In the power supply system, nonlinear issues arise from various elements. For instance, harmonics are generated during the normal operation of generators. Transformers within the grid also contribute to harmonic production. Additionally, DC transmission introduces harmonics, and high-voltage transmission lines can amplify these harmonics. The installation of parallel capacitors in substations is another factor that can lead to the emergence of harmonics. Among these, DC transmission is currently a major source of harmonics in power systems.

On the one hand, in addition to the problem of low power factor, a variety of converters and other power electronic devices are increasingly widely used for the introduction of a large number of harmonics into the power grid; on the other hand, a large number of precision instruments are very susceptible to the impact of power harmonics, the power quality of the requirements of more and more high. It is imperative to actively and effectively manage power quality on the user side.

we are very happy that we have established business relationship with our customer in Tanzania.

In the process of this cooperation, the two sides made smooth and pleasant progress. The equipment purchased by the client company this time is used to assist overseas Congo projects.

Recently, Rui Du Mechanical and electrical has successfully reached cooperation with customers in Brazil. The client company is an independent technical service provider.

Power quality refers to the quality of the AC power supplied to the user through the public power grid. Generally speaking, it refers to the quality of the power in the power grid lines. Power quality problems are mainly caused by the terminal load side. For example, the impact reactive load will cause the grid voltage to generate Violent fluctuations reduce the quality of power supply. When the power quality of the power grid is disturbed or polluted and cannot meet the relevant national standards, it is necessary to improve the power quality of the power grid in a targeted manner. To understand the actual situation of the power quality of the power grid, it is necessary to have the corresponding equipment power quality analyzer ( Also known as three-phase power quality analyzer) to test and analyze it.

Rui Du Mechanical and electrical (Shanghai) Co., Ltd. Has cooperated with a client from Turkey successfully, though facing kinds of obstacles from COVID-19 epidemic. Now the equipment has been produced and successfully arrange the shipment by air.