Ivo Pinkiewicz, IENOT, POLAND CENTRAL EUROPE MARKET SURVEY PART 1 - POLAND

ENERGY DEMAND OF ENERGY IN EU AND POLAND IN PERIOD POLAND EU POLAND

LOSSES IN ENERGY MARKET PARTICIPATION OF ENERGY SALE AT DIFFERENT VOLTAGE LEVELS AND LOSSES IN ENERGY MARKET in 1998

LOSSES PARTICIPATION OF DISTRIBUTION TRANSFORMERS LOSSES IN TOTAL LOSSES ON VOLTAGE LEVELS ( ,4) kV

ENERGY AND LOSSES RELATION n Yearly energy transmitted by Distribution Transformers is approximately equal % of Yearly Energy Demand. n Energy losses in existing Distribution Transformers is approximately equal 3,0% of yearly transmitted energy.

DISTRIBUTION TRANSFORMERS LOSSES ASSUMING THE SAME PROFILE OF TRANSFORMER POPULATON AND THE SAME LOAD PROFILE AS IN 1998

RATED LOSSES CATALOGUE LOSSES OF TRANSFORMERS RATED kVA MANUFACTURED IN POLAND AMORPHOUS C-C’ HD 428 AMORPHOUS HD 428 C-C’ AMORPHOUS HD 428 C-C’

AMORPHOUS TRANSFORMERS n 7 units have been manufactured in Poland.  100 kVA/15,75 kV pcs.  250 kVA/15,75 kV pcs.  400 kVA/15,75 kV pcs. n Load losses according to list A of HD 428 n No load losses at level approximately 20% of list A’ (or 30% of list C’)

AMORPHOUS and OTHERS TRANSFORMERS COMPARISON EFFICIENCY AND SAVINGS OF ENERGY

Levels of load and no load losses acc. to HD428

HD 428. RELATED VALUE OF LOSSES ACCORDING TO HD428 LISTS AND NEW PROPOSAL

HD 428 PROPOSITION OF EXPANDING HD428 LOSSES LIST LIST X’ - AMORPHOUS