Just like fuse burned method that is in parallel with a led diode that is in series with a current limiter resistor but in this place the role of knife switch acts like a open and closed fuse but for finding wrong polarity
Why the third phase is not involved and why the capacitance resistor is not added and how could you connect a not equal current load at a parallel connection that can cause damage of the system and burn generator and also transformers how do you connect a non equal current load generator in a power grid without calculations or without a big shunt based on other countries calculations detailed report sister 😢
We got trouble with motor used this starting method. Instrumentation test fuction but dont loto all vcb, and motor auto run without lubrication system in 25 minutes.