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  2. Failure modes, effects, and diagnostic analysis - Wikipedia

    en.wikipedia.org/wiki/Failure_Modes,_Effects...

    Using a number of published reference sources, exida began development of a mechanical component database in 2003. [14] After a few years of research and refinement, [15] the database has been published. [16] This has allowed the FMEDA to be used on combination electrical / mechanical components and purely mechanical components.

  3. Worst-case circuit analysis - Wikipedia

    en.wikipedia.org/wiki/Worst-case_circuit_analysis

    The circuit's EVA and RSS results are determined for beginning-of-life and end-of-life states. These results are used to calculate part stresses and are applied to other analysis. In order for the WCCA to be useful throughout the product’s life cycle, it is extremely important that the analysis be documented in a clear and concise format.

  4. Failure rate - Wikipedia

    en.wikipedia.org/wiki/Failure_rate

    Government and commercial failure rate data Handbooks of failure rate data for various components are available from government and commercial sources. MIL-HDBK-217F, Reliability Prediction of Electronic Equipment, is a military standard that provides failure rate data for many military electronic components. Several failure rate data sources ...

  5. Bathtub curve - Wikipedia

    en.wikipedia.org/wiki/Bathtub_curve

    A product is said to follow the bathtub curve if in the early life of a product, the failure rate decreases as defective products are identified and discarded, and early sources of potential failure such as manufacturing defects or damage during transit are detected. In the mid-life of a product the failure rate is constant.

  6. List of IEC standards - Wikipedia

    en.wikipedia.org/wiki/List_of_IEC_standards

    The International Electrotechnical Commission (IEC; French: Commission électrotechnique internationale) is an international standards organization that prepares and publishes international standards for all electrical, electronic and related technologies.

  7. High-temperature operating life - Wikipedia

    en.wikipedia.org/.../High-temperature_operating_life

    High-temperature operating life (HTOL) is a reliability test applied to integrated circuits (ICs) to determine their intrinsic reliability. This test stresses the IC at an elevated temperature, high voltage and dynamic operation for a predefined period of time. The IC is usually monitored under stress and tested at intermediate intervals.

  8. Energy conversion efficiency - Wikipedia

    en.wikipedia.org/wiki/Energy_conversion_efficiency

    Useful output energy is always lower than input energy. Efficiency of power plants, world total, 2008. Energy conversion efficiency (η) is the ratio between the useful output of an energy conversion machine and the input, in energy terms. The input, as well as the useful output may be chemical, electric power, mechanical work, light (radiation ...

  9. Single-line diagram - Wikipedia

    en.wikipedia.org/wiki/Single-line_diagram

    A typical one-line diagram with annotated power flows. Red boxes represent circuit breakers, grey lines represent three-phase bus and interconnecting conductors, the orange circle represents an electric generator, the green spiral is an inductor, and the three overlapping blue circles represent a double-wound transformer with a tertiary winding.