Hello.

Is there or is there not a neutral in delta connections?

 

Hello,

Does this page help?

Delta Connection (Δ): 3 Phase Power, Voltage & Current Values

What is Delta Connection (Δ)?Delta or Mesh Connection (Δ) System is also known as Three Phase Three Wire System (3-Phase 3 Wire) Voltage, Current & Power Values in 3-Phase Delta Connection. Line Voltages , Phase Voltages, Line Currents & Phase Currents & Power in Delta (Δ) Connection.

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Bertus

 

This might also help.

https://eepower.com/technical-articles/characteristics-and-uses-zig-zag--and-wye-delta-grounding-transformers/

 

What would the electron flow path be in these connections?

 

Then how does the circuit gets completed? What’s the electron flow path? Can anybody tell me?