pq monitoring with smart meters for condition based maintenance on distribution systems
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PQ Monitoring with Smart Meters for Condition Based Maintenance on Distribution Systems. Tremblay – Canada – Session 2 – 0509. What are you talking about ?. PQ Monitoring with Smart Meters for Condition Based Maintenance on Distribution Systems. A new fault location technique: - PowerPoint PPT PresentationTRANSCRIPT
PQ Monitoring with Smart Meters PQ Monitoring with Smart Meters for Condition Based Maintenance for Condition Based Maintenance
on Distribution Systemson Distribution Systems
Mario TREMBLAYHydro-Québec – [email protected]
Steve CZECH Hydro-Québec – [email protected]
Denis VALIQUETTEHydro-Québec – [email protected]
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
PQ Monitoring with Smart PQ Monitoring with Smart Meters for Condition Based Meters for Condition Based Maintenance on Distribution Maintenance on Distribution SystemsSystems
What are What are you you
talking talking about ?about ?
A condition based maintenance A condition based maintenance ((CBMCBM) system:) system:
MILEMILE – – Maintenance Intelligente Maintenance Intelligente de Lignes Électriquesde Lignes Électriques
A new fault location A new fault location technique:technique:
VDFLVDFL – Voltage Drop – Voltage Drop Fault Location Fault Location
+
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
CBMCBM in distribution system with in distribution system with MILEMILE
Acting before Acting before failurefailure
Why?Why?
Monitoring and Monitoring and locating locating Non Non Persistent FaultsPersistent Faults
How?How?
Reduced outage Reduced outage frequency, frequency, improved reliability improved reliability and productivity and productivity
What are the benefits?What are the benefits?
The distribution lineThe distribution linein its entiretyin its entiretyconsidered as aconsidered as amajor equipmentmajor equipment
What equipments?What equipments? Incipient faults caused byIncipient faults caused bytrees, insulator flashovers,trees, insulator flashovers,loose tie wires, etc.loose tie wires, etc.
What we are looking for?What we are looking for?
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
Z1
Vr(012)
Vi(012)
Z1 Id
ME1
ME3
ME2
Z2
Z3
××× VdVd
Id
V1
V2
V3
Z2 Id
Z3 Id
Substation
3-phase symmetrical component
phasors(0,1,2)
× ×
What is What is VDFLVDFL ? ?Patent Patent PendingPending
Distributed PQ MonitorsDistributed PQ Monitors 4 per feeder (HQ study)4 per feeder (HQ study) Minimum of 2Minimum of 2
Voltage Drop TriangulationVoltage Drop Triangulation Faulty lateral tap indentifiedFaulty lateral tap indentified……
Fault locatedFault located…………………………………...…………………………………...
Voltage fault providedVoltage fault provided………………………………
No measurement calibration No measurement calibration needed needed
No need for accurate time No need for accurate time basisbasis Centralised processing of Centralised processing of
signal synchronisation signal synchronisation
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
VDFLVDFL typical PQ monitoring installations typical PQ monitoring installations
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
Has been proven to be accurateHas been proven to be accurate Fault located within +/- 162m 50% of timeFault located within +/- 162m 50% of time
Gives a reduced set of possible fault locationsGives a reduced set of possible fault locations The zone to patrol is considerably reduced The zone to patrol is considerably reduced Easier to locate non persistent faults Easier to locate non persistent faults
Provides the voltage fault amplitudeProvides the voltage fault amplitude Helps to identify the cause of faults before sending crewsHelps to identify the cause of faults before sending crews
Supplies valuable online informationSupplies valuable online information Provides quick in office PQ analysis without Provides quick in office PQ analysis without
displacementdisplacement
Uses Smart Grid infrastructureUses Smart Grid infrastructure On line PQ monitors will be commonly availableOn line PQ monitors will be commonly available
Why use Why use VDFLVDFL technique ? technique ?
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
Feeders Topology
Weather DataOutage Data
(OMS)Voltage Sag
Data DMS
MILEMILE System Overview System Overview
Fault Location Analysis
(VDFL and others)
Condition Based Maintenance
AnalysisFault location Email Notification
Non persistent fault Identification
Fault TypeIdentification
Repetitive FaultIdentification
Damaged Fuse Identification
MILE SystemsMILE Systems WEB Interface
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
Event calendarEvent calendar
Non persistent fault analysisNon persistent fault analysis
EmailEmail
Topology database Topology database error detectionerror detection
MILEMILE WEB Interface WEB Interface
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
Fault location Fault location
(14 km from (14 km from substation)substation)
SubstatioSubstationn
GoogleGoogleEarth ECEarth EC
Called from Called from MILEMILE WEB interface WEB interface
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
Wind directionWind direction
Zoom inZoom in
100m100m
Real fault Real fault locationlocation
Excessiveconductor swing(Gallop)automaticallyidentified by MILE
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
«« Street View Street View »»
Wind directionWind direction
Possible excessiveconductor swing?
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
Field follow-upField follow-up
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
1200km of conductor
10500 clients
Ongoing Project on 7 Ongoing Project on 7 Distribution FeedersDistribution Feeders
2211
33
445566
77
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
Extensive Extensive CBMCBM practice on the feeder #5 practice on the feeder #5
Ranked among the worst feeders of 2006 and 2007Ranked among the worst feeders of 2006 and 2007Average of 180 outages annually Average of 180 outages annually
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
Outage frequency reduced by Outage frequency reduced by 51%51% CAIDI index reduced by CAIDI index reduced by 61%61% Outages due to unknown causes reduced by Outages due to unknown causes reduced by 9292%%
The benefitThe benefits of s of CBMCBM on the feeder on the feeder #5#5
Crew Recall Time
Travel to Fault Site Time
Fault Location Patrol Time
Repair Time
Working on non persistent faults = Avoiding OutagesWorking on non persistent faults = Avoiding Outages
Outage time frameOutage time frame
Tremblay – Canada – Session 2 – 0509
Frankfurt (Germany), 6-9 June 2011
What’s next?What’s next? Study for sharing Smart Grid infrastructures Study for sharing Smart Grid infrastructures
Advanced Distribution Automation (ADA)Advanced Distribution Automation (ADA) Advanced Metering Infrastructure (AMI)Advanced Metering Infrastructure (AMI) Volt & Var Control (VVC)Volt & Var Control (VVC)
Development of a global concept of fault location Development of a global concept of fault location including outage locations for DMSincluding outage locations for DMS
Industrialisation and commercialisation of Industrialisation and commercialisation of MILE / VDFLMILE / VDFL technology (seeking partners) technology (seeking partners) Call for potential candidates in mid-JuneCall for potential candidates in mid-June Request for proposal (RFP) in SeptemberRequest for proposal (RFP) in September
Tremblay – Canada – Session 2 – 0509