Ecodesign requirements
ANNEX ISupplementary provisions
ANNEX I Ecodesign requirements 1. Minimum energy performance or efficiency requirements for medium power transformers Medium power transformers shall comply with the maximum allowed load and no-load losses or the Peak Efficiency Index (PEI) values set out in Tables I.1 to I.5, excluding medium power pole-mounted transformers, which shall comply with the maximum allowed load and no load losses values set out in Table I.6. 1.1. Requirements for three-phase medium power transformers with rated power ≤ 3 150 kVA Table I.1: Maximum load and no-load losses (in W) for three-phase liquid-immersed medium power transformers with one winding with U m ≤ 24 kV and the other one with U m ≤ 1,1 kV Tier 1 (from 1 July 2015) Tier 2 (from 1 July 2021) Rated Power (kVA) Maximum load losses P k (W) ( *1 ) Maximum no-load losses P o (W) ( *1 ) Maximum load losses P k (W) ( *1 ) Maximum no-load losses P o (W) ( *1 ) ≤ 25 C k (900) A o (70) A k (600) A o – 10 % (63) 50 C k (1 100 ) A o (90) A k (750) A o – 10 % (81) 100 C k (1 750 ) A o (145) A k (1 250 ) A o – 10 % (130) 160 C k (2 350 ) A o (210) A k (1 750 ) A o – 10 % (189) 250 C k (3 250 ) A o (300) A k (2 350 ) A o – 10 % (270) 315 C k (3 900 ) A o (360) A k (2 800 ) A o – 10 % (324) 400 C k (4 600 ) A o (430) A k (3 250 ) A o – 10 % (387) 500 C k (5 500 ) A o (510) A k (3 900 ) A o – 10 % (459) 630 C k (6 500 ) A o (600) A k (4 600 ) A o – 10 % (540) 800 C k (8 400 ) A o (650) A k (6 000 ) A o – 10 % (585) 1 000 C k (10 500 ) A o (770) A k (7 600 ) A o – 10 % (693) 1 250 B k (11 000 ) A o (950) A k (9 500 ) A o – 10 % (855) 1 600 B k (14 000 ) A o (1 200 ) A k (12 000 ) A o – 10 % (1080 ) 2 000 B k (18 000 ) A o (1 450 ) A k (15 000 ) A o – 10 % (1 305 ) 2 500 B k (22 000 ) A o (1 750 ) A k (18 500 ) A o – 10 % (1 575 ) 3 150 B k (27 500 ) A o (2 200 ) A k (23 000 ) A o – 10 % (1 980 ) Table I.2: Maximum load and no-load losses (in W) for three –phase dry-type medium power transformers with one winding with U m ≤ 24 kV and the other one with U m ≤ 1,1 kV. Tier 1 (1 July 2015) Tier 2 (1 July 2021) Rated Power (kVA) Maximum load losses P k (W) ( *2 ) Maximum no-load losses P o (W) ( *2 ) Maximum load losses P k (W) ( *2 ) Maximum no-load losses P o (W) ( *2 ) ≤ 50 B k (1 700 ) A o (200) A k (1 500 ) A o – 10 % (180) 100 B k (2 050 ) A o (280) A k (1 800 ) A o – 10 % (252) 160 B k (2 900 ) A o (400) A k (2 600 ) A o – 10 % (360) 250 B k (3 800 ) A o (520) A k (3 400 ) A o – 10 % (468) 400 B k (5 500 ) A o (750) A k (4 500 ) A o – 10 % (675) 630 B k (7 600 ) A o (1 100 ) A k (7 100 ) A o – 10 % (990) 800 A k (8 000 ) A o (1 300 ) A k (8 000 ) A o – 10 % (1 170 ) 1 000 A k (9 000 ) A o (1 550 ) A k (9 000 ) A o – 10 % (1 395 ) 1 250 A k (11 000 ) A o (1 800 ) A k (11 000 ) A o – 10 % (1 620 ) 1 600 A k (13 000 ) A o (2 200 ) A k (13 000 ) A o – 10 % (1 980 ) 2 000 A k (16 000 ) A o (2 600 ) A k (16 000 ) A o – 10 % (2 340 ) 2 500 A k (19 000 ) A o (3 100 ) A k (19 000 ) A o – 10 % (2 790 ) 3 150 A k (22 000 ) A o (3 800 ) A k (22 000 ) A o – 10 % (3 420 ) Table I.3: Correction of load and no load losses in case of other combinations of winding voltages or dual voltage in one or both windings (rated power ≤ 3 150 kVA) One winding with U m ≤ 24 kV and the other with U m > 1,1 kV The maximum allowable losses in Tables I.1 and I.2 shall be increased by 10 % for no load losses and by 10 % for load losses One winding with U m = 36 kV and the other with U m ≤ 1,1 kV The maximum allowable losses in Tables I.1 and I.2 shall be increased by 15 % for no load losses and by 10 % for load losses One winding with U m = 36 kV and the other with U m > 1,1 kV The maximum allowable losses indicated in Tables I.1 and I.2 shall be increased by 20 % for no load losses and by 15 % for load losses Case of dual