Charging and discharging control device and method for storage battery providing multiple services
A charge and discharge control, battery technology, applied in battery circuit devices, secondary battery charge/discharge, arrangement of multiple synchronous batteries, etc. , to achieve large benefits, reduce electricity costs, reduce the burden of the effect
Active Publication Date: 2022-05-17
INSTITUTE FOR INFORMATION INDUSTRY
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Problems solved by technology
[0006] Because current batteries are only used to provide a single service, batteries are idle for many hours of the day
Since the current battery cannot be fully utilized, it is impossible for users to solve various power consumption problems to obtain greater benefits (that is, it is impossible to comprehensively consider how to reduce energy costs, reduce demand costs, and obtain feedback on demand response load reduction ), and cannot greatly reduce the burden on the power supply system of the power company during peak hours
Method used
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[0078] The charge and discharge control device and method provided by the present invention will be explained below through implementation. However, these embodiments are not intended to limit the present invention to be implemented in any environment, application or manner as described in these embodiments. Therefore, descriptions about the embodiments are only for the purpose of explaining the present invention, rather than limiting the scope of the present invention. It should be understood that in the following embodiments and drawings, elements that are not directly related to the present invention have been omitted and not shown, and the dimensions of each element and the ratio of dimensions between elements are for illustration only, and are not intended to limit the present invention range.
[0079] The first embodiment of the present invention is a power consumption system 1, the schematic diagram of its architecture is depicted in Figure 1A . The power consumption...
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A charging and discharging control device and method. The charge and discharge control device determines multiple discharge time intervals of a storage battery and a discharge power value for each discharge time interval according to a peak-shaving threshold value and a load prediction curve of the power circuit in an adjustment time interval, and according to a user standard The value and the load prediction curve determine multiple charging time intervals of the storage battery and a charging power value for each charging time interval. The peak-shaving threshold is between a contracted capacity and a peak value of the load prediction curve, and a difference between the peak value and the peak-shaving threshold is not greater than a maximum discharge power of the storage battery. The user reference value is between the contracted capacity and a valley value of the load forecast curve, and a difference between the user reference value and the valley value is not greater than a maximum charging power of the storage battery.
Description
technical field [0001] The invention relates to a charging and discharging control device and method. Specifically, the present invention relates to a charging and discharging control device and method for battery energy storage equipment (Battery Energy Storage System; BESS). Background technique [0002] Electricity charges charged by power companies to users generally include two categories, namely energy charge and demand charge. The electricity charge is the charge derived from the total electricity used by the user within a certain period of time (for example: one month's billing period), and its pricing unit is "kilowatt hour (kWh)", also known as "degree". With regard to electricity costs, power companies usually implement a time-of-day electricity price system (that is, set different electricity price rates for different time intervals), thereby guiding users to reduce electricity consumption during peak time intervals. In addition, the demand charge is the charge...
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IPC IPC(8): H02J3/32H02J7/00
CPCH02J3/32G06Q50/06H01M10/425H01M10/44H02J2310/64H02J2310/14H02J7/02H02J2207/20H02J3/14Y04S50/10Y02E60/10H01M10/441H02J7/0013G01R31/3644H02J7/0068H02J7/00036H02J7/0036
Inventor 吴瑞明
Owner INSTITUTE FOR INFORMATION INDUSTRY