Monitoring of Utility Distribution MANAGEMENT …...5 Meeting the Needs of Protection Phase Timed...
Transcript of Monitoring of Utility Distribution MANAGEMENT …...5 Meeting the Needs of Protection Phase Timed...
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SR750 & SR760 FEEDERSR750 & SR760 FEEDER
MANAGEMENT RELAYSMANAGEMENT RELAYS
Total Protection, Control, Metering &
Monitoring of Utility Distribution
Feeders
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Presentation OverviewPresentation Overview
� Requirements
�Meeting the Needs
� Cost Analysis
� Our Strengths
� Key Benefits
� Ordering
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Customer RequirementsCustomer Requirements
� Protection
� Control
�Monitoring
�Metering
� Communication
� Inputs & Outputs
� User Interface
� Reliability
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Meeting the Needs of ProtectionMeeting the Needs of Protection� Phase Timed Overcurrent (51P)
� Voltage Restraint
� (12 selectable curves plus 2 Flexcurves)
� Ground Timed Overcurrent (51N)
� Phase & Ground Loset Overcurrent (50PL, 50NL)
� Phase & Ground Hiset Overcurrent (50PH, 50NH)
� Phase & Ground Directional Control
� Zero Sequence (67P)
� Negative Sequence (67N)
� Negative Sequence Instantaneous (46/50) and Time (46/51)
Overcurrent
� Voltage Phase Reversal (47)
� Negative Sequence Overvoltage (59Q)
� Undervoltage & Overvoltage (27-1, 27-2, 59-1, 59-2)
� Underfrequency & Overfrequency (81U-1, 81U-2, 81O-1, 81O-2)
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Meeting the Needs of ControlMeeting the Needs of Control
� Full Remote/Local Control
� Manual Close Control
� 4 ShotAutoreclose (760)� TOC Curves Selection Between Reclosures
� Current Supervison
� Synchrocheck (Voltage, Phase Angle and Frequency)
� Cold Load Pickup
� Power Factor Control
� Load Shedding & Restoration Control
� 4 Settings Groups
� Transfer scheme
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Cold Load PickupCold Load Pickup
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CapacitorCapacitor
SwitchingSwitching
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Meeting the Needs of MonitoringMeeting the Needs of Monitoring
� Event Recorder (Last 128 Events)
� Trace Memory (10 x 16 Cycle Captures)
� Fault Locator
� Breaker Trip & Close Coil Detection
� Breaker Failure
� VT Failure
� Total Breaker Arcing
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WaveformWaveform
AnalysisAnalysis
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BreakerBreaker
ArcingArcing
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Meeting the Needs of MeteringMeeting the Needs of Metering
� Individual Voltages & Currents
� Real, Reactive & Apparent Power Demand
� Real & Reactive Power Costs & Usage
� Running & Maximum Demand Levels
� Frequency & Power Factor
� Synchronizing Voltage & Frequency
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Meeting the Needs of CommunicationsMeeting the Needs of Communications
� RS485/RS422 Serial Port (PLC, SCADA,
PC, DNP 3.0 etc.)
� Front Panel RS232 Program Port
� Fully programmable front keyboard with a
40 character display & status indicators
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Meeting the Needs of InputsMeeting the Needs of Inputs
� 1 analog input channel
� Universal Power Supply (ac/dc)
� 3 phase CTs & VTs
� Zero Sequence ground CT
� 14 selectable logic inputs (21 functions)
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Meeting the Needs of OutputsMeeting the Needs of Outputs
� 6 E/M aux relays, 10A Continuous & 30A
make/carry
� E/M trip, and close relays 20A Continuous
& 40A make/carry (0.2s)
� 1 solid state, 15A @ 250Vdc for 500ms
� 8 analog outputs
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Meeting the Needs of User InterfaceMeeting the Needs of User Interface
� Setup Software
� Flash Memory for Future or Utility
Upgrades or modifications
� Fully Programmable keyboard with 40
character display and status indicators
� Fast and easy to use
� Draw out construction
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Meeting the Needs of ReliabilityMeeting the Needs of Reliability
� Extensive IEC & ANSI Testing
� Complete Burn-in and testing on Relays
� Self Testing
� Draw out Case (no external hardware)
� Front Door with Gasket and Lock Provision
� Heavy Duty Terminals
� ISO 9002 Certified, UL, CSA, ACA
(Australian Standard) & UK Approvals
� Halt testing and CE
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Cost AnalysisCost Analysis
� Full Protection Package
� Full Metering Package complete with
Transducers
� Time Saving Fast and Easy User Setup
� Programmable inputs and outputs
� Fault Recording and Simulation Testing
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Our StrengthsOur Strengths
� Customer Input for Design & Application
� High Quality & Dependable Products
� Built in Flexibility including Flash Memory
� Continuous Upgrading & Windows Software
� Full Technical & Applications Service
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Key BenefitsKey Benefits
� Combines all elements into one, easy to use,
reliable, cost effective package:
Protection Control
Monitoring Metering
Communications User Interface
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OrderingOrdering
� Specify SR 750 or SR 760
� Specify phase current of 5 amp or 1 amp
� Specify ground current of 5 amp or 1 amp
� Specify sensitive ground current of 5A or 1A.
� LO Power Supply range is - DC: 20 to 60V
AC: 20 to 48 V @ 48 to 62 Hz
HI Power Supply range is - DC: 88 to 300 V
AC: 70 to 265 V @ 48 to 62Hz
� Specify Analog outputs: 0-1mA, 0-5mA, 0-10mA and 4-
20mA
� Specify Breaker Closed LED: Red or Green