Higher Efficiency of Transformers
Brief Description
China's demand for energy remains high, as high-energy consuming industries are leading the way in China's economic development. Currently in China, old inefficient transformers are widely used and are responsible for more than 30% of the electricity loses along the power transmission and distribution down to the end-users. As transformers have an operating lifespan of at least 20 years, it is crucial that high efficiency transformers are installed in the design stage. Upgrading is often impossible for economic reasons.
The project Higher Efficiency Power and Distribution Transformers Promotion Project works towards energy efficiency by increasing the market penetration of higher efficiency transformers. Within three years the project plans to reduce electricity losses of power transmission and distribution utilities and of energy-intensive industries. It aims to reduce utilization of fossil fuels in China and the emissions of greenhouse gases. All these measure will improve air quality in China.
News
September 2010
In July project partners had already started to discuss EU standards for environmentally conscious design of transformers. Earlier in the year the project and its partners revised a Guide for Determining energy effi ciency for Distribution Transformers to help users better understand and evaluate energy effi ciency as well as profitability.
Higher Efficiency of Transformers invited to Shenyang to discuss the reduction of hazardous substances in electric and electronic equipment. on 14 September, the Subcommittee 2 on environmental Design of National Technical Committee 297 on electrical and electronic Products and Systems of Standardization Administration of China (SAC/TC297/SC2) convened the 2nd meeting of drafting environmental consciousness design standards for transformers. The meeting was chaired by Mr Zhang Liang, President of the China electrical equipment Industrial Association. The discussion at the Shenyang workshop dealt with the whole lifecycle of a transformer including the structural design, the material use, the production, packaging, usage and recycling. So far transformers are built according to national standard Gb1094.1 that considers the environmental performance of integrated transformers, their energy effi ciency,noise emission, electromagnetic compatibility.
April 2010
On April 7th and 8th, 2010, the kick-off meeting of the revision for Guide for Determining Energy Efficiency for Distribution Transformers was held in the city of Wuxi at Jiangsu Province. This kick-off meeting has been held to help the users have a clear and correct evaluation of the rational application of resources as well as the improvement of power efficiency, so that they can evaluate the relations between cost and energy conservation in using distribution transformers from a comprehensive perspective. By doing so, the application of the energy-conserving and environmental-friendly transformers can be well publicized.
This meeting is one of the execution activities in 2010 under the program of EU Switch-Asia Project Promoting China Higher Efficiency Transformers. The meeting has been worked under the joint efforts of International Copper Association, and it’s two partners-Standardization Center of China Electricity Council and Council of Standards for Power Transformers in Power Industry.
The revision of Guide for Determining Energy Efficiency for Distribution Transformers is designed to help the users better understand and evaluate the energy efficiency as well as its profitability. The meeting has revised the relevant parameters, adjusted the formulas, and also increased corresponding cases, so that this set of standards can be widely applied in the bidding and evaluation system of transformers.
March 2010
The project, Higher Efficiency of Transformers is helping to reduce greenhouse gas emissions by cutting consumption of the fossil fuel used to accommodate excessive transformer losses. Rapid growth in large regional economies such as China has elevated human prosperity. However, unless ultimately decoupled from fossil fuel use, such growth also threatens to exacerbate the climate challenge. At the kick-off meeting of the project on 12 March 2010, all project partners stressed that energy–efficient transformers work towards meeting internationally agreed goals for reducing global warming. In terms of outcomes, the project is expected to achieve savings of as much as 887 million kWh a year of electricity and reductions of carbon dioxide emissions by up to 840,000 tons.
The efficiency of transformers can be improved by using higher performance raw materials, particularly special steels for transformer cores, which are continually being developed. The size of the transformers being installed in the electricity network, and the way in which they are loaded, can also increase savings.
The director of the lead applicant, the International Copper Association China (ICA), Victor Zhou, stated that ICA promotes the use of higher efficiency transformers within the country’s energy industry to conserve energy and reduce emissions.
There is enormous potential for saving energy and increasing efficiency by employing these transformers, and the project intends to promote higher standards to govern their use. There is also potential for improvements through capacity building with manufacturers and the end-users. The project involves a close partnership between the International Copper Association China (ICA), the China National Institute of Standardization (CNIS), the China Electrical Equipment Industrial Association (CEEIA), the China Electricity Council (CEC), and Action Sustainable Development (ASD-France).
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