Method and system for verification, calibration and simulation of a fuel cell test station

• US 7,194,367 B2
• Filed: 05/16/2003
• Issued: 03/20/2007
• Est. Priority Date: 05/17/2002
• Status: Active Grant

• Current Assignee: Hydrogenics Corporation (Cummins Incorporated)
• Original Assignee: Greenlight Power Technologies Incorporated (Algonquin Power & Utilities Corp.)
• Inventors: Baker, Marek
• Primary Examiner(s): Bui; Bryan
• Assistant Examiner(s): LE, JOHN H
• Application Number:
  US10/439,308
• Publication Number:
  US 20040005486A1
• Time in Patent Office: 1,404 Days
• Field of Search: 702/63, 702/85, 702/98, 702/99, 702/100, 702/104, 702/108, 702/113, 702/182, 73/614.1, 73/617.6, 429/3, 429/17, 429/22, 429 33- 34, 429/42, 429/78, 429/19, 324/434
• US Class Current: 702/85
• CPC Class Codes: H01M 8/04029 Heat exchange using liquids
• CPC Class Codes: H01M 8/04089 of gaseous reactants
• CPC Class Codes: H01M 8/04305 Modeling, demonstration models of fuel cells, e.g. for training purposes
• CPC Class Codes: H01M 8/04328 of anode reactants at the inlet or inside the fuel cell
• CPC Class Codes: H01M 8/04335 of cathode reactants at the inlet or inside the fuel cell
• CPC Class Codes: H01M 8/04388 of anode reactants at the inlet or inside the fuel cell
• CPC Class Codes: H01M 8/04395 of cathode reactants at the inlet or inside the fuel cell
• CPC Class Codes: H01M 8/04417 of the coolant
• CPC Class Codes: H01M 8/04447 of anode reactants at the inlet or inside the fuel cell
• CPC Class Codes: H01M 8/04507 of cathode reactants at the inlet or inside the fuel cell
• CPC Class Codes: H01M 8/04552 of the individual fuel cell
• CPC Class Codes: H01M 8/04559 of fuel cell stacks
• CPC Class Codes: H01M 8/04582 of the individual fuel cell
• CPC Class Codes: H01M 8/04589 of fuel cell stacks
• CPC Class Codes: H01M 8/04708 of fuel cell reactants
• CPC Class Codes: H01M 8/04723 of the coolant
• CPC Class Codes: H01M 8/04753 of fuel cell reactants
• CPC Class Codes: H01M 8/04768 of the coolant
• CPC Class Codes: H01M 8/04835 of fuel cell reactants
• CPC Class Codes: H01M 8/0612 from carbon-containing material
• CPC Class Codes: Y02E 60/50 : Fuel cells

Abstract

A method and system for calibrating a fuel cell test station. The fuel cell test station has an interface for connection to at least one of a fuel cell, a fuel cell stack and a fuel processor to measure a plurality of physical characteristics associated therewith to obtain a plurality of station measurements. The method and system involve: (a) concurrently measuring the plurality of physical characteristics to obtain a plurality of measurements; (b) storing the plurality of measurements; and, (c) comparing the plurality of measurements with the plurality of station measurements to obtain an aggregate calibration of the fuel cell test station.

Claims

1. A system for calibrating a fuel cell test station, the fuel cell test station having an interface for connection to at least one of a fuel cell, a fuel cell stack and a fuel processor to measure a plurality of physical characteristics associated therewith to obtain a plurality of station measurements, the system comprising:

(a) a plurality of inlets for connecting to a plurality of interface outlets of the interface to receive a plurality of inflows therefrom;

(b) a plurality of outlets for connecting to a plurality of interface inlets of the interface for discharging a plurality of outflows thereto;

(c) a plurality of sensors associated with the plurality of inlets and plurality of outlets for measuring the plurality of physical characteristics of the plurality of inflows and the plurality of outflows to obtain a plurality of measurements for comparison with the plurality of station measurements; and

,

(d) a data processor for receiving and storing the plurality of measurements from the plurality of sensors and for comparing the plurality of measurements with the plurality of station measurements, the data processor being connected to the plurality of sensors by data transfer means.

2. The system as defined in claim 1 wherein

the plurality of outlets comprise a current supply means for supplying a current to the interface;

and,

the plurality of sensors comprise current control means for controlling the current and voltage control means for controlling a voltage of the current.

