Indoor current transformers support type ТОЛ-10-М (TOL-10-M)

Indoor current transformers support type ТОЛ-10-М (TOL-10-M)

Support-type current transformer TOL-10-MApplication

Transformers are manufactured in climatic versions "УХЛ" (moderate cold) and "Т" (tropical) location category 2 according to GOST 15150.

Mounting in any position.

Service life - 30 years.

Transformers are produced on primary currents of 2500 and 3000 A, with two, three or four secondary windings.

Transformers for differential protection are supplied at special orders.

Table 1. Technical data

Parameter

Value

Types

2

3

4

Rated voltage, kV

10

Maximum operating voltage, kV

12

Climatic version

УХЛ 2 (moderate cold) or Т2 (tropical)

Rated frequency, Hz

50

Rated primary current, A

2500, 3000, 4000

Rated secondary current, А

5

Number of secondary windings

2

3

4

Accuracy class:

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

of secondary winding for measurement

of secondary winding for protection

10Р(5Р)

Rated secondary burden, VA:

1; 2; 2,5

3; 5; 10*; 15; 20; 25; 30

of secondary winding for measurement

at cos φ = 1

at cos φ = 0,8

of secondary winding for protection

at cos φ = 0,8

3; 5; 10; 15*; 20; 25; 30

Short-circuit current ratio of secondary winding for protection (at rated secondary burden of 15 VA), no less

10

Instrument security factor of a winding for measurement in accuracy classes 0,5; 0,2; 0,5S no more (at rated secondary burden of 10 VA)

13

Instrument security factor factor of a winding for measurement in accuracy classes 0,2S no more (at rated secondary burden of 10 VA)

10

Thermal current, kA, one second

61

Dynamic current, kA

152,5

Notes:
1 *Default values
2 Secondary burden, secondary current, maximum multiplicity of secondary winding for protection, instrument's safety factor of secondary winding for measurement, accuracy classes, number of windings should be specified in the order.
3 Transformers may be manufactured with inverted position of secondary tappings (see below).

Table 2. Transformer's weights

Transformer type
Rated primary current, A Pic. Weight, kg, max
TOL-10-M-2 2500, 3000 1 28
TOL-10-M-3 2 34
TOL-10-M-4 3 43
TOL-10-M-2 (3, 4)I* 4 (1,2,3) See TOL-10-M-2 (3,4)

*Inverted position of secondary windings.

General view of transformer (drawing)