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TOL-10-I-1

11 933 RUB
14 319 UAH

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For order is possible effectively delivery of any quantity.
Current transformer TOL-10-I-1 (TOL10I1, TOL 10 I 1, TOL10-I-1, TOL10 I 1, TOL10I-1, TOL10I 1, TOL-10-1-1, TOL-10-I-I)
 
Current transformer TOL-10-I-1 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-1:
 
The number of secondary windings - 2;
Rated voltage - 10kV or 11kV *;
Maximum operating voltage of the device current transformer TOL-10-I-1 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TOL-10-I-1 - 1A, 5A;
Rated primary current - 5A, 10A, 15A, 20A, 30A, 40A, 50A, 75A, 80A, 100A, 150A, 200A, 300A, 400A, 600A, 750A, 800A, 1000A, 1200A, 1500A, 2000A;
Accuracy class of the instrument current transformer TOL-10-I-1:
- 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-1, with a power factor cos φ = 0,8:
- Secondary winding for measurement - up to 30V · A **;
- 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-I-1:
- 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 - 20kA;
- At rated primary current 200A - 20kA;
- At rated primary current 300A, 400A - 40kA;
- At rated primary current 500A-2000A - 40kA;
Rated peak withstand current instrument transformer TOL-10-I-1:
- 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 - 51kA;
- At rated primary current 200A - 51kA;
- At rated primary current 300A, 400A - 102kA;
- At rated primary current 500A-2000A - 102kA;
Test voltage instrument transformer current TOL-10-I-1:
- 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-1 are listed 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-1
 
Rated secondary current transformer load device TOL-10-I-1, VA
3
5
10
15
20
30
40
50
Ratio of transformation
Rated current ratio
5-300/5
27
20
12
10
7
5
4
3
80, 200, 400/5
27
21
14
10
8
6
4
3,5
600/5
26
21
15
10
9
7
5
4
750/5
27
23
16
13
10
8
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-I-1 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TOL-10-I-1 DC
 
Rated current of the device current transformer TOL-10-I-1
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-1 for the differential protection is available on request;
General view of the device shown in Figure 1;
 
Figure 1: General view of the instrument current transformer TOL-10-I-1
 
TOL-10-I-1 - Current transformer - Drawing.
 
Dimensions of the device current transformer TOL-10-I-1 are listed in Table 3;
 
Table 3: Dimensions of the device current transformer TOL-10-I-1
 
Rated primary current
B
H
h
10A-200A
36mm
224mm
26mm
5 A, 300 A, 400 A
40mm
224mm
26mm
500A-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-1 is intended for delivery to the AU, with class security for 3H-001 NP-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-1 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-10-I-1 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TOL-10-I-1

TOL-10-I-1 transformer image.
TOL-10-I-1 transformer image.
TOL-10-I-1 transformer scheme.
TOL-10-I-1 transformer scheme.


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