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C-Rate Charge Programming

Battery Circuit Charge Parameter: C-Rate C-Rate factor calculations for charging or discharging the battery. (Reference the application chart.) Battery manufacturers will use different Cxx rates depending on the market or application at which their batteries are targeted. Typical rates used are C8 in UPS, C10 in telecommunication and C20.  The most common C10 factor settings are 10% recharge based on the capacity of the battery as programmed using AHr ratings.  The default setting 0.100C10...


October 12, 2015 | Technical Info, | read more...

Majortel Converter Capacity Making the Grade

Increased Capacity Deciding Factor: The Majortel DC/DC Converter (MTD) family has achieved Top 50 Utility use approvals. Utility Industry User approvals for the converter product continue to grow, since the first market application in 2013.  A utility design engineer said, "that increasing from 20 to 50 amps capacity is just what we need to power each new rack of telemetry equipment.", in a recent approval call. Growth and increased capacity in a smaller package is the new grade of ...


August 17, 2015 | Product News, | read more...

Majortel AC Mains Supplement

The Majortel 2U power system has the capability to accept AC mains input using a single or double power source. Applicable product numbers include: MTS48/50AT-2U, MTS48/75AT-2U, MTS48/100AT-2U If using a single AC main input source to supply power to all four rectifiers, the buss work (shown as B1 and B2 in the referenced illustration) should remain intact. One set of terminals would only be required using L1, L2 and PE (Earthed ground). It is also noted that this power shelf accepts si...


July 06, 2015 | Technical Info, | read more...

Warm Weather Battery Charging

Temperature Compensation When the temperature probe is connected to the Majortel DC rectifier system, the controller will perform voltage control based on air temperature around the probe for effective battery charging. The insulated probe should be installed on or near the battery post for best results and accurate temperature compensation operation.  If the probe is not connected to the power system this battery charger feature will not operate.  Temperature compensation has an invers...


June 09, 2015 | Technical Info, | read more...