IEC 61204:1993/AMD1:2001
(Amendment)Amendment 1 - Low-voltage power supply devices, d.c. output - Performance characteristics
Amendment 1 - Low-voltage power supply devices, d.c. output - Performance characteristics
Amendement 1 - Dispositifs d'alimentation à basse tension à sortie en courant continu - Caractéristiques de fonctionnement
General Information
- Status
- Published
- Publication Date
- 18-Jan-2001
- Technical Committee
- SC 22E - Stabilized power supplies
- Drafting Committee
- MT 4 - TC 14/MT 4
- Current Stage
- PPUB - Publication issued
- Start Date
- 19-Jan-2001
- Completion Date
- 15-Dec-2000
Relations
- Effective Date
- 05-Sep-2023
Overview
IEC 61204:1993/AMD1:2001 is an important amendment to the international standard governing low-voltage power supply devices with direct current (d.c.) output. Developed by the International Electrotechnical Commission (IEC) Subcommittee 22E on stabilized power supplies under Technical Committee 22 on power electronics, this amendment refines and updates performance characteristics for a wide range of power supplies. It aims to ensure manufacturers and users adhere to consistent, reliable operational criteria for low-voltage d.c. power supplies.
The amendment clarifies the scope, focusing on a.c. or d.c. power supplies with one or multiple outputs, specially designed for unspecified final applications. It establishes additional requirements for performance, protection, environmental testing, and operating conditions, reinforcing the robustness expected from these devices in practical applications.
Key Topics
- Scope Clarification: The amendment specifies application to power supplies produced for undefined final usage, enabling broader applicability beyond product-specific standards. It enables IEC 61204 to complement such standards when performance details are insufficient.
- Source Voltage and Frequency: Introduces new frequency ranges (e.g., 45–55 Hz, 55–65 Hz) and stipulates that manufacturers/users must indicate the need for automatic voltage selection capabilities.
- Output Performance Requirements: Enhancements address electrical characteristics like periodic and random deviations, including total deviation with transient spikes, ensuring accurate performance measurement.
- Protection Devices: Revision and consolidation of protection clauses focus on system safety, including output overcurrent protection with inhibit and retry modes, ensuring reliable operation under fault conditions.
- Acoustic Noise Requirements: Updates redefine interference stipulations toward acoustic noise control, reflecting practical considerations for power supply installations.
- Environmental Testing: Specifies rigorous environmental tests per IEC 60068 series, such as cold, dry heat, damp heat, shock, bump, and vibration. Requirements mandate units be tested both in operation and at rest according to defined severity levels, confirming durability and operational resilience under varied conditions.
- Documentation and Conformance: Manufacturers must confirm that tested units comply with performance metrics post-testing, ensuring ongoing product reliability.
Applications
IEC 61204 amendment 1 is crucial for engineers, manufacturers, and quality assurance professionals involved with low-voltage d.c. power supplies for diverse electronic and electrical equipment. Its applications include:
- Power supply units integrated into consumer electronics, industrial control systems, and communication devices where stable d.c. output is critical.
- Development of universal driver power supplies adaptable to multiple output configurations and varying environmental conditions.
- Supporting compliance verification during product certification, especially when specific product standards do not fully address power supply performance.
- Guiding environmental stress testing protocols to ensure device longevity and stable operation in harsh operational contexts.
- Enhancing system safety through standardized protective device requirements, reducing risks of damage from electrical faults.
Related Standards
IEC 61204 Amendment 1 references and works alongside several other international standards for comprehensive coverage:
- IEC 60068 Series: Environmental testing methods for electronic equipment (cold, heat, humidity, shock, vibration).
- Power electronics standards under IEC Technical Committee 22 governing power conversion and control equipment.
- Specific product standards for power supplies where detailed performance or application criteria are given, with IEC 61204 providing supplementary guidance.
Implementing IEC 61204:1993/AMD1:2001 ensures power supply devices meet international expectations in performance, safety, and reliability, fostering harmonization in global electronics manufacturing and application environments.
Keywords: IEC 61204 amendment, low-voltage power supply, d.c. output, power supply performance, stabilized power supply, power electronics standard, environmental testing IEC 60068, power supply protection, acoustic noise requirements, output overcurrent protection
Frequently Asked Questions
IEC 61204:1993/AMD1:2001 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Amendment 1 - Low-voltage power supply devices, d.c. output - Performance characteristics". This standard covers: Amendment 1 - Low-voltage power supply devices, d.c. output - Performance characteristics
Amendment 1 - Low-voltage power supply devices, d.c. output - Performance characteristics
IEC 61204:1993/AMD1:2001 is classified under the following ICS (International Classification for Standards) categories: 29.200 - Rectifiers. Convertors. Stabilized power supply. The ICS classification helps identify the subject area and facilitates finding related standards.
