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Islanding is the intentional or unintentional division of an interconnected power grid into individual disconnected regions with their own power generation. Intentional islanding is often performed as a defence in depth to mitigate a cascading blackout. If one island collapses, it will not take neighboring islands with it.
It has been defined and is controlled by the National Marine Electronics Association (NMEA). It replaces the earlier NMEA 0180 and NMEA 0182 standards. [2] In leisure marine applications, it is slowly being phased out in favor of the newer NMEA 2000 standard, [3] [4] though NMEA 0183 remains the norm in commercial shipping.
Offshore installation security is the protection of maritime installations from intentional harm. [2] As part of general maritime security , offshore installation security is defined as the installation's ability to combat unauthorized acts designed to cause intentional harm to the installation.
The top manufacturer is Garmin's Marine division with a turnover of US$917 Million in 2023 [8] followed by Brunswick-owned Navico Group (Simrad, Lowrance, B&G and several other brands), with a turnover of US$915 Million (although this includes sales of equipment which is not marine electronics, such as batteries, cables and pumps).
This is a list of installations used by the United States Marine Corps, organized by type and state. Most US states do not have active Marine Corps bases; however, many do have reserve bases and centers. In addition, the Marine Corps Security Force Regiment maintains Marines permanently at numerous naval installations across the United States ...
Intrinsic safety (denoted by "i" in the ATEX and IECEx Explosion Classifications) is one of several available methods for electrical equipment. see Types of protection for more info. For handheld electronics, intrinsic safety is the only realistic method that allows a functional device to be explosion protected.
In electronics testing and servicing, an isolation transformer is a 1:1 (under load) power transformer used for safety. Without it, exposed live metal in a device under test is at a hazardous voltage relative to grounded objects such as a heating radiator or oscilloscope ground lead (a particular hazard with some old vacuum-tube equipment with ...
IEC 61023 Maritime navigation and radiocommunication equipment and systems – Marine speed and distance measuring equipment (SDME) – Performance requirements, methods of testing and required test results; IEC 61024 Protection of structures against lightning (Withdrawn, replaced by parts of IEC 62305) IEC 61025 Fault tree analysis (FTA)