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Power Quality Monitoring
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ALSTOM Power Quality
Monitoring SolutionsSelling Guide
APRIL 2000
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POWER QUALITY CONCERNS:
In the upper part of the network, the main
concern is to improve the grid load flow In the lower part of the network, the main
concern is to improve the end user Voltage
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INTERCONNECTED TRANSMISSIONNETWORK
SUB TRANSMISSION
DISTRIBUTION
SECONDARY DISTRIBUTION
LV NETWORK
G
G
G
G
SECONDARY(RURAL)DISTRIBUTION
Heavy
Industry
MediumIndustry
Light Industry
POW GEN
IPPPOW GEN
IPP
RenewableSourcesIPPMunicipal
CO-GEN
DOMESTIC
URBANTRANSFORMERS
CHEMICALPLANTS
STEELWORKS
M722
M722
M722
M723
M723
M724
M723
M724
M723
M722
M721
M721
M723
M722 M722
M721
M724HV Sliding refrequired
GRID LOAD FLOWIMPROVEMENT
END USER VOLTAGEIMPROVEMENT
Range MiCOM M720 : PQ Meters
Why assessing the level of Power Quality ?
G
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Customer solutions :
Transmission Utility
Distribution Utility
Industries
Generation, IPP
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Power Quality MonitoringinTRANSMISSION
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Transmission Utility : Customer questions:
How can I monitor the legal and contractual interfaces
inside my network ? Do I need and how can I build-up Power Quality
contracts ?
How to optimise the network planning improving asset
management ?
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Transmission Utility : Monitoring the legal and
contractual interfaces : how PQM can help ?
by monitoring a set of parameters versus PQ standards,
including the sliding HV reference : V,V dips andInterruptions, FRQ, Unbalance, Harmonics to evaluate
the propagation of bad quality over the transmission
network
by producing advanced PQ reports in a user-friendly way, accessible to financial deciders, and to produce
evidence to the customers that the promised Power
Quality level is met
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Transmission Utility : build-up power quality
contracts : how PQM can help ?
by assessing how far is the actual level of Power Quality
from the to be defined standards to evaluate the riskswhile building legal contractual agreements
by monitoring the set of PQ parameters with fully
configurable limits to sharpen the knowledge of PQ, to
eliminate PQ pollution at the source by knowing the level of Power Quality time and space
related, to take planning action to reach the level of PQ
at whatever time and location
by getting advanced reports on PQ data producingcontractual evidences
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Transmission Utility : optimise the networkplanning through better asset management :
how PQM can help ? by getting the relevant PQ data to improve the technical
and financial management of the network by increasing the relevance of the renovation by knowing
the PQ level at critical locations (common coupling
points)
by getting in an efficient way advanced PQ reports, timeand space related to build-up ROI analysis
by knowing the convergence to the PQ standards to
avoid over-quality and consequently over investment
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Transmission Utility : optimise the networkplanning through better asset management :
how PQM can help ? by allowing calculation of potential penalties according to
the type of investment and therefore optimise thefinancial management of my network
by using the PQM data to mitigate PQ sags/Interruptions
and consequently decrease the loss of income due to the
undelivered energy
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Transmission Utility : Power Quality
Monitoring solutions : Which product to
choose in PCB range ?
to monitor the legal and contractual interfaces
(deregulation) -> MiCOM M723
to build-up Power Quality contracts -> MiCOM M724
to optimise the network planning with the asset
management approach -> MiCOM M724
and QR Manager analysis software
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Power Quality MonitoringinDISTRIBUTION
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Distribution Utility : Customer questions:
How can I monitor the legal and contractual interfaces ?
How can I improve the reliability and the availability of thepower delivered to the customers at lower costs ?
How being able to propose premium power contracts ?
How to optimise the network planning improving asset
management ?
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Distribution Utility : monitor the legal and
contractual interfaces : how PQM can help ?
by monitoring a set of parameters versus PQ standards
including Flicker, Inter-harmonics and signalling Voltage by getting efficiently periodic PQ reports
by comparing the actual level of Power Quality versus
other utilities, to make sure to keep a good benchmark
position by monitoring carefully the Power Quality coming from
IPPs
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Distribution Utility : improve the reliability andthe availability of the power delivered to the
customers at lower costs : how PQM can help ?
