The Power Ministry said various measures, including automatic load shedding schemes, are in place to prevent electricity grid outages. Besides, the regional and state load despatch centres -- which keep a tab on the load available on the grids -- are advising utilities to check overloading in the network.
"Measures such as frequency based automatic load shedding schemes, system protection schemes, primary response from generators through Free Governor/ Restricted Governor mode of operation are, at present, in place to prevent grid outages and power swings," the Power Ministry said in a statement.
Overdrawing of electricity beyond allocated quota was cited as one of the reasons for the massive grids failure in July 2012 that affected more than half of the country's population.
According to the statement, "No specific rules/guidelines regarding overdrawal of power by states have been issued by Central Electricity Regulatory Commission after the grid disturbance incident during the month of July 2012".
The Enquiry Committee, constituted by the Ministry, in the wake of the grid collapses last year has already come with various recommendations to prevent such incidents in future.
In this regard, Third Party Protection Audit (TPA) of the sub-stations has been completed in all regions of the country.
Other measures including preparation of comprehensive defence plan covering under-frequency, system protection schemes to cover large generation and transmission line outages, have also been initiated.
Source - Economic Times