Studer MDCI B12 100 DC/DC Converter

Studer MDCI B12 100 DC/DC Converter


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8A 100W

The MDCI type DC/DC converters are used, depending on the model, either to step up or to step down a DC voltage.

The MDCI range converters are galvanically isolated.

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DC/DC Converters can be used (depending on model) for three distinct purposes:

1.  To provide a supply of power for a device which uses a different voltage from the service voltage available on the vessel.

2.  Convert a service voltage into a different voltage to facilitate battery-to-battery charging. This option can be accomplished in a simple way using any DC/DC converter with an output voltage that is slightly higher than the resting voltage of the battery. So, to charge a 12V battery from a 24V battery bank, the DC/DC converter should have an output higher than 12.8V. There are also specific models for charging 24V bowthruster batteries from a 12V supply using a modern 3-stage battery charging regime.

3.  To stabilise power. When devices such as electric winches, bowthrusters or even powerful inverters are connected to the service batteries, they may cause a dip in voltage when used. This might affect navigation instruments, causing them to switch off and then back on again. This would be disruptive and may cause stored information to be lost. In this case a DC/DC converter which has the same nominal input voltage as its output voltage will act as a stabilised power supply. The input voltage may drop but the output voltage will remain at the exact voltage defined by the model eg 13.2V. The current drawn from the input will rise to compensate for the drop in that voltage, ensuring the output power remains stable.



Input Voltage (VDC) - A/B/C/D

Output Voltage (VDC) - 12.5/24.0

Output Current (A) - 8

Rated Power (W) - 100