Systems and software engineering — Life cycle management — Guidelines for process description
An increasing number of international, national and industry standards describe process models. These models are developed for a range of purposes including process implementation and assessment. The terms and descriptions used in such models vary in format, content and level of prescription. ISO/IEC TR 24774:2010 presents guidelines for the elements used most frequently in describing a process:…
Systems and software engineering - Life cycle management - Guidelines for process description
An increasing number of international, national and industry standards describe process models. These models are developed for a range of purposes including process implementation and assessment. The terms and descriptions used in such models vary in format, content and level of prescription. ISO/IEC TR 24774:2010 presents guidelines for the elements used most frequently in describing a process:…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particula...
IEC 61558-2-23:2010 deals with the safety of transformers for construction sites and power supply units incorporating transformers for construction sites. Transformers incorporating electronic circuits are also covered by this standard. This second edition cancels and replaces the first edition published in 2000. It constitutes a technical revision. The main changes consist of updating this Part…
Power installations exceeding 1 kV a.c. - Part 1: Common rules
IEC 61936-1:2010 provides common rules for the design and the erection of electrical power installations in systems with nominal voltages above 1 kV a.c. and nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use intended. For the purpose of interpreting this standard, an electrical power installation is considered to be one of the following:
a)…
Safety of transformers, reactors, power supply units and combinations thereof - EMC requirements
IEC 62041:2010 applies to transformers, reactors, power supply units and combinations thereof covered by the IEC 61558 series of standards. This standard deals with the electromagnetic compatibility requirements for emission and immunity within the frequency range 0 Hz - 400 GHz. No measurement needs to be performed at frequencies where no requirement is specified. This second edition cancels and…
Fixed capacitors for use in electronic equipment - Part 26-1: Blank detail specification - Fixed alu...
IEC 60384-26-1:2010 is a supplementary document to the sectional specification and contains requirements for style and layout and minimum content of detail specifications. Detail specifications not complying with these requirements may not be considered as being in accordance with IEC specification nor shall they so be described.
Railway applications - Environmental conditions for equipment - Part 1: Equipment on board rolling s...
IEC 62498-1:2010 covers the use of on board electrical, electromechanical and electronic equipment for rolling stock, for the following parameters:
- altitude,
- temperature,
- humidity,
- air movement,
- rain,
- snow and hail,
- ice,
- solar radiation,
- lightning,
- pollution,
- vibrations and shocks,
- electromagnetic interference environment,
- acoustic noise environment,
- supply system…
Railway applications - Environmental conditions for equipment - Part 2: Fixed electrical installatio...
IEC 62498-2:2010 deals with the environmental influences on fixed electrical installations for traction power supply and equipment essential to operate a railway:
- in open air;
- in covered areas;
- in tunnels;
- within enclosures placed in the above-mentioned areas.
Such influences include altitude, temperature and humidity, air movement, rain, snow, hail, ice, sand, solar radiation, lightning…
