IEC/TS 62332-1:2011(E) is applicable to EIS containing solid and liquid components where the thermal stress is the dominant ageing factor, without restriction to voltage class. This part specifies a dual-temperature test procedure for the thermal evaluation and qualification of electrical insulation systems (EIS). The following significant technical changes with respect to the … [Read more...]
IEC Releases Transformers Standard for Wind Turbine Applications
IEC 60076-16:2011 applies to dry-type and liquid-immersed transformers for rated power 100 kVA up to 10 000 kVA for wind turbine applications having a winding with highest voltage for equipment up to and including 36 kV and at least one winding operating at a voltage greater than 1,1 kV. Preview the standard. … [Read more...]
IEC Releases Thermal Management Standard
IEC/TS 62610-2:2011 provides for compatible methods of forced air cooled cabinets assembled with associated subracks and/or chassis in accordance with IEC 60297 and IEC 60917 series. This design guide contains the following: Thermal interfaces of subrack and/or chassis based equipment in a cabinet; reference temperature; preferred airflow conditions; airflow volume conditions … [Read more...]
IEC Releases Photovoltaic Pumping Systems Standard
IEC 62253:2011 defines the requirements for design, qualification and performance measurements of photovoltaic (PV) pumping systems in stand-alone operation. The outlined measurements are applicable for either indoor tests with PV generator simulator or outdoor tests using a real PV generator. This standard applies to systems with motor pump sets connected to the PV generator … [Read more...]
Standard Test Method for Pressure Calibration of Thermal Analyzers
This test method, ASTM E2744-10, describes the calibration or performance confirmation of the electronic pressure signals from thermal analysis apparatus. The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. There is no ISO standard equivalent to this test method. This standard does not purport to address all … [Read more...]
