Governing and system controls, namely, electronic control systems comprising of an electronic speed controller and actuator equipment for control of industrial engines for use in power generation; monitoring and protection devices for overspeed protection, namely, devices for use in electrical control systems in order to limit the maximum speed of industrial engines; interface modules between governor systems and accessories, namely, analog and digital signal conversion modules; analog and digital electronic governing controls, namely, for speed regulation of compression or spark-ignited engines, generator set control and monitoring units, namely, for engine and generator data protection and user control interface, all for use in electrical control systems for power generation equipment; speed sensing devices, namely, magnetic and variable reluctance type speed sensors for determining engine speed based on frequency of flywheel rotation for use in electrical control systems; electric relays and electrical annunciators for use in electrical control systems; load sharing modules and synchronizers, namely, analog and digital controllers for paralleling or synchronizing generators; automatic voltage regulators for AC voltage regulation on generator sets; installation kits comprised primarily of electrical components in the nature of electric contactors and voltage testers used to install the above mentioned governing system to the industrial engine