Initially the transistor used were called MOSFET

A dual transistor which is off-line forward converter is also referred to as the switch board topology. All the more they are few inverter plasma cutters which are more powerful and lighter, specifically those which are without power factor correction, cannot being run from a generator. (Which means it is only valid for light and small portable generators and the manufacturer of the inverter unit quit doing so.). But the newer models has help internal security that helps to allow units without any correction in power facto to run only with light power generators. Plasma gouging is a process almost same of the latter .plasma gouging is a process related performed typically on the same equipment as plasma cutting. Plasma cutting uses a different torch configuration instead of cutting the materials (gas diffusers and torch nozzles usually differs) on the work piece there is longer torch distance to the metal to be blown away. Plasma gouging in various other application removing a weld work could be added in it .while doing this process there are additional sparks which is generated has to be avoided by the operator to damage them by using a leather sheath or heavy insulation. Plasma cutting with tilted head .CNC machinery also makes use of plasma cutters. CNC cutting tables are built by the manufactures .some with the in built cutters in the table. CNC table s main motto is to allow the computer to make clean sharp cuts by controlling the torch head by CNC plasma. Equipments capable of cutting materials through multi axis cutting are the modern CNC plasma equipments .complex welding seams to have many opportunities on CNC allowed which is not allowed otherwise for thinner materials cutting .laser cutting is now increasingly replacing the plasma cutters because laser cutters comparative to plasma cutters have better and superior whole cutting abilities. In HVAC industries CNC plasma cutters is used in a specialized way. For making a flat pattern which is used for cutting process by plasma torch which helps for process information on ductwork. This technology created an enormously increase in productivity, since it was introduced in the industries in the early eighty's. In CNC plasma cutting machines everyday is some introduction. Recently there have been more development in CNC plasma cutting machines. The machines and the cutting table were horizontal traditionally but now after lots of research and newer development vertical CNC plasma cutters are easily available. Faster operation, small footprint, optimum safety, and increased in flexibility are the advancement provided in the latest machine.