Interesting Engineering on MSN

World’s largest smart transformer to deliver 36 billion kWh of energy a year

To prevent similar situations in the future, Chinese engineers have now developed a 750-megavolt-ampere (MVA) smart DC ...
Nature

Absorption Heat Transformers and Waste Heat Recovery

Absorption heat transformers (AHTs) are advanced thermal systems designed to upgrade low-grade waste heat to higher, more useful temperature levels. By exploiting the thermodynamic properties of ...
T&D

System Monitors Large Oil-Insulated Transformers

GE Energy has developed a new transformer monitoring system with more processing power, memory and diagnostic features than was available in products from previous generations GE Energy has developed ...
CNET

Considering a Heat Pump? Here’s What You'll Really Pay for a Sustainable Heating System

With global warming becoming an urgent issue, heating our homes efficiently -- and sustainably -- has taken center stage. As winters become more unpredictable (and unexpectedly harsh), finding ...
Forbes

What’s The Most Efficient Heating System For Your Home?

Dawn Weinberger is a freelance writer in Portland, Oregon who has contributed to numerous publications and websites over the past 20 years, including RD.com, Glamour, Women's Health, Entrepreneur, and ...
Electrical Construction & Maintenance

Stumped by the Code? NEC Requirements on Grounding Electrode Requirements for Separately Derived Systems and GFCI protection Requirements of Space-Heating Cables

All questions and answers are based on the 2011 NEC. Q. What are the grounding electrode requirements for a separately derived system, such as a transformer? [250.30(A)(4)] A. First of all, let’s ...