EHV Power Transformers J S Sastry GM (EHV Transformers) Vijai Electricals Topics to be covered • • • • • • • • What is a Transformer Transformer principle Basic design concepts Construction features Materials used and improvements Types of failures and diagnostics Challenges to Transformer Designers Reactors IF YOU HAVE NO DOUBTS YOU HAVE NOT UNDERSTOOD ANYTHING. - a Spanish proverb. What is a Transformer • A transformer is a static equipment which transformers power from one circuit
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HIGH ALBEDO HEAT REFLECTIVE PAINT Sunsheetal® is based on polyurethane-acrylic blended elastomeric aqueous polymers. It is a high thermal emittance ceramic coating useful in the world of industrial and commercial buildings‚ as a roof coating system that has the ability to reflect the visible‚ infrared and ultraviolet wavelengths of the sun‚ thereby reducing heat transfer to the building. Sunsheetal® is defined as a cool roof coating by virtue of its ability to radiate absorbed‚ or non-reflected
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is at it again with the new‚ innovative and awe-inspiring dry herb vaporizer‚ The Linx Gaia. “Innovation distinguishes between a leader and a follower” - Steve Jobs With it’s innovative Quartz heating chamber‚ clean vapor path design‚ unique air insulation‚ ultra compact size‚ complete temperature variability and signature glass mouthpiece‚ the Linx Gaia is truly vaping innovation for a new generation. What’s the big deal about a quartz chamber? Most dry herb heating chambers are made of steel or
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this talk‚ Cronise brings up the comparison of loosing weight through diet and exercise verses thermal load. Through research and experiments‚ it is said that through thermal load you lose 50% more weight in half the time compared with dieting and exercising. However‚ it is still important to eat nutritiously and exercise‚ but thermal load also matters! This may include swimming‚ emersion theory and thermal loading. Ray Cronise’s story and personal research is just one way weight lose may be achieved
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some of the important ways to save energy during this winter. Energy Audit: First step towards the cost saving exercise is the energy audit. A simple energy audit includes examining your home including heating and cooling systems‚ appliances‚ insulation‚ air leaks and lighting. Energy Audit attempts to balance the total energy inputs with its use and eliminating waste or cutting back unnecessary energy use. Replace old appliances with new Energy Star rated versions. Caulking and weather-stripping:
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environment and human society issues. People from all over the world have been using Styrofoam in their different ways and means. They crafted it into Styrofoam cups‚ Styrofoam food packages‚ floating docks‚ coolers‚ carton liners‚ and for roof insulation. We have also seen how Styrofoam was used in selling ice candies or even hot pandesal in the street‚ in making shapes like the spherical golf ball‚ and insides of boxes when we buy TVs‚ music players‚ computer units‚ or kitchen wares. Styrofoam
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3. TECHNOLOGY REVIEW The anticipated long-term growth in U.S. natural gas demand will require the construction and operation of both onshore and offshore LNG terminals. Recently‚ several offshore LNG terminals have been proposed to increase LNG deliveries to market centers where onshore facilities cannot realistically be sited. The technologies and experience developed for offshore oil infrastructure and onshore LNG terminals can be applied to the development and operation of offshore LNG terminals
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CI/SfB (28) October 2011 Hh2 SFS Specification Manual www.metsec.com 2 Contents Metsec: investing in quality and service 4-5 Choosing the right SFS application 6-7 SFS applications 8-17 SFS component range Infill walling Continuous walling High-bay separating walls Load-bearing structures 8-9 10-11 12-13 14-15 16-17 External finishes 18-23 Section through masonry clad wall External wall - Brickwork External wall - Insulated render External wall - Timber cladding External
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many properties which are essential for life. Complete the table below. | Explanation | Significance to living things | Thermal Properties | When a solid changes to a liquid and a gas more heat is added. This is quite hard as to change phases you have to break the hydrogen bonds and it takes a lot of energy to change from one phase to another. | Water’s thermal properties means that it has the ability to cool us down. When sweat evaporates off our body it takes heat away from our body.
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Exceptional mechanical strength Low dielectric constant Flexible Polishable to Angstrom level surface finishes Excellent dimensional stability Low water absorption High temperature stability Excellent machinability Non-contaminating Low coefficient of thermal expansion REASON FOR ITS MECHANICAL STRENGTH The charge transfer complex between various imide monomers works between adjacent units in the polymer chain and between chains. The chains will stack together like strips of paper‚ with donors and
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