Base Station Battery Dispatch for Fluctuating Power-Saving Requests
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Solution Overview
Problem
The demand for power saving requests from consumers can fluctuate rapidly, making it challenging for existing systems to continuously satisfy power saving requests due to changes in consumer load and power usage situations.
Innovation Solution
An electric power control system that divides time zones into units and selects consumers for power saving control based on the power saving request amount per unit time, performing discharge operations from storage batteries to flexibly respond to fluctuating power saving requests, ensuring that the power saving request is satisfied while considering the power usage situation of each consumer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If power saving control is applied to all consumers simultaneously, then the total power saving amount increases, but the system cannot flexibly respond to fluctuating power saving requests and may over-deplete storage battery capacity
Solution Approach 1:
The patent segments the power saving control by dividing the time zone into multiple unit times and selecting specific consumers for control in each unit time based on power usage situations. This segmentation allows the system to respond flexibly to fluctuating power saving requests while preventing over-depletion of storage battery capacity by controlling discharge operations on a per-consumer, per-unit-time basis.
2Reliability
If power saving control is applied continuously, then the power saving request is satisfied, but the storage battery capacity may be over-depleted and the power usage situation becomes unstable
Solution Approach 1:
The patent implements feedback control by continuously monitoring the power usage situation of each consumer and adjusting the power saving control accordingly. The control unit determines whether to perform discharge operations based on real-time power usage situations, ensuring that power saving requests are satisfied while maintaining stable power usage across consumers and preventing storage battery over-depletion.
3Speed
If the system selects consumers based on instantaneous power saving requests, then responsiveness improves, but the system cannot account for future power usage fluctuations and may fail to satisfy subsequent requests
Solution Approach 1:
The patent applies preliminary action by determining and controlling discharge operations in advance for selected consumers based on their power usage situations before the power saving request becomes critical. By selecting consumers and planning discharge operations proactively in each unit time, the system ensures both rapid response to power saving requests and continuous satisfaction of future requests while maintaining stable power usage.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for flexible and effective power saving responses to changing demand, ensuring that power saving requests are met without over-depleting storage battery capacity, thereby maintaining a stable power usage situation across multiple consumers.
Implementation Method 1
performs a discharge operation from the storage battery in the selected consumer to respond to the power saving request
Data Source
AI summary
An electric power control system (1) includes: a plurality of base stations (20) which are a plurality of consumers including a communication device (70) as a load, a rectifier (50) and a storage battery (60); and a control unit (2) controlling the rectifier (50) and the storage battery (60) in the plurality of consumers, and the system (1) performs a power saving operation in the plurality of consumers based on a power saving request. Here, the control unit (2) divides a time zone in which the power saving request is made into a plurality of unit times (intervals), selects a consumer to be subjected to power saving control from the plurality of consumers based on a power saving request amount per unit time, and performs a discharge operation from the storage battery (60) in the selected consumer, thereby responding to the power saving request.