US 12,424,865 B2
Method for controlling battery pack in hybrid energy storage state based on light intensity
Faping Zhong, Shenzhen (CN); Mingxing Tang, Shenzhen (CN); and Peihong Zhao, Shenzhen (CN)
Assigned to National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd, Shenzhen (CN)
Appl. No. 18/557,028
Filed by National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd, Shenzhen (CN)
PCT Filed Sep. 6, 2023, PCT No. PCT/CN2023/117230
§ 371(c)(1), (2) Date Oct. 24, 2023,
PCT Pub. No. WO2024/169166, PCT Pub. Date Aug. 22, 2024.
Claims priority of application No. 202310131423.6 (CN), filed on Feb. 17, 2023.
Prior Publication US 2025/0088022 A1, Mar. 13, 2025
Int. Cl. H02J 7/00 (2006.01); G06T 7/90 (2017.01); H01M 10/44 (2006.01); H02J 3/32 (2006.01); H02J 3/38 (2006.01); H02J 7/35 (2006.01)
CPC H02J 7/00712 (2020.01) [G06T 7/90 (2017.01); H01M 10/441 (2013.01); H02J 3/32 (2013.01); H02J 3/38 (2013.01); H02J 7/00047 (2020.01); H02J 7/0013 (2013.01); H02J 7/0047 (2013.01); H02J 7/35 (2013.01); G06T 2207/10024 (2013.01); H02J 2207/20 (2020.01); H02J 2300/24 (2020.01)] 12 Claims
OG exemplary drawing
 
1. A battery pack control method in a mixed storage state based on light intensity, which is characterized by including the following steps:
S1: detecting a status of multiple energy storage battery packs in real time
wherein, if the status of multiple energy storage battery packs is in a standby state, go to S2;
wherein, if the status of multiple energy storage battery packs is in a charging state, go to S3;
wherein, if the status of multiple energy storage battery packs is in a discharge state, go to S4;
wherein, if the status of multiple energy storage battery packs is in a simultaneous charge-discharge state, go to S5;
S2: detecting a lighting situation by calculating a light intensity coefficient value and a set threshold, and determining whether a PV photovoltaic power generation power supply is working, and adjusting a DC side standby voltage of a DC-AC inverter device PCS,
wherein after S2, go to S6:
S3: sending, via a control unit, a control signal PWM for forward charging control a IGBT T-ci through an IGBT controller, and dynamically adjusting and suppressing a charging power by adjusting a duty cycle,
wherein after S3, go to S6;
S4: sending, via the control unit, the duty cycle corresponding to the control signal PWM for discharging control a IGBT T-d through the IGBT controller, and dynamically adjusting the DC side of the DC-AC inverter device PCS,
wherein after S4, go to S6;
S5: based on the size of an output power Po and an input power Pi, adjusting the charging or discharging of an energy storage battery pack BAT,
wherein after S5, go to S6;
S6: returning to S1.