Test Systems
 
 
PS-R™ Reformate Option
PS-R™ Reformate OptionFuel Cell Testing For Reformer Based Applications
Simulate the Most Complex Reactant Gas Mixtures
Six Independent Gas Lines

The PS-R™ gas management unit enables fuel cell and electrochemical testing of complex variable reactant gas mixtures for PEM, alkaline, and phosphoric acid fuel cells. It provides capacity for single cells and fuel cell stacks. Fully integrated with the Power Station™, it allows total control of input and output gas for all your fuel cell testing needs.


Key Features

  • Precision automated gas supply, product water collection and effluent management
  • Convenient front panel access to manual controls, and output and return gas fittings
  • Safety designed in through hardware features and software control
Gas Management Module
  • Up to 50 psig operation
  • Manual backpressure regulators
  • NEMA rated solenoid valves Normally closed on reactant lines (for safety) Normally open on purge lines (for safety)
  • Reactant lines separated by leakfree solenoid valves
  • Strategically located check valves prevent back-flow of reactant gases
  • Two fuel gas lines
  • Two oxidant gas lines
  • Precision, all stainless steel mass flow controlers (same as those used in the semiconductor industry)
  • Under programmed control of the Power Station™ Gas flow accuracy +/- 1% of full scale Gas flow precision +/- 0,2% of full scale Gas flow resolution 0,1% of full scale
  • Seamless #316 stainless steel tubing throughout
   
Electronic load
  • Power: 800 Watts (8”W x 5.25”H 22”D, ca. 40kg) 2000 Watts (19”W x 5.25”H 22”D) 4000 Watts (19”W x 8”H 22”D)
  • Selectable Voltage: 0-10, 0-20, and 0-50 Volts
  • Selectable Current: 0-2, 0-20, and 0-150 Amps
  • Constant Current and Voltage Mode: Accuracy: ± 0,25% FS for med/high ranges ± 0,50% FS for low range Resolution: 1/4000 of full scale
  • Constant Power Mode: Accuracy: ± 3% FS for all ranges Resolution: 0,25% of full scale
  • Digital Front Panel Display
  • Expandable to Second Load in Parallel
  • Digital Interface via IEEE-488
  • Manual or Computer Controlled Operation
  • Convenient Front Panel Connection (800W Load)
  • Current and Voltage Performance*
    800W Current - Up To 50A at 0,1V Up To 150A at 0,4V Voltage 0 to 50V
    2000W Current - Up To 150A at 0,1V Up To 500A at 0,4V Voltage 0 to 50V
    4000W Current - Up To 250A at 0,1V Up To 1000A at 0,4V Voltage 0 to 50V
    *Higher Voltage Options Available
   
"State of the Art" Humidification Control
  • Proprietary design
  • Dual reservoir construction
  • Complete saturation at 75°C and 2 liters/min.
  • No erratic flow or water slugs in gas supply to cell.
  • Front panel sight tubes indicate water level
  • Contact thermostats provide high temperature automatic cutoff for safety (automatically reset)
  • Controlled by PID temperature control algo- rithm (parameters set in Power Station Soft- ware)
  • Easy refill of water reservoirs
  • All stainless steel construction
   
Integrated Software for Safety and Flexibilty System Control Features
  • Integral to the Power Station™
    • Not based on general purpose lab test software
    • Not adapted from battery test
    • Not modified from a 3rd party product
  • Safety Designed In - for Unattended Operation
  • Quick and Easy Test Configuration
  • Real-Time Graphic Data Output
  • User Friendly Graphic User Interface

For detailed software information, please check the PowerStation file.



PS-R™ Reformate Option

  • Independent Control of Each Mass Flow Controller
  • Pressure switches sense gas supply pressure defines safe operation for reactant and purge gas supplies
  • Pressure transducers sense back pressure - senses gas leak for safety shutdown
  • PID Temperature control software provides precision temperature control of humidifiers and fuel cells
  • PS Interface monitors cell voltage and refer-ence cell voltage directly
  • PS Interface monitors backpressure of anode and cathode
  • Watchdog timers monitors computer activity


PS-R™ Reformate Option
   
Gas Flow control  
   
Unsurpassed Gas Flow Control
  • 50 psig operation
  • Automatic water traps empty without losing pressure
  • Manual backpressure regulators
  • NEMA rated solenoid valvesNormally closed on reactant lines (for safety)Normally open on purge lines (for safety)
  • Reactant lines separated by leak-free solenoid valves
  • Strategically located check valves prevent back-flow of reactant gases
  • Precision, all stainless steel mass flow controllers (same as those used in the semiconductor industry)
  • Under programmed control of the Power Station™
    Gas flow accuracy +/- 1% of full scale
    Gas flow precision +/- 0,2% of full scale
    Gas flow resolution 0,1% of full scale
  • Seamless #316 stainless steel tubing throughout
   
PS-R™ Reformate Option
Temperature Control Schematic
(Temperature control is not an explicit function of the PS-DR™. It is a function of the Power Station™ System Controller, the optional GTL™ gas transfer lines. Details of a typical configuration is shown below.)
PS-R™ Reformate Option


System Control Features

  • Pressure switches sense gas supply pressure - defines safe operation for reactant and purge gas supplies
  • Pressure transducers sense back pressure - senses gas leak for safety shutdown
  • Reactant solenoid valves are individually activated for flexible use
  • Safe shutdown under several user selectable criterion
  • Safe shutdown from power loss or computer crash
 
PS-R™ Reformate Option
 

PS-R™ Reformate Option

Specifications
Pressure Maximum Operating Pressure 50 psig (4.5 Bar)
Mass Flow Controllers Full Scale Ranges Available 10 to 20000 sccm
Control Range 2% to 100% of Full Scale
Accuracy +/-1% of Full Scale
Repeatability +/-0,2% of Full Scale
Resolution 0,1% of Full Scale
Wetted Materials 316L SS, Viton™, Nickel
Physical Characteristics 17 1/2” W x 12 1/4” H x 18 1/2” D
(44 cm x 31 cm x 47 cm)
110 lbs. (50 kg)
Gas Connections 1/4” Swagelok™ Tubing Connectors
Front Panel
Output Reactant Gases to Fuel Cell (6)
Reactant Return Gases from Fuel Cell (2)
Ports for Refill of Humidifier Bottles (2)
Rear Panel Input Reactant Gases (6)
Input Purge Gas (1)
Output Venting of Reactant Gases (2)
Output Product Water to Drain (2)
Electronic load Power: 800 Watts (also available 2000W or 4000W)Selectable Voltage: 0-10, 0-20, and 0-50 VoltsSelectable Current: 0-2, 0-20, and 0-150 AmpsConstant Current and Voltage Mode: Accuracy: ± 0,25% FS for med/high ranges ± 0,50% FS for low range Resolution: 1/4000 of full scaleConstant Power Mode: Accuracy: ± 3% FS for all ranges Resolution: 0,25% of full scale
Electrical Requirements All power and control connections provided by Power Station™Control Unit



     
         
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QuinTech
Fuel Cell Technology
Danziger Straße 8
DE-73035 Goeppingen

phone +49 (0)71 61 / 94 63 18
fax +49 (0)71 61 / 94 63 19
e-mail: testsystems@quintech.de