IEC 60156:2018 pdf download

IEC 60156:2018 pdf download

IEC 60156:2018 pdf download.Insulating liquids – Determination of the breakdown voltage at power frequency – Test method 1 Scope This document specifies the method for determining the dielectric breakdown voltage of insulating liquids at power frequency. The test procedure is performed in a specified apparatus, where the oil sample is subjected to an increasing AC electrical field until breakdown occurs....

IEC TR 61289:2019 pdf download

IEC TR 61289:2019 pdf download

IEC TR 61289:2019 pdf download.High frequency surgical equipment and high frequency surgical accessories – Operation and maintenance 1 Scope This document contains guidelines for medical and nursing personnel regarding the safe and effective operation of HIGH FREQUENCY SURGICAL EQUIPMENT and HIGH FREQUENCY SURGICAL ACCESSORIES (also referred to as HF SURGICAL EQUIPMENT in this document). It is also of use to...

IEC 60191-1:2018 pdf download

IEC 60191-1:2018 pdf download

IEC 60191-1:2018 pdf download.Mechanical standardization of semiconductor devices – Part 1: General rules for the preparation of outline drawings of discrete devices 1 Scope This part of IEC 601 91 gives guidelines on the preparation of outline drawings of discrete devices, including discrete surface-mounted semiconductor devices with lead count less than 8. For the preparation of outline drawings of surface-mounted...

IEC TR 63231:2019 pdf download

IEC TR 63231:2019 pdf download

IEC TR 63231:2019 pdf download.Consideration of energy efficiency in wireless power transfer technology 1 Scope This Technical Report (TR) describes the technical background of current energy efficiency efforts related to wireless power transfer (WPT) technology and commercially available products related to related to audio, video and multimedia systems and equipment. This Technical Report examines use cases, standardization efforts of other...

IEC 60268-3:2018 pdf download

IEC 60268-3:2018 pdf download

IEC 60268-3:2018 pdf download.Sound system equipment – Part 3: Amplifiers 1 Scope This part of IEC 60268 applies to analogue amplifiers, and the analogue parts of analogue/digital amplifiers, which form part of a sound system for professional or household applications. It specifies the characteristics that should be included in specifications of amplifiers and the corresponding methods of measurement. NOTE The...

IEC 60276:2018 pdf download

IEC 60276:2018 pdf download

IEC 60276:2018 pdf download.Carbon brushes, brush holders, commutators and slip-rings – Definitions and nomenclature 1 Scope This document applies to carbon brushes for electrical machinery. For the present, it applies only to carbon brushes for commutators and slip-rings in rotating machines. Terms and definitions are relative to the brush construction (references 1 00’s to 500’s and parts of 900’s) and...

IEC 60076-16:2018 pdf download

IEC 60076-16:2018 pdf download

IEC 60076-16:2018 pdf download.Power transformers – Part 16: Transformers for wind turbine applications 1 Scope This part of IEC 60076 applies to dry-type and liquid-immersed transformers for wind turbine step-up applications having a winding with highest voltage for equipment up to and including 72,5 kV. This document applies to the transformer used to connect the wind turbine generator to the...

EN IEC 62684:2018 pdf download

EN IEC 62684:2018 pdf download

EN IEC 62684:2018 pdf download.INTEROPERABILITY SPECIFICATIONS OF COMMON EXTERNAL POWER SUPPLIES (EPS) FOR USE WITH DATA-ENABLED MOBILE TELEPHONES 1 Scope This document specifies the interoperability of common external power supplies for use with data-enabled mobile telephones. It defines the common charging capability and specifies interface requirements for the external power supply. Safety and EMC aspects are not covered by this...

BS IEC 62988:2018 pdf download

BS IEC 62988:2018 pdf download

BS IEC 62988:2018 pdf download.Nuclear power plants – Instrumentation and control systems important to safety – Selection and use of wireless devices 1 Scope This document establishes requirements relevant to the selection and use of wireless devices in instrumentation and control (I&C) systems important to safety used in nuclear power plants (NPPs). Those I&C systems may fully consist of wireless...

IEC 60331-1:2018 pdf download

IEC 60331-1:2018 pdf download

IEC 60331-1:2018 pdf download.Tests for electric cables under fire conditions – Circuit integrity 1 Scope This part of IEC 60331 specifies the test method for cables which are required to maintain circuit integrity when subject to fire and mechanical shock under specified conditions. This document is applicable to cables of rated voltage not exceeding 600 V/1  000 V, including those...