IEC 61308:2005

Name: IEC 61308:2005 — High-frequency dielectric heating installations - Test methods for the determination of power output
SKU: IEC 61308:2005
Price: 52200 RUB
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High-frequency dielectric heating installations - Test methods for the determination of power output

Название (английский):

IEC 61308:2005

High-frequency dielectric heating installations - Test methods for the determination of power output

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 29
Дата публикации:: 7 декабря 2005 г.
Издание:: IEC IS 61308 edition 2 version 1
ICS:: 01

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Описание (английский):

Is applicable to industrial high-frequency dielectric heating installations used for the purpose of thermal applications such as melting, drying, welding, insect extermination, and gluing of partially conductive or non-conductive materials. Assists in compliance with the requirements set out in 6.4 of IEC 60519-9 when testing electroheating power sources.

Abstract

Похожие стандарты

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Overview

IEC 61308:2005 is an international standard developed by the International Electrotechnical Commission (IEC) focused on high-frequency dielectric heating installations. The standard specifies test methods for determining the power output of such installations, which are widely used for thermal industrial applications like melting, drying, welding, insect extermination, and gluing materials that are partially or non-conductive. It applies to installations operating with a nominal dielectric heating frequency between 1 MHz and 300 MHz and a rated useful output power above 50 W. The standard aids compliance with section 6.4 of IEC 60519-9 for electroheating power source testing.

Key Topics

Scope of Application

Applies to industrial installations utilizing high-frequency dielectric heating in uses such as plastics processing, woodworking, food production, textile treatment, glass and ceramic manufacturing, and more.
Covers both equipment with independent generators (type A) and integrated systems (type B).

Equipment Classification

Type A: Equipment with a dielectric heating generator that is independent or separable from the applicator.
Type B: Equipment with the generator directly coupled to the applicator (e.g., compact plastic welders).

Test Loads and Methods

Calorimeter Load: Used for measuring output power for loads behaving as a combination of capacitance and resistance, typically for power output above 1 kW.
Lamp/Lamp Load: Used to measure output power up to about 1 kW, using incandescent lamps as resistive elements.
Matched Resistive Load: Applied when the load can connect directly to high-frequency output terminals.
Wet-Sand Load: Employed where direct terminal access is restricted, using sand and moisture to simulate a load within the heating capacitor.
Plastic Welding Electrode Test: Specific test configuration for output assessment on plastic welding machines.

Test Principles

Recommends calibrating test setups to closely simulate typical operational loads.
Outlines careful measurement protocols to ensure precise determination of power output.
Considers safety and electromagnetic compatibility during measurement.

Applications

High-frequency dielectric heating installations are employed across various industries for:

Melting and Drying: Processing plastics, ceramics, textiles, and more, where rapid, uniform heating is required.

Welding: Joining plastic materials, especially thermoplastics, with tightly controlled heat application.

Insect Extermination: Treating wood, food products, and packaging to eliminate pests without chemicals.

Gluing and Laminating: Assisting adhesives and glues to bond materials like wood, glass, paper, and textiles efficiently.

The test methods outlined in IEC 61308:2005 provide manufacturers, testers, and inspectors with robust procedures to validate that equipment delivers the required power output safely and effectively. This ensures product quality, operational efficiency, and regulatory compliance in demanding industrial environments.

Related Standards

IEC 60519-9: Safety in electroheat installations – Part 9: Particular requirements for high-frequency dielectric heating installations. IEC 61308:2005 assists in demonstrating compliance with section 6.4 of this standard.

IEC 60050-841: International Electrotechnical Vocabulary – Part 841: Industrial electroheat. Provides terminology and definitions used within IEC 61308.

Practical Value

Manufacturers use IEC 61308:2005 protocols to verify and document the performance of dielectric heating equipment.

Plant operators rely on compliant equipment for consistent process outcomes and adherence to international safety and performance criteria.

Inspectors and certification bodies reference the standard for consistent, repeatable test procedures in conformity assessments.

Applying IEC 61308:2005 ensures that high-frequency dielectric heating systems are tested rigorously, supporting innovation, safe operation, and international trade in advanced thermal processing technologies.

IEC 61308:2005

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Practical Value

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