IEC PAS62717:2011 pdfダウンロード。LED modules for general lighting- Performance requirements This PAS specifies the performance requirements for LED modules，together with the testmethods and conditions, required to show compliance with this PAS. The following types of LED modules are distinguished (see Figure 1): – Type 1: Self-ballasted LED modules for use on d.c. supplies up to 250 v or on a.c. supplies up to 1 000 V at 50 Hz or 60 Hz; Type 2: LED modules operating with external controlgear connected to the mains voltage,and having further control means inside (“semi-ballasted”) for operation under constantvoltage, constant, current or constant power; Type...

IEC TR 60649:2007 pdfダウンロード。Calculation of maximum external diameter of cables for indoor installations 1 Scope This Technical Report gives guidance for calculation of the overall cable diameter according to the structure and the dimensions of the cable elements. 2 Terms and definitions For the purposes of this document, the following terms apply. 2.1 General definitions 2.1.1 single conductor solid conductor 2.1.2 solid conductor within the stranded conductor strand 2.1.3 stranded conductor group of assembled strands 2.1.4 cable element conductor, pair, triple, quad, quintuple or other structure. It may be screened or unscreened 2.1.5 solid conductor shape circular 2.1.6 all dimensional...

IEC TR 60787:2007 pdfダウンロード。Application guide for the selection of high-voltage current-limiting fuse-links for transformer circuits 1 Scope and object IEC/TR 60787, which is a technical report, serves as an application guide to the use, for distribution transformer circuit applications, of fuses complying with the requirements of IEC 60282-1 : High-voltage fuses – Part 1 : Current-limiting fuses. Therefore, this document is informative, not normative. The object of this application guide is to specify criteria for coordination of high-voltage fuses with other circuit components in transformer applications and to give guidance for the selection of fuse-links with particular reference to their...

IEC TR 60909-2:2008 pdfダウンロード。Short-circuit currents in three-phase a.c. systems – Part 2: Data of electrical equipment for short-circuit current calculations 1 1.1 General Scope and object This part of IEC 60909 comprises data of electrical equipment collected from different countries to be used when necessary for the calculation of short-circuit currents in accordance with IEC 60909-0. Generally, electrical equipment data are given by the manufacturers on the name plate or by the electricity supplier. In some cases, however, the data may not be available. The data in this report may be applied for calculating short-circuit currents in low-voltage networks if...

IEC TR 60930:2008 pdfダウンロード。Guidelines for administrative, medical, and nursing staff concerned with the safe use of medical electrical equipment and medical electrical systems 1 Scope This technical report is intended to lessen the RISK to PATIENTS , OPERATORS , and their surroundings by providing a code of safe application. This reduction of RISK is in addition to that brought about by the RISK CONTROL measures incorporated in the MEDICAL ELECTRICAL EQUIPMENT , the MEDICAL ELECTRICAL SYSTEM , and the electrical installation in medical locations, hereafter referred to as ME EQUIPMENT , ME SYSTEM and installation respectively. Not all existing ME...

IEC TR 61289:2011 pdfダウンロード。High frequency surgical equipment – Operation and maintenance Scope This technical report contains guidelines for medical and nursing personnel regarding the safeand effective operation of HIGH FREQUENCY SURGICAL EQUIPMENT (also referred to as HSURGICAL EQUIPMENT in this document). It will also be of use to scientific/technical staff whohave responsibility for the maintenance of this equipment. The application guidelines in this document deal with the safe operation of HIGH FREQUENCYSURGICAL EQUIPMENT constructed according to the safety requirements of IEC 60601-1 andIEC 60601-2-2(see Biblography) Not all existing HIGH FREQUENCY SURGICAL EQUIPMENT meets the minimum requirements ofcurrent international standards, however,...

IEC TR 61831:2011 pdfダウンロード。On-line analyser systems – Guide to design and installation Scope This technical report is a quide applicable to on-line analyser systems. lt provides thenecessary guidance for the system supplier and user to specify or design a complete analysersystem from sample point in the process to the final output for display or control purposes. 2Normative references IEC 61285:2004.Industrial-process control – Safety of analyzer houses ISO/IEC8802-3:2000， nformation technologyTelecommunications and informationexchange between systems – Local and metropolitan area networks – Specific requirements -Part 3: Carrier sense multiple access with collision detection (CSMA/CD) access method andphysical layer specifications BS 5925:1991, Code...

IEC TR 61916:2009 pdfダウンロード。Electrical accessories – Harmonization of general rules 1 Scope This technical report provides recommendations and test requirements applicable to electrical accessories. It aims to harmonize general rules for the preparation of international standards in this field. It gives to that effect recommendations which are intended to be used as a guide. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60068-2-31 : 2008, Environmental testing – Part 2-31:...

IEC TR 61946:2007 pdfダウンロード。Mineral insulating oils – Characterization of paraffinic/naphthenic nature – Low temperature differential scanning calorimetry (DSC) test method 1 Scope This technical report offers a test method for the classification of mineral insulating oils as either paraffinic or naphthenic, by means of low-temperature differential scanning calorimetry (DSC). For the purpose of this technical report, the typical operating temperature range extends from –1 00 °C to +1 00 °C. The temperature range can be extended, depending upon the instrumentation used. The method is applicable to mineral insulating oils obtained from petroleum crudes. It may be also applied to mineral...

IEC TR 62002-3:2008 pdfダウンロード。Mobile and portable DVB-T/H radio access – Part 3: Measurement Interface 1 Scope This Technical Report is defining the minimum requirements for a terminal measurement interface to be used in test systems designed to verify the terminal conformance according IEC 62002-1 and IEC 62002-2. The interface is especially designed to be used with terminal category c), hand-held portable convergence terminals, but can obviously be used with other terminal categories as well (see IEC 62002-1 , Clause 4). The measurement interface is used to control the terminal and read the degradation information from the terminal. The test signal...