Protection & ControlĀ App

Run protection studies, calculate relay settings, and visualize coordination using our interactive webĀ app.

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Interactive App for Protection Engineers

WebĀ app designed to support protection studies, relay settings analysis, and coordination visualization.

Time-Current Curve (TCC) Plotter

Plot IEEE, IEC, and SEL curves. Evaluate coordination margins and export protection settings graphics for reports.

Distance Protection Mho Plotter

Visualize mho distance protection zones. Adjust reach and angle to analyze line protection performance.

Symmetrical Components Calculator

Convert phase and sequence quantities. Analyze fault phasors and balanced or unbalanced system conditions.

COMTRADE Fault Event File Viewer

Open and analyze COMTRADE files. Review relay operations and waveform data.

NERC PRC-024 Compliance Analyzer

Validate voltage and frequency relay settings against PRC-024 ride-through compliance requirements.

87T Transformer Differential Plotter

Plot dual-slope differential settings. Evaluate pickup, restraint, and transformer fault stability.

CT Saturation Calculator (IEEE C37.110)

Simulate current transformer saturation. Evaluate waveform distortion and error.

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Pricing

Choose one of the following: monthly all-access or annual all-access. All-access subscriptions include every course, future releases, and access to the Romero Engineering Co. web app. All options are backed by a 30-day, 100% money-back guarantee.

Annual All-Access Subscription

$49/mo

Billed annually

  • Access to all courses
  • Access to the Romero Engineering Co. web app
  • Instructor support
  • 30-day 100% money-back guarantee
  • Save 50% over the monthly subscription
  • Cancel anytime
Get All-Access

Monthly All-Access Subscription

$99/mo

Billed monthly

  • Access to all courses
  • Access to the Romero Engineering Co. web app
  • Instructor support
  • 30-day 100% money-back guarantee
  • Cancel anytime
Get All-Access