IEEE Std C37.2-2022

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STANDARDS

IEEE Power and Energy Society

Developed by the

Power System Relaying and Control Commiee

IEEE Std C37.2™-2022

(Revision of

IEEE Std C37.2-2008)

IEEE Standard for Electrical Power

System Device Funcon Numbers,

Acronyms, and Contact Designaons

IEEE Std C37.2™-2022

(Revision of

IEEE Std C37.2-2008)

IEEE Standard for Electrical Power

System Device Function Numbers,

Acronyms, and Contact Designations

Developed by the

Power System Relaying and Control Committee

of the

IEEE Power and Energy Society

Approved 21 September 2022

IEEE SA Standards Board

Abstract: Abstract: The definition and application of function numbers and acronyms for devices

and functions used in electrical substations and generating plants and in installations of power

utilization and conversion apparatus are covered. The purpose and use of the numbers and

acronyms are discussed, and 95 numbers and 22 acronyms are assigned.Function numbers or

function acronyms now exist for arc flash detection, clock or timing source, dynamic disturbance

recorder, digital fault recorder, disturbance monitoring equipment, environmental data, fault data

concentrator, high impedance fault detector, human machine interface, historian, scheme logic,

substation metering, phasor data concentrator, phasor measurement unit, power quality monitor,

remedial action scheme, remote input/output device, remote terminal unit/data concentrator,

sequence of events recorder, and trip circuit monitor. The use of prefixes and suffixes to provide

a more specific definition of a function is defined. Device contact designations are also covered.

Keywords: Keywords: control, designations, device functions, device function acronyms, device

function numbers, function numbers, IEC 61850, IEEE C37.2, relay, switchgear

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Incorporated.

PDF: ISBN 978-1-5044-9086-3 STD25720

Print: ISBN 978-1-5044-9087-0 STDPD25720

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摘要：

IEEE Std C37.2-2022 是电气与电子工程师协会发布的最新版本标准，全称为《电力系统开关设备与控制设备功能编号及触点功能标志》。该标准为继电保护、自动化控制及电力系统运行中使用的保护与监控装置提供了统一的设备功能编号体系，例如广泛使用的“21”（距离保护）、“50/51”（过电流保护）等编号。2022版更新了与智能电子设备（IED）及数字化变电站相关的触点功能标志，并增加了对新能源并网及微电网保护装置的编号指导。该标准对于电力工程师、继保调试人员及SCADA系统设计者而言，是确保国

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IEEE Std C37.2-2022

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