Cold Ironing

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Implementation of Cold Ironing in Ports

Rotary Frequency Selection
Why are  Port implementing Cold Ironing

Ports are implementing cold ironing because it is one of the fastest ways to cut emission from diesel-fueled engines and is a significant toxic air contaminant. Communities adjacent to ports have higher cancer risk and more susceptible to respiratory infection and lung inflammation and other health impacts. Exposure to these toxic air contaminant, like  diesel PM, can also be linked to premature death and a number of heart and lung diseases. Ports contribute 34 percent of the total population health risks due to diesel PM.

When vessels come into ports they use diesel propulsion engines and auxiliary diesel generators to power refrigeration, pumps, lights and other functions. This diesel fuel is what pollutes the air. Cold Ironing is a process where ship plugged into shore side electrical power. The term "Cold Ironing"  comes from  when ships turn off their engines and let the iron get cold. A example of how cold ironing could help with the pollution, the ports of Los Angeles and Long Beach generate more than 4,000 tons of smog-forming nitrogen oxide. The Cold Ironing system in California, just at the China Shipping Line Terminal eliminates more than 3 tons of nitrogen oxides and 350 pounds of diesel particulate matter for each ship that plugs in.

Ports are implementing Cold Ironing to improve our enviroment.

The Reason why Ports Are Not Implement More Cold Ironing

Implementation of cold ironing in ports requires capital investment both to run power lines and construct the shore power facilities at docks, plus adapt marine vessels to receive the shore power.  The first large scale cold ironing installation was the Princess Cruise vessels in Juneau, Alaska. Princess spend around $5.5 million to construct the shore side facilities and to retrofit the vessels to accept shore power.

The cost of implementing cold ironing in ports will vary greatly depending on the cost of upgrading transmission and distribution infrastructure, constructing in-port and in-terminal facilities, retrofitting the vessels, and operating and maintaining the facilities. At the present time Federal and States agencies have few regulations on these ports and vessels to clean up the pollution they cause. This will change too, and many states (California in the forefront) are working to clean up their ports.. With the increase price of diesel fuel it also makes cold-ironing more cost effective and helps off set some of the cost to the shipping companies. Another factor is helping the implementation of Cold Ironing is global warming and the effect of diesel fuel has on our world. 

Implementation of cold ironing in ports requires capital investment

Implementing Cold Iron in Ports with different Voltages and Frequencies

A Cold Ironing Electrical Power Converter can offer a economical solution for the different voltages and frequencies that can incur while vessels are at port. A Cold Ironing Electrical Power Converter  converts frequency, voltage and phase. A  quality Cold Ironing Electrical Power Converter should not only provide the ability to change  frequencies, voltage and phases but provide line isolation, harmonic cancellation and other power factor correction. TEMCo, a top manufacturer of Cold Ironing Electrical Power Converters has been in business for over 25 years.  They manufacture all their products using only quality materials backed by a highly trained technical and engineering staff.  TEMCo with its helpful, knowledgeable staff can answer any questions you may have regarding Cold Ironing Electrical Power Converter. TEMCo stands behind its products with the best warranty in the industry and provides service before, during and after the sale.


Cold Ironing Electrical Power Converter takes care of the voltage and frequencies when a ship is plug-in while docking.

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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