Harmonic filtering and power-quality monitoring system

Oil tankers

Chemical tankers

LNG carriers

LPG, ethylene, ethane, ammonia, CO2, hydrogen and gas-bunkering carriers

Bulk carriers and specialised dry-bulk carriers

General and specialised break-bulk cargo ships

Multipurpose, open-hatch, deck, heavy-lift and heavy-transport ships

Container ships

Ro-ro cargo and vehicle carriers

Refrigerated cargo ships

Fishing vessels, factory trawlers and live-fish carriers

Cruise and passenger ships

Ro-ro passenger ferries

PSV, AHTS, OSV/SOV and CTV

Cable, pipe, diving, subsea construction, WTIV and intervention vessels

Drillship, FPSO, FSO, FSU, FLNG and FSRU

Dredgers and hopper dredgers

Tugs, ERRV/standby, pilot and search-and-rescue craft

Research, hydrographic, seismic and icebreaking vessels

Large yachts and superyachts

Patrol and government service vessels

Passive / active harmonic filter bank

Filters absorbing or cancelling the distortion that power electronics inject into the network.

Power-quality analyzer

The instrument measuring distortion, voltage and frequency quality — evidence of whether the network is healthy.

Current and voltage transformers

The instrument transformers giving the analyser safe, scaled measurements of network current and voltage.

Filter switching / protection equipment

The switchgear connecting filter stages as load varies, with protection for the filter capacitors.

Power-quality monitoring panel

The panel presenting power quality and filter status to the engineers.