Harmonic Load Flow Software

With ESMOgrid Harmonic Analysis module, you can simulate harmonic current and voltage sources, identify harmonic problems, reduce nuisance trips, design and test filters, and report harmonic voltage and current distortion limit violations. Comprehensive load flow and frequency scan calculations are performed using detailed harmonic source models and power system component frequency models. Results are shown graphically, including harmonic order, harmonic spectrum plots, and harmonic waveform plots, as well as Reports.

Load Flow Analysis software

With ESMOgrid Load Flow tool, you can create and validate your system model and obtain accurate and reliable results. The features like automatic device evaluation, summary alarms / warnings, result analyzer, and intelligent graphics make efficient Load Flow analysis. ESMOgrid calculates bus voltages, branch currents, and active, reactive power flows throughout the electrical system. ESMOgrid allows for swing, voltage regulated, and unregulated power sources with multiple power grids and generator connections. It is capable of performing analysis on both radial and loop systems.

Short Circuit Software

  • 1-pole / 2-pole short circuit device duty for single-phase panel / UPS systems
  • Unbalanced L-G, L-L, & L-L-G fault current analysis
  • Short circuit study calculations based on IEC 60909, 60282, 60781 & 60947
  • Transient short circuit calculations using IEC 61363
  • Compares protective device ratings with calculated short circuit values
  • User-definable voltage C factor
  • Service or ultimate short circuit current ratings for LVCB breaking capability
  • User-definable R/X adjustment methods for Ip (method A, B, or C)
  • Phase-shifting transformers
  • Negative or positive impedance adjustments for max/min I”k & Ik
  • Automatic application of K correction factors (i.e., KT, KG, KSO)
  • Automatically determines meshed & non-meshed networks for calculating Ib, Ik, & Idc
  • Ib for meshed network is adjusted by individual machine contributions for improved accuracy
  • Considers both near & far short circuit current from generators
  • Generates relay test set compatible plots for transient short circuits
  • Detailed IEC device duty reports & complete contributions for unbalanced faults
  • Integrates with protective device coordination
  • Load terminal short circuit calculation