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公开(公告)号：US20250130280A1
公开(公告)日：2025-04-24
申请号：US18686891
申请日：2022-01-29
Applicant: ALTENERGY POWER SYSTEM INC.
Inventor： Yuhao LUO , Dongming ZHOU , Xuan ZHU , Wenwei LI , Houkun TAN , Zhenhuan ZHANG , Guowei MIAO
IPC: G01R31/327 , H02J3/38 , H02M1/36 , H02S50/00
Abstract: A method for testing and controlling a rapid shutdown device, and a tester are provided. The method includes: transmitting a heartbeat signal of first signal strength to a target rapid shutdown device in a target rapid shutdown module to switch the target rapid shutdown device on and testing the target rapid shutdown device using a preset testing program t, on receipt of a rapid shutdown device testing request, where all rapid shutdown devices in the target rapid shutdown module are previously off; and transmitting a heartbeat signal of second signal strength to the target rapid shutdown module to switch the rapid shutdown devices on or off, on receipt of a rapid shutdown device control request, where the first signal strength is lower than the second signal strength. The rapid shutdown devices can be tested and controlled efficiently, thereby effectively avoiding safety hazards and thus protecting workers.
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公开(公告)号：US20230344362A1
公开(公告)日：2023-10-26
申请号：US18016353
申请日：2020-09-23
Applicant: ALTENERGY POWER SYSTEM INC.
Inventor： Jian WU , Biaojie QI , Yongchun YANG , Yuhao LUO
IPC: H02M7/48 , H02M1/08 , H02M7/5387 , H02M1/00
CPC classification number: H02M7/4815 , H02M1/083 , H02M7/53873 , H02M1/0058
Abstract: A three-phase inverter and a control method therefor are provided. Resonant capacitors are provided between the midpoints of three bridge arms and the positive and negative poles of a DC bus to constitute resonant units with output inductors, so as to establish a resonant network for the implementation of soft switching, without adding a switching transistor. Compared with the soft-switching of the three-phase inverter in the conventional technology, circuit devices are saved, the control process is simplified, and system hardware and software overheads are reduced. By controlling the three-phase inverter to operate in a continuous mode, the switching loss of the switching transistor and the conduction loss of a flyback diode in the switching transistor are reduced, the conversion efficiency is improved, the electromagnetic noise caused by the switching transistor is reduced, and high-quality grid currents are output.
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公开(公告)号：US20250030349A1
公开(公告)日：2025-01-23
申请号：US18710200
申请日：2022-01-17
Applicant: ALTENERGY POWER SYSTEM INC.
Inventor： Yongchun YANG , Shuozu HE , Yuhao LUO
Abstract: A switching tube control method and device, and a direct-current converter. In the solution, after a switching tube on a leading bridge arm in a phase-shifted full-bridge converter is disconnected and a current on a transformer is not greater than a current preset value, a corresponding switching tube on a lagging bridge arm is controlled to be disconnected, and it is ensured that the current flowing through the switching tube is small when the switching tube on the lagging bridge arm is disconnected, such that the soft turn-off of the switching tube on the lagging bridge arm is realized, the loss is reduced, the anti-interference capability of the switching tube is improved, and the EMS performance of the switching tube is improved.
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公开(公告)号：US20240275172A1
公开(公告)日：2024-08-15
申请号：US18568820
申请日：2021-07-08
Applicant: ALTENERGY POWER SYSTEM INC.
Inventor： Yuhao LUO , Dongming ZHOU , Fei SHEN , Xuan ZHU , Xiao LU , Guowei MIAO , Wenwei LI
CPC classification number: H02J3/38 , H02J3/001 , H02J3/007 , H02J2300/24
Abstract: A method and an apparatus for controlling a shutoff device, and a shutoff device. The method is applied to a processor of the shutoff device. The method includes: determining whether a heartbeat signal is received continuously during a first preset period; if so, controlling the N main switching transistors to be turned on, and determining whether the heartbeat signal is not received continuously during a second preset period; and if so, controlling the N main switching transistors to be turned off, and controlling the release circuit to be turned on to release a voltage on the bus. A release circuit is controlled to release voltage on the bus to the ground, thereby rapidly reducing the voltage on the bus, avoiding person danger and safety accidents caused by the long-term presence of the direct current high voltage on the bus, and improving the safety and reliability of a photovoltaic system.
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公开(公告)号：US20240088833A1
公开(公告)日：2024-03-14
申请号：US18273442
申请日：2022-01-17
Applicant: ALTENERGY POWER SYSTEM INC.
Inventor： Yuhao LUO , Dongming ZHOU , Xuan ZHU
Abstract: Provided is a detection apparatus for a photovoltaic component, including a detection device and a control device. An input terminal of the detection device is connected to an output terminal of the breaking device. The detection device is configured to detect, based on at least one of a voltage and a current outputted from the photovoltaic component, whether the photovoltaic component and a connection circuit for the photovoltaic component operate normally. The control device is connected with the breaking device and the detection device. The control device is configured to control to switch on the breaking device, to transmit the at least one of a voltage and a current outputted from the photovoltaic component to the detection device.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20250023458A1
公开(公告)日：2025-01-16
申请号：US18713649
申请日：2023-06-12
Applicant: ALTENERGY POWER SYSTEM INC.
