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STATCOM is constructed based on gate turnoff (GTO) thyristors.
Consider the following statements with regard to a GTO: 1. The turn-off gain of the GTO is large. 2. Large negative gate current pulses are required to turn off the GTO. 3. GTO has a large reverse blocking capability. Which of the above statements is/are correct?
In a power system where the voltage-control is done by Static VAR Compensator (SVC), if the power system is modeled as an equivalent voltage source VS and its equivalent system impedance XS, the SVC bus voltage VSVC and SVC current ISVC is given by the relation _______
Thyristors employed in SVC are with the gate turn-off capability.
SVC is NOT based on thyristors.
Positive voltage pulse turns off GTO and negative voltage pulse turns GTO on.
Consider the following sentences: (i) The number of candidates who appear for the GATE examination is staggering. (ii) A number of candidates from my class are appearing for the GATE examination. (iii) The number of candidates who appear for the GATE examination are staggering. (iv) A number of candidates from my class is appearing for the GATE examination. Which of the above sentences are grammatically CORRECT?
A tank of water has a gate in its vertical wall. The gate is 4 m high and 3 m wide. The top edge of the gate is 2 m below the surface of water. What is the hydrostatic force on the gate. Take specific weight of water as 10 kN/m3.
Consider the following statements regarding Thyristor: 1. It conducts when forward biased and positive current flows through the gate 2. It conducts when forward biased and negative current flows through the gate 3. It commutates when reverse biased and negative current flows through the gate 4. It commutates when the gate current is withdrawn Which of these statement(s) is/are correct?
Dehli Gate, Nagauri Gate, Talaqi Gate and Mori Gate are located in which Fort of Haryana?