Shopping Cart

No products in the cart.

BSI 23/30478734 DC 2023

$13.70

BS EN 50708-1-1. Power transformers. Additional European requirements – Part 1-1. Common part. General requirements

Published By Publication Date Number of Pages
BSI 2023 36
Guaranteed Safe Checkout
Category:

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

PDF Catalog

PDF Pages PDF Title
8 1 Scope
2 Normative references
3 Terms and definitions
14 4 Service condition
5 Ratings and general requirements
5.1 Rated power
15 5.2 Rated frequency
5.3 Energy performance
5.3.1 Energy performance requirements
5.3.2 Exclusion from energy performance requirements
16 5.3.3 Reference conditions
5.4 Material efficiency
5.4.1 General
17 5.4.2 Durability and reliability
5.4.3 Ability to remanufacture
5.4.4 Ability to repair, reuse and upgrade
18 5.4.5 Recyclability and recoverability
5.4.6 Proportion of reused major components
5.4.7 Proportion of recycled content
19 5.4.8 Use of critical raw materials
5.5 Sustainability
5.6 Technical documentation
5.6.1 General
20 5.6.2 Recyclability and recoverability
5.6.3 Proportion of recycled content
5.6.4 CO2 equivalent emission
5.6.5 Accessory and major component data
21 5.6.6 Critical raw materials (CRMs)
6 Rating plate
7 Tolerances
7.1 Tolerance during acceptance tests
22 7.2 Tolerances for market surveillance
8 Tests
8.1 General
8.2 Measurement of cooling consumption
9 Accessories and fittings
10 Capitalization of losses
23 11 Transformer reprocessing
24 Annex A (normative)Peak efficiency calculation
A.1 Efficiency Index
A.2 Peak Efficiency Index
25 A.3 PEI calculation for transformers having more than two windings
27 Annex B (informative)Capitalization of losses
B.1 General theory, concept of capitalization
B.2 Impact of capitalization values
28 B.3 Capitalization formula
B.3.1 General
B.3.2 Calculation of factor A
29 B.3.3 Calculation of factor B
31 B.3.4 Use of A and B for tender evaluation
B.3.5 Determination of factors A and B
33 Annex C (informative)A-deviations
34 Annex D (informative)Additional considerations related to energy performances
D.1 General
D.2 Autotransformers
D.3 Voltage and insulation level
D.4 More than two windings
D.5 Short-circuit impedance
D.6 Tapping range
35 D.7 Losses on taps different than rated tap
D.8 Separate phases
36 Annex ZZ (informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 548/2014 of 21 May 2014 and its amendment No 2019/1783 of 1 October 2019 on implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to small, medium and large power transformers aimed to be covered
BSI 23/30478734 DC 2023
$13.70