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IEC 62054-21:2004 PDF — Electricity metering (a.c.) - Tariff and load control - Part 21: Part… — GOST Standards

//IEC 62054-21:2004

IEC 62054-21:2004

Name: IEC 62054-21:2004 — Electricity metering (a.c.) - Tariff and load control - Part 21: Particular requirements for time switches
SKU: IEC 62054-21:2004
Price: 35 EUR
Availability: InStock

Electricity metering (a.c.) - Tariff and load control - Part 21: Particular requirements for time switches

Название (английский):

IEC 62054-21:2004

Electricity metering (a.c.) - Tariff and load control - Part 21: Particular requirements for time switches

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 30 января 2017 г.
Издание:: IEC IS 62054 edition 1 version 1
ICS:: 91.140.50

Тип поставки:

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Срок поставки:1 рабочий день

Цена:35 €

Описание (английский):

IEC 62054-21:2004 Specifies particular requirements for the type test of newly manufactured indoor time switches with operation reserve that are used to control electrical loads, multi-tariff registers and maximum demand devices of electricity metering equipment. This publication is of high relevance for Smart Grid.

Abstract

Overview

Key Topics and Requirements

Scope and device types: Indoor time switches for tariff switching, load control, multi‑tariff and maximum‑demand equipment; integrated functionality in meters is covered where applicable.
Type tests: Defines type test requirements for newly manufactured units; includes mechanical, climatic and electrical type tests.
Mechanical & display requirements:
- Analogue dials: readable to the nearest minute, direction of rotation marked, indelible markings.
- Digital displays: legible, each displayed value identifiable (codes/indicators), display time of at least 6 s.
Time setting & programming:
- Mechanical dials: day‑dial setting accuracy better than ±7.5 min, programming resolution ≤15 min (week and year dials have coarser resolutions).
- Digital devices: time/date settable with 5 s accuracy; programming resolution down to 1 minute.
Time‑keeping & operation reserve:
- Requirements for operation reserve (back‑up) and time‑keeping accuracy (e.g., synchronous devices specified to maintain accuracy under normal conditions).
- On supply restoration outputs must assume the program‑determined position quickly (outputs to position within 5 s; program execution to resume within 6 h after prolonged interruption unless otherwise agreed).
Electrical, EMC and interference tests: Supply voltage/frequency ranges, immunity to voltage dips/interruptions, electromagnetic compatibility and radio‑interference suppression tests are specified or referenced.
Tests & annex: Test conditions, type‑test procedures and an informative Annex A with example acceptance tests are included.

Applications & Who Uses It

Utilities and grid operators for tariff switching, peak‑load shedding and demand management in Smart Grid deployments.
Electricity meter and time‑switch manufacturers for product design and type compliance.
Test laboratories and certification bodies performing type testing and conformity assessment.
Meter integrators, DER aggregators and building energy managers implementing scheduled controls tied to tariffs or load profiles.

Related Standards

IEC 62052-21 (general requirements, tests and conditions for tariff/load control equipment) - use in conjunction.
IEC 62054-11 (electronic ripple control receivers).
IEC 62059 series (dependability and reliability of metering equipment).
Replaces IEC 61038 (particular requirements for time switches).

Keywords: IEC 62054-21, time switches, electricity metering, tariff switching, load control, operation reserve, time‑keeping accuracy, Smart Grid, type test, EMC.

Технические детали

Технический комитет: TC 13 - Electrical energy measurement and control
SKU: IEC 62054-21:2004

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IEC 62054-21:2004

Abstract

Overview

Похожие стандарты

Key Topics and Requirements

Applications & Who Uses It

Related Standards

Технические детали

IEC 62052-21:2004

Electricity metering equipment (a.c.) - General requirements, tests and test conditions - Part 21: Tariff and…

IEC 62054-11:2004

Electricity metering (a.c.) - Tariff and load control - Part 11: Particular requirements for electronic rippl…

IEC 62059-31-1:2008

Electricity metering equipment - Dependability - Part 31-1: Accelerated reliability testing - Elevated temper…