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On site solar energy monitoring and debugging: "never stop" intelligent tracking system

Source: unknown Editor: admin Time: 16:16, May 14, 2019

In order to further serve customers well, the company's technical personnel went to Gobi, Inner Mongolia, from May 31, 2018 to cooperate with customers to debug equipment on site, and accumulated a lot of valuable on-site experience. Below are some pictures of field installation
 


 


 


 

Introduction to the era of "always on" intelligent tracking 2.0
 

It is understood that the traditional 1.0 solar tracking system solution uses a set of executive and control mechanisms. Once there is a failure, the whole tracking system will not work. If the panel stops at an angle facing east or west, it will not be able to generate electricity throughout the day, and the power station will lose most of its power generation in a day. In addition, according to the original mechanism, the system can not be repaired independently and needs human intervention. From understanding the fault information to sending someone to the site to locate, and then sending the back office spare parts to the site for maintenance and repair, the operation and maintenance time can be as little as one week, as much as one month. This has seriously affected the efficiency of photovoltaic power generation, but also brought huge losses to investors.

According to Wang Shitao, chief technical officer of Sinocom, all the key electronic components of the tracking system are redundant and automatically switched. Once one of them fails, the other can continue to ensure the operation of the system, which solves the problem of stability from the design level, and can realize "never stop". Wang Shitao said frankly, from the perspective of the development prospect of the tracker, this design idea of never-stop and redundant backup will become a major technical route. Only by ensuring that the tracking system adopted by the owner can obtain stable income, can this product be adopted. If it is just a mere empty concept and can not bring stable and continuous power generation increase to the owner, then Why not.

As Wang Shitao said, the "intelligent tracking 2.0 system" proposed by CICB no longer uses photosensitive components, and any external pollution will not affect the normal operation of the sensor. And the tracking system uses GPS time service to obtain the local time, longitude and latitude. The internal system uses high-precision astronomical algorithm to obtain the tracking angle. The external conditions will not affect the tracking system to obtain the corresponding tracking position information. All weather tracking of Taiyang is the premise of the stability of the tracking system.
 

Increase the power generation of the power station and increase the overall income of the owner
 

People in the industry have paid attention to the long-term cost of solar energy system, but the system cost is still in the initial stage of development. It is true that the increase of initial investment does bring cost pressure to power plant owners, which is one of the main reasons for the limitation of tracking system development in China.
 

Wang Shitao said that the owner would not pay more attention to the cost of the backup system if he could not increase the cost of power generation in the short term. In fact, from the perspective of product design, the cost of the redundant backup system is very small, which can be ignored compared with the additional benefits brought to customers. When we make technical solutions for customers, we generally suggest that when selecting the project location, the increase ratio of estimated power generation is higher than that of investment cost by more than 5%. For example, if the investment cost increases by 8 points and the power generation capacity increases by 13 points, the income will increase by 5 points, and the benefits of these five points can be guaranteed, not due to the reliability of the system. Not enough and wasted.
 


 

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