by getting fast and accurate information on Power Qualitydisruption
by assessing accurately the actual level of Power
Quality to avoid penalties
by monitoring the disturbances created by pollutingcustomers (Industries), and claim penalties
by linking the kwh purchase rate from IPPs to the Power
Quality level
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Distribution utility : being able to propose
premium power contracts : how PQM can
help ? by investigating the actual level of Power Quality to know
where the Quality is harmed and take action by assessing the Power Quality with fully configurable
limits, to get some sections to a top quality power
by building up an offer of targeted quality to sensitive
customers by having a powerful and automatic reports generation
facility
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Distribution utility : optimise the network
planning improving asset management : how
PQM can help ? by investing in a relevant way with best ROI possible,
related to penalties involved by decreasing the loss of income due to the undelivered
energy
by avoiding over-quality for everyone, keeping the best
quality for premium power contracts by recovering the incoming penalties, and avoiding the
out-coming penalties
by managing efficiently the power flow to buy
continuously the best value for money power
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Distribution Utility : Power Quality
Monitoring solutions : Which product to
choose in PCB range ?
to monitor the legal and contractual interfaces(deregulation) -> MiCOM M721
to improve the reliability and the availability of the power
delivered to the customers at lower costs
-> MiCOM M722 to be able to propose premium power contracts
to optimise the network planning with the asset
management approach -> MiCOM M722
and QR Manager analysis software
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Power Quality MonitoringinINDUSTRIES
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Industry :
Power Quality Monitoring : Customers
questions
How can I check that the committed power quality isreached ?
How can I keep the continuity of the process ?
How can I decrease my energy bill ?
How can I avoid penalties (minimise pollution to the grid)
?
How can I optimise the plant ?
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Industry : check that the committed power quality
is reached : how PQM can help ?
by continuously monitoring the level of Power Quality
by processing the necessary statistics , generating thePower Quality index stated in the contract
by getting periodically (typical every week) a reports on
the contractual PQ indices
by making the PQ data accessible to financial people
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Industry : keep the continuity of my process :
how PQM can help ? by getting specific contractual agreement with the utilities
by monitoring the level of Power Quality delivered to their
plant by minimising the effect of the variations of the electrical
supply
by correlating the Power Quality disruptions with the
failures in the process
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Industry : decrease the energy bill : how PQM
can help ? by monitoring accurately the Power Quality parameters
linked to possible penalties
by optimising the energy cost allocations throughout theplant
by getting a deep knowledge of the power flow on the
plant in order to better negotiate with the utilities
by grouping some loads to optimise the costs by getting a cheaper own-generation capability
by billing in the best way the energy sold by the plant
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Industry : avoid penalties (minimise pollution to
the grid) : how PQM can help ? by monitoring continuously the disturbing loads to know
their influence on the level of Power Quality emitted to
outside (arc furnaces etc )
by placing well-dimensioned relevant corrective devices ,
thus avoiding penalties
by getting accurately, statistics on Power Quality data,
with thresholds crossing
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Industry : optimise the plant : how PQM can
help ? by identifying the sensitive loads, and increase their
immunity (rather than rise up the power quality level
everywhere)
by measuring the Power Quality throughout the plant and
build up a risk management plan
by performing a Power Quality level survey , time and
topology related
by getting quickly, well designed Power Quality reports
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Industry : Power Quality Monitoring
solutions : Which product to choose in PCB
range ? to check that the committed power quality is reached
-> MiCOM M721 to keep the continuity of the process -> MiCOM M722
to decrease the energy bill -> MiCOM M722
to avoid penalties (minimise pollution to the grid)
-> MiCOM M722(memory for long duration data logging) -> MiCOM M724
to optimise the plant -> MiCOM M724
and QR Manager analysis software
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Low
Melting ovenCement ovenTansportArc Furnace
Food processing
PaperGlassCarmanufacturer
Metal assemblyMech. ExtrusionIndustrial gasesFiber production
ElectrolysisGrinding
High
Low
AVAI
LABIL
ITY
Steel rollingAluminiumRolling
RefiningChemicals/plastics
Medium High
Q U A L I T Y(Impact of aninterruption)
(Impact of a dip)
IMPACT : in major industries
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AirportDips Interruptions Swell Hi Inter- Hi Flicker Unbalance K-Factor
Telecom.
Cyclo-converterElectronicEquipt
Car Industry
Oil & Gas
Railways
Variablespeed drive
X X X X X X -
X X
-
- - - - - -
X X X XX - - -
X X X XX X- -
X X X X X XX -
X X X X X -- -
- X XX - - - -
X X X XX X- -
Transformer X X XX-- X
Type of Power Quality disruption
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Interruptions
Example of cost per PQ event :
Semi-conductor Industry
Level of Voltage 20 kV
Interr. Rate 1.0 /mnth
Loss / event 52 MUS$ /event
Cost per month 52 MUS$
Cost per year 630 MUS$
Example : process is lasting 70 days with 300 steps in the process, in an oven :700 Wafers x 150 microchips x 500 US$ each
-> loss = 700 x 150 x 500 = 52 M$ !!