Inventor： Yuhao LUO , Guoliang WU , Biaojie QI , Yongchun YANG
Abstract: A photovoltaic inverter and a control method and apparatus therefor, and a readable storage medium, which relate to the technical field of information. The control method is applied to a multi-channel photovoltaic inverter. Separate power limitation is simultaneously performed on the power of the whole machine of the inverter and the power of each channel of the inverter, such that there is no need to fix the operation power of a single channel, and it is only necessary to determine whether the operation power exceeds a safety range. Compared with previous control methods for a photovoltaic inverter, when the same input energy is acquired, the maximum power that matches the whole machine is acquired first, such that the whole machine is prevented from being damaged.
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公开(公告)号：US20250007291A1
公开(公告)日：2025-01-02
申请号：US18698802
申请日：2022-02-21
Applicant: ALTENERGY POWER SYSTEM INC.
Inventor： Yuhao LUO , Zhimin LING
Abstract: A distributed photovoltaic system includes N first photovoltaic modules each configured to convert solar energy into direct current power, N energy storage modules, and N inverters. Output terminals of the N first photovoltaic modules are connected to input terminals of the N energy storage modules in one-to-one correspondence. Output terminals of the N energy storage modules are connected to first input terminals of the N inverters in one-to-one correspondence. Output terminals of the N inverters are connected in parallel at a joint connected to a power grid or load. That is, a single energy storage module is connected to a single photovoltaic module and a single inverter, so that the single energy storage module is small in capacity and low in power. In addition, different energy storage modules are scattered.
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公开(公告)号：US20240055853A1
公开(公告)日：2024-02-15
申请号：US18266588
申请日：2021-12-09
Applicant: ALTENERGY POWER SYSTEM INC.
Inventor： Biaojie QI , Yongchun YANG , Yuhao LUO , Jian WU
IPC: H02H7/122
CPC classification number: H02H7/1222 , H02M7/217
Abstract: A circuit protection method, system, and apparatus are provided. The method includes: receiving a current between an output terminal of the inverter circuit and a power grid; determining, based on the current, whether a current abnormality occurs; and controlling to switch off switch transistors in the inverter circuit, on determining that a current abnormality occurs.
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9.发明申请公开(公告)号：US20140159763A1
公开(公告)日：2014-06-12
申请号：US14181161
申请日：2014-02-14
Applicant: Altenergy Power System, Inc.
Inventor： Yuhao LUO , Zhimin LING
CPC classification number: H02J1/00 , G01R31/26 , H02J1/102 , H02J3/385 , H02S10/00 , H02S50/00 , H02S50/10 , Y02E10/58 , Y10T307/549
Abstract: This invention provides a solar photovoltaic system, comprising: a plurality of photovoltaic assemblies, for harvesting solar energy to generate DC currents; a plurality of micro-optimizers having input terminals coupled to the photovoltaic assemblies and having output terminals connected in series with each other, for optimizing output currents and/or output voltages of the photovoltaic assemblies, to generate maximum power; a manager configured to communicate with the plurality of micro-optimizers, for managing operating states of the micro-optimizers; and an inverter coupled to one or more strings of the micro-optimizers, for converting the optimized DC currents into AC currents and outputting the AC currents to a power grid. This invention further provides a method for energy harvest optimization and a method for fault detection of a solar photovoltaic system.
Abstract translation: 本发明提供了一种太阳能光伏系统，包括：多个光伏组件，用于收集太阳能以产生直流电流; 多个微型优化器具有耦合到光伏组件的输入端并具有彼此串联连接的输出端，用于优化光伏组件的输出电流和/或输出电压以产生最大功率; 被配置为与所述多个微优化器通信，用于管理所述微优化器的操作状态; 以及耦合到微优化器的一个或多个串的逆变器，用于将优化的DC电流转换成AC电流并将AC电流输出到电网。 本发明还提供一种用于能量收集优化的方法和一种太阳能光伏系统的故障检测方法。
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公开(公告)号：US20240275306A1
公开(公告)日：2024-08-15
申请号：US18563421
申请日：2022-04-02
Applicant: ALTENERGY POWER SYSTEM INC.
Inventor： Dongming ZHOU , Yongchun YANG , Biaojie QI , Yuhao LUO , Kaifeng JIN
IPC: H02M7/5387 , H02M1/12 , H02M1/32
CPC classification number: H02M7/53871 , H02M1/126 , H02M1/32
Abstract: A micro-inverter and a grid-tied output control method and device therefor. The micro-inverter comprises an inverter full-bridge circuit and an LC filter circuit. The LC filter circuit is grid-tied to a power grid by means of an output switch. The method comprises: obtaining a voltage amplitude, a frequency, and a phase of a voltage of the power grid by using phase locking; adjusting a power switching transistor driving the inverter full-bridge circuit to cause an output voltage of the micro-inverter to track the voltage of the power grid; and controlling the output switch to be switched on so that the micro-inverter operates normally. In the present application, before the output switch is turned off to grid-tie the micro-inverter, the power grid voltage is phase-locked and the output voltage of the micro-inverter is controlled to track the power grid voltage.
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