IEC 60986 pdf download
IEC 60986 pdf download.Short-circuit temperature limits of electric cables with rated voltages from 6 kV ( U m = 7,2 kV) up to 30 kV ( U m = 36 kV) 1 Scope This International Standard gives guidance on the short-circuit maximum temperature limits of electric cables having rated voltages from 6 kV ( U m = 7,2 kV) up...
IEC 61839 pdf download
IEC 61839 pdf download.Nuclear power plants – Design of control rooms – Functional analysis and assignment 1 Scope and object This International Standard specifies functional analysis and assignment procedures (FA and A, sometimes called allocation of functions) for the design of the control-room system for nuclear power plants and gives rules for developing criteria for the assignment of functions. This...
IEC 61958 pdf download
IEC 61958 pdf download.High-voltage prefabricated switchgear and controlgear assemblies – Voltage presence indicating systems 1 General 1 .1 Scope This International Standard is applicable to voltage presence indicating systems (VPIS) incor- porated in a.c. switchgear and controlgear covered by IEC 60298 or IEC 60466. Voltage presence indicating systems are devices used to provide information to operators about the voltage condition...
IEC 62027 pdf download
IEC 62027 pdf download.Preparation of parts lists 3 Definitions For the purpose of this International Standard, the following terms and definitions apply. In the definitions, terms that are defined elsewhere in this clause are shown in italics . 3.1 General terms, related to structuring 3.1.1 object entity treated in the process of design, engineering, realization, operation, maintenance and demolition NOTE...
IEC 60255-5 pdf download
IEC 60255-5 pdf download.Insulation coordination for measuring relays and protection equipment – Requirements and tests 1 Scope and object This part of IEC 60255 gives general requirements for the insulation coordination of measuring relays and protection equipment. NOTE 1 Unless otherwise stated, the term “relay(s)” is used as an abbreviation for the expression “measuring relays and protection equipment” in this...
IEC 61504 pdf download
IEC 61504 pdf download.Nuclear power plants – Instrumentation and control systems important to safety – Plant-wide radiation monitoring 1 Scope and object This International Standard provides guidance on the design principles and performance criteria for computer-based radiation monitoring systems (RMS). Such systems are provided to integrate the monitoring of plant-wide processes, effluent streams, and area radiation. This standard describes the...
IEC 61514 pdf download
IEC 61514 pdf download.Industrial-process control systems – Methods of evaluating the performance of valve positioners with pneumatic outputs 1 Scope and object This International Standard specifies tests designed to determine the static and dynamic performance of single-acting or double-acting positioners. The tests may be applied to positioners which receive standard analogue input signals (as specified in IEC 60381 and IEC...
IEC 62107 pdf download
IEC 62107 pdf download.Super video compact disc – Disc-interchange system-specification 1 Scope This International Standard defines the basic specification of the Super Video Compact Disc, (SuperVCD), characterized by high resolution and high picture quality, which matches current TV receivers. This standard is intended to be used as a basis for the design, production and compliance testing of SuperVCD discs and...
IEC 62151 pdf download
IEC 62151 pdf download.SAFETY OF EQUIPMENT ELECTRICALLY CONNECTED TO ATELECO MMUNICATION NET WORK 1 Scope 1.1 Equipment covered by this standard This International Standard is applicable to equipment designed and intended to be connected directly to a TELECOMMUNICATION NETWORK, regardless of the source of power. It is intended for the enhancement of product safety standards so as to cover hazards...
IEC 61468 pdf download
IEC 61468 pdf download.Nuclear power plants – In-core instrumentation – Characteristics and test methods of self-powered neutron detectors 1 Scope and object This International Standard applies to in-core neutron detectors and instrumentation which are designed for purposes important to safety: protection, control and information. It is restricted to characteristics and test methods for self-powered neutron detectors (SPNDs). Self-powered neutron detectors...