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Pros and Cons of a Traditional Isolation Transformer

A marine isolation transformer is a versatile device that can be used to provide galvanic isolation from shore power systems, to enhance electrical safety and eliminate corrosion caused by stray currents. Some isolation transformers can also be used for raising the shore voltage to deal with voltage drop. Another common use is to adapt the vessel’s internal power system voltage to a higher or lower shore power supply. If isolation transformers are so useful why is every boat not equipped with one?

Voltage Drop in Primary Distribution

Most marine electrical systems will have a DC (direct current) system as part of their electrical design, and for most boats it may form the largest and most intrinsic part of the electrical system. With lower voltage electrical systems, those below 50V, it is of paramount importance that particular attention is paid to distribution of the power and maintaining voltage drop to a minimum.

Sizing Converters

Having a 24 VDC electrical system aboard a boat has it benefits, such as smaller wire size due the lessen effect of voltage drop. Unfortunately not all loads come in 24 VDC and you will inevitably run into the need to...

Quick Tips To Ensure Your Boat's Batteries Are Healthy and Ready for the Summer

Summer is coming and the marinas are coming to life again. Many of our boats have sat through winter without being turned on, and some of you are finding that all is well, while some are finding that things aren't quite the way you left them. I want to talk about battery conditions and what should be checked and/or monitored all year round.

Charging More Than One Battery Bank: The PYS Recommendation

Today, many recreational and leisure boats have more than one battery bank and proper charging systems can get fairly complicated. There is no one solution for every boater. It not only depends on the style of boat, but also on how the boat owner uses his or her boat.

Doing things the wrong way: equalizers and converters

There are many advantages to having a 24 volt system on your boat when adding high load DC powered devices like windlasses and bow thrusters. However, there are a few drawbacks to 24 volt battery systems - one of these drawbacks being that a lot of devices can only run on 12 volts.

Solar panels: series vs. parallel

Solar panels are becoming quite popular on boats nowadays, notably on sail boats. However, one question appears to be unanswered and keeps surfacing on forums. Should panels be connected in series or in parallel?

Crimping connectors: the common mistakes

When wiring devices on our boat, one of the tasks we perform frequently is crimping small sized wires - between 24 and 10 AWG. Crimping connectors can be used to join two wires or connect a wire to a screw terminal strip.

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