Hysteresis Loss Calculator - Free Online Tool

Our online calculator simplifies complex magnetic core loss analysis. Hysteresis loss (P_h) is the energy dissipated in a material during each cycle of magnetization, represented by the area enclosed within the B-H hysteresis loop.

To calculate this accurately, you must input key parameters: the maximum applied magnetic flux density (Bmax), the frequency (f) of operation, and the material's coercivity (Hc). The tool uses established electromagnetic principles to model the energy lost per cycle.

Essentially, you are determining how much power is wasted as heat when magnetizing and demagnetizing a core repeatedly. By inputting your operating frequency in Hertz (Hz) and Bmax in Teslas (T), the calculator provides an instant estimate of the total power loss in Watts (W). This precision allows engineers to select optimal magnetic materials for efficiency.

To get the most reliable estimate from this tool, treat your inputs as if they are measured under ideal conditions. The accuracy of your result is directly proportional to the quality of your input data.

• Use Rated Values: Input the maximum continuous operating flux density (Bmax) provided by the manufacturer, not theoretical limits.
• If possible, use a material that has been tested and rated for your specific frequency and temperature range.

When comparing materials, do not just look at the absolute loss value (Watts). Instead, calculate the Specific Loss (Loss per unit volume, W/m³) by dividing the calculated power loss by the core volume (V). This normalized metric allows for apples-to-apples comparisons regardless of physical size.