TOL-10-I-17 TOL-10-I-17
4.9 63
Current transformer TOL-10-I-17 (TOL10I17, TOL 10 I 17, TOL10-I-17, TOL10 I 17, TOL10I-17, TOL10I 17, TOL-10-1-17, TOL-10-I-XVII)
Designed for installation in the Switchgear (CRU), and serves to signal measurement information instrumentation and (or) protection and control, to isolate the circuits of secondary compounds of high-voltage electrical installations AC voltage class up to 10kV 50Hz or 60Hz ;
The number of secondary windings - 3, 4;
Rated voltage - 10kV or 11kV;
Maximum operating voltage - 12kV;
Rated secondary - 1A, 5A;
Rated primary current - 50A, 75A, 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, 1; 5P, 10P.
Electrical measuring instruments
transformers industrial (T-0,66, TSh-0,66, KTPVSH and others)
current transformers
TOL-10-I-17 transformer image.

Price:

on request

 

Product information updated 30 November 2024.

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. 

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Product information updated 30 November 2024.

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. 

print

Technical characteristics

Current transformer TOL-10-I-17 (TOL10I17, TOL 10 I 17, TOL10-I-17, TOL10 I 17, TOL10I-17, TOL10I 17, TOL-10-1-17, TOL-10-I-XVII)
 
Current transformer TOL-10-I-17 is designed for installation in complete switchgear (KRU) and serves to signal measurement information instrumentation and (or) protection and control, to isolate the circuits of secondary compounds of high-voltage electrical installations AC voltage class up to 10kV 50Hz or 60Hz.
Technical characteristics of the instrument current transformers TOL-10-I-17:
 
The number of secondary windings - 3, 4;
Rated voltage - 10kV or 11kV *;
Maximum operating voltage of the device current transformer TOL-10-I-17 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TOL-10-I-17 - 1A, 5A;
Rated primary current - 50A, 75A, 100A, 150A, 200A, 300A, 400A, 500A, 600A, 750A, 800A, 1000A, 1200A, 1500A, 2000A;
Accuracy class of the instrument current transformer TOL-10-I-17:
- Secondary winding for measurement - 0,5; 0,5 S, 0,2; 0,2 S, 1;
- Secondary protection - 5P, 10P;
Rated secondary current transformer load device TOL-10-I-17, with a power factor cos φ = 0,8:
- Secondary winding for measurement - up to 30V · A **;
- Secondary protection - 30V · A;
Nominal safety factor of instruments for measuring the winding - 10-16;
A one-second thermal current instrument transformer current TOL-10-I-17:
- At rated primary current 50A - 5kA;
- At rated primary current 75A - 5.85 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 300A, 400A - 20kA;
- At rated primary current 500A-2000A - 40kA;
Rated peak withstand current instrument transformer TOL-10-I-17:
- At rated primary current 50A - 12.8 kA
- At rated primary current 75A - 14.7 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 - 51kA;
- At rated primary current 500A-2000A - 102kA;
Test voltage instrument transformer current TOL-10-I-17:
- One-minute power frequency - 42kV;
- Lightning impulse full - 75Sqr;
Note:
*) In accordance with the order can be delivered accuracy class 5P.
**) Specified in the order;
 
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-I-17 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-I-17
 
Rated secondary current transformer load device TOL-10-I-17, VA
3
5
10
15
20
30
40
50
Ratio of transformation
Rated current ratio
50-600/5
24
19
13
10
8
6
4
4
750/5
26
21
15
11
9
7
5
4
800/5
26
21
15
10
10
7
5
5
1000/5
20
16
12
10
8
6
4
4
1200/5
21
17
13
10
9
6
5
4
1500/5
21
18
14
10
10
8
6
5
2000/5
18
15
12
10
9
7
6
5
 
The estimated value of the resistance of the secondary winding device CT TOL-10-I-17 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TOL-10-I-17 DC
 
Rated current of the device current transformer TOL-10-I-17
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
0.1 Ohm
0.15 Ohm
-
600A
№ 1
#2
№ 3
0.13 Ohm
0.15 Ohm
-
750A
№ 1
#2
№ 3
0.152 Ohm
0.2 Ohm
-
800A
№ 1
#2
№ 3
0.16 Ohm
0.23 Ohm
-
1000A
№ 1
#2
№ 3
0.2 Ohm
0.27 Ohm
-
1200A
№ 1
#2
№ 3
0.24 Ohm
0.28 Ohm
-
1500A
№ 1
#2
№ 3
0.3 Ohm
0.35 Ohm
-
2000A
№ 1
#2
№ 3
0.4 ohm
0.64 Ohm
-
 
Instrument current transformer TOL-10-I-17 for 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-I-17
 
TOL-10-I-17 - Current transformer - Drawing.
 
Dimensions of the device current transformer TOL-10-I-17 are given in Table 3;
 
Table 3: Dimensions of the device current transformer TOL-10-I-17
 
Rated primary current
B
H
h
50A-400A
40mm
224mm
26mm
600A-800A
40mm
224mm
32mm
1000A-2000A
60mm
224mm
36mm
 
Weight - 20 kg ± 1 kg;
The transformers are manufactured in climatic design "T2" and "U2" 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 -45 ° C to +50 ° C for the performance of "U2" and from -10 ° C to +55 ° C for the performance of "T2";
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
Earthquake-proof devices when exposed zemletraseny intensity of 8 points on the MSK-64 at the facility level above ground level up to 70m;
Instrument current transformer TOL-10-I-17 is intended for delivery to the speakers, meet safety class 3H for NP-001-97 and 2 seismic category for NP-031-01
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-I-17 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-10-I-17 to the technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.
Rate the product: TOL-10-I-17
Number of views: 1917
Product rating: 4.8
Number of grades: 489
* rating and all product statistics are updated once a month; information is current as of 18 December 2024

Photos: TOL-10-I-17

TOL-10-I-17 transformer image.

TOL-10-I-17 transformer image.

TOL-10-I-17 transformer scheme.

TOL-10-I-17 transformer scheme.

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