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TOL-35-III-IV-3

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90 783 UAH

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Current transformer TOL-35-III-IV-3 (TOL35IIIIV3, TOL 35 III IV 3, TOL-35IIIIV3, TOL 35IIIIV3, TOL35-III-IV-3, TOL35 III IV 3, TOL-35-3-4-3, TOL-35-III-IV-III)
 
Current transformer TOL-35-III-IV-3 is designed to signal measurement data measurement devices, protection, automation, alarm and control circuits to isolate the secondary connections of high-voltage electrical installations AC.
Transformers are designed for outdoor use in open-voltage switchgear 35kV.
Performance measurement chain.
 
Technical characteristics of the instrument current transformers TOL-35-III-IV-3:
 
The number of secondary windings - 1;
Rated voltage - 35kV;
Maximum operating voltage of the device current transformer TOL-35-III-IV-3 - 40.5 kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TOL-35-III-IV-3 - 5A;
Rated primary current - 100A, 150A, 200A, 300A, 400A, 600A, 750A, 800A, 1000A, 1200A, 1500A;
Accuracy class of the instrument current transformer TOL-35-III-IV-3:
- Secondary winding for measurement - 0,2 S, 0,2, 0,5 S, 0,5, 1, 3, 10;
- Secondary protection - 5P, 10P;
Rated secondary current transformer load device TOL-35-III-IV-3 with the power:
- Cos φ = 0,8 - secondary winding for measurement - 10V · A · A 20 V, 30 V · A, 40 V · A;
- Cos φ = 0,8 - secondary protection - 10V · A · A 20 V, 30 V · A, 40 V · A;
Rated current ratio secondary instrument current transformer TOL-35-III-IV-3 for protection - 6, 7, 10, 11, 12, 14, 15, 17;
Three-second thermal current:
- At rated primary current 100A - 25kA;
- At rated primary current 150A - 25kA;
- At rated primary current 200A - 25kA;
- At rated primary current 300A - 25kA;
- At rated primary current 400A - 25kA;
- At rated primary current 600A - 25kA;
- At rated primary current 750A - 25kA;
- At rated primary current 800A - 25kA;
- At rated primary current 1000A - 25kA;
- At rated primary current 1200A - 25kA;
- At rated primary current 1500A - 25kA;
Rated peak withstand current instrument transformer TOL-35-III-IV-3:
- At rated primary current 100A - 64kA;
- At rated primary current 150A - 64kA;
- At rated primary current 200A - 64kA;
- At rated primary current 300A - 64kA;
- At rated primary current 400A - 64kA;
- At rated primary current 600A - 64kA;
- At rated primary current 750A - 64kA;
- At rated primary current 800A - 64kA;
- At rated primary current 1000A - 64kA;
- At rated primary current 1200A - 64kA;
- At rated primary current 1500A - 64kA;
The estimated value of the resistance of the secondary winding device CT TOL-35-III-IV-3 DC are listed in Table 1;
 
Table 1 Calculated values ​​of the resistance of the secondary windings of the current transformer unit TOL-35-III-IV-3 DC
Rated current of the device current transformer TOL-35-III-IV-3
Accuracy class
DC resistance of the windings
300A
№ 1
#2
0.19 Ohm
0.19 Ohm
600A
№ 1
#2
0.38 Ohm
0.38 Ohm
1200A
№ 1
#2
1.01 Ohm
1.01 Ohm
1500A
№ 1
#2
1.27 Ohm
1.27 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 instrument current transformer TOL-35-III-IV-3 are given 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 instrument current transformer TOL-35-III-IV-3
Rated secondary current transformer load device TOL-35-III-IV-3, VA
3
5
10
15
20
30
40
50
60
75
100
Ratio of transformation
Rated current ratio
100/5
24
17
7
6
-
-
-
-
-
-
-
150/5
31
23
13
9
6
5
-
-
-
-
-
200/5
32
25
16
12
7
6
4.5
-
-
-
-
300/5
38
31
21
16
13
7
6
5
-
-
-
400/5
44
37
26
20
16
10
9
8
-
-
-
600/5
56
48
36
28
23
14
12
11
10
8
6
750/5
32
29
24
20
17
11
10
9
8
6
5
800/5
33
29
24
20
17
12
11
9
8
7
5
1000/5
33
30
25
22
19
14
13
11
10
8
6
1200/5
34
30
26
23
21
15
14
12
11
9
7
1500/5
34
31
27
24
22
17
16
14
13
11
9
 
General view of the device shown in Figure 1;
 
Figure 1: General view of the instrument current transformer TOL-35-III-IV-3
TOL-35-III-IV-3 - current transformer
 
Dimensions and weight of the device current transformer TOL-35-III-IV-3 are given in Table 3;
 
Table 3 Dimensions and weight of the device current transformer TOL-35-III-IV-3
Dimensions.
Weight
h1
H2
S
593mm
731mm
7mm
85kg
 
The transformers are manufactured in climatic design "UHL" 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 -60 ° C to +50 ° C;
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - vertical;
- Internal insulation casting, heat resistance class "B" and flammability class FH (PG) 1;
- External insulation cast, thermal class «Y» and flammability class FH (PG) 3;
- Instruments earthquake resistant when exposed to earthquake intensity 8 points on the MSK-64 at the facility level above ground level up to 70m;
- Equipment designed for the total mechanical load from the wind at a speed of 40 m / s, with a wall thickness of glaze ice relief 20mm and hold no more than 500N (50kgs)
- 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 TOL-35-III-IV-3 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 TOL-35-III-IV-3 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 instrument current transformer TOL-35-III-IV-3 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TOL-35-III-IV-3

TOL-35-III-IV-3 transformer image.
TOL-35-III-IV-3 transformer image.


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