3.1. VOLTAGE CASCADE ONE-PHASE OIL-IMMERSED THREE- AND FOUR-WINDING 110 - 330 kV TRANSFORMERS FOR OPEN STATIONARY SETTLEMENTS

Type Rated winding voltage, kV Rated power of secondary windings in accuracy classes, VA Maximum power, VA
HV winding LV windings main I main II
suppl.


main I


main II


suppl.


0,2


0,2


0,5


1


3


НКФ-110-06У1 (ХЛ1, Т1)* 110:√3 0,1:√3 0,1:√3 0,1 100* 100 200 400 500 600 2000
НКФ-110-57У1 (ХЛ1, Т1) 110:√3 - 0,1:√3 0,1 - 200 400 600 1200 600 2000
НКФ-220-06У1 (ХЛ1, Т1)** 220:√3 0,1:√3 0,1:√3 0,1 100** 100 200 400 500 600 2000
НКФ-220-58У1 (ХЛ1, Т1) 220:√3 - 0,1:√3 0,1 - 200 400 600 1200 600 2000


НКФ-330-73У1


330:√3


-


0,1:√3


0,1


-


200


400


600


1200


600


2000

* - Accuracy class 0.2 of the main I winding is guaranteed with simultaneous loading of the main I windings up to 100 VA and
main II up to 400 VA.
** - Accuracy class 0.2 of the main I winding is guaranteed with simultaneous loading of the main I windings up to 100 VA
and main II up to 250 VA.