Energy management system, industrial plant comprising an energy management system and method for operating an energy management system

Abstract

An energy management system includes a control unit and an electrolysis system having an alkaline electrolysis unit and a PEM electrolysis unit. The control unit controls the electrolysis units independently of one another in such a way that a performance adjustment of an overall performance of the electrolysis system is particularly dynamic.

1 - 13 . (canceled) 
     
     
         14 . An energy management system, comprising:
 an electrolysis system having an alkaline electrolysis unit and a PEM electrolysis unit; and   a control unit configured to control said electrolysis units independently of one another with respect to an adjustment of an overall performance of said electrolysis system.   
     
     
         15 . The energy management system according to  claim 14 , wherein said control unit is configured to initially vary a performance of said PEM electrolysis unit for said adjustment of said overall performance of said electrolysis system. 
     
     
         16 . The energy management system according to  claim 14 , wherein said alkaline electrolysis unit is configured to be operated in a performance range between 25% and 100% of a nominal performance. 
     
     
         17 . The energy management system according to  claim 14 , wherein said alkaline electrolysis unit has an adaptation time for performance adjustment in the minute range. 
     
     
         18 . The energy management system according to  claim 14 , wherein said alkaline electrolysis unit has an adaptation time for performance adjustment in a range between 1 min and 5 min. 
     
     
         19 . The energy management system according to  claim 14 , wherein said PEM electrolysis unit is configured to be operated in a performance range between 0% and 300% of a nominal performance. 
     
     
         20 . The energy management system according to  claim 14 , wherein said PEM electrolysis unit has an adaptation time for performance adjustment in the seconds range. 
     
     
         21 . The energy management system according to  claim 14 , wherein said PEM electrolysis unit has an adaptation time for performance adjustment in a range between 1 s and 30 s. 
     
     
         22 . The energy management system according to  claim 14 , wherein said alkaline electrolysis unit has a performance between 100 kW and 100 MW. 
     
     
         23 . The energy management system according to  claim 14 , wherein said alkaline electrolysis unit has a performance between 100 kW and 5 MW. 
     
     
         24 . The energy management system according to  claim 14 , wherein said PEM electrolysis unit has a performance between 50 kW and 1 MW. 
     
     
         25 . The energy management system according to  claim 14 , wherein said PEM electrolysis unit has a performance between 50 kW and 500 kW. 
     
     
         26 . The energy management system according to  claim 14 , wherein the energy management system is a component of an industrial plant. 
     
     
         27 . An industrial plant, comprising:
 an energy management system according to  claim 14 .   
     
     
         28 . The industrial plant according to  claim 27 , wherein said electrolysis system of said energy management system produces at least one electrolysis product to be used in a technological process. 
     
     
         29 . The industrial plant according to  claim 28 , wherein said at least one electrolysis product is hydrogen. 
     
     
         30 . A method for operating en energy management system, the method comprising the following steps:
 providing an electrolysis system having an alkaline electrolysis unit and a PEM electrolysis unit; and   controlling the electrolysis units independently of one another with respect to an adjustment of an overall performance of the electrolysis system.   
     
     
         31 . The method according to  claim 30 , which further comprises initially varying a performance of the PEM electrolysis unit in the adjustment of the overall performance of the electrolysis system.