Loss coefficients

Losses are calculated from gross consumption and discharge volumes, applying a polynomial whose coefficients are reassessed regularly.

• The coefficients ase, bse, cse and dse apply on weekdays for the so-called summer months (April to October).

• The coefficients ash, bsh, csh and dsh apply on weekdays for the so-called winter months (November to March).

• The coefficients awe, bwe, cwe and dwe apply on weekend days and public holidays for the so-called summer months (April to October).

• The coefficients awh, bwh, cwh and dwh apply on weekend days and public holidays for the so-called winter months (November to March).

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Quadratic formula of modelled losses:

• L(t) = a * X2(t) + b * X(t) + c * Y(t) + d
• L(t) represents the CoC of modelled losses in Power (kW)
• X(t) represents the CoC of the variable Gross Power Consumption (kW)
• Y(t) represents the CoC of the variable HTA consumption

Segmentation by day type and season:
A distinction is made between Working Days (S) and Weekend and Holiday days (W) and this by season (winter/summer rates ) which gives 4 overall sets of 3 coefficients (a, b, c).

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