In order to catch up with the last wave of 630, the construction units of each project are in tight construction. However, the qualifications of the construction contractors are not uniform, and the level of professionalism of the construction personnel will undoubtedly have a great impact on the quality of the photovoltaic system. Swing Device China Swing Device manufacturers. This column mainly shows the Excavator Parts Swing Device.The Swing Device includes two parts: a Swing Motor and a Swing Gearbox. The wholesale excavator swing device collection of spare parts from China's wholesaler.
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In order to catch up with the last wave of 630, the construction units of each project are in tight construction. However, the qualifications of the construction contractors are uneven. The professional level of the construction personnel will undoubtedly have a great impact on the quality of the photovoltaic system. The installation of the bracket to the inverter and the variable wiring of the box all imposes high requirements on the construction quality. How to ensure the quality in the construction process? First, look for a qualified and professional team. The second is to avoid layer-by-layer subcontracting of construction tasks, and the third is to cooperate with some good components and suppliers such as photovoltaic inverters. 
Before Xiaobian, I learned about a case in which photovoltaic power plants in East China affected the entire photovoltaic system due to poor construction quality.
First, the power station uses double-glass components. Due to the fragility of the glass components and the unprofessional construction personnel, many components are stepped on and trampled during the installation process, which affects the construction period and brings great benefits to the owners. Loss, fortunately, the component manufacturers arrange technicians to station, and professional training for construction personnel, to avoid greater losses.
The second is the wiring problem of the PV inverter to the AC combiner box. This project uses a 40KW string inverter, one box is changed to 1.6MW with 40 inverters, and the inverter is connected to 8 in and out. The wire of the AC combiner box is a 3*120mm coaxial cable three-core cable. When the construction personnel are wiring, they do not follow the electrical specifications, and directly connect the three wires together as one phase, and the cable arrangement is messy, resulting in later When the net is used, serious eddy currents occur, the cable bridge vibrates, and the inverter is frequently protected, causing a large loss of power generation to the owner.
Third, because of the 40KW machine used in the project, the front panel is designed for the upper and lower sides, and the AC side wiring is designed for the open cover. After the lower panel is opened, the entire cavity is exposed. Although the manufacturer claims that the machine is designed for IP65, after the wiring, the sealing of the machine and the integrity of the internal components are completely dependent on the construction level and quality of the construction personnel. In the later period, the construction of the construction personnel was not standardized, the panel screws were not pressed, and the panel seals were damaged, which caused the water inflow into the individual PV inverters, which not only damaged the brand image of the PV inverter but also brought the owners The necessary loss. 
From the above case, it can be seen that the construction quality is crucial for the reliable and safe operation of the photovoltaic system. And an excellent PV inverter manufacturer, while striving to ensure the quality of product manufacturing, must also pay attention to the friendly intelligence and maintenance-free design of the product design, in order to minimize the impact of construction quality problems.
Guruwatt-photovoltaic inverter manufacturer, the leader of household photovoltaic inverter, Shenzhen Guruiwatt New Energy Co., Ltd. was established in May 2010, is a professional provider of photovoltaic inverter, photovoltaic energy storage system and user side National high-tech enterprise for intelligent energy management system solutions. 
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We are a professional manufacturer of hydraulic accessories for crawler excavators Professionally provided aftermarket customers with various brands of crawler Excavator Final Drive, Travel Motor , Travel Gearbox,Swing Device, Swing Motor,Swing Gearbox,hydraulic pump, main Control Valve and other accessories.Strictly controlling the quality acceptance of each product Standards to ensure high-quality qualified export of each product.At the same time, we can customize the production services of the products through the drawings according to customer needs, and make every effort to make the perfect product in the mind of each customer.
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