Energy MeteringEnergy Metering Advanced Advanced

Technologies &Technologies &Futuristic ViewFuturistic View

Presented ByPresented By

G.Vinaya Kumar, G.Vinaya Kumar, BE(Hons), MIEBE(Hons), MIE

Director (Operation), CPDCLDirector (Operation), CPDCL Retd. Retd.

Utility’s RequirementsUtility’s Requirements

• Commercial OperationsCommercial Operations• Financial Evaluations Financial Evaluations • Energy AuditEnergy Audit• Distribution Business (Franchisees, etc.)Distribution Business (Franchisees, etc.)• Grid Control, Load DespatchGrid Control, Load Despatch• Load SurveyLoad Survey• Power Purchase, ABTPower Purchase, ABT• SCADASCADA• Statistical Analysis, Quality Evaluation, etc.Statistical Analysis, Quality Evaluation, etc.

Existing ScenarioExisting Scenario

Traditionally, Utilities Have…Traditionally, Utilities Have…• Variety of Makes, Models, Types &VersionsVariety of Makes, Models, Types &Versions• No Uniform Standard either in Features, No Uniform Standard either in Features,

Protocols, Communication MethodsProtocols, Communication Methods• Incompatible Softwares, PlatformsIncompatible Softwares, Platforms• No Uniform StandardsNo Uniform Standards• No Single Common Meter Reading No Single Common Meter Reading

Instrument Compatible for the existing Instrument Compatible for the existing Meter BaseMeter Base

CommunicationsCommunications

• PSTN, GSM, GPRS, EDGE, CDMA, PSTN, GSM, GPRS, EDGE, CDMA, RF, PLCC, ZigBee, Wi-Fi, WIMAXRF, PLCC, ZigBee, Wi-Fi, WIMAX

• Modems with interoperable ProtocolsModems with interoperable Protocols

• Operating Systems: DOS, Win98, Win Operating Systems: DOS, Win98, Win XP, Vista, Linux, etc.XP, Vista, Linux, etc.

• Database: SQL Server, Oracle, Access, Database: SQL Server, Oracle, Access, etc.etc.

Vision For FutureVision For Future

Smart & Intelligent Energy Meter with..Smart & Intelligent Energy Meter with..• Capability to Read KWh, KVAh & PF as Capability to Read KWh, KVAh & PF as

Billing Parameters Billing Parameters • In-built Communication of its ownIn-built Communication of its own• Load Survey Data Storage For 45 Days Load Survey Data Storage For 45 Days • Selective Download Facility from Stored DataSelective Download Facility from Stored Data• Wireless Communication preferable between Wireless Communication preferable between

Consumers’ GadgetsConsumers’ Gadgets• PLCC Communication over the LT LinesPLCC Communication over the LT Lines

Wish ListWish List

• 2-Way Communication Facility2-Way Communication Facility– To Display Bill Amount, Due Date, etc.To Display Bill Amount, Due Date, etc.

• Voice ProvisionVoice Provision– To Announce Bill Amount, Due Date, etc.To Announce Bill Amount, Due Date, etc.

• Inter-Operable Communication Capability Inter-Operable Communication Capability with other Devices in a House or Vicinitywith other Devices in a House or Vicinity

Accuracy of MeterAccuracy of Meter

• Undue Importance is being given by Many to Undue Importance is being given by Many to Meter Accuracy; But…Meter Accuracy; But…– High Capacity Meters for Low LoadsHigh Capacity Meters for Low Loads– Low Power FactorLow Power Factor– Higher CT Ratios AdoptedHigher CT Ratios Adopted– Higher CT, PT Accuracies, etc. Higher CT, PT Accuracies, etc. should make anybody to think twice before should make anybody to think twice before insisting Higher Accuracy better than 0.5 insisting Higher Accuracy better than 0.5 Class Class

Any Questions?Any Questions?

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