摘要:
A cogeneration system of the present invention includes: a power generation system (1) equipped with a power generator (11); waste heat utilization system (2) for recovering waste heat from the power generator (11), storing the heat, and utilize the waste heat as an effective output thermal energy; and a waste heat utilization promoting system for promoting utilization of the effective output thermal energy in the waste heat utilization system (12) to avoid a stop of the system associated with a heat storage amount reaching a full amount. A waste heat utilization promoting system (3) is equipped with a stop predicting function to predict an operation stop of the power generation system (1) by comparing a current operating state with a reference pattern and computing an operation sustainable time, and a stop warning function to give the user a warning of the operation stop with an image or sound according to stop prediction information obtained.
摘要:
A force sensation exhibiting device has a housing which can be grasped by a hand, at least one rotatably or linearly movable motor contained in the housing , an input section where repulsive force informations are input, and control circuit for driving and controlling said motor according to the repulsive force informations, wherein a force sensation is given to said hand by a drive of the motor.
摘要:
A model following control system for setting desirable characteristics of a plant using fuzzy sets is disclosed. An output from the reference model (2) is obtained for given input data. A difference between the output data of a plant (6) and the output data of the reference model (2) is input to a first high gain element (1). An output data of the first high gain element (1) is input to the reference model (2). A difference between the output data of the first high gain element (1) and a command data which is the target (R) is input as the input data to a second high gain element (5) and the plant (6) is controlled using the output data of the second high gain element (5).
摘要:
The present invention provides a fuel cell power generation system and method, which can realize, at least at one of time periods before the start of and after the end of power generation, a purging of an atmosphere of a fuel gas flow channel without using nitrogen. Further, it provides a fuel cell power generation system and method, in which a highly dense carbon monoxide can be prevented from flowing into the fuel cell. The fuel cell power generation system is so structured to comprise: a fuel gas generating means for generating a hydrogen-rich fuel gas from a source material having, as a main ingredient, a compound containing carbon and hydrogen; a source material supply source for supplying a source material to the fuel gas generating means; a fuel gas supply means for supplying the fuel gas from the fuel gas generating means to a fuel gas flow channel of a fuel cell at which channel a fuel electrode is placed; and a bypass means for supplying the source material from the source material supply source to the fuel gas flow channel of the fuel cell, bypassing the fuel gas generating means, where in at least at one of time periods before the start of and after the end of power generation, the source material, as a displacement gas, is injected into the fuel gas flow channel of the fuel cell via the bypass means.
摘要:
A power controller has power storage means of storing DC power outputted from DC power generation means that generates DC power; power conversion means including at least a DC/DC converter that converts a voltage when receiving a DC input; charge and discharge means of discharging electric power from the power storage means to the power conversion means and of charging DC power from the DC power generation means in the power storage means, the charge and discharge means being provided among the DC power generation means, the power storage means and the power conversion means; detection means of detecting electric energy of an external power load to which power from at least the power conversion means is supplied; and control means of controlling operation of the charge and discharge means on the basis of the detected electric energy.
摘要:
A fuel cell system comprises a reformer for reforming a feed material to generate a reformed gas containing hydrogen, a material feed means for feeding the feed material to the reformer, a heater for heating the reformer, a fuel cell for generating a power by reacting the reformed gas supplied from the reformer with an oxidizing gas, and a temperature detector for detecting a temperature at a predetermined position in the fuel cell system, and in a first antifreezing operation mode, when the detector detects a temperature which is not higher than a threshold, the feed material heated in the reformer by the heater is caused to flow through flow passages of the reformed gas.
摘要:
A fuel cell power generation system has inert gas supply means of supplying a particular inert gas at least to the reformer (1); and alternative gas supply means (6) of supplying an alternative gas other than the particular inert gas at least to the reformer, wherein when the operation of the fuel cell is stopped, the alternative gas supply means is used to discharge hydrogen rich gas staying at least in the reformer if the stop of the operation of the fuel cell is an ordinary stop, and the inert gas supply means is used to perform the discharge if the stop of the operation of the fuel cell is an emergency stop.
摘要:
The present invention provides a fuel cell power generation system and method, which can realize, at least at one of time periods before the start of and after the end of power generation, a purging of an atmosphere of a fuel gas flow channel without using nitrogen. Further, it provides a fuel cell power generation system and method, in which a highly dense carbon monoxide can be prevented from flowing into the fuel cell. The fuel cell power generation system is so structured to comprise: a fuel gas generating means for generating a hydrogen-rich fuel gas from a source material having, as a main ingredient, a compound containing carbon and hydrogen; a source material supply source for supplying a source material to the fuel gas generating means; a fuel gas supply means for supplying the fuel gas from the fuel gas generating means to a fuel gas flow channel of a fuel cell at which channel a fuel electrode is placed; and a bypass means for supplying the source material from the source material supply source to the fuel gas flow channel of the fuel cell, bypassing the fuel gas generating means, where in at least at one of time periods before the start of and after the end of power generation, the source material, as a displacement gas, is injected into the fuel gas flow channel of the fuel cell via the bypass means.
摘要:
A fuel cell power generation system has inert gas supply means of supplying a particular inert gas at least to the reformer (1); and alternative gas supply means (6) of supplying an alternative gas other than the particular inert gas at least to the reformer, wherein when the operation of the fuel cell is stopped, the alternative gas supply means is used to discharge hydrogen rich gas staying at least in the reformer if the stop of the operation of the fuel cell is an ordinary stop, and the inert gas supply means is used to perform the discharge if the stop of the operation of the fuel cell is an emergency stop.