ARC Flash & Relay Coordination Study
Predict. Protect. Prevent.
At Greenventum, we deliver advanced Arc Flash Hazard Analysis and Relay Coordination Studies that form the backbone of electrical safety and protection system performance in modern facilities. Our services are designed to ensure personnel safety, system reliability, and full compliance with IEEE 1584, NFPA 70E, IS/IEC 60909, and IS 3043 standards.
We help industrial plants, data centers, commercial buildings, and substations identify electrical protection gaps, optimize tripping sequences, and reduce incident energy levels to protect life and equipment.
Arc Flash Hazard Analysis
Identify Risk. Reduce Exposure. Enhance Safety.
An arc flash event can result in catastrophic injuries, equipment damage, and operational downtime. Our comprehensive arc flash study includes:
- System Modeling & Short Circuit Analysis (per IEEE/IEC guidelines)
- Arc Flash Incident Energy Calculations at various busbars and panels
- Arc Flash Boundary & PPE Category Determination
- Arc Flash Labelling as per NFPA 70E and IEEE 1584-2018 updates
- Risk Mitigation Recommendations (system design changes, relay settings, etc.)
Our reports provide clear insights into risk areas and include thermal incident energy plots, fault current levels, boundary distances, and appropriate PPE ratings, all backed by simulation tools like ETAP®, SKM®, or PowerFactory®.
Relay Coordination Study
Precision Protection. Minimum Downtime.
Inadequately coordinated protection devices can lead to nuisance tripping, prolonged outages, or equipment damage. Our relay coordination services ensure:
- Selective Tripping Scheme Design for upstream and downstream protection
- Coordination Time Interval (CTI) Optimization between circuit breakers, relays, and fuses
- TCC Curve Generation (Time-Current Characteristic) for detailed fault discrimination
- Protection Setting Validation for Overcurrent, Earth Fault, and Differential Relays
- Integration Check with SCADA/BMS for alarm/event logic verification
Key Benefits
- Improved Safety: Reduced risk of injury due to minimized arc flash energy exposure
- Reliable System Performance: Faster fault clearance with minimal service disruption
- Regulatory Compliance: Adherence to OSHA, NFPA 70E, IS/IEC, and factory norms
- Maintenance Optimization: Informed shutdown planning and safe work practices
- Root-Cause Protection Diagnostics: Elimination of overlapping or delayed trip scenarios
Deliverables
- Detailed Arc Flash Hazard Report with bus-wise energy values and PPE matrix
- Single Line Diagrams (SLDs) annotated with incident energy and protection zones
- Relay Settings Report with CT ratios, pickup/trip levels, and coordination timings
- TCC Graphs and discrimination studies for LV/MV switchboards
- Equipment-wise Labelling & Safety Recommendations
Sectors Served
- Power Plants & Substations
- Oil & Gas Facilities
- Data Centres & Server Rooms
- Commercial & Industrial Complexes
- Hospitals & Pharma Plants
- Manufacturing & Processing Units
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