voltage on one winding In case of transformers with one high-voltage winding and two voltages available from a tapped low-voltage winding, losses shall be calculated based on the higher voltage of the low-voltage winding and shall be in compliance with the maximum allowable losses in Tables I.1 and 1.2. The maximum available power on the lower voltage of the low-voltage winding on such transformers shall be limited to 0,85 of the rated power assigned to the low-voltage winding at its higher voltage. In case of transformers with one low-voltage winding with two voltages available from a tapped high-voltage winding, losses shall be calculated based on the higher voltage of the high-voltage winding and shall be in compliance with the maximum allowable losses in Tables I.1 and I.2., The maximum available power on the lower voltage of the high-voltage winding on such transformer shall be limited to 0,85 of the rated power assigned to the high-voltage winding at its higher voltage. If the full nominal power is available regardless of the combination of voltages, the levels of losses indicated in Tables I.1 and I.2 can be increased by 15 % for no load losses and by 10 % for load losses. Case of dual voltage on both windings The maximum allowable losses in Tables I.1 and I.2 can be increased by 20 % for no load losses and by 20 % for load losses for transformers with dual voltage on both windings. The level of losses is given for the highest possible rated power and on the basis that the rated power is the same regardless of the combination of voltages. 1.2. Requirements for medium power transformers with rated power > 3 150 kVA Table I.4: Minimum Peak Efficiency Index (PEI) values for liquid immersed medium power transformers Rated Power (kVA) Tier 1 (1 July 2015) Tier 2 (1 July 2021) Minimum Peak Efficiency Index (%) 3 150 < S r ≤ 4 000 99,465 99,532 5 000 99,483 99,548 6 300 99,510 99,571 8 000 99,535 99,593 10 000 99,560 99,615 12 500 99,588 99,640 16 000 99,615 99,663 20 000 99,639 99,684 25 000 99,657 99,700 31 500 99,671 99,712 40 000 99,684 99,724 Minimum PEI values for kVA ratings that fall in between the ratings given in Table I.4 shall be calculated by linear interpolation. Table I.5: Minimum Peak Efficiency Index (PEI) values for dry type medium power transformers Rated Power (kVA) Tier 1 (1 July 2015) Tier 2 (1 July 2021) Minimum Peak Efficiency Index (%) 3 150 < S r ≤ 4 000 99,348 99,382 5 000 99,354 99,387 6 300 99,356 99,389 8 000 99,357 99,390 ≥ 10 000 99,357 99,390 Minimum PEI values for kVA ratings that fall in between the ratings given in Table I.5 shall be calculated by linear interpolation. 1.3. Requirements for medium power transformers with rated power ≤ 3 150 kVA equipped with tapping connections suitable for operation while being energised or on-load for voltage adaptation purposes. Voltage Regulation Distribution Transformers are included in this category. The maximum allowable levels of losses set out in Tables I.1 and I.2 shall be increased by 20 % for no load losses and 5 % for load losses in Tier 1 and by 10 % for no load losses in Tier 2. 1.4. Requirements for medium power pole-mounted transformers The levels of load and no load losses indicated in Tables I.1 and I.2 are not applicable to liquid immersed pole-mounted transformers with power ratings between 25 kVA and 315 kVA. For these specific models of medium power pole-mounted transformers, the maximum levels of allowable losses are set out in Table I.6. Table I.6: Maximum load and no-load losses (in W) for medium power liquid immersed pole-mounted transformers Tier 1 (1 July 2015) Tier 2 (1 July 2021) Rated Power (kVA) Maximum load losses (in W) ( *3 ) Maximum no-load losses (in W) ( *3 ) Maximum load losses (in W) ( *3 ) Maximum no-load losses (in W) ( *3 ) 25 C k (900) A o (70) B k (725) A