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TSHL-0,66

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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
 
Rated secondary burden, B ∙ A
3
5
10
15
20
30
40
50
60
75
100
Ratio of transformation
Rated current ratio
2000/5
31
26
21
18
15
12
9
8
7
6
4
3000/5
31
26
22
19
17
14
12
10
9
8
6
4000/5
47
29
26
24
22
19
16
14
13
11
9
5000/5
46
23
21
20
19
17
15
14
13
11
10
 
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
 
Rated primary current
Secondary resistance DC
1500A
0.453 Ohm
2000A
0.607 Ohm
2500A
0.775 Ohm
3000A
0.930 Ohm
4000A
1.632 Ohm
5000A
2.010 Ohm
 
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
 
rated primary current, A
Dimensions in mm
Weight, kg
A
B
B1
L1
B 2
L2
L
H
C
2000A-3000A
142mm
72mm
85mm
75mm
39mm
50mm
181mm
277mm
129mm
10kg
4000A-5000A
200mm
82mm
95mm
85mm
79mm
45mm
251mm
302mm
199mm
15kg
 
Figure 1 Dimensions of the device CT TSHL-0,66
 
TSHL-0,66 - Current transformer - Drawing.
 
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

TSHL-0,66 transformer image.
TSHL-0,66 transformer image.
TSHL-0,66 transformer scheme.
TSHL-0,66 transformer scheme.


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