of 7400 the power controller module 7330 receives instrumentation power and communications on 7910 and is capable of operating in the absence of dc or ac power to the power pack the module 7330 controls the incoming and outgoing relays the power packs can be used in multiple arrangements with parallel input power from 0015 and parallel output power to 6970 to extend operating times of the recharge pump 6000 fig3 illustrates an assembly view of the regenerator the regenerator 8000 utilizes the flow of seawater through impeller inlet and outlets 8014 to the screen in order to parasitically drive a flywheel alternator 8010 for generation of electrical power in use of recharging the power pack 7000 the flow rate through the regenerator 8000 is approximately 600 gpm for a period of 2 minutes generating significant power from a small pressure drop across the regenerator 8000 electrical power is made available through connection 8012 and the regenerator 8000 is connected to the external underwater control system via connector 8013 fig3 illustrates an exploded view of the regenerator 8000 the regenerator 8000 is comprised of an impeller housing 8005 with inlet and outlet ports 8014 an impeller transmission housing 8006 a flywheel alternator housing 8007 and a power converter controller housing 8009 the impeller housing 8005 contains an impeller and magnetic coupling to eliminate mechanical losses the pressure seals across the pressure bulkhead of the impeller transmission housing 8006 the impeller transmission housing 8006 contains a step up transmission to multiply impeller speed an overrunning clutch and a flywheel alternator to generate three phase ac voltage the power.