Indoor current transformers support and bushing type ТПЛ-10-М (TPL-10-M)

Indoor current transformers support and bushing type ТПЛ-10-М (TPL-10-M)

Current transformer TPL-10-MDescription

The transformers are intended for transmitting the measuring information signal to measuring instruments and to protection, automatic control and signaling devices as well as for insulation of secondary current circuits from high voltage in factory-assembled switchgears for voltage class 10 kV with 50 or 60 Hz frequency.
The transformer is intended for replacement and repair works to substitute transformer TPL-10, that was withdrawn from production. The transformers for differential protection are delivered at the special order.
The transformer is manufactured in climatic versions "У" (moderate) and "T" (tropical) according to the standard requirements of GOST 15150 location category 3 and is intended for usage under the following operating conditions:

  • altitude above sea level is not higher than 1000 m;
  • ambient air temperature from minus 45°С to plus 50°С for "У2" version and from minus 10 to plus 50 for "T2" version;
  • environment should be non-explosive, without dust, chemical gases and corrosive steams in concentrations that are likely to destroy metal or insulation (atmosphere type II as to GOST 15150);
  • mounting in any position.

Transformers are supplied with protective transparent covers for separate sealing of secondary winding's tappings (example of sealing).

The transformer is patented
Patent certificate № 54850 on industrial unit 

Table 1. Technical data of transformers TPL-10-M

Parameter

Value

TPL-10-M

TPL-10-M-1

TPL-10-M-4

Rated voltage, kV

10

Maximum operating voltage, kV

12

Rated frequency, Hz

50

Rated primary current, A

5, 10, 15, 20, 30, 40, 50, 75, 80, 100, 150, 200, 300, 400, 600, 750, 800, 1000, 1200, 1500, 2000

10, 15, 20, 30, 40, 50, 75, 80, 100, 150, 200, 300, 400, 600, 750, 800, 1000, 1200, 1500, 2000

10, 15, 20, 30, 40, 50, 75, 80, 100, 150, 200, 300, 400, 600, 750, 800, 1000

Rated secondary current, A

1; 5

Number of secondary windings

2

3

4

Accuracy class:

of secondary winding for measurement



0,2S; 0,5S; 0,2; 0,5; 1

Of secondary winding for protection

5P; 10P

Rated secondary burden, VA:

of secondary winding for measurement at cos φ=1
of secondary winding for measurement at cos φ=0,8
of secondary winding for protection at cos φ=0,8

 

1-2,5*
3-30* (10)
15

Short-circuit current ratio of secondary winding for protection, no less, at rated primary current, A:
5-600
750, 800
1000
1200, 1500, 2000



13
15
18
10



10
12
14
-

Three-second thermal current (ratio), at rated primary current, A:
5-300, 1200, 1500
400, 600, 750, 800, 1000, 2000


60
45

Dynamic current (ratio), at rated primary current, A:
5-300
400, 600, 750, 800, 1000
1200, 1500, 2000



265
200
150

Notes
1. *Exact burden should be specified in the order.
2. According to the order we may manufacture transformers with parameters different too mentioned above..

Table 2.

Rated primary current, А

S, мм

Pic.

5-100

4

1

150-300

6

2

400

4

600

8

750, 800

10

4

1000

12,5

Table 3. Weight of different types of transformers

Rated primary current, A

Types of windings

Weigth, kg

5-100

0,5/10Р
10Р/10Р

24

0,5S/10P
0,2S/10Р

23

150-300

0,5/10P

29

10P/10P

30

0,5S/10P
0,2S/10P

28

400

0,5/10P
0,2S/10P

27

10P/10P

28

0,5S/10P

26

600

0,5/10P

27

10P/10P

28

0,5S/10P
0,2S/10P

26

750; 800

0,5/10P

28

10P/10P

29

0,5S/10P
0,2S/10P

28

1000

0,5/10P

29

10P/10P

30

0,5S/10P
0,2S/10P

28

10-100

0,5/10P/10P
0,5S/10P/10P
0,2S/10P/10P

26

(150-300)
750, 800
1000

0,5/10P/10P
0,5S/10P/10P
0,2S/10P/10P

30

400, 600

0,5/10P/10P
0,5S/10P/10P
0,2S/10P/10P

29

 TPL-10-M-4

30 max

Table 4

Transformer type L, mm
0,5/10P; 0,5S/10P
0,2/10P; 0,2S/10P
135±1
10P/10P 150±1

General view of transformers (drawing)