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840 Fuel Cell Test System


840 Advanced Fuel Cell Test System은 연료 전지 연구 및 대학 교육 프로그램을 위한 턴키 테스트 스테이션입니다. 840은 통합된 벤치탑 장치로  컴퓨터에서 완전한 제어가 가능하며 소형에서 대형 싱글 셀 또는 숏스택과 함께 사용하도록 설계되었습니다.


모델 840은 최대 12 SLPM의 가스 유량을 필요로 하는 응용 분야를 대상으로 하며 검증된 850 연료 전지 테스트 스테이션을 기반으로 합니다. 840은 RH 사이클링에 이상적인 넓은 범위의 정확한 유량 제어를 위해 애노드와 캐소드 각각 두개의 MFC 가 있습니다. 또한 애노드 및 캐소드 가스를 3개 중 한개를 선택할 수 있는 소프트웨어로 제어되는 입력 가스 선택 밸브와 추가 전압 및 온도 측정을 위한 16채널 데이터 수집 모듈이 포함되어 있습니다.


840은 정확하고 광범위한 전류 측정을 위해 Scribner의 890 다중 범위 전자 로드를 사용합니다. 또한  840에는 스테이션 작동 및 실험을 제어하기 위한 업계에서 가장 강력하고 사용자 친화적인 애플리케이션 소프트웨어인 FuelCell®이 함께 제공됩니다.

 Features


  • Ideal for large area single cell cells & short stacks
  • 890 Electronic Load: 500W (12/62/125A or 25/125/250A) or 1 kW (50/250/500A), 20 V
  • 892 Data Acquisition Module: 16 channels of voltage/temperature measurement integrated with FuelCell® software
  • Dual Anode & Cathode mass flow controllers for enhanced accuracy over wide flow range
  • Gas Selector Valves for Automated Switching between up to 3 Anode and 3 Cathode Gases
  • Automated humidifier by-pass for wet/dry cycling
  • Large capacity Anode & Cathode SS humidifiers with automatic water fill
  • Flexible SS temperature controlled heated gas transfer lines
  • FuelCell® software for user-friendly computer controlled cell operation & experimentation
  • Constant or stoichiometric-controlled reactant flow rate
  • Current, voltage or power control modes
  • Continuous real time cell resistance and IR-free voltage measurement by Current Interrupt
  • Whole cell voltage plus two high-impedance reference inputs for half-cell data
  • Impedance spectroscopy & HFR option
  • Safety features include detection of alarm conditions and automatic hardware shutdown for safe, reliable operation

Products                                                               Description

Heated CuffsFor cell fixture interconnect fittings
HTBPHigh temperature back pressure module
Auto BPAutomatic back pressure module
881 FRAIntegrated FRA for High Frequency Resistance (HFR) and Electrochemical Impedance Spectroscopy (EIS) measurement from 1 mHz to 10 kHz
Gas Mixing MFC’sAdditional MFCs for gas mixing on anode & cathode
Dual Area Cell FixtureTest fixture for PEM / DMFC
DI Water TankSimple solutions for pressurized delivery for existing DI/RO water source


Specifications:                                                   Details

Electronic Load:
Maximum Load Current:5/25/50 A; 10/50/100 A; 12/62/125 A; 25/125/250 A (config. dependent)
Maximum Load Power:125 W or 500 W (configuration dependent)
Minimum Load Resistance:< 2 mΩ (100 mV @ 50 A at load terminals)
Current Resolution:1 mA at low currents – up to 100 mA (current setting dependent)
Current Accuracy:±0.3% of full scale current of selected range
Voltage Measurement and Data Acquisition:
Max. Whole Cell Voltage:20 V Max
Reference Electrode Voltage:9.999 V
Voltage Resolution:1 mV
Voltage Accuracy:±3 mV ±0.3% of reading
Voltage & Current Data Update Rate100 Hz
Whole Cell Sense Input Resistance:> 35 kΩ
Reference Electrode Input Resistance:> 109 Ω
Impedance Analyzer (Optional 880):
Internal Impedance Analyzer Type:Single sine, one generator and two gain/phase measurement channels
Internal Analyzer Frequency Range:1 mHz to 10 kHz
Measurement Channels:Three: whole cell plus two half cell vs. Reference Electrode
Reactant Gas Control System:All 316 SS construction (humidifiers, flow path, valves and mass flow controllers) with Swagelok® fittings Temperature controlled reactant transfer lines
Mass Flow Control:Dual, software controlled mass flow controllers per channel, Anode: 6 SLPM (1 + 5 SLPM), Cathode: 12 SLPM (2 + 10 SLPM). Other sizes available on request. Automatic N2 purge valves
Alarm Inputs:Gas supply pressures (3), humidifier water levels (2), external (1), system alarm output (1)
Backpressure Control (Optional):Manual or Automatic: 0 – 3 atm (0 – 30 PSIG). High Capacity: forced air condensers with large tanks and SS regulators.
Temperature Controllers:Five: cell, anode humidifier, anode line, cathode humidifier, cathode line Set & Report Accuracy: ±0.25% of span, ±1 least significant digit Sensor Type: Thermocouple, Type T for cell (Type K optional for high temperature)
Humidifiers:Dual sparger-type, passivated 316L, 1650 W heaters per bottle
Temperature Range:Ambient to 99 °C Fill Method: Automatic water fill. Requires 3 atm (45 PSIG) minimum water feed or 1.4 atm (20 PSIG) above back pressure
Environment:
Operating Temperature:5 to 35 °C
Power Source:220-240 V, 50-60 Hz, 20 A
Enclosure Type:
Single Bench Top Enclosure Size and Weight:91 cm H x 61 cm W x 61 cm D (+ 41 cm for heated gas lines), 55 kg 36” H x 24” W x 24” D (+ 16” for heated gas lines), 120 lb.
Safety Features:Automatic shutdown and N2 purge on under-voltage, over-current, over-temperature, loss of reactant or purge gas pressure, low water, communications failure or external alarm, Emergency Stop switch for manual operator shutdown

Specifications given for 25 °C ambient temperature unless otherwise noted.