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Canada. The sheer size of the equipment is staggering - circuit breakers as large as a house, transformers as large as two houses.
While there has been a slowdown in the growth of the demand for electric energy caused by the oil shortage of the 70s, Mr. Phadke noted that there has been a steady improvement in the efficiency and reliability of generating and transmitting power.
The most exciting innovation has been the use of computers to maintain “dynamic stability” - keeping all the elements of the system synchronized with high precision while maintaining security at the local, regional, and national sites as the demand
for power changes throughout the course of the day. Especially critical are the relays, complex devices that keep constant watch over current, voltage, lines, and transformers. They can react within four to 10 milliseconds when problems occur due to equipment failure or natural disasters.
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