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2020: Fault-Tolerant Design Series, Part THREE

Hybrid Power Architectures using Mixed Sources for Fault-Tolerant Applications Many utility installations already contain Energy Storage Systems (ESS) for maintaining continuous operation during times when a grid supply is not available to the location. For our hybrid systems discussion, consider the ESS being a 130v direct-current (dc) source. A converter power system is used to transform dc at 130V to 48V dc in the shelf system and support the individual protection circuits. The rectifier p...


June 01, 2020 | Design Ideas, | read more...

2020: Fault-Tolerant Design Series, Part TWO

Dual Power Systems in a Diversity Array for Fault-Tolerant Applications As the power shelf systems are paired to provide an additional fault-tolerant level of dc power support, additional diversity is realized. In this array, there are two power shelf systems each with multiple protective devices linked to load apparatus. Dual power arrays will double the control and telemetry from an installation, as both systems contain communication ports. Each system will operate independently to tr...


April 15, 2020 | Design Ideas, | read more...

2020: Fault-Tolerant Design Series, Part ONE

Single Power System for Fault-Tolerant Applications The simple configuration employs a power shelf and two or more circuit protection devices, for example fuses or circuit breakers. A single power shelf system can support many A/B loads when the current requirements are low and the adequate protection devices are installed. Alternating-current (ac) diversity is managed through individual power module cord connections. Consideration given to each source of the “mains” connection can i...


February 14, 2020 | Design Ideas, | read more...

2020: A New Year Blog and Fault-Tolerant Series

What do you see or think about when viewing 2020? Will it just indicate the year for the next 360+ days*? Maybe we are thinking about the 2020 hindsight concept or reflection of doing something, anything better the next time. Perhaps we recall a memory of vision checks when one targets the “20 line” of an eye chart, striving for laser like focus. 2020 or 202 For Me - The 2020 Series of Insight Posts will encompass design discussions using power conversion equipment in 20 squared deploym...


January 04, 2020 | Design Ideas, | read more...