Substation Automation and SCADA The Key to efficiency
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Girish Chaitanya Director- Operations Venson Electric Pvt. Ltd. Bangalore E-mail: girishc@vensonelectric.com Mobile: +91 98457 60970
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What
SAS Introduction
An efficient way of automating the management and control of Sub-Station Equipments All activities and process are standardized ( protocols 61850, TCP/IP) Control is on-site or remote Sufficient data logs and history to forecast faults
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What is SAS?
Automation of Substation Equipments for Control and Monitoring Open platform products- No monopoly and dependency on one company SAS includes integration of various Intelligent Electronic Devices (IEDs) like protective relays and multi-function meters With SAS , data management facilities like process monitoring, supervisory control, alarming, reporting and data archiving is achieved
Implemented on the latest IEC61850 protocol standards.
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SAS Features
Easiness of Operation Integrated protection, control, monitoring and automation system Open and modular approach with scalable architecture Bay and station level communication based on open/standard protocols Redundancy architecture ensures 99.99% uptime and availability Fiber optic infrastructure for intra-communication
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SAS Features
Powerful graphical user interface Complete solution for new and existing substations for utility and industrial customers Energy accounting Reduced downtime by utilizing maintenance history for preventive maintenance Implementation of IT, hence manpower is better utilized Report generation for management decisions
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SAS Architecture-an Example
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Substation Integration and Automation Levels
Utility Enterprise Application (Billing, CRM, ERP, MIS) Substation Automation Application IED Integration IED Implementation Power System Equipments (Transformers, Breakers ,etc)
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SAS Integration Levels
Process level: Interfacing of Equipment to IED
Process interface CT, VT, Trip coil, etc
Bay level: Interfacing IED to Bay control units Station level: Interfacing BCU to Gateway, Human Machine Interface(HMI- Software) Network level: Interfacing of Ethernet switch, modem, routers, station computer, server etc.
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Architecture Functional Data Paths
Utility Enterprise Connection (ERP, CRM, Billing, etc)
SCADA Data to Historical Data to Remote connections to IED (for control if required) Master Control Data Warehouse Centre Substation Automation Application (SCADA ) IED Integration, Energy Meters, etc Via Data Concentrator ( Hardware- Software)IED Integration (Bay Control Unit- Integration) with 61850 Power System Equipments (Transformers, Breakers)- Copper Wired through RTU
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Implementations Process
New Substations
IED with Digital Communications (61850) PLC s from Breakers / Transformers to Bay Control Units
Existing Substations
Legacy Devices and Non communicable Devices Integrate Devices with RTU
Bay Control Units to Data Concentrators (with Energy Meters connecting on Modbus) and IEDs connecting on 61850 Connected to HMI servers or SCADA Application
Integrate RTU and Energy Meters with Data Concentrators
Connected to HMI servers or SCADA Application
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Opportunities in SAS
( information collected from ministry of power)
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Stages in Substation Automation
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Up gradation Path Utilities to SAS
So Electricity Boards can go for complete automation from stage 0 to stage 3
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WHY Automate
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How customers are responding to SAS
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Configuring IEDs
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Graphical representations Substation
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Graphical representations of Faults
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SAS for Distribution
Is SAS for Transmission only ?
Revenue Loss, Shutdown
Smart Grid is converging to Smart Home Activity Based Tariff is converging to Device Based Tariff Energy Management Systems (EMS) SAS will have ability to integrate to these systems
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SAS and SCADA
Software (HMI) (Supervisory Control and Data Acquisition)
SCADA, HMI, Operating Systems and Relay Interface Software's
Relay Manufacturer SCADA Application
Siemens ABB
Areve GE Toshiba SEL
SICAM PAS MICROSCADA
PACIS ENMAC/ CIMPLICITY Toshiba SCADA and EMS SEL SCADA
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Capabilities at Venson in SAS
Electrical System Integration
Integration of all Substation Equipments such as Breakers, Transformers, Isolators
Software or HMI
SCADA, HMI, Operating Systems ( win NT )and Relay Interface Software's
Networking
Optical Fiber Cabling, Ethernet Cabling, Switches, RTU (Relay Terminal Unit)
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THANK YOU
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