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For a long time, my country's power system has implemented a regular maintenance system for power equipment, that is, equipment is tested and maintained according to the planned time period, so...

In the first quarter of 2013, my country's economy did not continue its stabilization and recovery trend in the second half of 2012. GDP grew by 7.7% year-on-year, a decrease of 0.2 percentage ...

Power secondary equipment constitutes a system, not just the device itself, such as AC, DC, control loops, etc. As some loops have no monitoring means, real-time technical analysis and judgment of ...

There are many electrical equipment in the power system. According to their different roles in operation, they are usually divided into electrical primary equipment and electrical secondary equipme...

·Widely used in aerospace, aviation, military, machinery and other industries, with decades of successful application history ·In the 1980s, a large number of experimental studies have been conduct...

The use of damping to absorb energy and shock is not a new technology. Various dampers (or shock absorbers) have been used to reduce vibration and energy in aerospace, aviation, military industry, ...

A damper is a device that provides resistance to movement and consumes movement energy. The various frictions and other obstacles that attenuate free vibration are called damping. The "special...

A vibration damper is a device that converts the mechanical vibration energy of a solid into thermal energy. When the damping of the vibration system itself or the internal damping of certain vibra...

The preparation of larger-volume preforms requires faster processes, such as the spraying technology of cut fiber bundles. In the spraying technology, a perforated metal mesh is made according to t...

According to the pre-forming process design, the second and third steps can be changed. The heating or melting of the fiber mat mainly depends on the properties of the resin used. The temperature s...

Overhead Lightning Wire Dropping Caused by Wear of Suspension Clamp and Its Prevention 1. Reason analysis According to the investigation, the areas where the overhead lightning protection wire drop...

Nowadays, it is widely used in China, and its features are easy and quick to install. The following are introduced: (1) Old-fashioned ship-shaped clamp This kind of clamp wire and lightning protect...