Seminar on Standardization, Certification & Quality Control of Distribution Transformers

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Bureau of Indian Standards (BIS) jointly with International Copper Association India and Indian Transformer Manufacturers Association (ITMA)

NewZNew (Chandigarh) : BIS and International Copper Association India (ICA India), in an attempt to proliferatesustainable development in India today conducted a workshop on “Standardization, Certification & Quality Control of Distribution Transformers in Chandigarh . The workshop was conducted in association with Indian Transformer Manufacturers Association (ITMA).

This seminar is very specific to bring all stakeholders – BIS officials, Distribution transformer manufacturers, regional power utilities&testing agencies at one platform to discuss the issues related to certification process, and this seminar was helpful to all stakeholders & all manufacturers of this region to get certified before mandatory date -01st February 2016.

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The speakers in the event were representatives from BIS, ITMA andTesting agencies.The event was well received by consultants, transformer manufacturers, Power utilities and General Industries utilizing the Distribution Transformers.

Transformers plays a crucial role in the power distribution network and any failure creates disruption of power supply to consumers and its extent of effect depends upon the quality. High efficiency transformers create economic benefits for society in addition to the reduced greenhouse gas emissions, improved reliability and potentially longer service life if lower temperature rises are experienced through the energy-efficiency improvements. With these benefits in mind, many countries have taken policy initiatives to establish mandatory and voluntary programmes to conserve energy & to help the domestic markets by adopting energy-efficient transformers.The focus of the workshop was on maximizing energy conservation and emission reductions through use of energy efficient transformers and to discuss manufacturing practices of power distribution transformers and maintenance for reduction of failure rate.

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The life cycle cost has to be calculated considering financial point of view, taking into account the cost of energy losses, failure risk and maintenance into account, as well as the investment cost and the residual value of the transformer at the moment of retirement.The replacement issue mainly comes down to the question whether the energy efficiency can be improved sufficiently to reduce the life-cycle cost of the transformer. As the cost of the energy losses mount up to a multiple of the investment cost of the transformer, a minor energy efficiency gain can already be enough to justify replacement.

The overarching objective of the seminar is to createawareness on the STANDARD –IS1180 (part-1), Certification & Quality Control Of Distribution Transformersand enhance the Operational Efficiency, Incorporate Global Practices, Testing, Failure Analysis, and Improvement in Design and Performance of Distribution Transformers.

Bureau of Indian standards has launched the revised standard IS 1180:2014, “Outdoor Type Oil Immersed Distribution Transformers Upto and including 2500 kVA, 33kV —Specification Part 1 Mineral Oil Immersed”. And this standard extends the scope of coverage beyond 200 kVA and up to and including 2500 kVA and 33 kilovolts. This extension of the scope would bring India’s coverage more in line with other major economies such as Australia, China and the United States.

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High efficiency transformers are a mature technology with their economic and environmental benefits clearly demonstrated. While their higher initial cost can be more than recovered by reduced running costs, many distribution transformers are still chosen on the basis of the purchasing price. Hence, implementing regulatory framework to assess long term benefits is helpful in the promotion of rational energy use.

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