Lab.gruppen PLM 12K44 Quick Start Manual
Also see for PLM 12K44: Operation manualOperation manualQuick start guideQuick start guide
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9. Operating voltage10PLM+ SERIES Quick Start Guide rev 1.0.09.1. Low voltage country considerationsAlthough the PLM+ Series has a wide range of operating mains voltage, some considerations can be applicablefor low voltage regions. PLM+ performs well throughout the specified nominal voltage range but has slightly betterefficiency at higher voltages. For regions with nominal voltage below 140 V, one could consider connecting theamplifier in a three-phase delta or two phase split-phase configuration.Note: Following connections applicable only for resulting voltage inside the amplifiers nominalvoltage range.Connecting the amplifier in three phase delta configurationIn three-phase configuration where the phases are 120 degrees apart, one can connect three balanced loads in adelta configuration. The connection is made between the phases instead of between the neutral and a phase.Three phase delta configurationAmp120V120V120VL1AmpL2L3AmpN NAmpAmpAmp3 phase Y 120V 3 phase delta 208V208V208V208VL1 L2L3Connecting the amplifier in a split phase configurationIn two phase split-phase configuration there are two phases separated by 180 degrees. Connecting between thephases gives double the line voltage.Two phase split-phase configurationSplit phase 100V100V 100V 200VL1 Amp L2N AmpSplit phase 200VL1 L2NAmp |
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