backup protection

backup protection

In an electrical system, a type of protection initiated by a sensing device that detects a failure of a protective element (such as a circuit breaker); in that event, the next upstream protective device takes over the protective function.
References in periodicals archive ?
As a result, frequencies on the grid changed more than the system could cope with, triggering the Grid's automatic backup protection system.
The Texas Ranger Stars were handmade by Texas inmates of the Texas Department of Corrections.) It should be no surprise then when I tell you that many within the Department of Public Safety count on a Bond Arms derringer for backup protection.
Transco already sent a report to the Department of Energy and further recommended the immediate review of the timing coordination of protective relays and the installation of new and backup protection.
The addition of R50 will further enhance Alba's ability to meet future creep capacity objectives as well as provide added backup protection.
With the increasing complexity of contemporary large power network structure, the setting coordination principles of traditional backup protection based on local information quantity have been greatly affected by system operation mode, and it is difficult to meet the requirement of current relay protection.
With the development of communication technology and the popularity of power communication network based on synchronous digital hierarchy (SDH) fiber ring network, the study of wide-area backup protection (WABP) based on fault element identification has attracted great attention [1-8].
The service will enable businesses in the Central Beirut District to have protection against data loss through backup protection, allows users to check their business emails wherever they might be and gives them access to remote servers.
Therefore, it is not advisable to completely eliminate the traditional backup protection represented by zone 3 impedance relay which can be the remote backup of adjacent element.
* NTI Cloud[TM] Backup: An online backup protection with 24/7 availability through PCs or mobile devices
For business collaboration and backup protection, the new Seagate Business Storage provides a secure cost-effective solution that works well with existing cloud backup and online sharing services.
for purposes of backup protection of such communication." (47) On the other hand, an RCS is "the provision to the public of computer storage or processing services by means of an electronic communications system." (48)