three phase

  1. salhi

    Transmission lines problem

    Let a star three-phase balanced circuit with line voltage of 230 V, and load Z = 16 + 12j Calculate the line currents: so we have this circuit : Considering V_a to be the origin of phase-voltage so V_{ab} We have : V_{ab} = V_a \sqrt{3} (30°) \\ V_{bc} = V_b \sqrt{3} (-90°) \\ V_{ca}...
  2. MrNams

    ESP32 to control 3 Phase Submersible Pump

    Hello All, I am working on IOT based Smart Irrigation project. In first phase I shall work on controlling water pump, right now my 7.5hp motor is controlled by "3 phase star delta starter". Could you please provide/point to web source for following queries? 1) Three phase motor don't have...
  3. H

    Convert three phase SPA heater to single phase

    Hi, I've a 6kw water heater that according to the specs should work on single phase, however I'm not sure how to wire it. I've read here on the forum similar issues, however the heating element had a different arrangement. As you can see, mine has like a star shaped common (I tried to connect...
  4. felastian123

    Problem with a three phase circuit

    Hello, I have 2 questions, in the following circuit (is a balanced circuit) I know the value of the impedances, and the voltage of the source, on the left side I can transform the delta type impedance to a star type impedance, and then perform an impedance operation on parallel? (Z // Z) and my...
  5. Venia

    Pspice AC analysis of an equivalent mono phase circuit

    Hi! I've solved and simulated on PSpice a balanced three phase circuit and now I'm considering the equivalent mono phase circuit. I've already done the transient analysis and I'd like to know if I can run other kind of analysis such as an AC SWEEP/NOISE (to simulate the behaviour of the system...
  6. garrettb11

    Unique Delta-Wye Transformer Fault

    I am trying to determine what the secondary voltages would be after the following fault occurred. Basically one phase energized two bushings on a delta-wye transformer. I believe it would be something like this but I am not entirely sure.
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