Arc Flash Hazard Analysis

Arc Flash Hazard Analysis

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Penerangan

Electrical Safety & Power System Engineering

Electrical Arc Flash Hazard Analysis & ETAP Power System Studies

Identify electrical hazards, calculate arc flash risk, improve protection coordination and support safer electrical work.

Saturn Pyro provides comprehensive Electrical Arc Flash Hazard Analysis and ETAP Power System Study Services for industrial, commercial, infrastructure and critical facilities.

By creating a digital model of the facility’s electrical network in ETAP, we can assess load flow, short-circuit levels, protection coordination and arc flash incident energy. This allows your team to understand the real electrical risk and make informed safety and engineering decisions.

Safer electrical work starts with proper modelling, correct fault calculations, coordinated protection and clear arc flash warning labels.

What Saturn Pyro Offers

Our ETAP-based power system and arc flash study services provide the engineering foundation needed to understand electrical system behaviour, validate protection settings and improve workplace safety.

  • Site assessment and electrical system data collection
  • Review and update of existing Single Line Diagrams
  • Development of ETAP power system model
  • Load flow study
  • Short-circuit analysis
  • Protection coordination study
  • Arc flash hazard analysis
  • Incident energy calculation
  • Arc flash boundary identification
  • Arc flash warning label generation
  • PPE category recommendation
  • Electrical safety awareness and training support
ETAP Power System Study and Arc Flash Assessment

Study Approach

Our approach is structured, practical and engineering-driven. We combine site data collection, electrical system modelling, calculation, review and clear reporting.

1

Assess

Review drawings, equipment data, protection settings and site conditions.

2

Model

Develop the ETAP digital model of the electrical distribution system.

3

Analyse

Run load flow, short-circuit, coordination and arc flash calculations.

4

Review

Identify risk levels, protection gaps and practical improvement actions.

5

Deliver

Provide reports, labels, findings, recommendations and safety outputs.

1. Site Assessment and Data Collection

We begin with a detailed review of the existing electrical installation, available Single Line Diagrams, equipment information, protection settings and site conditions.

The site assessment is generally non-intrusive and does not normally require shutdown, subject to site access, panel condition and safety requirements.

  • Transformers
  • Switchboards
  • Circuit breakers
  • Protection relays
  • Cables and feeders
  • Connected loads
  • Earthing and system configuration
  • Equipment ratings and settings

2. ETAP Power System Modelling

The collected information is entered into ETAP to create a digital model of the facility’s electrical system. This model allows Saturn Pyro to simulate both normal and fault conditions.

  • Normal operating conditions
  • Fault conditions
  • Load flow behaviour
  • Short-circuit levels
  • Protection device operation
  • Relay and breaker coordination
  • Arc flash incident energy levels
  • Equipment loading and rating concerns
Upon completion, the latest electrical Single Line Diagram can be updated to reflect the actual site condition.

3. Protection Coordination and Short-Circuit Study

Accurate arc flash analysis depends on proper short-circuit calculation and protection device behaviour. Saturn Pyro evaluates existing protection settings and identifies opportunities to improve coordination, reduce risk and optimise tripping performance where practical.

Short-Circuit Levels

Calculate available fault currents and verify whether equipment ratings are suitable for the expected fault duty.

Protection Settings

Review relay and breaker settings to understand device operation during fault conditions.

Discrimination Review

Improve selectivity so faults are isolated closer to the source of the fault, reducing unnecessary outages.

4. Arc Flash Hazard Analysis

Arc flash is caused by an electrical fault that releases high levels of energy. It can result in serious injury, equipment damage, fire and operational disruption.

The arc flash study calculates incident energy at key electrical locations and determines the safety information required for electrical work.

  • Arc flash risk level
  • Arc flash boundary
  • Working distance
  • Required PPE level
  • Shock approach boundaries
  • Hazard warning label details
  • Recommended safety precautions
  • High-risk equipment locations
Arc Flash Hazard Analysis

Deliverables

Saturn Pyro provides a complete set of engineering deliverables for review, implementation and safety reference.

SLD

Updated Electrical Documentation

Updated Single Line Diagram and ETAP power system model based on available site data.

CALC

Study Reports

Load flow, short-circuit, protection coordination and arc flash hazard assessment reports.

SAFE

Safety Outputs

Incident energy summary, arc flash boundary, PPE recommendation and arc flash warning labels.

RISK

Findings and Concerns

Clear identification of protection gaps, equipment concerns and high-risk electrical locations.

ACT

Corrective Actions

Practical recommendations for improving safety, protection coordination and system reliability.

TEAM

Team Awareness

Support for electrical safety awareness and understanding of arc flash label information.

Arc Flash Warning Labels

Arc flash labels provide clear safety information for personnel working near electrical equipment. These labels help workers understand the hazard level before carrying out electrical work.

  • Equipment identification
  • Nominal voltage
  • Incident energy level
  • Working distance
  • Arc flash boundary
  • Required PPE level
  • Limited approach boundary
  • Restricted approach boundary
  • Shock hazard warning
  • Safety instructions

Client Support Required

To complete the study effectively, the client normally provides available documents, access and site support during the data collection stage.

Documents

Latest available Single Line Diagram, equipment details, breaker settings, relay settings and cable information.

Site Access

Access to electrical rooms and panels, with escort or site representative during data collection.

Operating Information

Connected load information, normal operating conditions, historical trips, faults or safety incidents where available.

Why Arc Flash Assessment Is Important

Arc flash risk exists in almost every electrical installation. While the risk cannot be completely eliminated, it can be reduced through proper assessment, labelling, protection review, safe work practices, training and suitable PPE.

  • Improve electrical workplace safety
  • Identify high-risk electrical locations
  • Define safe working distances
  • Select suitable PPE
  • Improve protection coordination
  • Reduce injury and equipment damage risk
  • Support recognised safety practices
  • Provide clear warning labels for workers

Relevant Standards and References

Arc flash hazard assessment and electrical safety practices are commonly guided by recognised standards and references such as:

NFPA 70E

Electrical Safety in the Workplace.

IEEE 1584

Guide for Performing Arc Flash Hazard Calculations.

OSHA 1910.335

Safeguards for personnel protection.

Local electrical safety requirements, site procedures and workplace safety rules should also be considered when applying study recommendations.

Structured Electrical Safety Through Engineering Analysis

Saturn Pyro’s ETAP-based Arc Flash Hazard Analysis provides a structured, engineering-driven approach to electrical safety.

By combining site assessment, power system modelling, short-circuit analysis, protection coordination, arc flash calculation, labelling, PPE guidance and training support, we help facilities reduce risk, improve safety awareness and maintain a safer electrical working environment.

Arc Flash Hazard Analysis ETAP Power System Studies Electrical Safety Support

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Saturn Pyro Sdn Bhd
Saturn Pyro Sdn Bhd Energy Meters Supplier Johor Bahru (JB), Energy Management Malaysia, Selangor, Power Quality Analyzers Supply Kuala Lumpur (KL), Penang ~ Saturn Pyro Sdn Bhd