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TOLITE-10 transformer buy in Minsk
TOLITE-10 transformer
TOLITE-10 transformer

TOLITE-10 transformer

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Belarus, Minsk
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Description
TOLITE-10 transformer


Transformers of current of TOLITE-10 are intended for installation in the complete KRU, KSO distributing devices and serve for a signal transmission of measuring information to measuring devices and devices of protection and management, for isolation of chains of secondary connections from a high voltage in electrical units of alternating current on tension class to 10 kV of frequency of 50 (60) Hz. Transformers for differential protection are delivered by the special order. TOLITE-10-1 transformers are issued with one secondary winding for measurement and one secondary winding for protection. Transformers on rated current 1000 and 1500 A can be issued with two secondary windings for protection.

Technical characteristics of the transformer of current of TOLITE-10:

Name of parameter Value
Rated voltage, kV 10 or 11
The largest working tension, kV 12
Nominal frequency of alternating current, Hz 50-60
Rated secondary current, And 1; 5
Rated primary current, And 10, 20, 30, 40, 50, 100, 150, 200, 300, 400, 600, 800, 1000, 1500, 2000, 2500, 3000
Number of secondary windings 2 or 3
Accuracy class:
secondary winding for measurements 0,5; 0,5S, 0,2; 0,2S
secondary winding for protection 10P
Rated secondary load at cosφ power factor = 0,8, VA
secondary winding for measurements to 30
secondary winding for protection 15
Nominal extreme frequency rate of a secondary winding for protection,
not less
10
One-second current of thermal firmness, kA, at rated primary current, And:
50 4,9
100 9,7
150 12,5
200 17,5
300-2000 31,5
2500 61
3000 61
Current of electrodynamic firmness, kA, at rated primary current, And:
50 17,5
100-200 52
300-2000 100
2500 152,5
3000 152,5
Test tension, kV:
one-minute industrial frequency 42
composite storm pulse 75

Service conditions:

TOLITE-10 transformers are manufactured in a climatic modification of "T" and "UHL" of category of placement 2.1 and are intended for operation in the enclosed space in ZRU 10 of kV in conditions:

- height above sea level no more than 1000 m;

- ambient temperature taking into account an air overheat in CREWE - from minus 60 °C to plus 50 °C for execution of "UHL 2.1" and from minus 10 °C to plus 55 °C for execution of "T2.1";

- environment is inexplosive, not containing dust, chemically active gases and vapors in the concentration destroying coverings of metals and isolation;

- working position of the transformer of current - any.

Marking interpretation:

T — the current transformer;
P — a checkpoint (lack of a letter P indicates that the transformer basic);
In — built in the oil switch;
W — built in the power transformer;
About — odnovitkovy;
JI — with cast pitch isolation;
Sh — tire;
M — malogabartny (for the transformer of current of internal installation);
To — bobbin;
F — with porcelain isolation;
3 — for protection against short circuit on the earth;
At — strengthened (with the increased electrodynamic firmness);
Federal Law — in the porcelain case with primary winding of zvenyevy type;
N — external installation;
R — with the core for relay protection;
D — with a secondary winding for food of differential protection;
M — oil-filled (for transformers of current of external installation).

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