Answer / rashid al-hadifi

Series capacitive (series compensation).
To reduce the total reactive power(MVAR)loss.

Shunt capacitive (Shunt compensation).
To improve system power factor.

Answer / chatinder

shunt compensation is to improve voltage profile.....series compensation is for system stability.

Answer / kailas vanvas singade

Series compensation reduces risk factor hence it is used to hit the current thermal limit.

Answer / monali bhise

Shunt compensation improves power factor of load whereas series compensation has very little effect on load power factor. For a long transmission line where total reactance is large, series capacitors are more effective for improvement of stability.

Answer / mirza

In series compensation voltage is injected into the transmission line while in shunt current is injected....

Answer / krushna

compansation means to overcome from
losses.
Series compansation is used to improve
the line voltage by connecting an
inductor in series in line.
Parallel compansation is improve the
power factor by connecting capacitor in
parallel to load

Answer / anurag_jammed@yahoo.co.in

by compensation we mean reducing losses,if the load at user
end is inductive in nature we use shunt compensation
(capacitive in nature) while if the load at user end is
capacitive we use series compensation(inductive in nature)

Answer / saida

compensation is required to put the constant voltage at
receiving end.
the both series and shunt commentators are same but in the
case of series compensator the losses will be more.

ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

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