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Introduction :
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The present day electrical power system is a.c. i.e. electric
power is
generated, transmitted and distributed in the form of
Alternating current. The electric power is produce at the powerstation, which are located at favorable places, generally quite
away from the consumers. It is delivered to the consumer
through
a large network of transmission and distribution. At
many place in the line of power system, it may be desirable andnecessary to change some characteristic (e.g. Voltage, ac to dc
,
frequency p.f. et ....etc

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SUB-STATION EQUIPMENTS & ITS FUNCTIONS
Lightening Arrester
Lightening arrestors are the instrument that are used in the incoming feeders so that to prevent the high voltage entering the main station. This high voltage is very dangerous to the instruments used in the substation. Even the instruments are very costly, so to prevent any damage lightening arrestors are used. The lightening arrestors do not let the lightening to fall on the station. If some lightening occurs the arrestors pull the lightening and ground it to the earth. In any subst ....etc

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please send me a ppt for the 220 kv substation as i am making a project on that and it would be really helpful !!1 ....etc

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i wnt the ppt at 132/33 kv substation.i am Ashwanee Dubey from lucknow,i have done a vacational training at UPPCL Lucknow.


fh ....etc

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i want 220/132kv substation earthing and insulation ppt slides ....etc

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uppcl summer training report 132 to 33kv pdf

UPPCL will be professionally managed utility supplying reliable and cost efficient electricity to every citizen of the state through highly motivated employees and state of art technologies, providing an economic return to our owners and maintaining leadership in the country.
We shall achieve this being a dynamic, forward looking, reliable, safe and trustworthy organization, sensitive to our customers interests, profitable and sustainable in the long run, providing uninterrupted supply of quality p ....etc

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A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. A substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages.

Substations may ....etc

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Now days the electrical power demand is increasing very rapidly. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. These power generating stations< may be hydro electric, thermal or atomic. Depending upon the availability of resources these stations are constructed different places. These places may not be nearer to load centers where the actual consumption of power takes place. So it is necessary to transmit these huge power blocks from generating station to their load c ....etc

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Nowadays power supply system is to say AC electricity is generated, transmitted and distributed in the form of current alternative. The electrical power is produced at the level of the position of power, which are located at places favourable, generally away from consumers. It is delivered to the consumer through an extensive network of transport and distribution. To the number in the supply line, it may be desirable and necessary to change certain characteristics (for example voltage, current alternative current continuous frequency P.F. etc.) ....etc

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