BS EN 61800-9-2:2017 Adjustable speed electrical power drive systems Ecodesign for power drive systems, motor starters, power electronics and their driven applications. Energy efficiency indicators for power drive systems and motor starters

Adjustment
Velocity
Energy consumption
Energy conservation
Efficiency
Electric motors

Link: BS EN 61800-9-2:2017 Adjustable speed electrical power drive systems Ecodesign for power drive systems, motor starters, power electronics and their driven applications. Energy efficiency indicators for power drive systems and motor starters
Source: BSI Standards

BS EN 4652-221:2017 Aerospace series. Connectors, coaxial, radio frequency Type 2 TNC interface. Crimp version. Right angle plug. Product standard

Approval testing
Crimped connectors
Electrical connections
Valve plugs
Acceptance (approval)
Storage
Test methods
Electric contacts
Quality assurance
Qualification approval
Packaging
Aircraft components
Marking
Designations
Soldered connectors
Electric connectors

Link: BS EN 4652-221:2017 Aerospace series. Connectors, coaxial, radio frequency Type 2 TNC interface. Crimp version. Right angle plug. Product standard
Source: BSI Standards

BS IEC 61937-14:2017 Digital audio. Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 Non-linear PCM bitstreams according to the AC-4 format

Audio equipment
Binary digits
Information exchange
Digital recording methods
Data transmission
Coding (data conversion)
Pulse-code modulation
Audio systems
Interfaces (data processing)
Acoustic signals
Digital signals
Interfaces

Link: BS IEC 61937-14:2017 Digital audio. Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 Non-linear PCM bitstreams according to the AC-4 format
Source: BSI Standards

BS EN 62680-3-1:2017 Universal Serial Bus interfaces for data and power Universal Serial Bus 3.1 Specification (IEC 62680-3-1:2017)

Electric connectors
Dimensions
Voltage
Audio equipment
Identification methods
Portable
Electronic equipment and components
Multimedia
Electrical properties and phenomena
Electric charge
Electric plugs
Battery-powered devices
Battery chargers

Link: BS EN 62680-3-1:2017 Universal Serial Bus interfaces for data and power Universal Serial Bus 3.1 Specification (IEC 62680-3-1:2017)
Source: BSI Standards