Using Electromagnetic Continuously Variable Transmission in Gas Reciprocating Power Plant to Ensure Dynamic Stability

One of the conditions for the development of modern power engineering in Russia is the active implementation of small distributed generation into the Unified Power System of Russia. Unfortunately, at present, this process is suspended due to system constraints caused, first of all, by the loss of dynamic stability of the implemented generating equipment because of low inertia of rotors of electrical machines. The solution of this problem is considered to be only in fundamental transformation of the principles of small generation. The paper proposes a variant of such transformation, which takes into account the use of electromagnetic continuously variable transmission (CVT) in a gas reciprocating unit (GRU) instead of a connecting coupling. The principle of operation of an electromagnetic CVT involves controlling a generator and a turbine under displacement conditions, thereby making it possible to remove the constraints on dynamic stability and implement small generation with controllable flexible coupling between a turbine and a generator.