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A vacuum interrupter uses a high vacuum to extinguish the arc between a pair of contacts. As the contacts move apart, current flows through a smaller area. There is a sharp increase in resistance between the contacts, and the temperature at the contact surface increases rapidly until the occurrence of electrode-metal evaporation.
The basic architecture of VCS includes low-latency transport (LLT), the Global Membership Services and Atomic Broadcast Protocol (GAB), the High Availability Daemon (HAD), and Cluster Agents. LLT lies at the bottom of the architecture and acts as conduit between GAB and underlying network.
A changeset, in this context, indicates that a committed file(s) is stored in the form of a difference between either the previous version or the next. Scope of change: Describes whether changes are recorded for individual files or for entire directory trees. Revision IDs: are used internally to identify specific versions of files in the ...
Fundamentally, a STATCOM is type of static VAR compensator (SVC), with the main difference being that a STATCOM is a voltage-sourced converter while a traditional SVC is a current-sourced converter. Historically, STATCOM have been costlier than an SVC, in part due to higher cost of IGBTs), but in recent years IGBT power ratings have increased ...
A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device, more specifically a form of Earth-leakage circuit breaker, that interrupts an electrical circuit when the current passing through line and neutral conductors of a circuit is not equal (the term residual relating to the imbalance), therefore ...
Verification is intended to check that a product, service, or system meets a set of design specifications. [6] [7] In the development phase, verification procedures involve performing special tests to model or simulate a portion, or the entirety, of a product, service, or system, then performing a review or analysis of the modeling results.
Verifiable credentials (VCs) are digital credentials which follow the relevant World Wide Web Consortium open standards. They can represent information found in physical credentials, such as a passport or license, as well as new things that have no physical equivalent, such as ownership of a bank account.
It had a very wide turret ring and was manufactured specifically to carry a large-calibre gun system. At least two prototypes had been completed by 1979 and were initially designated VCS-90. [2] The first two had boat-shaped hulls and glacis plates reminiscent of the VXB-170 and VAB, respectively.