How did the Variable Frequency Drive(VFD) Develop ?
Finding Perfect Harmony
Peter Hammond, now a consulting engineer of Siemens, thought how to solve a serious and complicated problem with medium-voltage VFDs in the late 1980s. He had been designing low-voltage VFDs for decades. Suddenly, he came up with a solution , which now is owned by Siemens, and he had been trying to scale up the low-voltage design to medium voltage while encountering problems.
2019.03.15
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