How does Roto-Phase compare with a solid three phase line?
Roto-Phase is a manufactured device that comes closest to a solid three phase line. Compared with an Open Delta three phase system, the Roto-Phase is equal and every bit as good. Against other solid three phase systems the Roto-Phase is merely the best substitute. Never-the-less, solid three phase is often not economically feasible nor readily available. For short seasonal loads or small loads, it is generally impractical. The Roto-Phase cost is often just a fraction of the cost of extending a three phase line, whether a few hundred feet or many miles. Cost of operation on a single phase line is invariably less than on solid three phase. Rate costs are less, with no demand or power factor penalties. In recent years ARCO has seen a number of examples where a user has had solid three phase removed and replaced with a Roto-Phase. Are all rotary phase converters the same? Definitely not! The best example is using our smallest and Light Duty Roto-Phase III. It will not only equal, but in so
