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18 Cards in this Set
- Front
- Back
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State the purpose of the Ship’s Service 60 Hz Electrical Distribution system
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It is the connecting link between generators supplying electrical power and electrical equipment to furnish various services throughout the ship
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Main power distribution switchboards
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Used to distribute loads. We have 4 main distribution switchboards: 2 located in Aux 1 and 2 in Aux 2.
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Electric plant control panel
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: Used to control and parallel generators and loads; located in each Aux space.
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Static Frequency Changer (SFCs)
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): used to change 60 HZ to 400 HZ. We have 4 onboard: #1 is located in power room #1; #3A, 3B, 3C are located in power room #2 (1-17-3-Q).
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Voltage regulator
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Regulates voltage. One on each generator at the EPCP.
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400 Hz power distribution (switchboard):
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400 hz power distribution (switchboard): Directs the power generated by the static frequency converters to the various ship’s and LCAC loads. There are 3 switchboard enclosures
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how does the SSDG produce electricity
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motion, magnetic field, conductor
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what is the purpose of the syncroscope on the EPCP
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compares the oncoming geerator speed/frequency
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what is the PMA and what is its pupose
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provides initial field flashing and provides refreance signal to the governor
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what type of voltage regulator does the SSDG have
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Static excitor voltage regulation system
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what is the capacity of the SSDG's
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2085 amps,1300kw, 450vac, 60hz, 0.8 power factor lagging
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how many connections are on the shore power riser
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6
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how many bus-tie breakers are in the electrical distribution system
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6 bus ties
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what is the starting air pressure of the ssdgs
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250
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what degaussing coils does the ships gyro control
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A-coil and FI-QI coil
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where is the rough location of the m-coil
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around the 2nd deck
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what type of degaussing system onboard
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SSM-4
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what is more stable 400hz or 60hz
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400hz
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