Rules for steam turbine thermal acceptance tests - Part 3: Thermal performance verification tests of retrofitted steam turbines

Proposal for an amendment to IEC 60947-1: Low-voltage switchgear and controlgear - Part 1: General rules Power frequency withstand verification after humidity treatment (subclause 8.3.3.4.1, item 5))

Proposal of additional EMC tests for the verification of the proper operation of RCDs in presence of common mode currents lower than 150 KHz.

SB4 Comments received on 46/158/NP: Verification and qualification testing of communication cabling in accordance with ISO/IEC 15018

IEC 1010-3-1: Safety requirements for electrical equipment for measurement, control and laboratory use - Part 3-1: Conformity verification report for IEC 1010-1

Introductory memorandum for the proposed Harmonic Calibration & Verification protocol (to be published as a Technical Report)

Introductory memorandum for the proposed Harmonic Calibration & Verification protocol (to be published as a Technical Report) (This version cancels and replaces document 77A/725/DC)

New Work Item proposal on EC/TR 61000-4-XX. Electromagnetic Compatibility (EMC) -Testing and measurement techniques - Calibration and Verification Protocol for Flicker Compliance test systems

IEC/TR 61000-4-37 Ed.1 : Electromagnetic compatibility (EMC) - Testing and measurement techniques -Calibration and verification protocol for harmonic emission compliance test systems

Proposal for a new work item proposal (NP) on IEC TS 61400-12-4 Ed.1: Wind turbines - Part 12-4: Power performance verification of electricity producing wind turbines based on numerical site calibration.