Pdf Ansi Device Numbers

The widely used united sates standard ansi ieee c37 2 electrical power system device function numbers acronyms and contact designations deals with protective device function numbering and acronyms.

Pdf ansi device numbers. Ieee device numbers in the design of electrical power systems the ieee device numbers identify features of a protective device such as relay or circuit breaker. Ieee device numbers and functions for switchgear 100115 ieee device numbers functions note. This page was last edited on 15 july 2020 at 11 55 utc. Ece 525 session 3 page 1 1 power systems protection and relaying fall 2018 ansi ieee standard device numbers in north america protective relays are generally referred to by standard device numbers.

Letters are sometimes added to specify the application ieee standard c37 2 2008. Device numbers are used to identify functions of devices shown on a schematic diagram. Text is available under the creative commons attribution sharealike license. 31 separate excitation device.

Additional terms may apply by. You are currently offline. In north america protective relays are generally referred to by standard device numbers. The widely used united sates standard ansi ieee c37 2 electrical power system device function numbers.

The function of the valve may be indicated by the insertion of descriptive words such as brake or pressure reducing in the function name such as. Relay symbols and device numbers. A non automatically reset device that give s a number of separate visual indications upon the functioning of protective devices and which may also be arranged to perform a lockout function. Selection from iec 617 ieee c37 2 1991 and ieee c37 2 1979 device device.

Ansi ieee standard device numbers.