Section 11(1) in Rajasthan Electricity Regulatory Commission (Metering) Regulations 2007
(1)Interface Meters: -(a)Meter location:(i)For Open access consumers, main & check meters shall be installed at delivery point or relevant to termination point of service line at outgoing isolator of licensee's sub station. The standby meter shall be installed at other end of line. This is applicable to open access interface meters having inter connection with transmission system/distribution system.(ii)For Mini Hydel stations, main and check meters shall be provided at energy transfer points, preferably at the generating station out going feeders.(b)Communication:(i)Metering equipment shall have external / internal modem for remote transmission of the data available in the meter memory through any one or more of the communication links such as Radio frequency, PLCC (Power Line Carrier Communication), PSTN (Public Switched Telephone Network), VSAT,OFC(Optical fiber cable), Mobile or any other means of tele-metering like private network of licensee or low power radio.(ii)The meter shall be capable of data transmission to Data concentrator/ Intelligent Electronic Device (IED). Application Programming Interface (API) and output file format shall be provided to the owner by the supplier, to enable data retrieval and interoperability of meters of different makes. Any additional specific requirement of the owner in this respect, shall be fulfilled by the supplier.(c)Time synchronization. - The time synchronization in the meters shall be from base computer (BC) through communication system and modem. The BC shall be equipped with GPS signal receiver for time synchronization of the meters connected through relevant communication system and modem. As a standby measure, the CMRI will be used for time synchronization of the individual meter. There shall also be a provision in the BC to synchronize with preset time delay with the GPS clock of SLDC or CDCS.
