400 300 200 100

Time

Fig. 4 Primary energy consumption of WRGA (with FC waste heat recovery) (August 13, 1996)

\o oo o CS Tj- VO oo

Time

Fig. 5 Primary energy consumption of WRGA (without FC waste heat recovery) (August 14, 1996)

Conclusion

Demonstration tests of cogeneration in which the high-teinperature waste heat of fuel cells is utilized in WGAR proved the stability and effectiveness of the system. Tokyo Gas will actively study the introduction of this system.

References

1. Hiroshi Kojima, "Development of gas absorption chiller heater with auxiliary waste heat recovery", international gas research conference, 1996.

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