NFPA 70E Section 130.4 requires that a shock risk assessment be performed before beginning energized work, and NFPA 70E Section 130.5 requires that an arc flash risk study and assessment be performed to:
- Determine whether an arc flash hazard exists
- If a hazard exists, determine:
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- The appropriate safety-related work practices
- The arc flash boundary
- The correct PPE to be worn
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NERC stands for North American Electric Reliability Corporation. Every entity must register with NERC through its regional entity. Grids are becoming more complex. New technologies are expanding. As such, NERC is aggressively enforcing existing and introducing new requirements. They are also adjusting the frequency of compliance reporting. By federal law, NERC is authorized to monitor and assess company compliance status. They can also issue sanctions and/or fines for non-compliance.
NERC Compliance standards MOD-025-2, MOD-026-1, and MOD-027-1 provide an accurate representation of the steady-state and dynamic response of generating units for power systems simulations. It is a challenging task. And Elliot Engineering will assist you through the whole process.
Elliot Engineering provides unparalleled testing and commissioning services that promote long-term, efficient operation of electrical power equipment. No matter your power system size or age, proper equipment maintenance is essential to maximize power system reliability.
Proper maintenance isn’t just testing; power system owners need a good inspection, maintenance, testing, and periodic equipment rating evaluation for a true comprehensive maintenance program.
Elliot Engineering’s knowledge base of electric power systems analysis, design, construction, and operation enables us to provide you with the development and implementation of a comprehensive maintenance program that meets NFPA 70E requirements to suit your needs both today and tomorrow.
Relay testing services include: Electromechanical & Solid State, Microprocessor, End To End Testing, Fault Simulations, Protection System Evaluation, IEC 61850 Compliant Testing, NERC Compliance Testing.
Proper maintenance isn’t just testing; power system owners need a good inspection, maintenance, testing, and periodic equipment rating evaluation for a true comprehensive maintenance program.
Elliot Engineering’s knowledge base of electric power systems analysis, design, construction, and operation enables us to provide you with the development and implementation of a comprehensive maintenance program that meets NFPA 70E requirements to suit your needs both today and tomorrow.
Power system analysis engineering software is an excellent tool for studying power systems but should not be used as a substitute for knowledge and experience. Elliot Engineering utilizes many commercially available software packages and backs those tools with some of the most experienced individuals in the industry, across several applications. We would appreciate an opportunity to demonstrate our analysis proficiencies with your next project.
Steps include: Data Collection, Power System Modeling, Short Circuit Study, Protective Device Coordination, Arc Flash Calculations, Reporting, and lastly, Label Installation.
An arc flash occurs when an electric current passes through the air instead of along its intended path. The result is extremely high heat that can cause severe burns, blinding light, and an explosion that can result in hearing damage and potentially fatal injury.
An arc flash is a sudden electrical discharge that happens when current leaves its normal circuit path and moves through the air between conductors or to ground. This release of energy can produce intense heat, pressure, light, and sound, creating serious risks for anyone nearby.
Yes. OSHA requires employers to maintain a safe workplace and protect employees from recognized electrical hazards. In practice, this means workplaces must follow electrical safety standards such as NFPA 70E, which requires arc flash risk assessments before energized electrical work is performed.
Failing to properly assess arc flash hazards can result in OSHA penalties, increased liability, serious injuries, and unsafe working conditions.
Arc flash testing should be conducted, every five years, in accordance with NFPA 70E recommendations, after major electrical system modifications, following an incident or near-miss event.
Testing checks individual components, such as breakers, relays, and transformers, to make sure they perform correctly. Commissioning takes it a step further by confirming the entire substation operates safely and reliably as a system. This will include checking all the control wiring and instrument transformers to ensure 100% accuracy.
Relays are your first line of defense against faults. Testing ensures they trip when they should, preventing damage to equipment and avoiding costly outages. Testing also verifies the coordination of protection systems to make sure any fault is isolated.
It depends on the complexity and size of the substation. Smaller systems can be commissioned in days, while large transmission projects may take weeks. Our team works to minimize downtime while ensuring compliance and reliability.
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