Specialized Power System Consulting

When the problem is difficult, that's where we start

GridFlow Dynamics provides expert consulting for complex electromagnetic transient analysis, advanced stability studies, and custom tool development — the specialized work that standard approaches can't solve.

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About

Deep expertise for an
increasingly complex grid

The rapid integration of inverter-based resources, HVDC interconnections, and large-load facilities like data centers is introducing electromagnetic dynamics that push beyond the capabilities of conventional analysis tools and workflows.

GridFlow Dynamics focuses exclusively on the specialized, technically demanding problems that arise in these environments — subsynchronous interactions, multi-converter control conflicts, weak-grid integration challenges, and the detailed EMT modeling required to understand them.

Founded by a senior power systems engineer with over 20 years of experience in electromagnetic transient simulation and transmission planning, GridFlow Dynamics serves utilities, system operators, developers, and engineering firms who need answers that standard studies can't provide.

EMT-First Approach

Detailed electromagnetic transient simulation for problems where RMS tools fall short

IBR & HVDC Specialists

Focused on the converter-dominated systems that define the modern grid

Custom Tool Development

Bespoke automation and analysis tools for PSCAD, PSS/E, and large-scale study programs

Training & Advisory

Knowledge transfer and independent technical review for engineering teams

Services

Specialized capabilities

We focus on technically demanding power system challenges — the problems that require deep domain expertise and detailed electromagnetic transient analysis.

01

Specialized Power System Studies

  • SSR and SSCI screening, detailed EMT analysis, and mitigation design
  • Multi-converter and multi-IBR control interaction studies
  • Weak grid integration — SCR/WSCR analysis, grid-forming vs. grid-following assessment
  • HVDC system studies — control tuning, commutation failure, multi-infeed interactions
  • FACTS performance in complex or stressed network conditions
  • Data center and large-load interconnection requiring EMT-level analysis
  • Frequency stability under high IBR penetration
02

EMT Modeling & Simulation

  • Detailed, validated EMT models for HVDC, FACTS, IBR, and custom equipment in PSCAD
  • Large-scale EMT network model development, reduction, and benchmarking
  • EMT-to-RMS validation and cross-platform benchmarking
  • Vendor black-box model integration, diagnostics, and troubleshooting
  • Dynamic equivalencing and boundary representation for hybrid simulation
03

Stability Analysis

  • Time-domain and small-signal stability in RMS and EMT environments
  • Impedance-based stability analysis — frequency scanning, Nyquist assessment, passivity verification
  • Control interaction screening across multiple converter technologies and vendors
04

Custom Software & Tool Development

  • Custom PSS/E user-defined dynamic models for non-standard equipment
  • PSCAD automation — batch simulation, parametric sweeps, post-processing
  • PSS/E automation — scripted workflows, contingency analysis, result extraction
  • Specialized analysis tools — SSR screening, harmonic impedance scanning, stability margin tracking
  • Custom visualization tools for large-scale simulation campaigns
05

Training & Knowledge Transfer

  • SSR/SSCI — theory, analysis methods, mitigation, and real-world case studies
  • Advanced PSCAD modeling — converter modeling, initialization, numerical stability
  • IBR integration challenges — weak grid behavior, control interactions, EMT vs. RMS trade-offs
  • Custom programs for client engineering teams with hands-on exercises
06

Independent Technical Review & Advisory

  • Due diligence review of vendor-supplied EMT models and OEM study reports
  • Third-party consultant work quality review
  • Technical advisory for utilities, ISOs, and developers navigating complex interconnection challenges

Contact

Have a challenging problem?
Let's talk.

Whether you're dealing with unexplained oscillations, vendor models that won't behave, or a study that needs EMT-level fidelity — we'd welcome the conversation.

info@gridflowdynamics.com