4. In Y-Y connection, line - to neutral voltage equals the line to - line voltage. (wrong / true / can be true and wrong / cannot be determined) 5. In / over / under / cannot be determined) 6. In a pure resistance circuit, time constant equals. time of current charge or discharge. 7. We cannot use phase system. 8. In the wattmeter of a 3-o system, the current coil is connected in series-parallel / open circuit) because... 9. In a series RLC transient circuit, the final voltage will be across the / inductor / cannot be determined). 10. In squential switching of a transient circuit, we can have / any number) 11. The final status of an inductor in a transient circuit (DC circuit) is open circuit / resistor / cannot be determined) damped response, the output voltage may oscillate like a sine wave. (critical ... ..... (0.25/0.5/1/0.2/0) of the complete (one / two / three / four) wattmeter only in calculating power of a three- ..... ... (series / parallel / (resistor/ capacitor of switches. (two / three/ four (short circuit /

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.61P
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Question
Solve the question from point 4 to point 11
1. We can change the sequence of a three - phase system by
2. The time of transient period is
3. In the two-wattmeter method, the reactive power equals
(T/ ST T' T)
..... ..... .....
{VZ (W; – W2) /
V3 (W1 - W2) / (W1-W2) (W +W2)}
4. In Y-Y connection, line - to - neutral voltage equals the line - to - Iline voltage. (wrong/ true /
can be true and wrong / cannot be determined)
5. In
/ over / under/ cannot be determined)
6. In a pure resistance circuit, time constant equals.
time of current charge or discharge.
7. We cannot use
phase system.
8. In the wattmeter of a 3-o system, the current coil is connected in
series-parallel / open circuit) because...
9. In a series RLC transient circuit, the final voltage will be across the
/ inductor / cannot be determined).
10. In squential switching of a transient circuit, we can have
/ any number)
11. The final status of an inductor in a transient circuit (DC circuit) is
open circuit / resistor / cannot be determined)
damped response, the output voltage may oscillate like a sine wave. (critical
(0.25/0.5/1/0.2/0) of the complete
(one / two / three / four) wattmeter only in calculating power of a three-
(series / parallel /
(resistor / capacitor
of switches. (two / three/ four
(short circuit/
Transcribed Image Text:1. We can change the sequence of a three - phase system by 2. The time of transient period is 3. In the two-wattmeter method, the reactive power equals (T/ ST T' T) ..... ..... ..... {VZ (W; – W2) / V3 (W1 - W2) / (W1-W2) (W +W2)} 4. In Y-Y connection, line - to - neutral voltage equals the line - to - Iline voltage. (wrong/ true / can be true and wrong / cannot be determined) 5. In / over / under/ cannot be determined) 6. In a pure resistance circuit, time constant equals. time of current charge or discharge. 7. We cannot use phase system. 8. In the wattmeter of a 3-o system, the current coil is connected in series-parallel / open circuit) because... 9. In a series RLC transient circuit, the final voltage will be across the / inductor / cannot be determined). 10. In squential switching of a transient circuit, we can have / any number) 11. The final status of an inductor in a transient circuit (DC circuit) is open circuit / resistor / cannot be determined) damped response, the output voltage may oscillate like a sine wave. (critical (0.25/0.5/1/0.2/0) of the complete (one / two / three / four) wattmeter only in calculating power of a three- (series / parallel / (resistor / capacitor of switches. (two / three/ four (short circuit/
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