The basic components of a variable-frequency a.c. controller are a power converter, power inverter, control regulator and reference section (Fig. 3). The power converter changes line a.c. to d.c. The power inverter alters the d.c. to variable-anbsp;...
Title | : | The Chemical engineering guide to compressors |
Author | : | Richard Greene |
Publisher | : | - 1984-01-01 |
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