Electrical power, you may recall, is the voltage level multiplied by current flow. A three-phase motor may be set up in one of two configurations: Also, these motors have either six or nine leads.
With a six-lead set-up, you cannot choose whether you get a high-voltage or low-voltage system, but with a nine-lead set-up, you can select either one, using either configuration. This offers a total of four wiring possibilities.
- 12 lead wye start/delta run motor.
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- Wye 3 Phase Dual Voltage Motor Wiring Diagram - Simple Wiring Diagrams?
For reference, L1, L2 and L3 are usually black, red and blue respectively. The motor leads T1 through T9 are normally, in order, blue, white, orange, yellow, black, gray, pink, red and brick red.
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- "Y" Start: Delta Run (12 Leads).
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Refer to a diagram, if possible, when following the steps below. Connect 1 and 7 to L1, 2 and 8 to L2, and 3 and 9 to L3.
Attach the remaining leads 4, 5 and 6 together. Kevin Beck holds a bachelor's degree in physics with minors in math and chemistry from the University of Vermont.
"Y" Start: Delta Run (12 Leads)
Originally Posted by nullsig. For a 12 lead motor there are four potential configurations: Posts 9, Mentioned 1 Post s Tagged 0 Thread s. It's a way to lower starting current by about thirty percent since you are putting the motor windings in series is a rough way to explain it, but torque is also lowered so you switch to delta for full power.
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Originally Posted by ActionDave. Originally Posted by Jraef. This is how they are typically used here in North America. Overseas, they also use them as per what Besoeker said, because for everyone else, the difference between a LV and HV supply is the same ratio, 1. So for them, V is connected in Wye they call it Star , and if you have a V supply, you connect it in Delta.