IEC 60896-11 pdf download
IEC 60896-11 pdf download.Stationary lead-acid batteries 1 Scope and object This part of IEC 60896 is applicable to lead-acid cells and batteries which are designed for service in fixed locations (i.e. not habitually to be moved from place to place) and which are permanently connected to the load and to the d.c. power supply. Batteries operating in such applications are...
IEC 60044-3 pdf download
IEC 60044-3 pdf download.Instrument transformers 1 Scope and object This part of IEC 60044 applies to newly manufactured combined transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. The requirements and tests of this standard, in addition to the requirements and tests of IEC 60044-1, IEC 60044-2 and IEC/PAS 60044-5...
IEC 60494-1 pdf download
IEC 60494-1 pdf download.Railway applications – Rolling stock – Pantographs – Characteristics and tests 1 Scope This part of IEC 60494 defines the general assembly characteristics which are to be applied to pantographs for main line vehicles, to enable current collection from the overhead line system. It also defines the tests the pantographs have to perform, excluding insulators. This standard...
IEC 61967-1 pdf download
IEC 61967-1 pdf download.Integrated circuits – Measurement of electromagnetic emissions, 150 kHz to 1 GHz 1 Scope This part of IEC 61 967 provides general information and definitions on measurement of conducted and radiated electromagnetic disturbances from integrated circuits. It also provides a description of measurement conditions, test equipment and set-up as well as the test procedures and content of...
IEC 60748-1 pdf download
IEC 60748-1 pdf download.Semiconductor devices – Integrated circuits 1 Scope and object This part of IEC 60748 gives general information on integrated circuits. The object of this part of IEC 60748 is to provide information on the general principles or requirements applicable to the IEC 60748 series, which includes the standards for the various categories or sub-categories of integrated circuits....
IEC 60831-1 pdf download
IEC 60831-1 pdf download.Shunt power capacitors of the self-healing type for a.c. systems having a rated voltage up to and including 1 000 V 1 Scope and object This part of IEC 60831 is applicable to both capacitor units and capacitor banks intended to be used, particularly, for power-factor correction of a.c. power systems having a rated voltage up to...
IEC 61811-54 pdf download
IEC 61811-54 pdf download.Electromechanical all-or-nothing relays (1) The name of the national standards organization under whose authority the detail specifi- cation is published and, if applicable, the organization from whom the detail specification is available. (2) The IECQ symbol and the number allotted to the completed detail specification by the IECQ secretariat. (3) The number and the year of availability...
IEC 61850-3 pdf download
IEC 61850-3 pdf download.Communication networks and systems in substations 1 Scope and object This part of IEC 61850 applies to substation automation systems (SAS). It defines the communication between intelligent electronic devices (IEDs) in the substation and the related system requirements. The specifications of this part pertain to the general requirements of the communication network, with emphasis on the quality...
IEC 61982-2 pdf download
IEC 61982-2 pdf download.Secondary batteries for the propulsion of electric road vehicles 3 General test requirements 3.1 Accuracy of measuring instruments 3.1.1 Electrical measuring instruments 3.1.1.1 Range of measuring devices The instruments used shall enable the values of voltage and current to be correctly measured. The range of these instruments and measuring methods shall be chosen so as to ensure...
ISO IEC 20968 pdf download
ISO IEC 20968 pdf download.Software engineering — Mk II Function Point Analysis — Counting Practices Manual 1.1 Mk II FPA is used to measure the size of the functionality required by the users of an application, within a boundary defined for the purpose of the FP count. 1.2 The application or part of the application enclosed by the boundary must...