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Components & Accessories of Transformer

OLBS(15kV, 25.8kV, 38kV)

Description: Shall be installed on primary side of pad transformer's inside.
Power open/close & oil insulation type for application with loop feed
Features: Avaliable to installation primary side of the transformer with 3 phase bundle operation type
Good electrical, mechanical withstand maintenence by Using to polymer material of high quality
Various designs; 2 position, 3 position, 4 position
Use to indicator, which can discriminate operation
Brand

Outline

OLBS_drw(2).jpg

Technical data

ITEMS		VALUE
Rated Voltage		15 kV	25.8 kV	38 kV
Rated Current		630 A / 400 A	300 A / 200 A
Rated Frequency		50 / 60 Hz
Rated Short time Current		12.5 kA / 1 sec
Rated Peak Current		32.5 kA ( peak ) / 2 times
Current ( Open / Colse )	Load Current	630 / 31.5 A	300 / 50 A	200 / 10 A
	Loop Current	630 A	300 A	200 A
	Cable Charge Current	25 / 7.5 A	16 / 4.8 A
	Line Charge Current	1.5 A
	Excitation Current	21 A
No Voltage		1,000 times
Power-Frequency Withstand Voltage		60 kV ( 1 min, Type Test )
Impulse Withstand Voltage		95 kV	125 kV	150 kV

Applied standard