Shore Power System General Location

Shore Power Power comes on to the vessel in the form of 480 Volt, Three Phase, 60 Hz Alternating Current (A/C) 100 amps. The plug on the left is Shore Power in. The plug on the right is Power Out: 480 Volt, Three Phase, 60 Hz, 50 amps.

Shore Power The plug is designed to disconnect safely with a live load on the line. Prevents arcing. This feature enhances the safety of connecting and disconnecting shore power in the event we forget to open the shore power breaker on the dock.

Shore Power Main Switchboard – Shore Power Shore Power drops down from the main deck and into the Main Switchboard. The port side of the Main Switchboard is the Shorepower section. Voltage Meter Amp Meter Hertz Power Phase Indication Source Supplying Buss Indicator

Shore Power Main Switchboard – Shore Power Voltage Meter Line Selector Amp Meter Line Selector Shore Power Available Indicator Source to Bus Selector Information on the quality, and availability of your shore power is found on this panel. You can also select what power source (shore versus generator) is placed on the main bus.

Shore Power Main Switch Board - Just Below the Shore Power Section Station in Command Selector/Indicator Phase Reversing Switch Short Circuit Detection Cluster

Shore Power Main Switch Board – Below Main Switch Board - Just Below the Shore Power Section Shore Power Motor Operated Circuit Breaker (Allows manual or remote connect/disconnect of shore power to main bus) Bus Tie Breaker (Open – Separates bus into port and starboard. Closed – Connects both sides of bus) Note: Usually closed

Shore Power Cut Sheet of Motor-Operated Circuit Breaker

Shore Power Wheel House Power Tree The Wheel House Power Tree gives a visual indication to the Pilot, as he enters the wheelhouse, as to the status of shore power. Power Connected – Red Light. Don’t drive away! Power Available – Red Light. Don’t drive away! On Line – Green Light Bus supplied by shore power.