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Basler Electric has updated its Time-Current Characteristic Curves spreadsheet tool to include new curves.

The spreadsheet can be used to convert existing time dial settings for old induction disk relays to the nearest equivalent time dial setting for Basler Electric overcurrent relay.

It can be downloaded free of charge from the company’s website.

The spreadsheet also allows users to inspect Basler Electric inverse time overcurrent relay time current curves (TCCs), or develop programmable curve constants.

It is usable for both Basler classic relays and numerical relays.

Basler Electric inverse time overcurrent relays provide TCCs that very closely emulate most of the common EM induction disk relays that were manufactured in North America.

To further improve proper relay coordination, a selection of integrated reset or instantaneous reset characteristics is also provided in most Basler Electric relays.

Additional resources are available on the Basler website.

For basic complex number calculations, sequence component conversions and some other basic calculations associated with electric power systems, the Electric Calculations spreadsheet can be used.

A tutorial on how Fourier analysis calculations are handled is also available.

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