TOL-10-III-2 TOL-10-III-2 Current transformer TOL-10-III-2.
4.9 63
Current transformer TOL-10-III-2 (TOL10III2, TOL 10 III 2, TOL10-III-2, TOL10 III 2, TOL10III-2, TOL10III 2, TOL-10-3-2, TOL-10-III-II)
Designed for use in open 10kV switchgear for metering and protection of lines, as well as for installation of reclosers;
The number of secondary windings - 2;
Rated voltage - 10kV;
Maximum operating voltage - 12kV;
Rated secondary - 1A, 5A;
Rated primary current - 5A, 10A, 15A, 20A, 30A, 40A, 50A, 75A, 80A, 100A, 150A, 200A, 300A, 400A, 500A, 600A, 750A, 800A, 1000A, 1200A, 1500A, 2000A;
Accuracy class - 0,5, 0,5 S, 0,2, 0,2 S, 5P, 10P.
Electrical measuring instruments
transformers industrial (T-0,66, TSh-0,66, KTPVSH and others)
current transformers

Price:

on request

 

Product information updated 12 December 2023.

Found cheaper?

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Warranty:

12 months.

Warranty extension up to 5 years. 

Terms of delivery:

To all regions of the country, international delivery. 

Product information updated 12 December 2023.

Found cheaper?

Let us know. Our price is the best. 

Warranty:

12 months.

Warranty extension up to 5 years. 

Terms of delivery:

To all regions of the country, international delivery. 

Technical characteristics

Current transformer TOL-10-III-2 (TOL10III2, TOL 10 III 2, TOL10-III-2, TOL10 III 2, TOL10III-2, TOL10III 2, TOL-10-3-2, TOL-10-III-II)
 
Current transformer TOL-10-III-2 is designed for use in open 10kV switchgear for metering and protection of lines, as well as for installation of reclosers.
Technical characteristics of the instrument current transformers TOL-10-III-2:
 
The number of secondary windings - 2;
Rated voltage - 10kV;
Maximum operating voltage of the device current transformer TOL-10-III-2 - 12kV;
Nominal AC frequency - 50 Hz;
Rated secondary current of the current transformer unit TOL-10-III-2 - 1A, 5A;
Rated primary current - 5A, 10A, 15A, 20A, 30A, 40A, 50A, 75A, 80A, 100A, 150A, 200A, 300A, 400A, 500A, 600A, 750A, 800A, 1000A, 1200A, 1500A, 2000A;
Accuracy class of the instrument current transformer TOL-10-III-2:
- Secondary winding for measurement - 0,5; 0,5 S, 0,2; 0,2 S;
- Secondary protection - 5P, 10P;
Rated secondary current transformer load device TOL-10-III-2 with a power factor:
- Cos φ = 1 - secondary winding for measurement - A · 1B, 2B · A · 2.5 A;
- Cos φ = 0,8 - secondary winding for measurement - 3 B · A · A 5 V, 10 V · A · A 15V, 20V · A · A 25 V, 30 V · A;
- Cos φ = 0,8 - secondary protection - 15V · A;
Nominal safety factor of instruments for measuring the winding - 10-16;
A one-second thermal current instrument transformer current TOL-10-III-2:
- At rated primary current 5A - 0.4 kA
- At rated primary current 10A - 0.78 kA
- At rated primary current 15A - 1.2 kA
- At rated primary current 20A - 1.56 kA
- At rated primary current 30A - 2.5 kA
- At rated primary current 40A - 3.0 kA
- At rated primary current 50A - 5kA;
- At rated primary current 75A - 5.85 kA
- At rated primary current 80A - 6.23 kA
- At rated primary current 100 A - 10 kA;
- At rated primary current 150A - 12.5 kA
- At rated primary current 200A - 20kA;
- At rated primary current 300 A, 400 A - 31.5 kA
- At rated primary current 500A-2000A - 40kA;
Rated peak withstand current instrument transformer TOL-10-III-2:
- At rated primary current 5A - 1kA;
- At rated primary current 10A - 1.97 kA
- At rated primary current 15A - 3kA;
- At rated primary current 20A - 3.93 kA
- At rated primary current 30A - 6.25 kA
- At rated primary current 40A - 7.56 kA
- At rated primary current 50A - 12.8 kA
- At rated primary current 75A - 14.7 kA
- At rated primary current 80A - 15.7 kA
- At rated primary current 100A - 25.5 kA
- At rated primary current 150A - 31.8 kA
- At rated primary current 200A - 51kA;
- At rated primary current 300A, 400A - 81kA;
- At rated primary current 500A-2000A - 102kA;
Test voltage instrument transformer current TOL-10-III-2:
- One-minute power frequency - 42kV;
- Lightning impulse full - 75Sqr;
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-10-III-2 are given in Table 1;
 
Table 1 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-10-III-2
 
Rated secondary current transformer load device TOL-10-III-2, VA
3Q
5
10
15
20
30
40
50
Ratio of transformation
Rated current ratio
(5-300) / 5
27
20
12
10
7
5
4
3Q
40/5, 80/5, 200/5, 400/5
27
21
14
10
8
6
4
3,5
500/5
24
20
13
10
8
5.5
4
3,5
600/5
26
21
15
10
9
7
5
4
750/5
27
23
16
10
11
7
6
5
800/5
28
23
17
10
11
8
6
5
1000/5
20
17
13
10
9
7
5
5
1200/5
20
17
13
10
9
7
5
5
1500/5
21
18
14
10
10
8
6
5
2000/5
21
17
14
10
11
9
7
6
 
The estimated value of the resistance of the secondary winding device CT TOL-10-III-2 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TOL-10-III-2 DC
 
Rated current of the device current transformer TOL-10-III-2
Number of secondary winding
DC resistance of the windings
5A-300A
№ 1
#2
#3
0.096 Ohm
0.126 Ohm
-
80A, 400A
№ 1
#2
#3
0.16 Ohm
0.23 Ohm
-
500A
№ 1
#2
#3
0.10 Ohm
0.15 Ohm
-
600A
№ 1
#2
#3
0.13 Ohm
0.15 Ohm
-
750A
№ 1
#2
#3
0.152 Ohm
0.20 Ohm
-
800A
№ 1
#2
#3
0.16 Ohm
0.23 Ohm
-
1000A
№ 1
#2
#3
0.20 Ohm
0.27 Ohm
-
1200A
№ 1
#2
#3
0.24 Ohm
0.28 Ohm
-
1500A
№ 1
#2
#3
0.30 Ohm
0.35 Ohm
-
2000A
№ 1
#2
#3
0.40 Ohm
0.64 Ohm
-
 
Instrument current transformer TOL-10-III-2 for the differential protection are available on request;
General view of the device shown in Figure 1;
 
Figure 1: General view of the instrument current transformer TOL-10-III-2
 
TOL-10-III-2 - Current transformer - Drawing.
 
Weight - 27 kg;
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 - from -60 ° C to +50 ° C;
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - vertical;
- Devices intended for use in electrical exposed lightning surges at ordinary measures gromozaschity;
- 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 with a flame spread not exceeding 30mm/min;
- 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;
- Devices 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-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 TOL-10-III-2 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.
Rate the product: TOL-10-III-2
Number of views: 1422
Product rating: 4.5
Number of grades: 238
* rating and all product statistics are updated once a month; information is current as of 28 December 2023

Photos: TOL-10-III-2

TOL-10-III-2 transformer image.

TOL-10-III-2 transformer image.

TOL-10-III-2 transformer scheme.

TOL-10-III-2 transformer scheme.

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