A motor that is driven by compressed gas. Typically air.

A physical object intended to supply electric power according to specified levels and tolerances.

A physical object intended to supply electric power according to specified levels and tolerances.

An electric converter for converting an alternating current into a direct current.

A system that provides voice and telefax communication via satellites.

A thermodynamic turbine in which steam is made to do work by expanding so as to create kinetic energy by acting on moving blades attached to a disc or drum.

A switchgear and controlgear bearing a set of switches for connecting and disconnecting the various circuits of an electrical system, as of a telegraph, telephone, etc.

An expander of the turbine type used to reduce the pressure of a gas flow by leading it through a turbine rotor by which the recovered energy is transferred into rotational energy for either power generation or mechanical drive application.

An ac power supply unit that maintains a continuous supply of electric power to the equipment it protects.

A physical object that consists of an electric motor and controller that is used to adjust the motor's operating speed.

A power transformer of which the magnetic circuit and windings are immersed in oil.