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Efforts are now under way to transfer copper motor rotor technology to industrial clusters of Surat, Coimbatore and Hyderabad, known to be hubs for manufacture of motors, water pumps and fans for industrial and domestic use.
The International Copper Promotion Council (ICPI) and Non-Ferrous Material Technology Development Centre (NFTDC), Bureau of Energy Efficiency, United Nations Development Programme (UNDP) are seeking to promote the use of copper in motors, particularly water pumps, which are known to save on energy consumption.
Addressing a press conference here today, Mr Ajit Advani, Director-Sustainable Energy Global, International Copper Association, said in the country about 70-80 per cent of the electrical power is consumed by industries through electrical motors.
Energy efficiency
A small increase in energy efficiency can lead to significant economical and environmental benefits. The Copper Motor Rotors (CMR) technology aims to facilitate penetration of high and premium efficiency motors using copper die-cast rotors.
Energy performance of electric motors are rated according to their electric power conversion efficiency and classified by industry protocols as standard, high, premium or super premium. One of the approaches to producing high and premium efficiency motors is to use die cast copper rotors in the place of cast aluminium. Its improved conductivity reduces losses and allows smaller motor design for equivalent horsepower.
The Enabling Technology Centre at Hyderabad has been established with international funding from Common Fund for Commodities (CFC), United Nation's Development Programme-Global Environment Fund. This is being jointly implemented by the International Copper Promotion Council and the Centre here for manufacture of rotors, motor pumps and motor systems.
Dr Bala Subramanian, Director of NFTDC, said, “the copper technology will enable manufacturers to achieve a quantum jump in efficiency levels of motors. The incremental efficiency gain would lead to saving electricity consumption in almost all sectors. The ETC will serve as one-stop solution to the motor manufacturers in copper rotor due casting process.”
Mr Hal Stillman, Director Technology, International Copper Association, said that the focus now is on sharing the technology with small and medium scale motor manufacturers.
Dr Sandeep Garg, Energy Economist, Bureau of Energy Efficiency, said, “the energy labelling system has brought about significant changes in the market place with coverage of products such as ACs, refrigerators and fans. We plan to do the same with motors. In fact, we now have technology that will make fans nearly 50 per cent more efficient.”
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