IEC 61204:1993/AMD1:2001 has the following relationships with other standards: It is inter standard links to IEC 61204:1993. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
IEC 61204:1993/AMD1:2001 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
NORME CEI
INTERNATIONALE IEC
INTERNATIONAL
STANDARD
AMENDEMENT 1
AMENDMENT 1
2001-01
Amendement 1
Dispositifs d'alimentation à basse tension,
à sortie en courant continu –
Caractéristiques de fonctionnement
Amendment 1
Low-voltage power supply devices,
d.c. output – Performance characteristics
IEC 2001 Droits de reproduction réservés Copyright - all rights reserved
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
E
PRICE CODE
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue
– 2 – 61204 amend. 1 CEI:2001
AVANT-PROPOS
Le présent amendement a été établi par le sous-comité 22E de la CEI: Alimentations
stabilisées, du comité d'études 22 de la CEI: Electronique de puissance.
Le texte de cet amendement est issu des documents suivants:
FDIS Rapport de vote
22E/77/FDIS 22E/80/RVD
Le rapport de vote indiqué dans le tableau ci-dessus donne toute information sur le vote ayant
abouti à l'approbation de cet amendement.
___________
Remplacer le titre de cette norme sur la page de couverture, la page de titre et sur les
pages 6 et 10 comme suit:
DISPOSITIFS D'ALIMENTATION
À BASSE TENSION À SORTIE EN COURANT CONTINU –
CARACTÉRISTIQUES DE FONCTIONNEMENT
Page 10
1.1 Domaine d'application et objet
Remplacer le deuxième alinéa par ce qui suit:
Cette norme s'applique à tous les types d'alimentations à base de courant alternatif ou
continu comportant une ou plusieurs sorties, spécialement produites pour une application
finale non connue.
Dans les cas où les alimentations sont développées en tant que composants faisant l'objet de
normes de produits spécifiques, ces normes sont applicables. La norme CEI 61204 peut être
utilisée en tant que norme auxiliaire, surtout si les caractéristiques de performances sont
insuffisamment couvertes par la norme de produit.
Page 20
3.4 Tension et fréquence de source
Ajouter, après le premier alinéa, le nouveau texte suivant:
Le fabricant et/ou l'utilisateur doivent indiquer si un dispositif de sélection automatique de
tension est nécessaire.
Ajouter à l'alinéa «Plage fréquence» les nouvelles valeurs suivantes:
C45 Hz à 55 Hz
D55 Hz à 65 Hz
E49 Hz à 51 Hz
F59 Hz à 61 Hz
61204 Amend. 1 IEC:2001 – 3 –
FOREWORD
This amendment has been prepared by subcommittee 22E: Stabilized power supplies, of IEC
technical committee 22: Power electronics.
The text of this amendment is based on the following documents:
FDIS Report on voting
22E/77/FDIS 22E/80/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
___________
Replace the title of this standard on the cover page, the title page and on pages 7 and 11 as
follows:
LOW-VOLTAGE POWER SUPPLY DEVICES, DC OUTPUT –
PERFORMANCE CHARACTERISTICS
Page 11
1.1 Scope and object
Replace the second paragraph by the following:
This standard is intended to be used for all types of a.c. or d.c. driver power supplies with any
number of outputs, specially produced for an unknown final application.
In the case where power supplies are developed as a component of equipment covered by
specific product standards, these standards apply; the additional application of IEC 61204
may be useful as an option, especially if the performance characteristics are not sufficiently
covered by the product standard.
Page 21
3.4 Source voltage and frequency
Add, after the first paragraph, the following new text:
The manufacturer and/or user shall state whether automatic voltage selection is necessary.
Add to the paragraph "Frequency range" the following new values:
C 45 Hz to 55 Hz
D 55 Hz to 65 Hz
E 49 Hz to 51 Hz
F 59 Hz to 61 Hz
– 4 – 61204 amend. 1 CEI:2001
Page 26
3.10 Déviation périodique et aléatoire
Remplacer le point c) par ce qui suit:
c) total, y compris les transitoires de commutation (la bande passante de l'équipement de
mesure doit être indiquée).
Page 32
3.18 Protection contre les surintensités de sortie
Ajouter le nouveau point E suivant:
E Inhibition et système de réenclenchement
Page 34
Remplacer le titre existant de l'article 4 par le nouveau titre suivant:
4 Prescriptions de dispositifs de protection
Pages 34 et 36
Supprimer les paragraphes 4.1 à 4.6 inclus.
Supprimer le paragraphe 4.7, renuméroter le paragraphe 4.7.1 en 4.1 et le paragraphe 4.7.2
en 4.2.
Page 36
5 Prescriptions d'interférence
Remplacer le titre existant de cet article par le nouveau titre suivant:
5 Prescriptions pour le bruit acousti
...




Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.
Loading comments...