Generator system utilizing a fuel cell

Claim 3

A method as claimed in claim 1, wherein said step of performing said first adjustment includes a step of converting the DC power delivered from said battery into the AC power which is supplied to said load.

Claim 4

A method as claimed in claim 1, wherein the response of said fuel cell in the case of the sudden variation in load is delayed in time by an integrator.

Claim 5

A method as claimed in claim 1, wherein said step of performing said second adjustment includes a step of detecting the power to be supplied to said load.

Claim 6

A method as claimed in claim 4, wherein the power to be supplied to said load is detected by an AC transducer.

Claim 7

A method as claimed in claim 1, wherein said step of performing said second adjustment includes a step of setting the power to be charged into said battery.

Claim 8

A method as claimed in claim 1, wherein said step of performing said second adjustment includes a step of converting the DC power delivered from said battery into the AC power which in turn is supplied to said load.

Claim 9

A method as claimed in claim 1, wherein the control of the adjustment of the supply of the power to said load from said fuel cell is accomplished by a controller for auxiliary devices.

Claim 10

A method as claimed in claim 8, wherein said controller for auxiliary devices comprises an arithmetic unit, a pluse width modulator and power elements.

Claim 11

A method as claimed in claim 9, wherein said arithmetic unit comprises a function generator in the form of a CPU, an operational amplifier and one or more resistors.

Claim 12

A generator system having a fuel cell and a battery to which the output current from said fuel cell can be supplied, comprising: a first adjustment means for adjusting the output current derived from said fuel cell; a second adjustment means for adjusting the output current generated in said fuel cell; a converter means for converting the DC power supplied from said first adjustment means and said battery into the AC power to be supplied to a load; a first detector means for detecting the power supplied to said load from said converter means; a second detector means for detecting the power supplied to said second adjustment means from the output side of said first adjustment means; a setting means for setting a power to be charged to said battery; an arithmetic means for calculating the detection signal representative of the power to be supplied to said load from said first detector means into the value prior to be supplied to said converter means; an adder means for adding the output signal derived from said arithmetic means, the setting signal derived from said setting means and the detection signal derived from said second detector means; a first controll means for controlling said first adjustment means in response to the output derived from said adder by delaying a time interval corresponding to the delay in response of said fuel cell; and a second controll means for controlling said second adjustment means in response to the output from said adder means.

Claim 13

A generator system having a fuel cell and a battery to which the output current from said fuel cell can be supplied, comprising: a first adjustment means for adjusting the output current derived from said fuel cell; a second adjustment means for adjusting the output current generated in said fuel cell; a converter means for converting the DC power supplied from said first adjustment means and said battery into the AC power to be supplied to a load; a first detector means for detecting the power supplied to said load from said converter means; a second detector means for detecting the power supplied to said second adjustment means from the output side of said first adjustment means; a setting means for setting a power to be charged to said battery; an arithmetic means for calculating the detection signal representative of the power to be supplied to said load from said first detector means into the value prior to be supplied to said converter means; an adder means for adding the output signal derived from said arithmetic means, the setting signal derived from said setting means and the detection signal derived from said second detector means; a first controll means for controlling said first adjustment means in response to the output derived from said adder by delaying a time interval corresponding to the delay in response of said fuel cell; and a second controll means for controlling said second adjustment means in response to the output from said adder means.

Claim 14

A generator system as claimed in claim 11, wherein said second adjustment means includes an air blower for supplying reaction air to said fuel cell.

Claim 15

A generator system as claimed in claim 11, wherein said converter means has an inverter.

Claim 16

A generator system as claimed in claim 11, wherein each of said first and second detector means has an AC transducer.

Claim 17

A generator system as claimd in claim 11, wherein said arithmetic means has a function generator in the form of a CPU and a divider.

Claim 18

A generator system as claimed in claim 11, wherein said first control means has a fuel-cell-current detector, an integrator and an adder.

Claim 19

A generator system as claimed in claim 16, wherein said fuel-cell-current detector has a Hall current transformer.

Claim 20

A generator system as claimed in claim 11, wherein said second control means comprises an arithmetic unit, a pluse-width modulator and power elements.

Claim 21

A generator system as claimed in claim 18, wherein said arithmetic unit has a function generator in the form of a CPU, an operational amplifier and one or more resistors.