Photovoltaic power generation monitoring device and method
A photovoltaic power generation and monitoring device technology, applied in photovoltaic power generation, circuit devices, photovoltaic system monitoring and other directions, can solve problems such as reverse current, overcurrent, solar panel overvoltage, etc., and achieve the effect of preventing energy waste
Active Publication Date: 2018-06-15
肇庆箔梧能源有限公司
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- Description
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Problems solved by technology
At this time, it is easy to cause overvoltage and overcurrent on the solar panel, and reverse current to other photovoltaic module circuits when faults and abnormal circuits occur. According to domestic and foreign grid-connected standards, protection and stabilization functions must be provided.
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[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0022] This embodiment includes a photovoltaic power generation monitoring device and a monitoring method.
[0023] Such as figure 1 The photovoltaic power generation monitoring device shown includes a photovoltaic power generation module monitoring part 1 , an inverter monitoring part 2 and a data monitoring part 3 . After the photovoltaic power generation component monitoring part 1 is connected in series with the photovoltaic cell component 12, the photovoltaic power generation component monitoring part 1 is equipped with a wireless communication device, and the current and voltage measurement data obtained by the current and voltage sensors 4 are transmitted to the inverter monitoring part 2 and the data monitoring part 3 . Here, the wireless communication devices in the photovoltaic power generation module monitoring part 1 and...
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The invention discloses a photovoltaic power generation monitoring device and method. The photovoltaic power generation monitoring device includes a photovoltaic power generation assembly monitoring part, an inverter monitoring part and a data monitoring part, wherein the photovoltaic power generation assembly monitoring part includes current and voltage sensors and control switches; the current and voltage sensors and the control switches are connected with a photovoltaic power generation assembly in series; the photovoltaic power generation assembly monitoring part is provided with a wireless communication device; and the data monitoring part is connected with the photovoltaic power generation assembly monitoring part through the wireless communication device to perform signal transmission. The photovoltaic power generation monitoring device and method can test the voltage and the current of individual photovoltaic power generation loop, and can automatically cut off the loop when faults occur so as to prevent damaging the inverter circuit, and can monitor working of the inverter and then cut off or switch to the standby line to prevent waste of energy when faults occur.
Description
technical field [0001] The invention relates to a power generation monitoring device and method, in particular to a photovoltaic power generation monitoring device and method, and belongs to the technical field of photovoltaic power generation. Background technique [0002] At present, with the rapid development of the economy, the demand for primary energy such as coal and electric energy is increasing day by day, and energy such as coal and electric energy is becoming increasingly exhausted; the demand for new energy from solar energy is increasing, and the demand for solar photovoltaic power generation is also increasing Large, the energy storage control system of solar photovoltaic power generation is a key technical issue. [0003] Solar energy is an inexhaustible renewable energy for human beings. It has sufficient cleanliness, absolute safety, relative extensiveness, long life and maintenance-free, resource adequacy and potential economy. It has an important position...
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IPC IPC(8): H02S50/10H02J13/00H02J3/38
CPCH02J3/383H02J13/0075H02S50/10Y04S10/123Y02E10/56Y02E40/70Y04S40/126Y02E60/00
Inventor 张培仲
Owner 肇庆箔梧能源有限公司