Electrical Safety: build trust in electrification
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  • Electrical Safety: build trust in electrification

Johan Hollertz
Manager, Engineering & Digital Services
+46 (0)739 415 708
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Electrical Safety: build trust in electrification.

With a growing demand for electrified products as well as electric vehicles and machines, the need for electrical safety strategies is becoming more and more important. Focusing on electrical safety aspects early on in the product development process prevents risks and accidents.

Semcon offers strategies and concept design to reduce risk in electrified products. Electricity is synonymous with risk and it is therefore important always to consider the electrical safety aspects in respect of:

  • Electrical protection (after a crash, during maintenance, etc.)
  • Electric motor gearbox design, construction and control
  • Safe behaviour in the presence of high temperatures and overheating
  • Protection of employees from electrical and chemical hazards in the laboratory
  • Cooling and cooling systems control
  • Cables and connectors
  • Proper earthing
  • Quality of sensors
  • Battery management
  • Proper electrical safety marking
To develop electrical products based on human behaviour means developing safe products. An unsafe product is not based on human needs and behaviour.

Viacheslav Izosimov, Functional Safety Manager, Semcon

How can I follow rules and standards and minimize risks in complex projects?

Define electrical safety aspects early in the product development initial design phase because a number of standards require electrical safety analysis.

  1. Prevent severe and major injuries.
  2. The majority of persons at risk have to be able to avoid accidents.
  3. Reduce exposure to accidents to a level classified as improbable.

 

A combination of these three factors should give a “sufficiently low” level of residual risk.

Semcon’s offer

We offer solutions for reducing failure risks to an acceptable level and measures to prevent electrically unsafe situations as well as risk probability reduction per situation. Technical and non-technical (process, organisation) measures are considered.

The offer is divided into three steps:

  1. Electrification Strategy: pre-study
  2. Concept Design: electrical safety analysis
  3. Concept Design: electrical safety requirements elicitation

 

A series of electrical safety analysis methods form the basis for the proposed solutions:

  • e-HARA (Electrical Hazard Analysis and Risk Assessment)
  • e-FTA (Electrical Fault Tree Analysis)
  • Electrical safety levels conversion
  • Electrical safety requirements elicitation

 

The outcome is a reliable, electrically-safe designed product or service.

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