A5E38977502, A5E42740268, A5E42740240, A5E39021149, A5E39021146, A5E39021143, PERFECT HARMONY GH180
A5E38977502, A5E42740268, A5E42740240, A5E39021149, A5E39021146, A5E39021143, PERFECT HARMONY GH180
Siemens SINAMICS PERFECT HARMONY GH180 VFD series complies with the most stringent voltage and current harmonic distortion standard IEEE 519-1992 requirements, even when the input capacity is not greater than the rated capacity of the inverter. The inverter series can protect other online equipment (such as computers, telephones, electronic ballasts, etc.) from harmonic interference, and at the same time prevent crosstalk with other speed control devices. The pure input characteristics make you do not need time-consuming and laborious harmonic analysis, and also save the cost of using harmonic filters. The total harmonic distortion of the input current is 25% for 6-pulse inverters, 8.8% for 12-pulse inverters, and 0.8% for Siemens SINAMICS PERFECT HARMONY GH180 VFD. The corresponding voltage distortion under typical power supply impedance is 10%, 5.9% and 1.2%, respectively. The above comparison uses a typical 1000 hp current source inverter (6-pulse and 12-pulse mode) and Siemens SINAMICS PERFECT HARMONY GH180 VFD running at 1100kVA, 5.75% impedance power supply conditions.

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