Control Strategies; Real Time Simulations; Synchronous Generator; Variable Speed Wind Turbine Electric generators; Magnets; Permanent magnets; Power converters; State space methods; Stochastic control systems; Stochastic models; Stochastic systems; Transients; Vector control (Electric machinery); Wind turbines; Back-to-back converter; Control strategies; Dq reference frame; Permanent magnet synchronous generator; Permanent magnet synchronous machines; Real time simulations; State space representation; Variable speed wind turbines; Synchronous generators