PVMD Delft University of Technology Learning objectives 1. - - PowerPoint PPT Presentation

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PVMD Delft University of Technology Learning objectives 1. - - PowerPoint PPT Presentation

Sep 25, 2022 91 likes •222 views

Power, frequency and harmonic issues Ravi Vasudevan PVMD Delft University of Technology Learning objectives 1. Voltage issues 2. Power, frequency and harmonics issues Power output fluctuation Power factor correction Frequency

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SLIDE 1

PVMD

Delft University of Technology

Power, frequency and harmonic issues

Ravi Vasudevan

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SLIDE 2

Learning objectives

1. Voltage issues 2. Power, frequency and harmonics issues

  • Power output fluctuation
  • Power factor correction
  • Frequency issues
  • Harmonics

3. Levelized cost of electricity and cost of PV 4. Grid vs Socket parity 5. Financing PV systems 6. Financial incentives for PV

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SLIDE 3

t

Power output fluctuations

P

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SLIDE 4

Power output fluctuations

  • Geographical dispersal
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SLIDE 5

Power output fluctuations

P t

  • Forecasting

Forecast Measured (higher) Measured (lower)

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SLIDE 6

Power output fluctuations

  • Storage
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SLIDE 7

Power factor corrections

Power factor

Ratio between real power and apparent power

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SLIDE 8

Power factor corrections

VAR W VA

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SLIDE 9

Frequency issues

  • Frequency must be uniform

throughout the grid

Demand > supply f Demand < supply f

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SLIDE 10

Harmonics

V t

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SLIDE 11

Harmonics

Active Filter

Grid