 2;
Rated voltage - 10kV;
Maximum operating voltage of the device CT TPOL-10-III-2 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TPOL-10-III-2 - 1A, 5A;
Rated primary current - 150A, 200A, 250A, 300A, 400A, 500A, 600A, 750A, 800A, 1000A;
Accuracy class of the instrument current transformer TPOL-10-III-2:
- 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 TPOL-10-III-2 with a power factor:
- Cos φ = 1 - secondary winding for measurement - 1 V · A-2, 5 V · A;
- Cos φ = 0,8 - secondary winding for measurement - 3V to 10V · A · A;
- Cos φ = 0,8 - secondary protection - 5V · A;
Rated current ratio of secondary winding device CT TPOL-10-III-2 to protect - 7-11;
Nominal safety factor of instruments for the measurement of the secondary winding - 5, 10;
A one-second thermal current device CT TPOL-10-III-2:
- At rated primary current 150A - 12.5 kA
- At rated primary current 200A, 250A, 300A - 20kA;
- At rated primary current 400A, 500A - 32kA;
- At rated primary current 600A - 40kA;
- At rated primary current 750A, 800A, 1000A - 50kA;
Rated peak withstand current transformer unit TPOL-10-III-2:
- At rated primary current 150A - 31.8 kA
- At rated primary current 200A, 250A, 300A - 51kA;
- At rated primary current 400A, 500A - 81.7 kA
- At rated primary current 600A - 102kA;
- At rated primary current 750A, 800A, 1000A - 125kA;
General view of the device shown in Figure 1;
 
Figure 1: General view of the instrument current transformer TPOL-10-III-2
 
TPOL-10-III-2 - Current transformer - Drawing.
 
The transformers are manufactured in climatic design "V3" and "T3" 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 -45 ° C to +40 ° C for version "F3" and from -10 ° C to +45 ° C for the performance of "T3";
- 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;
- Equipment CT TPOL 10-III-2 satisfy the 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 TPOL-10-III-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 instrument current transformer TPOL-10-III-2 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TPOL-10-III-2

TPOL-10-III-2 transformer image.
TPOL-10-III-2 transformer image.
TPOL-10-III-2 transformer scheme.
TPOL-10-III-2 transformer scheme.


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