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What do these levels mean?
According to one expert, the new single-phase minimum efficiency is approximately equal to an evaluation formula of NL = $4.50 and LL = $1.00
For three-phase, the approximate evaluation is NL = $3.00 and LL=$1.00
These are only approximations. There is not a direct translation between evaluation formulae and efficiency. Compliance with minimum efficiency requirements is design specific.
How will the new efficiency standards impact manufacturing?
CPS will need to revise roughly 60% of its active catalog numbers before 1-1-2010 to meet requirements
The new efficiency levels will shift raw material usage that will tighten supply of the highest grades of core steel. Significant additional capacity will not be on line until 2010. Therefore it is important to work with us early to determine design rules.
The DOE rules create no difficulties for CPS in terms of design and manufacturing, but material procurement will be increasingly challenging as the deadline approaches.
How will the new efficiency standards impact transformer design?
- Transformer sizes and weights will change
- Depends greatly on specific Customer designs & product lines, but in general large increase in core/coil weight
- Decrease in fluid volume (core/coil displacement)
- Overall weight increases slightly
- Dimensions don’t appear to change dramatically
- Transformer costs and prices will increase. DOE estimates 6-12% cost increases, but this is based on static materials markets (Early 2006). Actual price increases are a function of where customers are today, movements in the materials markets, and are design specific.
How is Cooper Power Systems positioning itself to address the upcoming changes?
- Continue to maintain strong relationships with material suppliers
- Continue to monitor all available technologies to meet minimum efficiency requirements
- Undertake further studies to more precisely determine the overall impact of the ruling
When should DOE efficiency standards be written into specs?
ASAP...but no later than the beginning of 2009!
In addition to the reduction of CO2 emissions from the new DOE efficiency standards, what more can be done to further reduce CO2 emissions?
Specify Cooper Power’s Envirotemp® FR3™ Fluid for all of your liquid-filled transformers. FR3™ fluid has a negative carbon footprint and absorbs CO2 during it’s production. This vegetable-oil based fluid is composed from soy beans which breathes CO2 while the plants grow.
For information on the environmental comparisons between FR3™ Fluid, Mineral Oil, Silicone Oil and others, please refer to the Building for Environmental and Economic Sustainability (BEES) report.
FR3™ Fluid could become the only dielectric fluid eligible for carbon credits in the future.
Together with the new DOE efficiency standards, Envirotemp® FR3™ Fluid positions you to:
- Visibly demonstrate to your employees and consumers your environmental stewardship in a regulatory environment that demands GREEN Initiatives
- Gain the total life cycle cost savings derived from a highly efficient, fire resistant, and longer lasting product
- Obtain full cost recovery from your PUC for this leadership role
- Adapt in an increasingly legislated and restrictive environment regarding green house emissions
Additional Resources
For more information or to request a quote, please contact RM Reps.
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