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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...

Majorsine Chosen to Power Private Ethernet Network

A major U.S. university recently began a project to expand its internal private network throughout its campus. A Majorpower Power Specialist was brought in to evaluate and recommend the power equipment needed for this upgrade and backup run-time. The project’s main focus was to install new Ethernet switches at nodes which would feed back to the main campus switch. The Ethernet switches are to be installed in the telecom closets of the various node buildings throughout the campus. At the no...


October 03, 2019 | Product News, | read more...

130 Volt Compact Power for Power & Utility Applications

Two (2) Pole Disconnect Circuit Breaker in Majortel 130 VDC system This 130 volt dc power system is designed with the integrated output circuit-breaker 2-pole interrupt, front access operation. This circuit breaker separates both the positive and negative circuits between the compact power system output connection and rectifier bus.  Due to various 130V Power & Utility Industry applications, the circuit breaker is labeled “load” to indicate any output load in respect to the power system w...


June 05, 2019 | Product News, Technical Info, | read more...

Majortel Temperature Compensation Knowledge Bank

What is the "temp-comp" feature all about in a dc power system? The 2V cells in the big battery stacks require 3mV/cell/t° by manufacturing standards. Therefore, 0.003V per cell change (up/down) by the charging system in response to each degree variation. The calculated voltage factor is programmed into a rectifier/charging system. The factor must be adjusted to match the battery type, size and nominal voltage operation. The most common factors are listed below as examples. By Formula ...


February 01, 2019 | Technical Info, | read more...

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