Three phase UPFC regulator with reduced bus capacitance for solar PV application system
This paper, propose a A Three-Phase Reduced DC Bus Capacitance Unified Power Flow Controller (UPFC) for Low Voltage (LV) distribution Networks with High Photovoltaic (PV) penetrations. The device is shown capable of voltage regulating and correcting phase unbalance voltages that can be produced...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Global Journals Inc. (USA)
2016
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/51563/ http://irep.iium.edu.my/51563/ http://irep.iium.edu.my/51563/1/51563_Three_Phase_UPFC_Regulator_with_Reduced_Bus_Capacitance.pdf |
| Summary: | This paper, propose a A Three-Phase Reduced DC Bus Capacitance Unified Power
Flow Controller (UPFC) for Low Voltage (LV) distribution Networks with High Photovoltaic (PV)
penetrations. The device is shown capable of voltage regulating and correcting phase unbalance
voltages that can be produced by high levels of distributed photovoltaic (PV) generation. The
device is also capable of Power factor improvement (PFI) and correction, regulating the zero,
positive and negative sequence voltage in LV distribution Networks and neutral or zero sequence
current compensation. Instantaneous reactive power theory shows The power of DC Bus
capacitor will fluctuate at twice mains frequency during unbalanced operation. The Real and
Instantaneous power balance of Unified Power Flow Controller (UPFC) can be maintained by
allowing the shunt input converter to draw a small negative and positive sequence current. The
Instantaneous Power balance with negative sequence current allows a hundred-fold reduction in
the value of DC bus capacitance which allows long life polypropylene or ceramic capacitors to
replace of electrolytic capacitor in this application. |
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