What is a stored-energy spring?

The stored-energy spring mechanism is the same design as used for the Siemens 3AP live-tank circuit-breakers, GIS, and compact switchgear. This design has been in service for more than ten years, and has a well-documented reli-ability record.

Can mechanical spring systems store macroscopic energy?

Mechanical spring systems’ benefits and limits for storing macroscopic amounts of energy will be assessed and their integration with mechanical and electrical power devices will be discussed. 1876-6102 © 2015 The Authors.

How does an energy storage spring work?

When closing is required, the positive transmission of the motor drives the clutch gear to rotate, thus driving the transmission gear and large shaft to rotate to the dead point of the energy storage spring, the position switch automatically switches the motor, and the earth switch quickly closes under the action of the energy storage spring.

How do I Harge a stored-energy spring?

harge the stored-energy spring by hand (see section 6.3.1).Perform test closing and opening operations by pressing push-buttons 54.2 and 54.3 (for fixed installation breakers) or using the triple bit key 145 at the ON-OFF operating shaft 54 (for breakers on withdrawable parts), taking into acc

Can mechanical springs be used for energy storage?

As far as mechanical energy storage is concerned, in addition to pumped hydroelectric power plants, compressed air energy storage and flywheels which are suitable for large-size and medium-size applications, the latest research has demonstrated that also mechanical springs have potential for energy storage application .

What is a high voltage switch cabinet?

The traditional high voltage switch cabinet is mainly composed of isolation switch, earthing knife-switch, current transformer, surge arrester, vacuum circuit breaker, interlocking mechanism, live display, ammeter, signal indicator light, transfer switch, electromagnetic lock and cabinet body. The protection level of cabinet body is IP2X.