TSi white papers are backed by a wealth of knowledge gained from TSi’s years of experience in labs—as well as in the field in many countries throughout the world.

Why Power Supplies and Semiconductors Fail

By: Peter Nystrom

During the discussion of why power supplies and semiconductors fail, this paper explains the causes and results of power disturbances, along with some problems with current solutions.

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Coordination of Telecommunications Surge Protected Devices in Countries with Unstable AC Power

By: Peter Nystrom

During the discussion of why power supplies and semiconductors fail, this paper explains the causes and results of power disturbances, along with some problems with current solutions.

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IEC 61312 Surge Protective Device Coordination and Four Coordination Variants

By: Peter Nystrom

This paper explains the purpose and concept of surge protective device (SPD) coordination in accordance with the IEC 61312 standard to reduce the effect that lightening surges has on vulnerable equipment.

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Designing for Surge Immunity in International Markets that Face Hostile Environments

By: Peter Nystrom

Many parts of the world – besides North America and parts of Western Europe – have hostile electrical environments. Systems integrators in telecommunications and other industries that export to these markets need to design equipment that will operate in those environments. This paper discusses factors that may necessitate enhanced surge immunity

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Protection of Telecom Sites in Countries with Unstable AC Mains

By: Peter Nystrom

How to effectively deal with mains voltages that fluctuate beyond the IEC assumed standard of a 184 to 264 V input range, which is seen in developing countries

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UPS Ratings – Not so Apparent

By: Peter Nystrom and Jason Marckx

This paper discusses how to select the right UPS for your application and why UPS products shouldn’t be rated in VA.

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A Comparison of AC Voltage Regulation Technologies

By: Peter Nystrom

This paper discusses what users need to know before deciding on what type of AC voltage regulator to purchase, highlighting the advantages and drawbacks of four different technologies.

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Outdoor Power System Design and Cost Considerations

By: David Nystrom

Learn about outdoor power system applications, the advantages and drawbacks of standalone outdoor power systems and the challenges of cost-effective outdoor power system design for the varying conditions around the world.

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