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Power System Study

Why Choose ACE for System Studies

  • Licensed Professional Engineers (PE) with deep utility and commercial expertise

  • NETA-aligned data collection and reporting procedures

  • OSHA-compliant, safety-driven practices

  • Deliverables include full reports, one-line diagrams, time-current curves, and labeling kits
     

Whether you are upgrading a facility, ensuring compliance, or improving reliability, ACE delivers power system studies that enhance safety, reduce risk, and keep your operations running.

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Power System Studies & Electrical Safety Analysis

We provide detailed power system studies that are essential for the safe, efficient, and code-compliant operation of electrical distribution systems. Our licensed engineers and trained field technicians deliver actionable insights through advanced modeling and on-site data collection, helping facility owners, contractors, and engineers make informed decisions to protect both personnel and equipment.

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Short Circuit Study

A Short Circuit Study identifies the maximum fault currents that can occur in your electrical system and evaluates whether the installed equipment—such as circuit breakers, fuses, and switchgear—has the appropriate interrupting ratings.

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  • Ensures electrical devices can safely isolate faults without failure

  • Prevents catastrophic equipment damage and injury due to overcurrent events

  • Provides essential data for selecting and setting protective devices

  • Helps meet NEC, IEEE, and utility company requirements
     

An underrated or mismatched breaker can become a serious hazard during a fault. Our studies eliminate guesswork and provide confidence in system protection.

Protective Device Coordination Study

A Coordination Study ensures that only the protective device closest to a faulted area operates, leaving the rest of the system unaffected.
 

  • Reduces unnecessary power outages and improves system uptime

  • Ensures smooth motor starting and transformer energization without nuisance tripping

  • Prevents cascading outages by sequencing protective device operations logically

  • Required for systems with emergency or life safety loads to ensure selective coordination (NEC 700.28)
     

We analyze time-current curves and use software modeling to sequence the operation of circuit breakers and fuses across your system, optimizing safety and performance.

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Arc Flash Hazard Analysis

Performed in compliance with NFPA 70E and IEEE 1584, our Arc Flash Studies calculate the incident energy levels at each piece of electrical equipment and generate compliant labels with critical safety data.
 

  • Identifies potential arc flash boundaries and PPE requirements

  • Supports a fully documented electrical safety program as required by OSHA

  • Provides custom arc flash labels for electrical panels, switchboards, MCCs, and more

  • Helps protect maintenance personnel from severe injury and facilities from legal exposure
     

All equipment labeling includes voltage level, incident energy in cal/cm², PPE category, and approach boundaries, clearly guiding qualified personnel during maintenance.

Data Collection & Reporting

Our studies begin with an on-site assessment by trained technicians who gather real-time data from your electrical infrastructure, including:
 

  • Equipment nameplate information

  • Cable lengths and conductor types

  • Utility and transformer specs

  • Protective device models and settings
     

Our engineers then build detailed system models using industry-standard software such as SKM PowerTools or ETAP to simulate system behavior under normal and faulted conditions.

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