Although China's capacitor technology has been improved to some extent, the problem of product structural problems and weak comprehensive technical forces of power capacitor manufacturing companies has not yet been resolved. After years of development, the manufacturing process, equipment and technology of China's power capacitors have entered the world's advanced ranks. However, due to the disconnection between the large-scale development of manufacturing technology and the development of the power system in China's power capacitor manufacturing enterprises, this has led to the improper connection and protection of large-capacity parallel compensation capacitors for 500 kV and 220 kV substations. Inappropriate and improper selection of accessories and improper parameter coordination.
In recent years, the State Grid Corporation of China has implemented centralized bidding and bidding to help the power capacitor industry solve the problem of confusion in the configuration of capacitor devices, and at the same time has determined the development direction for the power capacitor industry. In addition, the standard bidding has corrected the problem of excessively high wiring error rate of large-capacity
Capacitor Banks, solved the problems of relay protection coordination and setting calculation of large-capacity capacitor banks, and the problem of excessive blasting energy of large-capacity capacitor banks. From the statistics of power system operation, with the solution of these problems, the operational reliability of reactive power compensation devices has also increased year by year, and the explosion accidents of large capacitor banks have shown a significant decline. However, despite the fact that China's capacitor technology has been improved to some extent, the problem of product structural problems and weak comprehensive technical forces of power capacitor manufacturing companies has not yet been resolved.
As a result of the increase in the transmission capacity of integrated technical personnel, the requirements for the capacity of capacitor banks have also increased. The associated harmonic problems, noise problems, equipment problems and safety and reliability issues have also increased. The more prominent. Therefore, it will be the most economic and reasonable practice to comprehensively consider production, design, and optimize these problems. Otherwise, if there are problems in the operation of the product and then reform the product, the cost of the human, material, and financial resources is much greater than the cost of the design and manufacturing period. And the effect of solving the problem is also far worse than the design and manufacturing stage. Therefore, in the design stage, that is, the concept of comprehensive consideration of the factors of various factors, targeted design and manufacturing, to minimize the concept of resource consumption, is the most effective energy-saving measures. To achieve this, the technicians of the manufacturing industry must not only be familiar with the manufacturing technology of their products, but also must be familiar with the conditions of use of the products, the operational requirements of the power system, the impact on the surrounding environment after the equipment is connected to the equipment, and other equipment for its own products. Influence many other technologies. Only in this way, the products designed and manufactured can achieve a good compatibility with the environment and have good operational safety and reliability.
At present, power capacitor manufacturers are seriously short of comprehensive technical talents, and power capacitor manufacturers appear to have assembled world-class factories and equipment. However, the products launched have not reached the world's advanced level. Therefore, training comprehensive technical personnel is one of the current development strategies for power capacitor manufacturers.
Developing a diversified product manufacturing enterprise with a relatively small scale and a single product structure is a common phenomenon in China's power capacitor industry. In fact, reactive power balance is one of the goals of good operation of the power system. Around the realization of this goal, it involves the distribution and control of reactive power flow, node voltage adjustment and control, switching and control of reactive power compensation equipment, switching and control of load size, and many other technologies and equipment, and electricity The capacitor device is only one of the reactive power compensation series devices. It can be foreseen that, as another type of device for reactive power compensation - power electronic type reactive power compensation device, in the current situation of rapid development, the resulting reactive power compensation function, function will be stronger and stronger, and the price will be more The lower it comes. This will not be too long for the capacitor industry. Therefore, power capacitor manufacturers should step up product structural adjustments and shift to new products in the current favorable market environment. At the same time, accelerating technology reserves is the best guarantee for the long-term healthy development of reactive compensation technology. It will certainly promote the development of capacitors.