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Power Quality MonitoringinOIL & GAS APPLICATION
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Different level are present depending of the
size of the plant :
Main arrival from public utility
Co-generation at sub-transmission or distribution
level
Back-up network at low voltage level
(emergency)
MV loads (motors , crackers etc )
LV loads (motors, pumps, etc )
OIL & GAS PLANT :
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OIL & GAS Plant :
SUB TRANSMISSION
DISTRIBUTION
SECONDARY
DISTRIBUTION
LVNETWORK
G
G
CO-GENERATION
INTERCONNECTED TRANSMISSION NETWORK
LV LOADS
G
EmergencyCO-GENERATION
11KV110KV
N x 40 MW
11KV
36.6KV
N x 20 MW
1000 kW
CO-GENERATION
HV Arrival (Utility)
Big Oil &Gas Plant
Middle sizeOil & GasPlant
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Different parameters are to be monitored :
Monitoring of the main HV arrival from the utility
Monitoring of the correct coupling/Islanding of the
Co-generation devices
Technological monitoring of the Co-generation
turbines
Monitoring (M) and Power Quality Monitoring(PQM)
Power flow (Import/export) monitoring at the
interconnection public network/oil & gas plant
OIL & GAS PLANT :
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Different parameters are to be monitored :
Monitoring of the harmonic pollution of the power
throughout the plant (Variable speed motors,
transformer saturation, etc )
Monitoring of operation during
connection/disconnection of loads
Unbalance rate of the network (phase to phasefaults, Fuse blowing , Unbalanced load)
Billing optimisation (peak hours management)
OIL & GAS PLANT :
Q
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Phenomena to be monitored :
SUB TRANSMISSION
DISTRIBUTION
SECONDARY
DISTRIBUTION
LVNETWORK
INTERCONNECTED TRANSMISSIONNETWORK
LV LOADS
G
EmergencyCO-GENERATION
11KV110KV
N x 40 MW
11KV
36.6KV
N x 20 MW
1000 kW
CO-GENERATION
Network phase changing
Reclosing
Motor Starting
Voltage Current
Motor Starting
Source coupling
VariableSpeedMotor
CO-GENERATION
G
GBig Oil &Gas Plant
Middle sizeOil & GasPlant
P Q lit M it i
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MONITORING AND POWER QUALITY MONITORING
SUB TRANSMISSION
DISTRIBUTION
SECONDARY
DISTRIBUTION
LV NETWORK
INTERCONNECTED TRANSMISSION NETWORK
LV LOADS
G
11KV110KV
N x 40 MW
11KV
36.6KV
N x 20 MW
1000 kW
CO-GENERATION
Reclosing CO-GENERATION
G
G
MiCOM M723
EmergencyCO-GENERATION
M / PQM
MiCOM M722
M / PQM
MiCOM M723
MiCOM M722
MiCOM M721MiCOM M722
M / PQM
M / PQM
M / PQM
M / PQM
M / PQM
MiCOM M724Portable
Big Oil &Gas Plant
Middle sizeOil & GasPlant
P Q lit M it i
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Power Quality MonitoringinGENERATION & IPPs
P Q lit M it i
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Generation and IPP : Customers questions
How can I get evidence that the level of Power Quality is
according the requirements How can I secure the invoicing of different Quality of
Supply of the power generated according to their rates
How can I get technological data about the generating
devices
P Q lit M it i
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Generation and IPP : get evidence that thelevel of Power Quality is according the
requirements : how PQM can help ?
by monitoring continuously the level of Power Qualityaccording the contractual commitment
by keeping the history of the monitored data over an
invoicing period
by producing advanced PQ reports showing evidence ofthe fulfilling of the commitments
P Q lit M it i
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Generation and IPP : secure the invoicing ofdifferent Quality of Supply of the power generatedaccording to their rates:
how PQM can help ?
