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TWACS AMI/AMR system
TWACS AMI/AMR system
Supplier Info
[China Supplier]
Contact Person : Mr. Zhang will
Tel : 86-731-88619697
Fax : 86-731-88619686
Product Detail
TWACS Technology based AMI/AMR Solution for IEC Market

TWACS®  AMI/AMR SYSTEM

Wasion Group, well known in China as Changsha Weisheng, announces that its Libra II solid-state meter will become compatible with the TWACS two-way power line communication Advanced Metering system.  TWACS (Two-Way Automatic Communication System) is a product of Aclara Power-Line Systems Inc., a U.S.-based company.  The TWACS Technology leads the Americas in Advanced Metering with over 14 million end-points connected at over 300 utilities, all of them accessible on a real-time basis, 24 hours a day and 7 days a week.  Build your Smart Grid solution based on the unparalleled performance of the TWACS communication system in Wasion's Libra II meter.

Unlike typical PLC systems, the TWACS AMI system does not require equipment at each MV to LV transformer, resulting in lower installation and long term operating  costs.  Thecommunication  equipment is securely located within the MV substation.  The TWACS signals pass bi-directionally through transformers to read 100% of the meters that are supplied by an MV substation.   Reads require only seconds and very large MV substations, with 100,000 or more meters, can be accommodated.  Power outages can be swiftly assessed and restoration monitored on a real-time basis.

Libra II Meter Key Features

Class 1 - IEC 62052-11, 62053-21Rated for outdoor installation IP5410(10)A @ 230V @ 50Hz or 60HzAlso available for other currents/voltagesBuilt-in up to 120A magnetically latching service connect / disconnect relay   Utilisation Category 3 for reliability   Pushbutton for close (two-step)Meter contains several supply capacity limitation algorithms for demand limitingLine voltage and reactive quantities are also available for remote retrievalMany tamper detection featuresEasy-to-read LCD displayInfra-red optical port, ANSI C12.18/19Data organized according to ANSI C12.19

TWACS®  System Key Features

Immediate, real-time access to:  Meter data and relay connection status      Network status (Is power on or off?)Easy infrastructure - only in MV substationsCommunications to MV Smart Grid devicesStandards-based interoperability at head-endAccess to Engineering Quantities such as line voltage, reactive quantities, etc.Power outages logged to improve performanceControl of disconnect switch with single or two-step method (using pushbutton)   Supports Pre-Pay metering systemRemotely configurable:   Load Profile data with up to four channels   Peak Demand Period   Capacity limiting parametersRemotely upgradeable module firmware

TWACS AMI/AMR system

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