Paper 1 · People, Development and EnvironmentUGC NET December 2022 (13.03.2023) Shift-I (Environmental Sciences)
हिन्दी में पढ़ें →Given below are two statements. In the light of the above statements, choose the most appropriate answer from the options given below.
Statement I:A grid-connected photovoltaic system supplements the grid power during the daytime.
Statement II:A grid-connected photovoltaic system does not require additional equipment to control voltage and the like.
ABoth Statement I and Statement II are correct
BBoth Statement I and Statement II are incorrect
CStatement I is correct but Statement II is incorrect ✓ Correct
DStatement I is incorrect but Statement II is correct
Correct answer: (C) Statement I is correct but Statement II is incorrect
Explanation
A grid-connected photovoltaic system feeds solar power into the grid during daylight, supplementing supply, as the first statement says.
The second statement claims no extra equipment is needed for voltage control, which is wrong.
Such a system needs an inverter and control gear to match grid voltage and frequency.
Synchronising with the grid requires safety and conditioning equipment, not none.
The daytime-supplement claim holds while the no-equipment claim fails.
Any surplus can be exported and metered back to the utility.
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