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TOL-10-IM-4

22 553 RUB
27 063 UAH

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For order is possible effectively delivery of any quantity.
Current transformer TOL-10-IM-4 (TOL10IM4, TOL 10 IM 4, TOL10-IM-4, TOL10 IM 4, TOL10IM-4, TOL10IM 4, TOL-10-1M-4, TOL-10-IM-IV)
 
Current transformer TOL-10-IM-4 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-IM-4:
 
The number of secondary windings - 4;
Rated voltage - 10kV or 11kV *;
Maximum operating voltage of the device current transformer TOL-10-IM-4 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TOL-10-IM-4 - 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-IM-4:
- 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-IM-4, 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;
Test voltage:
- One-minute power frequency - 42kV;
- Lightning impulse - 75Sqr;
A one-second thermal current instrument transformer current TOL-10-IM-4:
- 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-IM-4:
- 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-IM-4:
- One-minute power frequency - 42kV;
- Lightning impulse full - 75Sqr;
Please 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-IM-4 are shown 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-IM-4
 
Rated secondary current transformer load device TOL-10-IM-4, VA
3
5
10
15
20
30
40
50
Ratio of transformation
Rated current ratio
(5-75) / 5 (100-300) / 5, 600/5
24
19.5
13
10
8
5.5
4
3,5
80/5, 400/5, 800/5
26
21,5
15
10
9
7
5.5
4.5
750/5
25
21
15
10
9
6.5
5
4
1000/5
27
23
17
10
9
8
7
5.5
1200/5
27
24
18
10
9
8.5
8
6
1500/5
18
16
12
10
8
6
5
4
2000/5
18
16
13
10
9
7.5
6
5
 
The estimated value of the resistance of the secondary winding device CT TOL-10-IM-4 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TOL-10-IM-4 DC
 
Rated current of the device current transformer TOL-10-IM-4
Number of secondary winding
DC resistance of the windings
5A-600A
№ 1
Number 2
#3
№ 4
0.157 Ohm
0.219 Ohm
0.219 Ohm
0.219 Ohm
80A, 400A
№ 1
Number 2
#3
№ 4
0.214 Ohm
0.299 Ohm
0.299 Ohm
0.299 Ohm
750A
№ 1
Number 2
#3
№ 4
0.201 Ohm
0.28 Ohm
0.28 Ohm
0.28 Ohm
800A
№ 1
Number 2
#3
№ 4
0.214 Ohm
0.299 Ohm
0.299 Ohm
0.299 Ohm
1000A
№ 1
Number 2
#3
№ 4
0.267 Ohm
0.374 Ohm
0.374 Ohm
0.374 Ohm
1200A
№ 1
Number 2
#3
№ 4
0.324 Ohm
0.451 Ohm
0.451 Ohm
0.451 Ohm
1500A
№ 1
Number 2
#3
№ 4
0.351 Ohm
0.48 Ohm
0.48 Ohm
0.48 Ohm
2000A
№ 1
Number 2
#3
№ 4
0.468 Ohm
0.64 Ohm
0.64 Ohm
0.64 Ohm
 
Instrument current transformer TOL-10-IM-4 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-IM-4
 
TOL-10-IM-4 - Current transformer - Drawing.
 
Dimensions of the device current transformer TOL-10-IM-4 are shown in Table 3;
 
Table 3 Dimensions and weight of the device current transformer TOL-10-IM-4
 
Rated primary current
L
B
b1
B2
h
Weight
5A, 15A-400A
375mm
40mm
100mm
72mm
26mm
29kg
10A
40mm
100mm
72mm
22mm
29kg
600A-1000A
40mm
100mm
72mm
32mm
29kg
1200A-2000A
60mm
132mm
104mm
36mm
32kg
 
The transformers are manufactured in climatic design "T2" and "UHL2" 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 execution "UHL2" 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-IM-4 is designed for the delivery of 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-IM-four 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-IM-4 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TOL-10-IM-4

TOL-10-IM-4 transformer image.
TOL-10-IM-4 transformer image.
TOL-10-IM-4 transformer scheme.
TOL-10-IM-4 transformer scheme.


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