41. BS EN IEC 60034-2-2. Rotating electrical machines. Part 2-2. Specific methods for determining separate losses of large machines from tests. Supplement to IEC 60034-2-1 (5th November 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
42. BS EN IEC 60034-2-3. Rotating electrical machines. Part 2-3. Specific test methods for determining losses and efficiency of converter-fed AC motors (5th November 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (31 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
43. BS EN IEC 60034-30-3. Rotating electrical machines. Part 30-3. Efficiency classes of high voltage AC motors (IE code) (12th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (23 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
44. BS EN IEC 60034-30-3. Rotating electrical machines. Part 30-3. Efficiency classes of high voltage AC motors (IE code) (22nd January 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
45. BS EN IEC 62282-3-200. Fuel cell technologies. Part 3-200. Stationary fuel cell power systems. Performance test methods (28th February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (77 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
46. BS EN IEC 62565-3-1. Nanomanufacturing. Material specifications. Part 3-1. Graphene. Blank detail specification (30th August 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
47. BS EN IEC 62565-3-1. Nanomanufacturing. Material specifications. Part 3-1. Graphene. Blank detail specification (3rd May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (23 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
48. BS EN IEC 62722-2-1. Luminaire performance. Part 2-1. Particular requirements for LED luminaires (26th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
49. BS EN ISO 10848-5. Acoustics. Laboratory and field measurement of the flanking transmission for airborne, impact and building service equipment sound between adjoining rooms. Part 5. Radiation efficiencies of building elements (21st October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
50. BS EN ISO 16890-2. Air filters for general ventilation. Part 2. Measurement of fractional efficiency and air flow resistance (9th June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (71 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