What are the advantages of ungrounded system?

What are the advantages of ungrounded system?
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1 Answer

Answer :

Supply is maintained even with fault on one line

Less interference to communication lines because of absence of zero sequence currents.
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Related questions

Which of the following represents a characteristic of an ungrounded electrical distribution system? A. Accidental contact between one line and ground does not cause an outage. B. Double ground faults on different phases will not cause an outage. C. Ground detection systems are unnecessary. D. Accidental contact between one line and ground will always cause an outage.

Description : Which of the following represents a characteristic of an ungrounded electrical distribution system? A. Accidental contact between one line and ground does not cause an outage. B. Double ground faults on ... unnecessary. D. Accidental contact between one line and ground will always cause an outage.

Last Answer : Answer: A

Which of the following statements is correct concerning the circuits in a sound powered telephone system? A. The ringing circuit is composed of only one common wire to ground. B. The common talking circuit is composed of two ungrounded wires. C. The ringing circuit has two grounded wires connected to each station. D. The talking and calling circuits are electrically dependent upon each other.

Description : Which of the following statements is correct concerning the circuits in a sound powered telephone system? A. The ringing circuit is composed of only one common wire to ground. B. The common ... connected to each station. D. The talking and calling circuits are electrically dependent upon each other.

Last Answer : Answer: B

Why ungrounded 250V DC system adopted in our system?

Description : Why ungrounded 250V DC system adopted in our system?

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Ungrounded neutral transmission system is not recommended because of system (a) insulation being overstressed due to over voltages (b) insulation overstress may lead to failure and subsequent phase to phase faults (c) being inadequately protected against ground fault (d) all of the above

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I have a Surge Protector (with Data Line protection: ethernet, telephone, coaxial cable) Plugged into a UNGROUNDED Outlet. Do is there a risk? It is Safe?

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Last Answer : My understanding is that the surge protector helps keep your equipment safe. And the grounding helps keep you safe. The surge protector will trip a circuit so any power spikes won't damage your stuff that is ... least that is how my brother in law explained it to me. (he is a licensed electrician)

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Last Answer : C. acts as antenna array

When a transmission line uses ground return, it is called a/an __________ line. A. ungrounded B. balanced C. unbalanced D. grounded

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