On ships, both AC and DC distribution systems are used. AC is typically used for propulsion and auxiliary systems, while DC is used for lighting, control, and emergency systems.

The standard voltage level for AC power distribution on ships is 440 volts, although some ships may use different voltage levels.

The standard frequency for AC power distribution on ships is both 50 Hertz and 60 Hertz, depending on the country or region.

Cast-resin transformers are commonly used on ships due to their compact size, low maintenance requirements, and resistance to harsh marine environments.

The main switchboard on a ship serves multiple purposes, including distributing power, controlling and protecting electrical circuits, and providing emergency power supply.

Vacuum circuit breakers are commonly used in shipboard electrical distribution systems due to their high interrupting capacity, long life, and low maintenance requirements.

The generator control panel on a ship serves multiple purposes, including starting and stopping the generator, monitoring and controlling generator parameters, and protecting the generator from faults.

All types of cables mentioned can be used for power distribution on ships, depending on the specific application and requirements.

A bus tie breaker serves multiple purposes, including connecting two or more buses together, isolating a faulty section of the bus, and providing redundancy and backup power supply.

All types of lighting mentioned can be used in shipboard electrical distribution systems, depending on the specific application and requirements.

A power factor correction capacitor bank serves multiple purposes, including improving the power factor of the system, reducing reactive power consumption, and increasing system efficiency.

Solidly earthed system is commonly used on ships due to its simplicity and reliability.

A voltage regulator serves multiple purposes, including maintaining a constant voltage level, protecting equipment from voltage fluctuations, and improving power quality.

All types of generators mentioned can be used on ships, depending on the specific application and requirements.

A synchronizing panel serves multiple purposes, including synchronizing generators with each other, synchronizing generators with the shore power supply, and ensuring proper load sharing between generators.