SCADA User’s Group MeetingSCADA User’s Group Meeting

Hank Painchaud

Engineering Manager

Automation TopicsAutomation Topics

General Applications

Substation & Distribution Automation

Relay Protection and Co-ordination

Smart Grid

General ApplicationsGeneral Applications

• Synchronous Condensers

• High Voltage DC Stations

• Wind Farms & SA

• Solar Applications & SA

Synchronous CondensersSynchronous Condensers

• Definition

• MVAR Control Leads to P.F. Control

• Condensers vs. Cap Banks

• Operation of an Electrical Generator

• Zion Nuclear Station – Big Cap Bank

High Voltage DC StationsHigh Voltage DC Stations

• Definition

• Dollars and Sizes

• Purposes– Grid Connections

– Stability over Distances

– Configurations

• Automation Controls

Present USA Grid StructurePresent USA Grid Structure

HVDC Station ExampleHVDC Station Example

Wind Farms & SAWind Farms & SA

Wind Speed / Power CurveWind Speed / Power Curve

Future Wind Farms & SAFuture Wind Farms & SA

Solar ApplicationsSolar Applications

Solar & Wind ApplicationsSolar & Wind Applications

Substation & Distribution AutomationSubstation & Distribution Automation

• SCADA – Traditional Functionality

• Functional Requirements

• Elements of Automation IEDs

• RTU Configuration

• Data Integration & Management

Traditional FunctionalityTraditional Functionality

• Automatic Voltage Control / Tap Position

• Breaker Failure Detection / Data Logging

• Load Shedding / Dead Bus Transfer

• RTU Provides Contact Based Local I/O

• Master Station Provides the User Interface

• Station Control System is Isolated from the rest of the Enterprise

Functional RequirementsFunctional Requirements

• Flexible Real Time Mass Data Management

• Security (NERC)

• Load Auto Sectionalizing / Auto Restoration

• Low Data Latency

• Scalability in Size and Function

• Substation Hardened with Noise Immunity

• Use of Standard H/W & F/W Components

Elements of AutomationElements of Automation

• Cap Controls

• Regulators & LTCs

• SOE

• Digital Fault Recording

• Protective Relays

• PLC Functions

Typical RTU ConfigurationTypical RTU Configuration

Multifunction Gateway

Local I/O

status

control

analogBreakerControl

ProgrammableLogic Controllers

Metering

ProtectiveRelays

LocalHMI

GPS Time Base

ALARMSUMMARY8:03:56PMNAHMWestSt.FeederBreakerLockout

8:03:52PMNAHMWestSt.FeederBreakerReclose

8:03:42PMNAHMWestSt.FeederBreakerTripped

8:03:36PMNAHMWestSt.FeederBreakerReclose

8:03:34PMNAHMWestSt.FeederBreakerTripped

8:02:24PMNAHMWestSt.Current620.5HiHiLimit

8:01:53PMNAHMWestSt.Current540.6HiLimit

NAHM

Traction Power SCADA Master

EnterpriseNetwork

Functional DiagramFunctional Diagram

Data Integration & ManagementData Integration & Management

• Data must be Integrated and Communicated– Operational Data for Power Dispatchers

– Engineering Data for System Analysis

• Multifunction Gateway is Required– Interoperability of Multiple Protocols

– Local I/O to Legacy Devices

– Must be easily Configurable

Relay Protection & Co-ordinationRelay Protection & Co-ordination

• Generator

• Transformers

• Line

• Bus

• Feeders

Relay Scheme ProtectionRelay Scheme Protection

Feeder ProtectionFeeder Protection

Standard Relay ApplicationStandard Relay Application

Relay OptimizationRelay Optimization

Smart GridSmart Grid

• Enhanced transmission or distribution networks that utilize network technology, distributed computing, associated sensors and software.

Smart Grid - ExampleSmart Grid - Example

Edison SmartConnentEdison SmartConnent

Smart Grid – Smart MeteringSmart Grid – Smart Metering

• Demand Response

• Distributed Generation Management

• Electrical Storage Management

• Thermal Storage Management

• Transmission Management

• Power Outage and Restoration Detection

• Power Quality Management

• Preventive Maintenance Improves the Reliability, Security / Efficiency of the Grid

SCADA User’s Group MeetingSCADA User’s Group Meeting

• Questions and Answers

• Thank You for Being Part of Our Program this Week