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TERMINOLOGY FOR VOLTAGE-SOURCED CONVERTERS (VSC) FOR HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMSĪDJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 2: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE FREQUENCY A.C.
#IEC 60146 1 1 CHEAP CODE#
3.1 Semiconductor devices and combinationsģ.3 Controllability of converter arms and quadrants ofģ.4 Commutation, quenching and commutation circuitryģ.7 Specific voltages, currents and factorsģ.9 Service conditions tolerances and electromagneticģ.11 Definitions related to insulation co-ordinationĤ Operation of semiconductor power equipment and valve devicesĤ.2 Principal letter symbols and subscriptsĤ.3 Basic operation of semiconductor convertersĤ.3.2 Basic calculation factors for line commutatedĥ.1 Code of identification for cooling methodĥ.2.2 Normal service conditions - Temperaturesĥ.4.1 Steady state and short time conditionsĥ.4.2 Repetitive and non-repetitive transientsĦ Power conversion equipment and assembliesĦ.5.2 Selection of duty class and rated current valueĦ.5.3 Particular remarks for double convertersħ Tests for valve device assemblies and power conversionħ.2.2 Insulation routine tests of power conversionħ.3.1 Light load test and functional testħ.3.4 Measurement of the inherent voltage regulationħ.3.5 Measurement of ripple voltage and currentħ.4.1 Power loss determination for assemblies and equipmentħ.5.2 Checking the properties of the control equipmentħ.7 Measurement of audible noise and additional testsĪnnex A (normative) - Harmonics and interhamonicsĪnnex B (informative) - Electrical environment - Short-circuitĪnnex C (normative) - Protection against electric shock and