Pumped Storage Plant for better frequency and load control of a Grid - Arvind Kumar, Assistant Engineer, UJVNL

Confidential

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Contents

Pump Storage Power Plant (PSP)

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Supply and Demand of Electrical Power

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Indian Power Sector Scenario

Grid Voltage and Frequency Fluctuation 44

Managing Grid System Stability 55

66 Conclusion

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Indian Power Sector Scenario

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Capacity addition in 11th five year plan

Thermal 59,693 MW

Hydro 15,627 MW

Nuclear 3,380 MW

Renewable 14,000 MW

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Capacity addition in 12th five year plan

Thermal 40,000 MW

Hydro 30,000 MW

Nuclear 12,200 MW

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Energy Deficit in All Regions

Region

Energy (MU)

Requirement

Deficits %Peak

Demand (MW)

Deficits %

Northern 224,218 -10.8 33,034 -10.7

Western 254,486 -16.0 37,240 -19.0

Southern 204.086 -7.5 28,340 -7.4

Eastern 82,127 -4.6 12,901 -9.4

North Eastern

9,407 -13.5 1,820 -25.4

All India 774,324 -11.0 109,809 -12.0

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Supply And Demand of Power

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Typical Demand

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Pumped Storage Plant

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Basic Structure of Pumped Storage Plant

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Grid Voltage and Frequency fluctuation

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Variation in voltage during a day

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Variation in frequency during a day

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Managing Grid System Stability

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Grid System Stability

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Conclusion

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Thank You