electrical safety
What is Arc Flash Risk Assessment?
AFRA— Arc Flash Risk Assessment is electrical safety analysis used to identify arc flash energy. It requires Short Circuit Current Study, and it has a big influence on Protective Device Coordination. To identify Arc Flash Hazard, we use global standards:
- NFPA 70E or CSA Z462
- IEEE 1584 and IEEE 1584.1
- DGUV 203-077
AFRA allows to :
- calculate arc flash incident energy value (cal/cm2 or kJ)
- calculate arc flash boundary
- select required PPE against arc flash hazard
- identify possible improvements
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Why do I need it?
AFRA — Arc Flash Risk Assessment is often a direct or indirect legal requirement in the EU as part of workplace hazard identification. From practical side, Arc Flash Risk Assessment is much more than just „analysis”. At MR Power Systems, it contains:- site data collection visit
- electrical hazard safety audit with summary action list
- Arc Flash Study report for „existing” situation results
- Recommendations and results for „recommended” situation
- Arc Flash Labels
- Electrical Safety Training
When do I need it?
Every electrical installation should have documented Arc Flash hazards. The most common way is to do AFRA study. Usually it is necessary to identify arc flash risk level for:- in existing electrical installations
- before building new electrical installations
- after/before changes or modernization of electrical system
- after accidents🙁
What is Electrical Safety Audit?
Electrical Safety Audits — our custom-made service focusing on finding overall electrical safety violations and non-compliance. It is an online meeting, site audit visit and summary findings report containing:
- existing documentation review
- required documentation compliance (local and corporate)
- electrical safety plan check
- electrical documentation/diagrams review
By understanding what is missing, we can focus what to do next. Site visit will reveal further details like:
- electrical system (visual check)
- up-to-date electrical diagrams
- installation problems
- administration, trainings, PPE etc.
- more…
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Why do I need it?
LV&MV Substation Audit allows to look at your electrical substation from helicopter perspective. Typical outcome allows you to:- work on immediate electrical safety issues (with our list)
- plan long term actions and budget
- avoid spending your money in wrong place
- work with our recommendations list
- identify need for Arc Flash Risk Assessment
- identify need for other Power System Studies
When do I need it?
Every time is the best time to start. If you ask yourself such questions, then get in touch:- What supply this panel?
- Who should sign this Permit to Work?
- Where are electrical maintenance records?
- How did we set up this protection settings?
- Are my electricians, maintenance engineers aware about electrical hazards?
- Where is my dog? (no, we can't help this, but we can try 😉)
What is Substation Safety Audit?
LV&MV Substation Audit — this is our internal-built checklist based LV and MV substation audit up to 36kV. It is a long list of things to check and verify from areas of:
- electrical safety issues
- required documentation
- design requirements (IEC61439 and IEC 62271 based)
- PPE requirements and substation safety equipment
- procedures / electrical safety plan
By understanding what is missing, we can focus what to do next. It will help you to decide about:
- upgrade substation
- update electrical safety plan
- update trainings scope
- replace old equipment
- identify PPE issues
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Why do I need it?
Simple answer is to design properly electrical installation and avoid catastrophic equipment failures and fault conditions. Once we have fault current values, we can :- size electrical cables
- size electrical switchgears, panel boards, MCC's…
- size circuit breakers against short circuit currents
- adjust properly protective device settings
- allows us to verify existing equipment short circuit ratings
- allows to perform Arc Flash Risk Assessment
When do I need it?
Even tomorrow. If you ask yourself such questions, then get in touch:- Is my switchgear rated properly against short circuit current?
- When was the last maintenance?
- When was the last electrical measurement?
- When we tested protection relay or main breakers?
- Is it safe to switch it?
- Why I have 1kV fire extinguisher in 10kV room?
Arc Flash Training
Arc Flash Training — one of Electrical Safety trainings by MR Power Systems. It can be :
- on-site training
- on-line training
- e-learning program
While we have standard training program, we often built customer specific trainings to address :
- NFPA70E and CSA Z462 arc flash in Europe vs. corporate requirements
- Arc Flash in EU country specific law
- Arc Flash in theory & practice
- Arc Flash accidents, errors, and myths
- PPE types and selection against Arc Flash Hazard
- and much more…
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Why do I need it?
Electric Shock Hazard — one of Electrical Safety trainings by MR Power Systems. It can be:- on-site training
- on-line training
- e-learning program
- NFPA70E and EN 50110 shock hazard assessment in Europe
- Electric Shock Hazard in EU country specific law
- Electric Shock Hazard in theory & practice
- Electric Shock Hazard design related topics
- PPE types and selection against Electric Shock
- and much more…
When do I need it?
Electric Safety Plan — usually once we finish writing ESP, we implement it by training program. This allows to verify multiple things but also transfer knowledge to people about :- Scope of ESP (customer specific)
- When we use it
- What it does
- Electrical hazards
- Permit to Work and rules behind it
- and much more…
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