High and low voltage switchgear grounding protection refers to connecting certain conductive parts of electrical devices or facilities in the power system or building to the grounding electrode through a grounding wire. Grounding measures taken to prevent personal and equipment safety in electrical...

1. Fixed panel switchgear, generally referred to as switch board or distribution panel. Box-type substation are switch type, with a panel covering the front for maintenance purposes, while the back and side can still contact live parts. The maintenance level is low and only suitable for industrial a...

Box-type substation actively switch to the backup power supply when there is a power failure (power outage, undervoltage, overvoltage, phase failure, frequency deviation), in order to ensure continuous and uninterrupted operation of related electrical equipment. Widely used in high-rise buildings, r...

Cable Tray the installation method is: 2 suspension rods+1 cross arm, the suspension rods are perpendicular to the horizontal plane, the top of the suspension rods is connected and fixed with expansion bolts or other fixing parts, the bottom of the suspension rods is connected to the cross arm, and...

What is the maximum temperature rise of Bus duct? The maximum temperature rise of an Fire resistant bus duct refers to the temperature rise obtained by subtracting the ambient temperature from the maximum temperature of the Fire resistant bus duct when operating at full load through the rated curren...

We all know that High and low voltage switchgear can be considered a very important device, involving various aspects of life. Once problems arise, there will be many troublesome follow-up problems that affect people's lives.Every item has a usage period, and High and low voltage switchgear mate...

Whether it is industrial production or chemical sites, our production process cannot do without electricity. Distribution cabinet manufacturers are used for wire and cable control in this environment. In order to be able to use various environments, we will take some measures for protection.Sealing...

Maintenance should start from the low voltage side of the transformer. After the Low-voltage switchgear is powered off, clean the dust in the cabinet, check whether the busbar and down lead connections are good, whether the joint points are heated or discolored, check whether the cable head and wiri...

Low voltage distribution box play a crucial role in power generation, transmission, distribution, energy conversion, and consumption in the power system, including on/off, control, or protection. They are an important component of the power transmission and transformation equipment manufacturing ind...

The setting work of Low-voltage distribution cabinet has a great impact on the operation of the system. Only by comprehensively carrying out the setting work can the good operation of the system be ensured. Therefore, during the work, it is necessary to constantly pay attention to parameter changes...

The current technological development has driven the progress of the industry, especially in the rapid development of science and technology in China. Various industries are changing rapidly, and mature automation control has been formed in the operation of electrical control systems. Relay protecto...

The relay protector in High-voltage switchgear is a comprehensive relay protection equipment, whose operating principle is mainly designed and manufactured according to the working mode of microprocessors. It has a scientific and technological foundation and plays an important role in the operation...