Our Research


Two main Keywords of our research :


Slides of Concepts:

What is PV?
What is Sustainability?
The Areal Evolution of PV System

Very Large Scale PV System
An evaluation method of PV systems, Shophistitacted verification method
.
PV system composed by AC Module.
Idea of the Enhanced Energy Network and Concept of the Enhanced Energy Network.



Topics and achievements:

Study on evaluation method of PV system An Array simulation
An evaluation method, Sophisticated Verification (SV) method
An Array shading evaluation by using photogrammetry
A PV system integrated evaluation software
A grid connected PV system with battery
A Fluctuation characteristics of PV system
An estimation of potential of PV systems in Japan

Study on evaluation method of PV modules and cells An evaluation for PV modules on outside condtition
An evaluation of tandem PV cells on STC

Study on evaluation of irradiation An evaluation of irradiation
Farcasting mehod of irraidation by using satellite imagery

Study on stand-alone PV system A Stand-alone PV system

Study on power conditioner A new type AC inverter
A MPPT control
A Digital inverter

Study on protection of grid-conected PV system Operation Characteristics in Multiple Interconnection of Photovoltaic Power Generation System
An islanding protection
A Simulator for distribution grid

Study on very large PV system (VLS-PV) in desert Study on potential of Very-Large Scale Photovoltaic Power Generation System (VLS-PV)

New topics and concepts of PV Study on Recycling
A Reflection and Absorption PV module
A New solar simulator

New energy networks A Loop and mesh power flow system in utility



Projects:

"Study on very large scale photovoltaic power generation systems "

FY1999 -

have been one of PVPS Task, Task VIII, organized by IEA.

 

 

"Evaluation and survival of technology based Civilization"
FY2002-

was one of "21th COE project in Japan" promoted by Japan Society for the promotion of Science (JSPS) and Ministry of education, Culture, Sports, Science and techonology (MEXT)
We have mde up projcets called EsTeC.

 

 

"Research on Basic problems regarding regional Photovoltaic power characteristis"
FY1997-FY2000

New sunshine project, funded by New energy and industrial technology development organization (NEDO)
Photovoltaic Power Generation Technology Research Association (PVTEC) was entrusted with that and commissioned us for some studies.

 

 

"Development of an evaluation technology for Photovoltaic systems"
FY1998-2000
(project had been from FY1993 to FY2000)

New sunshine project, funded by New energy and industrial technology development organization (NEDO)
Japan Quality Assurance Organization (JQA) was entrusted with that and commissioned us for some studies.

 

 

"Technology Development on Performance and Durability of Photovoltaic Power Generation Systems"

FY2001-2005

 

 

New sunshine project, funded by New energy and industrial technology development organization (NEDO)
Agency of Industrial Science and Technology (AIST) and Japan Electrical Safety & Environment Technology Laboratories (JET) were entrusted with that and we have cooperated for the evaluation method, the SV method.

 

 

"Field test program of Photovoltaic systems"

FY1998-2000

 

 

New sunshine project, funded by New energy and industrial technology development organization (NEDO)
We evaluated PV systems by using monitoring data obtained in this program.

 

 

"Photovoltaic project in Kanto-area"
FY1998-FY2000

was projceted by Renewable Energy Promoting People's Forum (REPP) and Tokyo electric power company (TEPCO) and commissioned us for evaluating monitoring data. The collaboration project between NGO and electlic utility company.

 

 

"Photovoltaic project in Kushu-area"
FY1999-FY2005

was projceted by Renewable Energy Promoting People's Forum in West Japan (REPW) and Kushu electric power company and commissioned us for evaluating monitoring data.The collaboration project between NGO and electlic utility company.

 

 

"Clusterd Demonstrative Research on Clustered PV Systems"
FY2003-FY2007

funded by New energy and industrial technology development organization (NEDO)
Kandenko was entrusted with that and commissioned us for some studies. Our team are Kandenko, MEIDEN, Power technology systems, Shin-Kobe Electric machinery Co,. Ltd, Matsushita Ecolgy systems Co., Ltd, Omron, City of Ota, and TUAT.

 

 

"Regional Consortium R&D Program"
FY2000-FY2001

funded by New Energy and Industrial Technology Development Organization (NEDO) and by the Ministry of Economy, Trade and Indusrty (METI)