(19)
(11)EP 3 512 018 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
11.12.2019 Bulletin 2019/50

(43)Date of publication A2:
17.07.2019 Bulletin 2019/29

(21)Application number: 19150670.8

(22)Date of filing:  08.01.2019
(51)International Patent Classification (IPC): 
H01M 8/04858(2016.01)
H02J 1/00(2006.01)
H01M 8/04223(2016.01)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30)Priority: 11.01.2018 US 201815869025

(71)Applicant: Cummins Enterprise LLC
Indianapolis, IN 46024 (US)

(72)Inventors:
  • TEICHMANN, Ralph
    Niskayuna, NY New York 12309 (US)
  • WANG, Honggang
    Niskayuna, NY New York 12309 (US)

(74)Representative: Bradley, Josephine Mary 
Marks & Clerk LLP 40 Torphichen Street
Edinburgh EH3 8JB
Edinburgh EH3 8JB (GB)

  


(54)SYSTEMS AND METHODS FOR POWER GENERATION USING FUEL CELLS


(57) A fuel cell based power generation system 101 is presented. The fuel cell based power generation system 101 includes a fuel cell assembly 102 configured to generate a DC power, at least one assembly switching element 104 configured to operatively couple the fuel cell assembly 102 to a first DC bus 106, at least one converter 110 coupled between the first DC bus 106 and an electrical grid 114, a plurality of auxiliary loads 108 operatively coupled to the first DC bus 106 at a location between the at least one assembly switching element 104 and the at least one converter 110, where at least one of the plurality of auxiliary loads 108 is configured to receive power from the fuel cell assembly 102 via the at least one assembly switching element 104, and a controller 112 operatively coupled to the at least one converter 110, where the controller 112 is configured to allow a voltage of the first DC bus 106 to fluctuate within a range of voltage values.







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