Rotary Machine Startup Power Control Under Battery Abnormalities
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Solution Overview
Problem
The rotary machine in PTL 1 cannot be activated when a storage battery becomes abnormal, as there is no effective mechanism to cope with battery abnormalities.
Innovation Solution
A power generation system that includes a rotary machine, multiple storage batteries, a discharge control unit, and an abnormality detection unit. When an abnormality is detected in a storage battery, the discharge control unit supplies the necessary power from the grid to compensate for the faulty battery, while increasing the discharge power of other batteries to maintain system functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If power for rotary machine activation is supplied from multiple storage batteries, then the power supply reliability is improved, but when a battery becomes abnormal, the system cannot cope with the abnormality and the rotary machine cannot be activated
Solution Approach 1:
The system segments the power supply function by dividing it into multiple storage batteries, each capable of independent operation. When an abnormality is detected in one battery, the system can isolate that battery and continue operation using the remaining healthy batteries, thus maintaining power supply reliability while coping with abnormalities.
Solution Approach 2:
The control unit dynamically changes the operating parameters of the storage batteries based on their health status. When a battery is detected as abnormal, the system adjusts the discharge characteristics and power distribution parameters to compensate for the faulty battery, allowing the rotary machine to be activated using the remaining healthy batteries at modified operating conditions.
2Power
If the system increases discharge power of healthy storage batteries to cover for an abnormal battery, then the power generation capability is maintained, but the discharge control complexity increases
Solution Approach 1:
The system implements a feedback mechanism where the control unit continuously monitors the discharge state and health status of each storage battery. Based on this feedback, the control unit automatically adjusts the discharge power of healthy batteries to compensate for abnormal ones, maintaining overall power generation capability while managing control complexity through automated closed-loop control.
Data Source
AI summary
A power generation system comprises a rotating electric machine, a plurality of storage batteries, a discharge control unit for controlling the discharging of the plurality of storage batteries, and an abnormality detection unit for detecting abnormalities in the storage batteries. When the power used to start the rotating electric machine is supplied from the plurality of storage batteries by the discharging from the multiple storage batteries and the abnormality detection unit has detected an abnormality in a storage battery, the discharge control unit increases the power discharged by other storage batteries having no abnormalities detected so as to cover the discharge portion from the storage battery having the abnormality detected, after the discharge portion from the storage battery having the abnormality detected has been supplied from a grid.