학술논문

$> 94.5\%$ Reduction in Grid-Buy Electricity and Elimination of AM & PM Energy Peaks/Spikes by Optimizing Energy Usage and Integration of Customer Self-Supply Rooftop Solar PV with Electrical & Thermal (Hot & Cold) Storage Batteries: A Case Study for Residential Hawaii
Document Type
Conference
Source
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC) Photovoltaic Specialist Conference (PVSC), 2017 IEEE 44th. :2947-2951 Jun, 2017
Subject
Aerospace
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Engineering Profession
Fields, Waves and Electromagnetics
Photonics and Electrooptics
Power, Energy and Industry Applications
Water heating
Batteries
Monitoring
Solar heating
Temperature measurement
Temperature sensors
Resistance heating
grid-buy
battery storage
thermal storage
hot thermal storage
cold thermal storage
solar PV
self-supply
Language
Abstract
We investigated the integration of customer self-supply rooftop solar PV system with electrical battery storage and hot & cold thermal storage for residential Hawaii. Optimizing time of use for key appliances and improvements to hardware and software control system, we reduced the average daily Grid-Buy from 48.7kWh/day in April 2016 to 2.7kWh/day in April 2017 and eliminated all AM and PM energy peaks. For 12 days in April we achieved 0.0kWh/day Grid-Buy.