3. The system as defined in claim 1 further comprising a mobile platform for moving the system.

4. The system as defined in claim 3 wherein the mobile platform is a cart.

5. The system as defined in claim 1 wherein

the plurality of inlets comprise a fuel inlet and a oxidant inlet;

the plurality of outlets comprise a fuel outlet and a oxidant outlet;

the plurality of physical characteristics comprises at least one fuel characteristic and at least one oxidant characteristic;

the plurality of measurements comprises at least one fuel measurement and at least one oxidant measurement; and

,

the plurality of sensors comprises at least one fuel sensor for measuring the at least one fuel characteristic to provide the at least one fuel measurement and at least one oxidant sensor for measuring the at least one oxidant characteristic to provide the at least one oxidant measurement.

6. The system as defined in claim 5 wherein

the at least one fuel sensor is selected from the group comprising a fuel temperature sensor, a fuel humidity sensor, a fuel flow rate sensor and a fuel pressure sensor;

and,

the at least one oxidant sensor is selected from the group comprising an oxidant temperature sensor, an oxidant humidity sensor, an oxidant flow rate sensor and an oxidant pressure sensor.

7. The system as defined in claim 6 wherein

the plurality of inlets comprise a coolant inlet;

the plurality of outlets comprise a coolant outlet in fluid communication with the coolant inlet;

the plurality of physical characteristics comprises at least one coolant characteristic;

the plurality of measurements comprises at least one coolant measurement; and

,

the plurality of sensors comprises at least one coolant sensor for measuring the at least one coolant characteristic to provide the at least one coolant measurement.

8. The system as defined in claim 7 wherein the at least one coolant sensor is selected from the group comprising a coolant temperature sensor, a coolant conductivity sensor, a coolant flow rate sensor and a coolant pressure sensor.

9. The system as defined in claim 1 further comprising a plurality of instruments for controlling a plurality of controllable characteristics of the plurality of outflows.

10. The system as defined in claim 9 wherein the data processor is connected to the plurality of instruments by the data transfer means and is operable to control the plurality of instruments to control the plurality of controllable characteristics of the plurality of outflows.

11. The system as defined in claim 10 wherein

the plurality of outlets comprise a fuel outlet and a oxidant outlet;

the plurality of controllable characteristics comprises at least one controllable fuel characteristic and at least one controllable oxidant characteristic; and

,

the plurality of instruments comprises at least one fuel instrument for controlling the at least one controllable fuel characteristic and at least one oxidant instrument for controlling the at least one controllable oxidant characteristic.

12. The system as defined in claim 11 wherein

the at least one fuel instrument is selected from the group comprising a fuel heater, a fuel humidifier, a fuel flow controller and a fuel pressure controller;

and,

the at least one oxidant instrument is selected from the group comprising an oxidant heater, an oxidant humidifier, an oxidant flow controller and an oxidant pressure controller.

13. The system as defined in claim 12 wherein

the plurality of outlets comprise a coolant outlet;

and

the plurality of controllable characteristics comprises at least one controllable coolant characteristic.

14. The system as defined in claim 13 wherein the at least one coolant instrument is selected from the group comprising a coolant heater and a coolant flow controller.

15. A method of calibrating a fuel cell test station, the fuel cell test station having an interface for connection to at least one of a fuel cell, a fuel cell stack and a fuel processor to measure a plurality of physical characteristics associated therewith to obtain a plurality of station measurements, method comprising:

(a) receiving a plurality of inflows from a plurality of interface outlets of the interface;

(b) providing a plurality of outflows from a plurality of interface inlets of the interface;

(c) concurrently measuring the plurality of physical characteristics of the plurality of inflows and the plurality of outflows to obtain a plurality of measurements;

(d) storing the plurality of measurements; and

,

(e) comparing the plurality of measurements with the plurality of station measurements to obtain an aggregate calibration of the fuel cell test station.

16. The method as defined in claim 15 further comprising controlling a plurality of controllable characteristics of the plurality of outflows to simulate a fuel cell.

17. The method as defined in claim 16 further comprising defining a virtual fuel cell on the data processor by specifying a plurality of values for the plurality of controllable characteristics of the plurality of outflows wherein the data processor is connected to the plurality of instruments by the data transfer means and is operable to control the plurality of instruments to control the plurality of controllable characteristics of the plurality of outflows.