o (70) 50 C k (1 100 ) A o (90) B k (875) A o (90) 100 C k (1 750 ) A o (145) B k (1 475 ) A o (145) 160 C k + 32 % (3 102 ) C o (300) C k + 32 % (3 102 ) C o – 10 % (270) 200 C k (2 750 ) C o (356) B k (2 333 ) B o (310) 250 C k (3 250 ) C o (425) B k (2 750 ) B o (360) 315 C k (3 900 ) C o (520) B k (3 250 ) B o (440) 2. Minimum energy efficiency requirements for large power transformers The minimum efficiency requirements for large power transformers are set out in Tables I.7 and I.8. Table I.7: Minimum Peak Efficiency Index requirements for liquid immersed large power transformers Rated Power (MVA) Tier 1 (1 July 2015) Tier 2 (1 July 2021) Minimum Peak Efficiency Index (%) ≤ 4 99,465 99,532 5 99,483 99,548 6,3 99,510 99,571 8 99,535 99,593 10 99,560 99,615 12,5 99,588 99,640 16 99,615 99,663 20 99,639 99,684 25 99,657 99,700 31,5 99,671 99,712 40 99,684 99,724 50 99,696 99,734 63 99,709 99,745 80 99,723 99,758 ≥ 100 99,737 99,770 Minimum PEI values for MVA ratings that fall in between the ratings given in Table I.7 shall be calculated by linear interpolation. Table I.8: Minimum Peak Efficiency Index requirements for dry-type large power transformers Rated Power (MVA) Tier 1 (1 July 2015) Tier 2 (1 July 2021) Minimum Peak Efficiency Index (%) ≤ 4 99,158 99,225 5 99,200 99,265 6,3 99,242 99,303 8 99,298 99,356 10 99,330 99,385 12,5 99,370 99,422 16 99,416 99,464 20 99,468 99,513 25 99,521 99,564 31,5 99,551 99,592 40 99,567 99,607 50 99,585 99,623 ≥ 63 99,590 99,626 Minimum PEI values for MVA ratings that fall in between the ratings given in Table I.8 shall be calculated by linear interpolation. 3. Product information requirements From 1 July 2015, the following product information requirements for transformers included in the scope of this Regulation (Article 1) shall be included in any related product documentation, including free access websites of manufacturers: (a) information on rated power, load loss and no-load loss and the electrical power of any cooling system required at no load; (b) for medium power (where applicable) and large power transformers, the value of the Peak Efficiency Index and the power at which it occurs; (c) for dual voltage transformers, the maximum rated power at the lower voltage, according to Table I.3; (d) information on the weight of all the main components of a power transformer (including at least the conductor, the nature of the conductor and the core material); (e) For medium power pole mounted transformers, a visible display ‘For pole-mounted operation only’. The information under a); c) and d) shall also be included on the rating plate of the power transformers. 4. Technical documentation The following information shall be included in the technical documentation of power transformers: (a) manufacturer's name and address; (b) model identifier, the alphanumeric code to distinguish one model from other models of the same manufacturer; (c) the information required under point 3. If (parts of) the technical documentation is based upon (parts of) the technical documentation of another model, the model identifier of that model shall be provided and the technical documentation shall provide the details of how the information is derived from the technical documentation of the other model, e.g. on calculations or extrapolations, including the tests undertaken by the manufacturer to verify the calculations or extrapolations undertaken. ( *1 ) Maximum losses for kVA ratings that fall in between the ratings given in Table I.1 shall be obtained by linear interpolation. ( *2 ) Maximum losses for kVA ratings that fall in between the ratings given in Table I.2 shall be obtained by linear interpolation. ( *3 ) Maximum allowable losses for kVA ratings that fall in between the ratings given in Table I.6 shall be obtained by linear interpolation.