The diagram below shows how electricity is generated in a hydroelectric power station. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows how electricity is generated in a hydroelectric power station. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
The figure describes how the kinetic energy of stored
water
in a dam is used to run a
turbine
to produce electric power in a hydroelectric powerhouse. The
water
obtained from downstream of a river is stored in a high-altitude
reservoir
of a dam. The
water
from the intake of the
reservoir
, which is opened during the daytime, is made to flow through the blades of the
turbine
. The
turbine
, which is coupled to an electric generator, is rotated by the impact of
high
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the high
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kinetic energy of the fluid. The power generated by the rotation of the armature of the generator is transmitted to the national grid. The
water
at the discharge of the
turbine
is stored in a low-altitude
reservoir
. At night,
he
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the
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surplus amount of electrical energy from the grid station is supplied to the generator, which in
this
case operates as a motor, and runs the reversible
turbine
, which at night, acts as a pump, to deliver the
water
from
lower
Correct article usage
the lower
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to
higher
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the higher
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reservoir
.
Hence
, the level of
water
in high-level storage is maintained and can be used to run the
turbine
the
next
day.
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Introduction: The introduction is missing.
Introduction: The chart intro is missing.
Basic structure: Change the second paragraph.
Introduction: The chart intro is missing.
Vocabulary: Replace the words water, turbine, reservoir with synonyms.
Vocabulary: Only 3 basic words for charts were used.
Vocabulary: Use several vocabularies to present the data in the second paragraph.
Topic Vocabulary:
  • hydroelectric power station
  • reservoir
  • potential energy
  • mechanical energy
  • electrical energy
  • turbine
  • generator
  • renewable energy
  • fossil fuels
  • emissions
  • power lines
  • gate-controlled tunnels
  • gravity-driven
  • transformation
  • clean energy source
  • sustainable
  • recycled water
  • mountainous area
  • activate
  • transmit
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