IEC TS 61334-5-5:2001 PDF

Name: IEC TS 61334-5-5:2001 — Distribution automation using distribution line carrier systems - Part 5-5: Lower layer profiles - Spread spectrum - fast frequency hopping (SS-FFH) profile
SKU: IEC TS 61334-5-5:2001
Price: 35 EUR
Availability: InStock

Distribution automation using distribution line carrier systems - Part 5-5: Lower layer profiles - Spread spectrum - fast frequency hopping (SS-FFH) profile

Название (английский):

IEC TS 61334-5-5:2001

Distribution automation using distribution line carrier systems - Part 5-5: Lower layer profiles - Spread spectrum - fast frequency hopping (SS-FFH) profile

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 30
Дата публикации:: 27 сентября 2001 г.
Издание:: IEC TS 61334 edition 1 version 1
ICS:: 33.200

Тип поставки:

Full version450 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:5 раб. дн. (перевод)

Цена:450 €

Описание (английский):

Is a technical specification describing the requirements of the spread spectrum-fast frequency hopping (SS-FFH) approach for distribution line carrier communication systems. It incorporates the primitives provided by the physical and MAC layer entities as well as the modulation and transmission methods. This publication is of high relevance for Smart Grid.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

IEC TS 61334-5-5:2001 defines the Spread Spectrum – Fast Frequency Hopping (SS‑FFH) lower‑layer profile for Distribution Line Carrier (DLC) systems used in distribution automation. This IEC Technical Specification specifies the physical‑layer and MAC‑sublayer primitives, the modulation and transmission methods, and the timing/synchronization rules required to operate SS‑FFH over low‑voltage distribution networks (AC 230 V, 50/60 Hz). It is highly relevant for Smart Grid deployments that require robust, EMI‑friendly PLC/DLC communications.

Key topics and technical requirements

Modulation method: Spread spectrum with fast frequency hopping (SS‑FFH) using time‑limited sinusoidal carrier “chips”; symbols are encoded as sequences of chips across different frequencies to increase robustness and reduce EMI concentration.

Physical medium: Direct coupling to low‑voltage AC distribution wiring (single‑ or three‑phase, 230 V, 50/60 Hz).

Receiver design: Soft‑decision demodulation where per‑frequency chip metrics are combined to select the most likely transmitted symbol (interoperability unaffected by specific internal receiver architectures).

Synchronization and timing:

Basic timing anchored to mains zero‑crossings (basic timing unit t = 1/(6·fN), where fN is mains frequency).
Chip timing and symbol timing derived from the basic timing unit.
Frame synchronization via a defined preamble (eight symbols) preceding data frames.

MAC services and primitives: Defines MAC layer services, frame encapsulation, routing repetition (hops) and repeater behavior to ensure reachability across DLC domains.

Electrical and EMI considerations: Spreading energy across carriers improves electromagnetic compatibility compared to narrowband carriers.

Interfacing: Specifies the logical interface between the physical layer and MAC sublayer including PDU structures and management services.

Practical applications

Field‑tested method for reliable PLC in Smart Grid use cases:

Low‑voltage distribution automation (fault detection, control signalling).
Smart metering backhaul and control signalling over power lines where radio is unavailable or restricted.
Utility last‑mile communications and repeater‑assisted networks in rural/urban grids.

Benefits include improved interference resilience and easier compliance with EMC limits versus narrowband FSK approaches.

Who should use this standard

Utility communications engineers and planners

Smart Grid equipment manufacturers (PLC modems, repeaters, concentrators)

Protocol and firmware developers implementing DLC stacks

Test laboratories and compliance engineers validating EMC and interoperability

Standards and regulatory bodies harmonizing DLC deployments

Related standards

IEC 61334‑5‑1 (S‑FSK profile) and IEC 61334‑5‑2 (FSK profile)

IEC 61334‑4‑1, IEC 61334‑4‑32 (data link / reference model)

IEC 61000‑3‑8 (EMC signalling on low‑voltage installations)

ITU‑T V.42 (error correction procedures)

Keywords: IEC TS 61334‑5‑5, SS‑FFH, spread spectrum fast frequency hopping, distribution line carrier, DLC, distribution automation, Smart Grid, physical layer, MAC sublayer, PLC, EMI, synchronization.

IEC TS 61334-5-5:2001 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

Технические детали

IEC 61334-5-1:2001

Distribution automation using distribution line carrier systems - Part 5-1: Lower layer profiles - The spread…

IEC 61334-4-32:1996

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols - Sect…

BS IEC 61000-3-8:1997

Electromagnetic compatibility (EMC). Limits - Guide to signalling on low-voltage electrical installations. Em…