ISO 27027:2014

Name: ISO 27027:2014 — Aerospace — Solid-state remote power controllers — General performance requirements
SKU: ISO 27027:2014
Price: 25 EUR
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Aerospace — Solid-state remote power controllers — General performance requirements

Название (английский):

ISO 27027:2014

Aerospace — Solid-state remote power controllers — General performance requirements

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 20
Дата публикации:: 21 октября 2014 г.
Издание:: ISO IS 27027 edition 2 version 1
ICS:: 49.060

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Цена:25 €

Описание (английский):

ISO 27027:2014 specifies the definitions, titles of general performance requirements, and test methods to determine the performance of solid state (remote) power controller (SSPC) for use in aerospace electrical power systems. The SSPC consists of solid state-switching device(s) and associated solid-state circuitry for protection, action of control signals, and providing status information.

Abstract

Overview

Key topics and requirements

Scope and definitions: Clear definitions for SSPC functions such as on/off, trip, reset, current limiting, peak let‑through current, reverse current, and arc‑fault types (parallel and series).
Electrical characteristics: Requirements for operation across supply voltage variations and ability to control diverse load types; measured under specified ambient test conditions.
Performance tests: Methods for verifying control signal thresholds, turn‑on/turn‑off times, soft on/off (load voltage rise/fall), isolation, voltage drop, off‑state leakage/output voltage, and power dissipation.
Overload and protection behavior:
- Current limiting and trip curve compliance - SSPC must meet specified trip-time vs current characteristics and limit peak let‑through current.
- Trip‑free behavior - once tripped by overload or arc fault, device remains tripped until reset.
Arc fault detection: Explicit test methods and pass/fail criteria for detecting and tripping on parallel and series arc faults, while avoiding nuisance trips from normal loads or faults on other circuits.
Special switching modes: Zero‑voltage turn‑on / zero‑current turn‑off for AC devices, soft on/off profiles, and reverse‑current tolerance.
Environmental and test conditions: Electrical tests performed with the SSPC mounted on a heat sink and within specified temperature, humidity and pressure ranges.

Applications and who should use it

ISO 27027:2014 is relevant to:

Aerospace electrical system designers and avionics engineers specifying or integrating SSPCs.
Manufacturers of solid‑state remote power controllers seeking product design and test guidance.
Qualification and test laboratories performing performance and compliance verification.
Aircraft OEMs, system integrators and procurement teams creating component requirements and supplier contracts.

Practical uses include product specification, type‑approval testing, design validation for arc‑fault mitigation, and ensuring interoperability with aircraft electrical architectures.

Related standards

ISO 1540 - Aerospace - Characteristics of aircraft electrical systems (referenced for supply variation).
ISO 7137 - Aircraft - Environmental conditions and test procedures for airborne equipment (recommended for environmental tests).
ISO/IEC Directives referenced for document development and maintenance.

Keywords: ISO 27027:2014, SSPC, solid‑state remote power controller, aerospace electrical power systems, arc fault detection, trip curve, current limiting, test methods.

Технические детали

Технический комитет: ISO/TC 20/SC 1 - Aerospace electrical requirements
SKU: ISO 27027:2014

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ISO 27027:2014

Abstract

Overview

Похожие стандарты

Key topics and requirements

Applications and who should use it

Related standards

Технические детали

ISO 15401:2000

Ships and marine technology — Bulk carriers — Construction quality of hull structure

ISO 7137:1995

Aircraft — Environmental conditions and test procedures for airborne equipment

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Soaps and detergents — Techniques of sampling during manufacture

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ISO 3021:2023

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ISO 3826-2:2008

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ISO/IEC 24730-1:2014

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ISO 8668-5:1992

Aircraft — Terminal junction systems — Part 5: Detail specification for type 3 system