AC generators can be paralleled, having said so it is not easy or cheap, the synchronization is critical. The utilitiy companies constantly have numerous generators in sync. The unloaded unit is brought to speed and the voltage is brought to match and then to a slightly higher freq then the loaded unit, as the unloaded unit syncs to the loaded unit the switch gear is closed to bring it on line, at that time it will start to take on some of the load. In power plants units are brought on line and dropped off to match the load requirements constantly. The governors and synchronizers are expensive, plus all the needed safety gear, back feed relays etc. Lou
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let�s make one more addition to our series on hydraulics. I�ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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