Ship Electrical Systems and Protection

These flashcards cover key vocabulary and concepts related to ship electrical systems and their protection mechanisms.

Generator Breaker

A mechanical device used to connect and separate the generator from the onboard electrical system.

Circuit Breaker

An automatically operated electrical switch designed to protect a circuit from excess current due to overload or short circuit.

Isolator

The simplest type of switchgear, used to isolate a circuit without breaking the load.

Contactor

A device for opening or closing a circuit under normal load conditions, typically operated by pushbutton control.

Switch

A non-automatic mechanical device capable of opening or closing a circuit under normal load conditions.

Molded Circuit Breaker (MCCB)

A type of circuit breaker that protects circuits against overloads and short circuits.

Switchgear

An assembly of electrical devices used to control, protect, and isolate electrical equipment.

Safety Devices

Devices used on board ships to ensure safe operation of electrical systems and protection from electric shock.

Electric distribution panels

Panels used to distribute electrical power to various systems on a ship.

Power distribution

The system of distributing electrical power from the main source to electrical consumers.