Power Electronics
Practical way of obtaining static voltage equalization in series connected SCRs is by the use of

  resistors of the same value across each SCR.
 one resistor in series with each SCR.
 resistors of different values across each SCR.
 one resistor across the string.

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Power Electronics
In reverse blocking mode of a thyristor

 junction J2 is in reverse bias and J1, J3 is in forward bias.
  junction J1, J3 is in reverse bias and J2 is in forward bias.
 junction J1 and J2 is in forward bias and J3 is in reverse bias.
 junction J3 is in forward bias and J1, J2 in reverse bias.

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