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TPOL-10M-4

22 553 RUB
27 063 UAH

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For order is possible effectively delivery of any quantity.
Current transformer TPOL-10M-4 (TPOL10M4, TPOL 10M 4, TPOL10M-4, TPOL10M 4, TPOL-10M4, TPOL 10M4)
 
Current transformer TPOL-10M-4 is intended 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 class voltages up to 10kV 50Hz or 60Hz.
Technical characteristics of the instrument current transformers TPOL-10M-4:
 
The number of secondary windings - 4;
Rated voltage - 10kV;
Maximum operating voltage of the device current transformer TPOL-10M-4 - 12kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TPOL-10M-4 - 1A, 5A;
Rated primary current - 20A, 30A, 40A, 50A, 75A, 80A, 100A, 150A, 200A, 300A, 400A, 600A, 800A, 1000A, 1500A, 2000A, 2500A, 3200A;
Accuracy class of the instrument current transformer TPOL-10M-4:
- Secondary winding for measurement - 0,5; 0,5 S, 0,2; 0,2 S;
- Secondary protection - 5P, 10P *;
Rated secondary current transformer load device TPOL-10M-4 with a power factor:
- Cos φ = 1 - secondary winding for measurement - 1 V · A-2, 5 V · A;
- Cos φ = 0,8 - secondary winding for measurement - 3V-30V · A · A;
- Cos φ = 0,8 - secondary protection - 3V-30V · A · A;
Rated current ratio of secondary winding device CT TPOL-10M-4 for protection - 10A-23A;
Nominal safety factor of instruments for the measurement of the secondary winding - 10-24;
Multiplicity three seconds thermal current device CT TPOL-10M-4 at the rated primary current - 33-60;
Multiplicity current withstand - 50-170;
Test voltage instrument transformer current TPOL-10M-4:
- 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 TPOL-10M-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 TPOL-10M-4
 
Rated secondary current transformer load device TPOL-10M-4, VA
3
5
10
15
20
30
40
50
Ratio of transformation
Rated current ratio
20-300/5
27
20
12
10
7
5
4
3
80, 200, 400/5
27
21
14
10
8
6
4
3,5
600/5
31
26
18
16
11
8
6
5
800/5
33
28
23
20
14
10
8
7
1000/5
32
27
20
16
13
10
8
7
1500/5
37
30
25
23
19
15
9
7
2000/5
31
27
22
19
17
14
12
10
 
The estimated value of the resistance of the secondary winding device CT TPOL-10M-4 DC are shown in Table 2;
 
Table 2 Calculated values ​​of the resistance of the secondary winding device CT TPOL-10M-4 DC
 
Rated current of the CT device TPOL-10M-4
Number of secondary winding
DC resistance of the windings
Number of secondary windings
4
20A, 30A, 50A, 75A, 100A, 150A, 300A
№ 1
#2
0.15 Ohm
0.20 Ohm
40A, 80A, 200A, 400A
№ 1
#2
0.20 Ohm
0.28 Ohm
600A
№ 1
#2
0.15 Ohm
0.20 Ohm
800A
№ 1
#2
0.20 Ohm
0.28 Ohm
1000A
№ 1
#2
0.22 Ohm
0.31 Ohm
1500A
№ 1
#2
0.35 Ohm
0.49 Ohm
2000A
№ 1
#2
0.42 Ohm
0.64 Ohm
2500A
№ 1
#2
0.39 Ohm
0.56 Ohm
3000A
№ 1
#2
0.55 Ohm
0.68 Ohm
 
Instrument current transformer TPOL-10M-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 TPOL-10M-4
 
TPOL-10M-4 - Current transformer - Drawing.
 
Dimensions and weight of the device current transformer TPOL-10M-4 are shown in Table 3;
 
Table 3 Dimensions and weight of the device current transformer TPOL-10M-4
 
Embodiment
Rated primary current
Dimensions.
Weight
H
B
C
S
TPOL-10M-4
2A to 200A
110mm
388mm
454mm
6mm
25kg
300A-600A
80mm
290mm
6.5 mm
800A
9.5 m
1000A
11.5 mm
1500A-2000A
18mm
2500A, 3200A
504mm
20mm
TPOL-10M-4B
TPOL-10M-4R
-
454mm
-
 
The transformers are manufactured in climatic design "V3" and "T3" 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 +40 ° C for version "F3" and from -10 ° C to +45 ° C for the performance of "T3";
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
- 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;
- Equipment CT TPOL-10M-4 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 TPOL-10M-4 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 TPOL-10M-4 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TPOL-10M-4

TPOL-10M-4 transformer image.
TPOL-10M-4 transformer image.
TPOL-10M-4 transformer scheme.
TPOL-10M-4 transformer scheme.


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