While electricity demand grows up and the nature of loads becomes more challenging, a short interruption of power can expose lives and impact economies.

Whether you are Grid operators, Developers or Investors, Reliability, Availability, and Maintainability (RAM) investigations during development phase are of great interest to analyze the performance of your electrical system in an early stage in order to mitigate risks and optimize operation.

Our RAM evaluation procedure is based on the Network Reduction method presented in IEEE Std. 493, this procedure is suitable for evaluating reliability in systems which consist of serial and parallel subsystems.

To achieve RAM requirements, we focus our analysis to the following main concerns:

  • Forced outages (FO)

  • Scheduled outages (SO), annual maintenance

  • Mean Time Between Failure (MTBF)

  • Mean Time To Repair (MTTR), including spare parts policy

  • System / component redundancy

OBJECTIVES

  • Calculate the MTBF

  • Calculate the MTTR

  • Calculate the Failure rate

  • Calculate the Unplanned Availability

  • Calculate the Planned Availability

  • Calculate the Total availability

  • Calculate the spare units

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