Missouri American Water, Low Lift #8 VFD & Station Service MCC
St. Louis, Missouri
To provide variable pumping the existing low lift, two-speed, 4kV pump motor was rewound to 460 volts and a variable frequency drive (VFD) was installed. Two existing transformers were removed and replaced with a single 480-volt transformer and a new double-ended motor control center (MCC) was installed. The VFD was interfaced with the Electric Station PLC for automatic and remote control of the pumping from the SCADA system.
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