Pool Main Pump Motor: Difference between revisions
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→Variable Frequency Drive (VFD)
Matt Parnell (talk | contribs) |
Matt Parnell (talk | contribs) |
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=== Configuration === | === Configuration === | ||
Subject to further review: | |||
* Variable Torque (VT) for pump control (power is proportional to the cube of the speed) | * Variable Torque (VT) for pump control (power is proportional to the cube of the speed) | ||
=== Safety === | === Safety === | ||
A safety relay (reset and E-stop circuits) and additional contactor (maybe two contactors w/o STO) are likely required. | |||
=== Options === | === Options === | ||
All drives are sized to drive a 15 HP motor, 230 VAC three-phase. | The following options are under consideration (still a work in progress). All drives are sized to drive a 15 HP motor, 230 VAC three-phase. | ||
Unless otherwise noted, all support Modbus RTU (via RS-485). | Unless otherwise noted, all support Modbus RTU (via RS-485). | ||