IN: RE: RAJASTHAN RAJYA VIDYUT PRASARAN NIGAM LTD. MEMBER SECRETARY, NORTHERN REGIONAL POWER COMMITTEE Vs. STATE

JUDGEMENT

(1.) PETITION No. 129/2010 was filed by Northern Regional Load Despatch Centre (NRLDC) seeking the following reliefs:

(2.) ACCORDING to the Petitioner, the frequency profile of the NEW grid had undergone sharp deterioration since the start of the month of April 2010 and the percentage of time during which frequency remained below 49.2 Hz reached up to 80 % on 9.4.2010. The Petitioner submitted that the primary reason for the sustained low frequency was overdrawals by the State Control Areas/Regional Entities in Northern Region. As per the details submitted by the Petitioner, during st to 9th April 2010 all the State Control Areas with the exception of Delhi, were heavily overdrawing from the grid. Based on SCADA data, it was urged that the maximum over -drawal by Rajasthan State control area during 1st to 9th April 2010 was up to 492 MW when frequency was below 49.2 Hz. (during the subject time period the stipulated frequency range as per IEGC was 49.2 -50.3 Hz.) and average overdrawal was 2.4 MU per day.

(3.) AS regards the Respondent in the present Adjudication proceedings, it was submitted that during 1st to 9th April, 2010 at least 23 numbers of "Caution messages" (Message type A) and 18 numbers of "Violation messages" (15 numbers type "B" Message and 3 numbers type "C" Messages) were issued to SLDC, Rajasthan.