by having the monitored data , periodically reported to
financial people
by monitoring the power generated according more than
one Power Quality profile by having selected targeted reports according the
different rates
P Q lit M it i
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Generation and IPP : get technological data
about the generating devices :
how PQM can help ? by monitoring a set of parameters linked to the
technology of the generating devices (inter-harmonics,unbalance, flicker etc )
by producing advanced PQ information to technical
specialists for analysis and corrective and preventive
maintenance
Po er Q alit Monitoring
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Generation and IPP : Power Quality
Monitoring solutions : Which product tochoose in PCB range ? to get evidence that the level of Power Quality is
according the requirements-> MiCOM M722
IPPs -> MiCOM M721
to secure the invoicing of different Quality of Supply of
the power generated according to their rates-> MiCOM M722
to get technological data about the generating devices
-> MiCOM M724
and QR Manager analysis software
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Power QualityMonitoring Solutions :M720 + QR Manager
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FLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKERFLICKER
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ALSTOM Power Quality Monitoring
Solutions :
MiCOM M720 : a comprehensive range of Power Quality
Meters QR Manager : advanced analysis software with
automatic PQ report generation
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Medidor de calidad de potencia ALSTOM
Soluciones:
MICOM M720 : amplia gama de medidores de calidad de
potencia
ADMINISTRADOR QR: software de anlisis avanzado
con generador automtico de PQ.
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MiCOM M721
Standard power quality profile
MiCOM M722
Customisable power quality profile - Investigation MiCOM M723
Standard power quality profile - HV sliding
reference
MiCOM M724
Expert investigation - convergence of the PQ
parameters to the PQ standards
MiCOM M720
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MiCOM M721
Perfiles de calidad normalizados
MiCOM M722
Perfiles de calidad configurables - Investigacin MiCOM M723
Perfiles de calidad normalizados - HV sliding
reference
MiCOM M724
Expert investigation - convergence of the PQ
parameters to the PQ standards
MiCOM M720
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POWER QUALITY MONITORINGINTERCONNECTED TRANSMISSIONNETWORK
SUB TRANSMISSION
DISTRIBUTION
SECONDARY DISTRIBUTION
LV NETWORK
G
G
G
G
G
SECONDARY(RURAL)DISTRIBUTION
Heavy
Industry
Medium
Industry
Light Industry
POW GEN
IPPPOW GEN
IPP
RenewableSourcesIPPMunicipal
CO-GENDOMESTIC
URBANTRANSFORMERS
CHEMICALPLANTS
STEELWORKS
M722
M722
M722
M723
M723
M724
M723
M724
M723
M722
M721
M721
M723
M722 M722
M721
M724HV Sliding refrequired
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Medicin de calidad de potenciaRed de transmisin
SUB-TRANSMISION
DISTRIBUCION
DISTRIBUCION
SECUNDARIA
RED BAJATENSION
G
G
G
G
G
RED DEDISTRIBUCIONRURAL
GENERACION
IPPGENERACION
IPP
GeneracinMunicipal
CO-GENERACIONCONSUMODOMESTICO
TRANSFORMADORES URBANOS
INDUSTRIA
INDUSTRIA
M722
M722
M722
M723
M723
M724
M723
M724
M723
M722
M721
M721
M723
M722 M722
M721
M724HV Sliding refrequired
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Parameters
Nb of channels
Moni
toring
:
Phase Voltage (Va, Vb, Vc)
Negative Sequence Voltage
Current (Ia, Ib, Ic)
Neutral Current
Active Power (Pa, Pb, Pc, PT)
Power Factor (Pf1, Pf2, Pf3, PfT)
Memory
4 U/ 4 I 4 U/ 4 I 4 U/ 4 I 4 U/ 4 I
1 Mb 4 Mb 8 Mb 8 Mb
Line Voltage (Vab, Vbc, Vca)
Reactive Power (Qa, Qb, Qc, QT)
Apparent Power (Sa, Sb, Sc, ST)
Frequency
* * * *
* * * *
* * * *
* derived quantity
Harmonics V
Waveform Capture
Harmonics I
Range M721 M722 M723 M724
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Parmetro
Nmero de canales
Tensin de Fase (Va, Vb, Vc)
Tensin de secuencianegativaCorriente: Ia, Ib,
IcCorriente deneutroPotencia Activa: Pa, Pb, Pc,PT
Factor de potencia: Pf1, Pf2, Pf3,PfT
Memoria
4 U/ 4 I 4 U/ 4 I 4 U/ 4 I 4 U/ 4 I
1 Mb 4 Mb 8 Mb 8 Mb
Tensin de lnea: Vab, Vbc,Vca
Potencia reactiva: Qa, Qb, Qc,QTPotencia Aparente: Sa, Sb, Sc,ST
Frecuencia
* * * *
* * * *
* * * *
* Parmetro calculado
Componente harmnica deV
Captura de forma de
onda
Componente harmnica de I
M721 M722 M723 M724
