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Explore overloaded or underutilized network assets, correlation between overloading and equipment breakdown, power theft areas, worst performing feeders, and more. Discover AMR options, including hard-wired, radio, and power line communication. Address implementation challenges for effective AMI deployment.
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Why AMR • Which network assets are overloaded or underutilized? What is the correlation between overloading and equipment breakdown? • Which areas have the highest power theft and tampering? Which were my worst performing feeders/distribution transformers last week? Last 24 hours? • Where can I place capacitor banks for reactive energy reduction? • Which DTRs/consumers require extra vigilance on account of high commercial losses? • Which consumers have violated sanctioned demand in the last month? • Which network nodes have reported outage event last week? • How can I accurately reconcile all my bills with actual consumption? • How can I reduce system peak load through feeder reconfiguration?
Options for AMR • Hard wired • Radio • Power Line (PLCC)
Option 1. Hard wired: The meters are daisy chained to a data concentrator and the data concentrator further transfers the meter data over the other communication mediums viz - PSTN - GSM - GPRS - CDMA - FOP This option is possible for clustered meters. RS485 based meters are not readily available. Risk of Inference/ tamper on communication line.
Option 2 Radio modem on meter : (LPR) Each meter is fitted with a radio transmitting device The meter reading instrument (MRI) has a Radio receiver Cost per meter becomes very high Since meters are enclosed in metal enclosure..external antenna Is needed. Can be considered for HT Trivector meter consumers.
Option 3 • Distribution Line Power communication: • This option requires PLCC interface on the meter • which can be installed • Inside the meter • Out side meter • When mounted inside, Meters requires to be type Tested • For Impulse, HV etc • Meter Read through Pulse output. • Picked from meter card as digital signal. • Meter data transmission option : • Broad cast mode • Polling
Implementation: options : • New meters with associated hardware • - Modify existing meters • - turn key solutions • - Commercial pilot to precede full implementation
Problems in AMR Implementation • Different variety of meters • Different protocols • Common software is not available • Technologies are yet to be matured