Electrical measuring instruments >> transformers industrial >> current transformers >> 35kV voltage class

TOL-35-III-IV-6

92 483 RUB
110 979 UAH

Online prices include VAT.

For order is possible effectively delivery of any quantity.
Current transformer TOL-35-III-IV-6 (TOL35IIIIV6, TOL 35 III IV 6, TOL-35IIIIV6, TOL 35IIIIV6, TOL35-III-IV-6, TOL35 III IV 6, TOL-35-3-4-6, TOL-35-III-IV-VI)
 
Current transformer TOL-35-III-IV-6 is designed for measuring data transmission 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.
 
Technical characteristics of the instrument current transformers TOL-35-III-IV-6:
 
The number of secondary windings - 2;
Rated voltage - 35kV;
Maximum operating voltage of the device current transformer TOL-35-III-IV-6 - 40.5 kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TOL-35-III-IV-6 - 5A;
Rated primary current - 300A, 400A, 500A, 600A, 750A, 800A, 1000A, 1200A, 1500A, 2000A;
Accuracy class of the instrument current transformer TOL-35-III-IV-6:
- 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-6, with a power factor:
- Cos φ = 0,8 - secondary winding for measurement - 20V · A, 30 V · A;
- Cos φ = 0,8 - secondary protection - 15 V · A · A 20V, 30V · A;
Rated current ratio secondary instrument current transformer TOL-35-III-IV-6 for the defense - 11, 13, 14, 16, 17, 18, ​​19, 20;
Three-second thermal current:
- At rated primary current 300A - 80kA;
- At rated primary current 400A - 80kA;
- At rated primary current 500A - 80kA;
- At rated primary current 600A - 80kA;
- At rated primary current 750A - 80kA;
- At rated primary current 800A - 80kA;
- At rated primary current 1000A - 128kA;
- At rated primary current 1200A - 128kA;
- At rated primary current 1500A - 128kA;
- At rated primary current 2000A - 154kA;
Rated peak withstand current instrument transformer TOL-35-III-IV-6:
- At rated primary current 300 A - 10 kA;
- At rated primary current 400A - 13kA;
- At rated primary current 500A - 17kA;
- At rated primary current 600A - 20kA;
- At rated primary current 750A - 25kA;
- At rated primary current 800A - 27kA;
- At rated primary current 1000A - 34kA;
- At rated primary current 1200A - 40kA;
- At rated primary current 1500A - 50kA;
- At rated primary current 2000A - 60kA;
The estimated value of the resistance of the secondary winding device CT TOL-35-III-IV-6 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-6 DC
Rated current of the device current transformer TOL-35-III-IV-6
Accuracy class
DC resistance of the windings
300A
№ 1
#2
0.09 Ohm
0.15 Ohm
400A
№ 1
#2
0.12 Ohm
0.20 Ohm
500A
№ 1
#2
0.15 Ohm
0.25 Ohm
600A
№ 1
#2
0.17 Ohm
0.29 Ohm
750A
№ 1
#2
0.22 Ohm
0.37 Ohm
800A
№ 1
#2
0.24 Ohm
0.40 Ohm
1000A
№ 1
#2
0.24 Ohm
0.43 Ohm
1200A
№ 1
#2
0.28 Ohm
0.51 Ohm
1500A
№ 1
#2
0.35 Ohm
0.64 Ohm
2000A
№ 1
#2
0.31 Ohm
0.82 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-6 are shown 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-6
Rated secondary current transformer load device TOL-35-III-IV-6, VA
3
5
10
15
20
30
40
50
60
75
100
Ratio of transformation
Rated current ratio
300/5
44
35
23
17
13
9
7
6
-
-
-
400/5
48
40
27
20
17
12
9
7
6
5
-
500/5
52
44
31
24
20
14
11
9
8
6
5
600/5
54
46
34
27
22
16
13
11
9
7
6
750/5
57
49
38
31
26
18
16
13
11
9
7
800/5
57
50
39
32
27
19
16
14
12
10
7
1000/5
31
27
22
18
15
11
9
8
7
5
4
1200/5
32
28
23
19
17
136
10
9
8
6
5
1500/5
33
29
24
21
18
14
12
10
9
8
6
2000/5
27
24
20
18
16
13
11
10
9
7
6
 
General view of the device shown in Figure 1;
 
Figure 1: General view of the instrument current transformer TOL-35-III-IV-6
TOL-35-III-IV-6 - current transformer
 
Dimensions and weight of the device current transformer TOL-35-III-IV-6 are shown in Table 3;
 
Table 3 Dimensions and weight of the device current transformer TOL-35-III-IV-6
Dimensions.
Weight
h1
H2
S
1028mm
1166mm
8.5 mm
110kg
 
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-6 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-6 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;
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-6 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TOL-35-III-IV-6

TOL-35-III-IV-6 transformer image.
TOL-35-III-IV-6 transformer image.


Яндекс цитирования