Alternating current electrolysis system, and method and device for controlling the same
AssigneeSungrow Hydrogen Sci. & Tech. Co., Ltd.
InventorsCai Jiang, Longlin Sun, Xing Zhang, Zixuan Guo
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Abstract
An alternating current electrolysis system, as well as a method and a device for controlling the alternating current electrolysis system are provided. The method includes: acquiring a voltage amplitude at an alternating current side of an electrolysis rectification power supply; and modifying an output parameter of the electrolysis rectification power supply based on the voltage amplitude. Compared with the conventional technology, the problem of oscillation of a power grid due to unbalanced power of the alternating current electrolysis system is effectively solved, thereby facilitating normal operation of a electrolysis station.
Claims20
A method for controlling an alternating current electrolysis system, comprising:
- acquiring an execution instruction for the electrolysis rectification power supply and an actual instruction at a previous cycle for the electrolysis rectification power supply;
- acquiring a voltage amplitude at an alternating current side of an electrolysis rectification power supply;
- and
- modifying an output parameter of the electrolysis rectification power supply based on the voltage amplitude;
- wherein the modifying of the output parameter comprises:
- setting a first threshold;
- modifying the output parameter of the electrolysis rectification power supply based on the execution instruction in response to the voltage amplitude being greater than the first threshold;
- and
- modifying the output parameter of the electrolysis rectification power supply to be less than or equal to an output parameter at the previous cycle in response to the voltage amplitude being less than the first threshold.
A device for controlling an alternating current electrolysis system, comprising:
- an instruction acquiring module configured to acquire an execution instruction for the electrolysis rectification power supply and an actual instruction at a previous cycle for the electrolysis rectification power supply;
- a voltage amplitude acquiring module configured to acquire a voltage amplitude at an alternating current side of an electrolysis rectification power supply;
- and
- an output parameter modifying module configured to modify an output parameter of the electrolysis rectification power supply based on the voltage amplitude;
- wherein the output parameter modifying module is further configured to:
- set a first threshold;
- modify the output parameter of the electrolysis rectification power supply based on the execution instruction in response to the voltage amplitude being greater than the first threshold;
- and
- modify the output parameter of the electrolysis rectification power supply to be less than or equal to an output parameter at the previous cycle in response to the voltage amplitude being less than the first threshold.
Dependencies are inferred from the claim text.