Optimization Of Hvac Essay

916 words - 4 pages

A electric grid works as a power distribution system and carries electric powers through different power lines. Since grid cannot store any power anyplace within the system. We got several customers consuming megawatts of power at any moment. At that very same moment, we have got dozens of power plants manufacturing precisely the
correct amount of power to satisfy all of that demand. And you've got all the transmission
and distribution lines sending the power from the power plants to the customers.There are
times, when there's peak demand of electricity that interacted nature of the grid makes the
whole system at risk of collapse.For example, the power grid is running pretty near its
most capacity. Once the power grid exceeds that capacity, it causes a power plant to
suddenly trip off line. This happen in scenario when the demand of electricity exceeds its
supply. it causes the system to fail. once that system fails, its entire load shifted to
neighboring transmission lines. They then get overload and fails likewise. That solely
makes the matter worse, and dozens of plants eventually disconnect. That leaves several
people without power.and sometimes these blackouts could be very costly.
One way to resolve this issue would be to reduce peak electrical demand by
improving building central plant system. To do so, we are going to maximize the chiller
water system’s efficiency. While a whole plant
approach must be taken to achieve the most
economical chilled water plant solution. The chiller is a very massive energy consumer and
should be chosen properly or combination of steam/electric chillers to reduce plants energy
consumption. All components of chiller play huge role in improving chillers efficiency as
well. City College of New York has the hybrid chiller plant system, which can enables us to
change between electrical and stream according to campus demand during peak and off
peak seasons.. Since, the demand value is high within the summer for electricity
particularly during peak periods; as a result, we can avoid peak electric demand by running
electrical chillers off season. and hybrid technique throughout the peak season. Hybrid
system design means running the combination of different chillers to produce chill water
based on weather and season demand. By avoiding peak demand not only we will be able
to lower electric cost but overall regional blackouts can be avoided as well.
A chiller plant has two primary function. First is production of chilled water and
second is the distribution of that chilled water throughout the loops system. These loops
can be divided into secondary and tertiary loops. Since most of the power consumption
goes into production that for that reason we will be concentrating on that function. The
question comes in mind...

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