M.O.B – Man OverBoard
Electrical
Electric Propulsion on Ships
Why Power Electronics Decide Whether a Ship Can Move at All Introduction — propulsion is no longer mechanical On electrically propelled ships, propulsion is not a shaft connected…
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Electrical
Motor Starting Methods on Ships
DOL, Soft Starters & VFDs — Why Starting Philosophy Shapes Blackout Risk Introduction — starting a motor is…
Electrical
Electric Motors on Ships
How Induction Motors Actually Fail — and Why Protection Often Comes Too Late Introduction — motors are the…
Electrical
Rectifiers & Inverters
6-Pulse, 12-Pulse, AFE — Harmonics, Heat, and System Instability Introduction — DC systems destabilise AC ships Rectifiers and…
Electrical
Marine Transformers
Voltage Conversion, Fault Containment, and Why Fires Start Quietly Introduction — transformers rarely trip, they just burn On…
Electrical
Energy Management on Ships
Efficiency, Stability, and Why “Saving Fuel” Can Create Blackouts Introduction — efficiency without context destroys resilience Modern ships…
Electrical
Shore Power / Cold Ironing
Why Plugging In Is One of the Highest-Risk Electrical Operations on a Ship Introduction — shore power looks…
Electrical
Load Shedding, Blackout & Black Start
Why Recovery Time Is More Important Than Protection Accuracy Introduction — blackouts are survivable, if recovery is fast…
Electrical
Power Management Systems (PMS)
Load Sharing — When Generators Fight Each Other Introduction — load sharing is where “healthy” systems quietly kill…
Electrical
Automatic Voltage Regulators (AVR) & Excitation
Reactive Power, Stability, and the Silent Path to Blackout Introduction — voltage collapse happens before blackouts When ships…
Electrical
Marine Generators
Electrical
Relay Protection on Ships