Cold Ironing

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Cold Ironing Requirements


Rotary Frequency Selection
Cold Ironing Requirements to Converting Vessels and Ports to Cold Ironing

Ships and vessels from around the world visit ports, these vessels' electrical power and voltage requirements vary from country to country. To give a example, most ocean -going vessels have 440-480 V. Large container ships and passenger ships are configured for 6.6 kV. The larger and newer cruise ships are configured for 11kV. Newer container-ships, which are larger are using 6.6 kV.  These various voltage requirements present problems when designing a cold ironing facility. A  solution for this is a  cold ironing electrical converter  to increase or decrease the voltage in ship. The challenge is where to place the converter, on the ship or wharf.

Cold Ironing Electrical Converters is a important aspect of Cold Ironing Requirements.

Location of the Converter for Cold Ironing Requirements

The Cold Ironing Electrical Converter can be added to the wharf or the ship, but the problem is enough space and should the port provide the converter or should each ship be equip with a converter. Many new cruise ships and other vessels are building the vessels to accommodate converters. It would be much less expensive if there would be just one converter on a wharf for all ships to use. 

Space is another key issue when placing these converters for cold ironing requirements. The Port of Los Angeles is considering having a converter enclosed in a container and stored on the wharf. This would eliminate the need for a  cold ironing electrical converter on each ship, but the ship still needs a allocated space for the converter container when used in port. If cold ironing requirements put the converter on the wharf, there can be many obstacles on a wharf that will limit where a converter can be located. Cargo and containers are stored on the wharf while being loaded or unloaded from the ship, also trucks and cranes are used to load and unload containers and other cargo from a ship occupy space. Typically, only three feet of clearance is available from the rail on the pier to the water's edge.

Cold Ironing Requirements are a Cold Ironing Electrical Converter to change the frequency and voltage.

Additional Power needed for Cold Ironing Requirements

The port's existing power infrastructure may not be sufficient to provide the additional power load that would be needed  for cold ironing requirements. The ability of electrical utility companies to provide the additional power load with the preexisting substation and power lines at a port will vary from site to site. Ports will have to work with local utilities to design and install power to meet additional power demands from cold ironing ships at their terminals. Cables used for cold ironing must be stored when ships are not connected to the port power. These cables and the reels that house the extra lengths of cable must be stored either at the dock or on the ship. As with converters, having enough space is an issue.

Cold Ironing even with these technical problems is proven to be technically feasible. Cold-Ironing Requirements are now part of many ports' efforts to reduce pollution and reduce the health issues impacting  the communities that surround these ports. Cold Ironing and plugging in to shore ports is currently being used or planned for cruise ships, container ships, oil tankers. The Port of Los Angeles is installing or planning to install several more shore power sites. The Port of Long Beach is adding cold ironing requirement for future lease conditions. Seattle already has terminal with shore power and adding more.

China has set up their large container ships to use shore power, and the Navy has used this method for years.  Shore-port-to-Ship power will be the wave of the future as nations around the world realize the need to protect our environment for future generations.


Cold Ironing requirements includes cables to plug into shore power.

As Cold Ironing becomes global, cold ironing electrical converter will be a economical solutions for the different frequencies and voltages of each port. A TEMCo cold ironing electrical converter not only provides an answer to the different frequencies and voltages but it also stabilizes and offer power factor correction.

TEMCo - A Brand You Can Trust For Quality Industrial Power Solutions
TEMCo Industrial Power Solutions and Cold Ironing Electrical Power Converters are chosen for the most demanding applications by some of the best companies in the world. Some of TEMCo's customers include NASA, General Motors, American Family Radio, Kaiser Permanente, Nordstrom, BAE Systems, UC Berkeley, Navy Public Works Center, US Army Executive Service, FORD, MIT, Stanford Linear Accelerator (SLAC), Lawrence Livermore National Labs (LLNL), and many thousands more. From development to distribution, TEMCo offers the best pricing with fast shipping, always at the most affordable rates


TEMCo has had extensive experience manufacturing electrical power products since 1968.

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