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Questions

For which industries is a Compressed Air Cogeneration System more applicable? 

Even though a Compressed Air Cogeneration System will help reduce the unit price of compressed air in all industries, it is more applicable in industries where there is both compressed air and heat consumption. Textile, automotive, food, glass and plastic sectors are some of the major areas where it can be fully utilized.  

What are the differences and advantages of a Compressed Air Cogeneration System relative to a conventional cogeneration system? 

Conventional cogeneration systems turn mechanical power into electrical energy. The generated electrical energy, after the losses in the transformer, is turned into mechanical power once again in the electrical motors and compressed air is generated. Compressed Air Cogeneration System directly couples the natural gas engine to the compressor unit; thus eliminates the 15% loss of energy during electricity's formation. 

When a conventional cogeneration system is built, in order for the generated electricity to be managed a transformer must be bought or its capacity must be increased. At the same time, a conventional compressor system must be installed to meet the compressed air requirement of your factory. By using a Compressed Air Cogeneration System you can build a more efficient system with less investment cost on one single machine.   

How much does a Compressed Air Cogeneration System save compared to an electrical engine compressor?  

The answer to this question varies based on many variables and data regarding your factory. The electricity rates, natural gas prices, the quantity and type of your heat requirement, the demand fluctuations of your compressed air consumption, capacity factor are some of these required data. 

Even though a Compressed Air Cogeneration System will typically save you up to 35-40% relative to your current energy bill corresponding to the same output, this amount can be as high as 55%.  

Most companies have spare generators to make sure the continuity of their productions, as the electrical engine compressors shut down when there is an electric outage. You don't need to invest in an extra generator as there is no such risk involved in the Compressed Air Cogeneration System. 

What are the kW power types of the Compressed Air Cogeneration System that is being produced? 

Our most standardised machine is the 200 KW power model TE-NG-200. These machines can be connected in parallel and the system can be enlarged as desired based on your requirements. We are also capable of designing systems which vary between 100 KW and 400 KW based on your company’s requirements.  

What is the cost of a Compressed Air Cogeneration System and what is the return period of this investment? 

The total installation cost of a Compressed Air Cogeneration System, although it is a more complex and better equipped machinery, is approximately as much as a conventional cogeneration system of the same size. 

While the investment return period of a conventional cogeneration system is around 5 years, a Compressed Air Cogeneration System’s investment return period is a maximum of 24 months for reasons such as 15% better efficiency, lower maintenance costs and the ability to recycle heat through the compressed air section.   

What are the service and maintenance costs of a Compressed Air Cogeneration System? 

As a result of Tecom BHT’s business model and after-market principles, the maintenance costs of a Compressed Air Cogeneration System is as much as an electric motor driven screw compressor. Therefore it allows your company to save energy without any additional maintenance costs.

The service and maintenance costs of a conventional cogeneration system are higher; thus its true lifetime costs are higher. 

How will fluctuations in energy prices effect the return period of the investment of the system? 

Natural gas and electricity prices run parallel to each other in Turkey; because 50% of electricity production is from natural gas. For every 10% rise in the price of natural gas, electricity prices rise around 7%. As opposed to popular belief, the amount of savings that is possible with cogeneration systems doesn’t decrease when natural gas prices go up, at worst it remains the same. The reason for this is that the cogeneration systems are not only systems that correspond to electrical energy but also to heat energy that is generated by natural gas. Even though percentage price increase in natural gas is higher than electricity, in terms of net value electricity price increases more thus widening the gap in favour of natural gas.

 

 

Kavacık Mah. Ekinciler Cad. Muhtar Sokak No:5 Zemin Kat Kavacık-Beykoz/İstanbul                 Tel: +90 216 331 12 00-444 1 302                 Fax: +90 216 331 12 02             info@tecompressor.com