http://www.freepatentsonline.com/5175442.html"A six-phase power line configuration reduces the measured intensity of electric and magnetic fields that are associated with transmitting AC electric power. An open-wire configuration is taught that is compatible with transmission on power line right-of-ways, and that can be made by converting existing three-phase dual circuit power lines.
The main difference between 3-phase and 6-phase systems is the number of phases or electrical circuits. A 3-phase system has three phases, while a 6-phase system has six phases.
In a 3-phase system, the voltages and currents are balanced and evenly distributed among the three phases, with a phase difference of 120 degrees. In a 6-phase system, the voltages and currents are also balanced, but with a phase difference of 60 degrees.
A 6-phase system offers increased power capacity and improved efficiency compared to a 3-phase system. It also allows for more stable and balanced power distribution, reducing the risk of power interruptions.
The main disadvantage of a 6-phase system is the higher cost and complexity of installation and maintenance compared to a 3-phase system. It also requires specialized equipment and is not as commonly available as 3-phase power.
6-phase systems are mainly used in high-power applications that require stable and efficient power distribution, such as industrial and commercial facilities, data centers, and large-scale renewable energy systems.