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Characteristic on photovoltaic/thermal hybrid collector. Evaluation of excergetic theory; Taiyoko netsu hybrid collector no tokusei. Exergy ni yoru hyoka

Abstract

Described herein are characteristics of photovoltaic (PV)/thermal hybrid collectors (PV/Ts), in which a PV module is combined with a plate-shape solar heat collector to simultaneously produce electric power and heat. Their efficiency is assessed by exergy. The test results indicate that the PV/T system gives a 1.07 times higher exergy than the PV system, 86.3 versus 80.7kWh. In terms of energy, the optimum values (OVs) are 5, 44 and 37% lower than the measuring values (MVs) for electrical energy, thermal energy and total exergy. In terms of exergy, on the other hand, OV is 5% lower than MV for electrical energy, but 893 times higher for thermal energy and 1.26 times higher for total exergy. As a result, the exergy level is 26% higher than that of a system which generates power as the main product and heat as the auxiliary product. 3 refs., 6 figs., 5 tabs.
Authors:
Iwawaki, H; Morita, Y; Fujisawa, T; Tani, T [1] 
  1. Science University of Tokyo, Tokyo (Japan)
Publication Date:
Nov 25, 1997
Product Type:
Conference
Report Number:
ETDE/JP-98753622; CONF-9711143-
Reference Number:
SCA: 140600; 141000; PA: JP-98:0G1077; EDB-98:072491; SN: 98001948778
Resource Relation:
Conference: 1997 JSES/JWEA joint conference, Taiyo/furyoku energy koen, Aichi (Japan), 28-29 Nov 1997; Other Information: PBD: 25 Nov 1997; Related Information: Is Part Of Proceedings of JSES/JWEA Joint Conference (1997); PB: 454 p.; Taiyo/Furyoku energy koen ronbunshu (1997)
Subject:
14 SOLAR ENERGY; HYBRID SYSTEMS; PHOTOVOLTAIC CELLS; SOLAR COLLECTORS; EXERGY; ENERGY; ELECTRIC POWER; HEAT; PHOTOELECTRIC EFFECT; ENERGY CONVERSION; CARNOT CYCLE; INSOLATION
OSTI ID:
625353
Research Organizations:
Japan Solar Energy Society, Tokyo (Japan)
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Other: ON: DE98753622; TRN: JN98G1077
Availability:
Available from Japan Solar Energy Society, 44-14, Yoyogi 2-chome, Shibuya-ku, Tokyo,(Japan); OSTI as DE98753622
Submitting Site:
NEDO
Size:
pp. 245-248
Announcement Date:
Jul 30, 1998

Citation Formats

Iwawaki, H, Morita, Y, Fujisawa, T, and Tani, T. Characteristic on photovoltaic/thermal hybrid collector. Evaluation of excergetic theory; Taiyoko netsu hybrid collector no tokusei. Exergy ni yoru hyoka. Japan: N. p., 1997. Web.
Iwawaki, H, Morita, Y, Fujisawa, T, & Tani, T. Characteristic on photovoltaic/thermal hybrid collector. Evaluation of excergetic theory; Taiyoko netsu hybrid collector no tokusei. Exergy ni yoru hyoka. Japan.
Iwawaki, H, Morita, Y, Fujisawa, T, and Tani, T. 1997. "Characteristic on photovoltaic/thermal hybrid collector. Evaluation of excergetic theory; Taiyoko netsu hybrid collector no tokusei. Exergy ni yoru hyoka." Japan.
@misc{etde_625353,
title = {Characteristic on photovoltaic/thermal hybrid collector. Evaluation of excergetic theory; Taiyoko netsu hybrid collector no tokusei. Exergy ni yoru hyoka}
author = {Iwawaki, H, Morita, Y, Fujisawa, T, and Tani, T}
abstractNote = {Described herein are characteristics of photovoltaic (PV)/thermal hybrid collectors (PV/Ts), in which a PV module is combined with a plate-shape solar heat collector to simultaneously produce electric power and heat. Their efficiency is assessed by exergy. The test results indicate that the PV/T system gives a 1.07 times higher exergy than the PV system, 86.3 versus 80.7kWh. In terms of energy, the optimum values (OVs) are 5, 44 and 37% lower than the measuring values (MVs) for electrical energy, thermal energy and total exergy. In terms of exergy, on the other hand, OV is 5% lower than MV for electrical energy, but 893 times higher for thermal energy and 1.26 times higher for total exergy. As a result, the exergy level is 26% higher than that of a system which generates power as the main product and heat as the auxiliary product. 3 refs., 6 figs., 5 tabs.}
place = {Japan}
year = {1997}
month = {Nov}
}