Date post: | 17-Aug-2015 |
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Upload: | rakshita-upadhyay |
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introductionLoad shedding : To disconnect the load automatically by
frequency sensetive relay termed as load shedding.
Under frequency load sheddingObject : To balance the load and the genaration . The load is shed a block at a time untill the
frequency stabilize.
Factors affecting load shedding Maximum anticipated overload• load reduction factor (d)• For safest d=0;
Number of load shedding stepsMost utilities use between 2 to 5 load
shedding step.3 is the most common.
Size of load shed at each step• Express as % of overload• % overload = (load-power input/power
output)*100