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Utilization of Surplus Electric Power of Photovoltaic Systems by Heat Pump Water Heaters: A Planning Method and Its Effect in an Autonomous Demand Area Power System
Author(s) -
Hatta Hiroyuki,
Kobayashi Hiromu
Publication year - 2013
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/eej.22424
Subject(s) - photovoltaic system , electric power system , electric power , automotive engineering , power (physics) , electricity generation , grid connected photovoltaic power system , engineering , stand alone power system , maximum power point tracking , electrical engineering , environmental science , distributed generation , renewable energy , voltage , physics , quantum mechanics , inverter
Summary Large‐capacity photovoltaic ( PV ) systems will be installed in future power systems. According to Japan's energy outlook, the target capacity of PV systems for 2030 is about 50 GW . When large‐volume PV systems are installed in a power system, the reverse power flow from PV systems may cause a surplus of electric power. To utilize the surplus electric power without reduction of PV power generation, the operation of customer equipment such as heat pump water heaters ( HPWH ) according to PV power generation is expected to be one of the solutions. In this paper, a method of cooperative control of customer equipment with PV power generation is proposed, and the effectiveness of the proposed control is evaluated by simulation analyses.

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