Electrical measuring instruments >> transformers industrial (KTPVSh, TA, TN, T-0,66, TSh-0,66, TP, TPP and others) >> current transformers >> 0,66kV voltage class
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Current transformer TSHL-0,66 (TSHL0,66, TSHL 0,66)
Current transformer TSHL-0,66 is a signal measurement information instrumentation in plants AC 50Hz or 60Hz with rated voltage up to 0.66 kV.
Technical characteristics of the instrument current transformers TSHL-0,66:
Accuracy class - 0,5; 0,5 S, 0,2; 0,2 S, 1, 10P;
Number of windings - 1;
Rated current of the device CT TSHL-0,66 - 2000A, 3000A, 4000A, 5000A;
Maximum operating current primary - 2000A, 3200A, 4000A, 5000A;
Rated secondary current device CT TSHL-0,66 - 1A, 5A;
Rated secondary burden at cosφ = 0,8 - 15 V · A;
Multiplicity of one-second thermal current device CT TSHL-0,66 for primary currents:
- 2000A - 60;
- 3000A - 40;
- 4000A, 5000A - 40;
Rated current ratio device CT TSHL-0,66:
- For transformers at 2000A, 3000A for phase distance 140mm - 8;
- For transformers at 4000A, 5000A for phase distance 140mm - 4;
- For transformers at 4000A, 5000A for phase distance 750mm - 8;
Test one-minute power frequency voltage of the secondary winding 3kV - for the performance of "U2" and 3.3 kV - for the performance of "T2";
Calculated values of the nominal current ratio of secondary winding device CT TSHL-0,66 for the defense in terms of rated secondary load in accuracy class 10P are given in Table 1;
Table 1 Calculated values of the nominal current ratio of secondary winding device CT TSHL-0,66 for the defense in terms of rated secondary load in accuracy class 10P
The calculated values of the resistance unit CT TSHL-0,66, referred to a temperature of 20 º C are shown in Table 2;
Table 2 Calculated values of resistance of the device CT TSHL-0,66, referred to a temperature of 20 º C
Dimensions and weight of the device CT TSHL-0,66 are shown in Figure 1 and Table 3;
Table 3 Dimensions and weight of the device CT TSHL-0,66
Figure 1 Dimensions of the device CT TSHL-0,66
 The housing CT TSHL-0,66, is made of self-extinguishing hard inflammable materials;
The transformers are manufactured in the version "V2" or "T2", are designed to operate under the following conditions:
Height above the sea level - no more than 1000 m.
Ambient temperature
- In operation - from -45 ° C to +70 ° C ("U2»), -10 ° C to +70 ° C ("T2");
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
Primary bus unit CT TSHL-0,66 copper, tin-plated;
Warranty period - 8 years from the date of entry into operation of the transformer, but not more than 8.5 years from the date of shipment from the factory;
The warranty applies to devices CT TSHL-0,66, after January 1, 2005;
Service life - 30 years;
Devices CT TSHL-0,66 set of protective transparent cover for separate sealing of secondary findings;
In transformers may be used to account for the secondary windings, accuracy classes 0,2 S and 0,5 S with the value of the secondary load below 25% of nominal;
Minimum permissible load current transformer unit TSHL-0,66 for winding precision 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;
The manufacturer guarantees that the quality of the instrument current transformer TSHL-0,66 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.
Photos: TSHL-0,66
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