Operation and maintenance data managementA complete data management system must be established for the operation and management of photovoltaic power stations. The data files involved in the operation and maintenance management include the technical data of the power station, the technical data of operation and maintenance, the equipment operation records, the chart files hanging on […]
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How are photovoltaic power stations operated and maintained?
Photovoltaic (pv) power plant operations is short for photovoltaic power generation system operation maintenance, based on system safety, through preventive maintenance, periodic maintenance and regular equipment performance testing methods, scientific and reasonable to manage power plant, in order to ensure safe, stable and efficient operation of the entire power plant, so as to ensure the […]
Do you know the key points of photovoltaic lightning protection and grounding design ？
Design points Ground photovoltaic surge protection and grounding The practical design points of ground photovoltaic lightning protection and grounding are as follows: 1) General grounding layout diagram, component support connection diagram, square grounding diagram, etc. 2) When there is a contradiction between the grounding wire and the equipment foundation, the grounding wire should be laid […]
General and general requirements for surge protection and grounding systems
General requirements The overvoltage protection and grounding of the booster station area and the local inverter booster chamber of the photovoltaic power station should comply with the provisions of the current national standards GB/T50064 and GB/T50065, “Design Specification for overvoltage Protection and Insulation of AC Electrical Devices”.Lightning protection of photovoltaic power station living auxiliary construction […]
The suitable range and characteristic of prestressed concrete
1.base form Prestressed concrete pipe pile is an important branch of prestressed pipe pile. Prestressed pipe piles are divided into prestressed concrete pipe piles (PC pile), prestressed high-strength concrete pipe piles (PHC pile) and thin-wall pipe piles (PTC pile) according to concrete strength grade and wall thickness. The concrete strength of PC pile shall not […]
Photovoltaic array support – screw pile foundation
Structure and Features 1.1 Basic formSpiral piles are generally cut, deformed, welded, pickled, hot-dipped and other processes to produce qualified piles. Among them, pickling and hot-dip galvanizing are important anti-corrosion treatment processes, which directly affect the service life of screw piles. The processing level of the screw pile directly determines the service life of the […]
Pre formed hole anchor pile foundation
1 basic form Typical engineering piles are pre drilled ground anchor piles, with a length of 1.6m. The upper section of the pile body is a steel pipe with an outer diameter of about 76mm, with a length of 700~800mm and a thickness of 3~4mm. It is hollow, and the top of the pile body […]
Photovoltaic array support – cast-in-place pile foundation
Structure and Features 1.1 Basic formThe structure of the cast-in-place pile is shown in Figure 1. 1) Reinforcement ratio: when the diameter of the pile body is 300~2000mm, the reinforcement ratio of the normal section can be taken as 0.65%~0.2% (the high value for the small diameter pile); The reinforcement ratio of piles and end-bearing […]
Expandable independent foundation and strip foundation for photovoltaic array support
Expandable independent foundation 1.1 Structure and Features1.1.1 Basic formThe structure of the independent foundation shall meet the following requirements: 1) The height of the edge of the foundation should not be less than 200mm. In the case of a tapered foundation, the slope in both directions should not be greater than 1:3; the height of […]
In-depth study on the design load of photovoltaic support
Wind load Due to different environments, the requirements for the design of the photovoltaic system support structure are getting higher and higher, and ensuring the safety and application of the support structure, cost saving, and convenient construction and maintenance have become the main factors to be considered in the design. The ground photovoltaic support has […]