If the resistors of star connected system are ZR, ZY, ZB then the impedance ZBR in delta connected system will be?

If the resistors of star connected system are ZR, ZY, ZB then the imp

1.	If the resistors of star connected system are ZR, ZY, ZB then the impedance ZBR in delta connected system will be?
A.	(ZRZY + ZYZB + ZBZR)/ZY
B.	(ZRZY + ZYZB + ZBZR)/R
C.	(ZRZY + ZYZB + ZBZR)/ZB
D.	(ZRZY + ZYZB + ZBZR)/(ZB+ZR)
Answer» B. (ZRZY + ZYZB + ZBZR)/R

Discussion

No Comment Found

Related MCQs

If a star connected system has equal impedances Z1, then after converting into delta connected system having equal impedances Z2, then?
A symmetrical three-phase, three-wire 440V supply is connected to star-connected load. The impedances in each branch are ZR = (2+j3) Ω, ZY = (1-j2) Ω, ZB = (3+j4) Ω. Find ZBR.
A symmetrical three-phase, three-wire 440V supply is connected to star-connected load. The impedances in each branch are ZR = (2+j3) Ω, ZY = (1-j2) Ω, ZB = (3+j4) Ω. Find ZBY.
A symmetrical three-phase, three-wire 440V supply is connected to star-connected load. The impedances in each branch are ZR = (2+j3) Ω, ZY = (1-j2) Ω, ZB = (3+j4) Ω. Find ZRY.
If the resistors of star connected system are ZR, ZY, ZB then the impedance ZBR in delta connected system will be?
If the resistors of star connected system are ZR, ZY, ZB then the impedance ZBY in delta connected system will be?
If the resistors of star connected system are ZR, ZY, ZB then the impedance ZRY in delta connected system will be?
If a resistor ZR is connected between R and N, ZBR between R and B, ZRY between R and Y and ZBY between B and Y form a delta connection, then after transformation to star, the impedance at B is?
If a resistor ZR is connected between R and N, ZBR between R and B, ZRY between R and Y and ZBY between B and Y form a delta connection, then after transformation to star, the impedance at Y is?
If a resistor ZR is connected between R and N, ZBR between R and B, ZRY between R and Y and ZBY between B and Y form a delta connection, then after transformation to star, the impedance at R is?

If the resistors of star connected system are ZR, ZY, ZB then the impedance ZBR in delta connected system will be?

Discussion

No Comment Found

Related MCQs

Reply to Comment