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Parameters
Nb of channels
Sampling Frequency
Inter-harmonics
K-Factor
Storage T_very_short (3sec)
4 U/ 4 I 4 U/ 4 I 4 U/ 4 I 4 U/ 4 I
PQ
Mo
nitoring:
(50) (50) (50) (50)/(100*)
(2) (4) (8) (8)(Pstimax)(Pst) (Pstimax)(Pst)
IEC 1000-4-7
IEC 61000-4-15
5 120 Hz 5 120 Hz 5 120 Hz 5 120 Hz10 240 Hz *
HV Sliding reference
Slow VariationsDips , InterruptionsFrequencyHarmonics, THDRipple clockFlicker
Unbalance rate
* option
EN50160 / IEEE 1159
Configurable standards
Range M721 M722 M723 M724
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ParmetroNmero de
canales
Frecuencia demuestreo
Inter-harmonics
K-Factor
Storage T_very_short(3sec)
4 U/ 4 I 4 U/ 4 I 4 U/ 4 I 4 U/ 4 I
(50) (50) (50) (50)/(100*)
(2) (4) (8) (8)(Pstimax)(Pst) (Pstimax)(Pst)
IEC 1000-4-7
IEC 61000-4-15
5 120 Hz 5 120 Hz 5 120 Hz 5 120 Hz10 240 Hz *
HV Slidingreference
Variacin lentaDips , InterrrupcionesFrecuenciaHarmonicos, THDRipple clockFlicker
Desbalance fases
* opcional
EN50160 / IEEE 1159Configurabl
e
M721 M722 M723 M724
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PQM Analysis software : QR Manager:
95 %
99 %
Paramtre 1 - Paramtre 2 - Paramtre 3 - ......- Paramtre N
Data Analysis : Computation of probability 95% (EN50160), 100% or any
other desired percentage
Representation of the PQ data in Time domain
Representation of the PQ data compared to Power
Quality patterns (CBEMA, ITIC curves, customised)
Bar chart 3D for sorting out
dips and Interruptions
SARFI indicators
DISDIP table
PQ Report generation
Report
Generation
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Software de anlisis PQM : Administrador QR:
95 %
99 %
Paramtre 1 - Paramtre 2 - Paramtre 3 - ......- Paramtre N
Anlisis de datos: Clculo de probabilidad 95% (EN50160)
100% u otro porcentaje requerido.
Grfico temporal de los parmetros de calidad. Comparacin grfica de los parmetros medidos
con modelos normalizados (CBEMA, curvas ITIC,
personalizado)
Grfico de barras 3D. Indicadores SARFI
Tabla DISDIP
Generacin de reporte.
ReportGeneration
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Trend
curves
viewing
integrationto the PQ
report with
the PQ
profile
QR Manager - Report generation
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Curvas de
tendencias
Integracin
del reportePQ con el
perfil PQ
Administrador QR - Generacin de Reporte
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x% value
cumulated
probability
integrationto the PQ
report
QR Manager - Report generation
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o e Qua ty o to g
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Porcentaje del
valor
Probabilidad
acumulada Integracin al
reporte PQ
Administrador QR - Generacin de reporte
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Q y g
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Discrete trend
curve
integration to the
PQ report
QR Manager - Report generation
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Q y g
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Curvas de
tendencia
discreta
Integracin alreporte PQ
Administrador QR - Generacin de reporte
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y g
63
Swell event
Points
representati
on integration to
the PQ
report
QR Manager - Report generation
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y g
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Zoom
Representa-
cin de
Puntos Integracin
al reporte
PQ
Administrador QR - Generacin de reporte
Power Quality Monitoring
-
5/21/2018 BIEL - Original
65/70
y g
65
Downtime
Power Quality
Regulations
Integration
Costs
Staff Shortages
Privatisation
TechnologyManagement
EvolvingTechnology
ZA2490
ELECTRICITY SUPPLY IN A CHANGING
WORLD
Power Quality Monitoring
-
5/21/2018 BIEL - Original
66/70
y g
66
Tiempo fuerade servicio
Calidad de
Potencia
Regulaciones
Integracin
Costos
Escasez depersonal
Privatizacin
Manejo de laTecnologa
Tecnologaevolutiva
ZA2490
SUMINISTRO DE ENERGIA EN UN MUNDO
CAMBIANTE
Power Quality Monitoring
-
5/21/2018 BIEL - Original
67/70
y g
67
ENERGY ACTORS
Customer wants :New servicesAccess to the PQ data,Loyalty
Pay only for what heZA2491
PQ ISSUES
Power Quality Monitoring
-
5/21/2018 BIEL - Original
68/70
68
MERCADOS DEENERGIA
El cliente requiere :Nuevos serviciosAcceso a los datosdecalidad
Pagar nicamente por loZA2491
PQ ISSUES
Power Quality Monitoring
-
5/21/2018 BIEL - Original
69/70
69
Power Quality Monitoring
-
5/21/2018 BIEL - Original
70/70