Recktronic Devices & Systems Pvt. Ltd.

Electric SCADA Solutions

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The key to managing a electric supply system is having a “real time” monitoring and control system coupled with an efficient bill recovery system. RDS provides end to end solutions starting at one end with sub stations, feeder pillars, transformers and consumer meters at the other delivering online monitoring and control. Aided by the self developed Reporting & Analysis Software, RDS makes it possible for the utility manager to perform various functions such as Load Analysis, Peak Load Analysis etc .on current and historic data. The utility manager also benefits on the planning perspective by being able to select the best suited loading points and future infrastructure up gradation.

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HT / LT High Value Consumer represent high consumption and high revenue segment for Distribution Companies (DISCOMs). Accurate meter data acquisition for monitoring energy consumption and billing forms an important and critical activity in the entire process of automation.

LWTS solution automates the data capture in a timely manner as per pre-configured schedules for efficient monitoring, management and billing of energy consumed. LWTS solution design involves robustly designed field units which are interfaced with the Energy Meters and transferring data using GPRS/CDMA network to the Central server. Central Station architecture primarily consists of a High-End database server and Application Servers for running the Base Control Software. These are connected to receive data on IP network from multiple locations. Entire architecture is scalable to accommodate large deployments.

 The solution methodology is similar to solution deployed for HT/LT consumers consisting of intelligent modem deployed on each of the DTR meters and transfer of data at predefined intervals over GPRS to central server.

Design involves Intelligent Modem and meter. The modem polls and read the data through optical port of the meter as configured. The configuration of the modem can be done through BCS installed at server end. The meter data is collected and stored on the nonvolatile memory of the modem and will be transferred at a predefined interval to central server over GPRS.

Sub-station will have both incoming and out-going feeders and have multiple meters to collect data from and transfer to central server. LinkwellTelesystems with its innovative technology has devised and successfully implemented the solution using RF and GPRS technology on sub-station feeder metering involving Data concentrator units and Meter interface units.

The methodology adopted has done away the need for modems for each of the individual feeder meters. In place of individual modems, Meter Interface units are used to interface with meter for collection of data. These MIU`s have RF modules built-in to communication with DCU`s. MIU`s collect the data at periodic intervals and transfers over RF to DCU. One DCU can handle a maximum of 8 Meter Interface Units.

Number of DCU`s depends on the number of installed feeder meters in a given sub-station . DCU has RF & GPRS modules built in to communicate with MIU over RF on one end and use GPRS for transfer of data to central server on the other end.