Mar 31 2022
Photovoltaic DC miniature circuit breakers are used as photovoltaic power distribution, and the role of DC miniature circuit breakers is particularly prominent. So how can we use DC circuit breakers safely? 1. Check whether the wiring is correct after the DC miniature circuit breaker is connected. It can be checked with the test button. If the circuit breaker can be disconnected correctly, it means that the leakage
Apr 01 2022
With the wide application of global solar power generation systems in life, I believe that everyone is no stranger to solar power generation. We can find solar connectors on essential components of solar power generation systems such as modules, combiner boxes, and inverters. , So what exactly is a solar connector? What is its function? 1. What is a solar connector? In a complete solar power generation system, th
Apr 01 2022
Photovoltaic systems convert sunlight directly into electricity. The residential photovoltaic system can meet some or all of the daily electricity demand of the household in the form of a photovoltaic roof. The photovoltaic system can also be equipped with a backup battery, which can continue to supply power to the load when the power grid is out of control. This manual mainly proposes the design and installation so
Apr 01 2022
After understanding the basic needs of customers, first, determine the selection of the leading equipment of the system and then confirm the scheme of the system. Photovoltaic off-grid systems are rigid requirements, and users rely heavily on electricity demand. Therefore, the system's reliability should be considered first in the design. Then different solutions should be provided according to the diverse needs
Apr 01 2022
1. Component installation precautions The electrical installation of photovoltaic modules should refer to the corresponding regulations, including electrical-related regulations and power connection requirements. For specific terms, please.Contact your local power department. Please do not install photovoltaic modules on the roof without safety precautions, including protective measures include fall protectio
Apr 01 2022
PV modules connected in series should pay attention to: When the photovoltaic system is connected to the grid for power generation, the photovoltaic array must realize the whole power point tracking control to get the total power output under any current sunshine continuously. Therefore, when designing the number of PV modules in series, the following issues should be noted: 1) The specifications, types, number of
Apr 01 2022
According to reports, the daily operation and maintenance of photovoltaic power plants mainly include: 1. Regularly check whether the connection between the photovoltaic modules is firm; 2. Whether the link in the square array junction box is firm; 3. Check whether the photovoltaic modules are damaged or abnormal; 4. Check whether the connection between the square array supports firm; 5. Whether the relationship be
Apr 01 2022
1.1 Selection and design of leading equipment in the photovoltaic field The grid-connected photovoltaic power station comprises a square array of photovoltaic modules, a combiner box, an inverter, a step-up transformer, and a power distribution cabinet at the grid-connected point. This project's leading equipment in the photovoltaic field area includes photovoltaic modules, inverters, box-type transformers,
Mar 31 2022
The DC isolation switch is a device to prevent the AC and DC short circuit of the DC isolation switch. It is connected with an isolation transformer between the power input terminal of the AC motor power supply switch cabinet and the three-phase AC power input line and the input of the three-phase AC power supply. The cable is connected with the primary winding of the isolation transformer, and the secondary winding