571. Electrical measuring transducers for converting a.c. electrical quantities to analogue or digital signals. (14th August 2002) 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) ↗
572. Electrical protection relays. Information and requirements for all protection relays. Specification for electrical disturbance tests. 1 MHz burst disturbance tests Part 1.4.1, (31st August 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
573. Electrical protection relays. Information and requirements for all protection relays. Specification for electrical disturbance tests. Fast transient disturbance test Part 1.4.4, (15th February 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
574. Electrical protection relays. Requirements for multi-input energizing quantity relays. Specification for biased (percentage) differential relays Part 4-4.1, (30th April 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
575. Electrical protection relays. Requirements for single input energizing quantity relays. Specification for single input energizing quantity measuring relays with dependent specified time Part 3-3.2, (31st December 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
576. Electrical protection relays. Requirements for single input energizing quantity relays. Specification for single input energizing quantity measuring relays with non-specified time or independent specified time Part 3-3.1, (31st December 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
577. Electrical protection relays. Requirements for the principal families of protection relays. Specification for thermal electrical relays Part 2-2.3, (31st May 1991) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
578. Electrical relays. All-or-nothing electrical relays Part 1-00, (28th November 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
579. Electrical relays. Contact performance Part 23, (15th April 1997) 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) ↗
580. Electrical relays. Electrical disturbance tests for measuring relays and protection equipment. Electrostatic discharge tests Part 22-2, (15th March 1997) 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) ↗