# Questions tagged [delta-to-y]

The tag has no usage guidance.

8 questions
Filter by
Sorted by
Tagged with
29 views

### Comparing Motor Starting Methods: Star to DOL vs. Star to Delta

Question: I need to understand the differences between the two motor-starting methods: Case 1: Start with a Star connection and then switch to DOL (Direct-On-Line) [I know this is not standard ...
• 101
75 views

### Why Does Current Flow Through the Neutral in a Wye Transformer Secondary?

I'm trying to understand the behavior of current in the neutral wire of a wye (Y) transformer secondary (EU residential wiring). Specifically, I'm curious about the following points: Does the current ...
• 31
1 vote
46 views

### Delta-Y transformation and dual circuits

I have been thinking about the relationship between delta-Y transforms and the dual of a given circuit and I am confused about a sort of overlap I see. Take a delta circuit with resistances as shown, ...
50 views

### Delta to delta or delta to wye transformer

I am going to feed 240Vac 1-phase into a rotary phase converter the resulting 240 3-phase needs to power two robot controllers, but the controllers require 200-230Vac 3-phase or 400 - 480Vac 3 phase. ...
• 11
121 views

### 4 pronged star to two Y resistor network

Is there any transform that relates four resistors meeting at a central node simulate this circuit – Schematic created using CircuitLab to a set of two Y resistors networks as shown below ...
834 views

### Extending the Delta-Wye/∆-Y Transformation to higher polygons

I was looking at the derivation of the ∆-Y Transformation and decided to replicate the process with a square and its diagonals, i.e. I tried to create a Square-Cross/□-X transformation. But the ...
• 91