GENERAL |
The Harmonic Analysis module features both single-phase and full three-phase modeling capabilities, with the flexibility to make the program easily adaptable to utility-type grids, industrial power systems and distribution feeders of any configuration. It utilizes state-of-the-art sparse matrix/vector methods with a three-phase nodal admittance network matrix representation. The module uses Eaton's CYME robust load flow algorithm to obtain the fundamental frequency current and voltage system profile for harmonic distortion calculations and waveform display. |
IMPEDANCE SCAN |
The frequency scan capability included in this module is also available as an independent module. This analysis provides full impedance scan results and allows the user to see problematic areas even before installing harmonic devices. |
ANALYTICAL CAPABILITIES |
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CAPACITOR STRESS AND FILTER SIZING |
The Harmonic Analysis module features stress analysis of capacitors, including those incorporated in filters, to help engineers determine whether the capacitors are rated properly according to user-defined or IEEE standard limits. Likewise, fundamental resistor losses, fundamental and harmonic current through the reactance, and fundamental and harmonic voltage through the capacitor of filters are calculated to help engineers determine if the filters are sized properly. |
TRANSFORMER K-FACTOR CALCULATION |
The Harmonic Analysis module also offers the Transformer K-Factor (ANSI/IEC) and Factor-K (BS) calculation for the assessment of transformer rating with respect to the harmonic level of the system. |
EQUIPMENT LIBRARY |
Users can model multiple types of harmonic sources to assess the effectiveness of filters and modify them at will in order to attain acceptable level of harmonic distortion indices on your network. Our extensive library includes equipment such as:
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