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Insights & Tips Archive


Power Architecture Series: 401.3

PA401.3: Load or Battery @ 125 Volt DC using the MTS130/20AT-1U rectifier power system. Power Architecture Series Cynosure: • DC power supply to single point apparatus, possible distribution sub-panel to individual loads/over-current-protection-devices. Single steady state output voltage. • DC charge supply to a specific battery connection or dc bus with temperature compensation feature active to regulate the output voltage. This pre-configured system can operate in one of two mode...


September 14, 2021 | Design Ideas, | read more...

Project Code Name: OREGON; Power Architecture Series

601.2 Project Code Name: Oregon AC-to-AC; ESS/Batteries Sized per Run Time This power architecture series edition is a combination of configurations 401.2 and 101.1 as previously discussed in this document. The user's project, code name Oregon, is a deployment for 2021 and beyond. A typical control and instrumentation network, with multi-node design, is operating on the foundation of this power solution. One rectifier full-chassis system (401.2) is sized to 50 amp output incorporating feature...


July 16, 2021 | Design Ideas, | read more...

Batteries Not Included; Size To The Application

"Drinking Our Own Kool-Aid"; otherwise a reference to using our power gear. Why NOT! Sure one can size the redundancy and resilience of a critical application using the products in a complete power portfolio. I have often been questioned about using the Majorpower products for a critical application. The answer is easy, "YES WE DO use these products in our operation". When it comes to our critical interconnect points, we want to be connected. Our team performs daily actions required in...


May 06, 2021 | Design Ideas, | read more...

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...