what is ring main unit?

Answer Posted / pramod

in normal power system, if load is connected to only one common bus,then whole load depend on it. But, if load is connected in ring system, like ring main system, then if one section getting fault, then other will capable to supply power. So, it is more important for reliability of power supply

Is This Answer Correct ?    7 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to measure the Harmonic Distortion of UPS ie THD?

1735


what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

2862


what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

992


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1308


Wt is the function of reactive power? How it generates & consume though resultant is zero?

1453






whate is the meaning of balance/unbalance,in stabilizers type

1655


How to calculate Voltage regulation of 22 KV Over head Line.

1192


Do inductive loads have distorted current waveforms ?

1392


What is the main cause of magnetism?

1583


How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

3609


What will happen if i used 11KV earth ht kit to 11 KV / 11 KV cable termination?

987


block diagram of 2 ups system connected in hot stand by mode?

7488


why need to be maintain power factor for industrial customer?

4085


Single line diagrams for star to delta and DOL starters.

1813


I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.

1504