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TPL-35-4

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102 660 UAH

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Current transformer TPL-35-4 (TPL354, TPL 35 4, TPL35-4, TPL35 4, TPL-354, TPL 354, TPL-35-IV)
 
Current transformer TPL-35-4 is designed to signal measurement data measurement devices, protection, automation, alarm and control circuits to isolate the secondary connections of high-voltage electrical installations AC.
 
Technical characteristics of the instrument current transformers TPL-35-4:
 
The number of secondary windings - 4;
Rated voltage - 35kV;
Maximum operating voltage instrument transformer current TPL-35-4 - 40.5 kV;
Rated frequency AC - 50Hz or 60Hz;
Rated secondary current of the current transformer unit TPL-35-4 - 1A, 5A;
Rated primary current - 300A, 400A, 600A, 800A, 1000A, 1500A;
Accuracy class of the instrument current transformer TPL-35-4:
- Secondary winding for measurement - 0,2 S, 0,2, 0,5 S, 0,5, 1;
- Secondary protection - 5P, 10P;
Rated secondary current transformer load device TPL-35-4 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 - 3V-50V · A · A;
- Cos φ = 0,8 - secondary protection - 3V-50V · A · A;
Rated current ratio of secondary winding device CT TPL-35-4 for protection - 10-26;
Nominal safety factor of instruments for the measurement of the secondary winding - 10;
Three-second thermal current instrument transformer current TPL-35-4:
- At rated primary current 300A - 12kA;
- At rated primary current 400A - 16kA;
- At rated primary current 600A - 24kA;
- At rated primary current 800A - 32kA;
- At rated primary current 1000A - 40kA;
- At rated primary current 1500A - 60kA;
Rated peak withstand current transformer unit TPL-35-4:
- At rated primary current 300A - 31kA;
- At rated primary current 400A - 41kA;
- At rated primary current 600A - 61kA;
- At rated primary current 800A - 82kA;
- At rated primary current 1000A - 102kA;
- At rated primary current 1500A - 153kA;
Test voltage instrument transformer current TPL-35-4:
- One-minute power frequency - 95kV;
- Lightning impulse full - 220 kW;
The estimated value of the resistance of the secondary winding device CT TPL-35-4 DC are listed in Table 1;
 
Table 1 Calculated values ​​of the resistance of the secondary windings of the current transformer unit TPL-35-4 DC
 
Rated current of the CT device TPL-35-4
Accuracy class
DC resistance of the windings
300A
№ 1
#2
0.10 Ohm
0.10 Ohm
400A
№ 1
#2
0.11 Ohm
0.13 Ohm
600A
№ 1
#2
0.17 Ohm
0.19 Ohm
800A
№ 1
#2
0.23 Ohm
0.26 Ohm
1000A
№ 1
#2
0.25 Ohm
0.30 Ohm
1500A
№ 1
#2
0.34 Ohm
0.49 Ohm
 
Calculated values ​​of the nominal current ratio of secondary winding for protection in terms of rated secondary load in accuracy classes for device 10P CT TPL-35-4 are shown in Table 2;
 
Table 2 Calculated values ​​of the nominal current ratio of secondary winding for protection in terms of rated secondary load in accuracy classes for device 10P CT TPL-35-4
 
Rated secondary current transformer load device TPL-35-4, VA
3
5
10
15
20
30
40
50
Ratio of transformation
Rated current ratio
300/5
38
30
18
13
10
7
5
4
400/5
44
35
23
17
13
9
7
6
600/5
50
42
29
22
18
13
10
8
800/5
53
45
33
27
24
16
13
11
1000/5
48
42
32
26
24
17
13
11
1500/5
45
39
33
28
26
19
16
14
 
General view of the device shown in Figure 1;
 
Figure 1: General view of the instrument current transformer TPL-35-4
 
TPL-35-4 - Current transformer - Drawing.
 
Dimensions and weight of the device current transformer TPL-35-4 are shown in Table 3;
 
Table 3 Dimensions and weight of the device current transformer TPL-35-4
 
Rated primary current
Dimensions.
Weight
S
L
L1
B
b1
300A, 400A, 600A
6.5 mm
1060mm
830mm
480mm
112mm
79kg
800A
9.5 mm
1000A
11.5 mm
1500A
18mm
 
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 with the heat the air inside the switchgear - from -60 ° C to +50 ° C;
- Environment explosive, without dust, reactive gases and vapors in concentrations destroy metal and insulation;
- Working position - any;
- Internal insulation casting, heat resistance class "B" and flammability class FH (PG) 1;
- 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 TPL-35-4 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 TPL-35-4 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 TPL-35-4 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos: TPL-35-4

TPL-35-4 transformer image.
TPL-35-4 transformer image.
TPL-35-4 transformer scheme.
TPL-35-4 transformer scheme.


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