FACTS controllers do not require diodes for their operation.

FACTS controllers do not require diodes for their operation. Correct Answer False

FACTS controllers do require diodes for their proper functioning. This is because the FACTS devices may be controlled to turn on and turn off the current flow in their forward-conducting direction by means of gate control but some power devices are designed without the capability to block in reverse direction. In the later case those deices are connected with another reverse blocking device in series (which is a diode) or they may be bypassed in the reverse direction by another parallel device (which is also a diode). The diode is thus an indispensible component for several FACTS Controllers.
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