1
44thth Annual Conference & Exhibition Annual Conference & Exhibition
For Metering, Billing and Customer ServiceFor Metering, Billing and Customer Service
In Electricity Industry in the Middle East & AfricaIn Electricity Industry in the Middle East & Africa
Eng. Eng. Maher Soliman MattaMaher Soliman MattaHead of South Cairo Network SectorsCairo Electricity Distribution Co.
Eng. Eng. Azza Abdel HadyAzza Abdel HadyGeneral manager for technical planning affairsEgyptian Electricity Holding Co.
Eng. Eng. Ramadan F.A. El-FetouhRamadan F.A. El-FetouhSenior planning EngineerEgyptian Electricity Holding Co.
October 2003October 2003
2
The electricity was introduced in Egypt in 1893, the The electricity was introduced in Egypt in 1893, the
generation and distribution were owned by private generation and distribution were owned by private
companies for about 70 years.companies for about 70 years.
In July 2001, significant changes in the structure of In July 2001, significant changes in the structure of
the electricity and energy sector took place, the electricity and energy sector took place,
production and distribution were unbundled.production and distribution were unbundled.
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The power system in Egypt serves about 19.2 million The power system in Egypt serves about 19.2 million
customers of which about 16.5 million residential.customers of which about 16.5 million residential.
The total annual energy meters required is about The total annual energy meters required is about
1018116 meters.1018116 meters.
The metering system in Egypt still depends on the The metering system in Egypt still depends on the
electromechanical meters that have many electromechanical meters that have many
disadvantages including low accuracy. disadvantages including low accuracy.
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Today's energy measurement application demand Today's energy measurement application demand
that energy meters be both intelligentthat energy meters be both intelligent and powerful and powerful
to satisfyto satisfy ELECTRIC UTILITESELECTRIC UTILITES challenges of challenges of
accurate measurement besides information needed accurate measurement besides information needed
for improving power quality, customer service and for improving power quality, customer service and
planning for future, planning for future, a complete energy measurement a complete energy measurement
and a communication systemand a communication system can integrate Power can integrate Power
Quality Monitoring, Event Recording, Load Profiling, Quality Monitoring, Event Recording, Load Profiling,
Cutoffs Reporting and more.Cutoffs Reporting and more.
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This presentation will briefly give an This presentation will briefly give an OVERVIEW OF OVERVIEW OF
THE EGYPTIAN ELECTRICITYTHE EGYPTIAN ELECTRICITY AND ENERGY AND ENERGY
SECTORSECTOR ,the specifications of ,the specifications of ELECTRONIC ELECTRONIC
METRESMETRES andand AUTOMATIC METER READING AUTOMATIC METER READING
SYSTEM (AMR)SYSTEM (AMR) accepted byaccepted by ELECTRICITY ELECTRICITY
DISTRIBUTION COMPANIES IN EGYPT.DISTRIBUTION COMPANIES IN EGYPT.
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Why Electronic-Meters and not Electro-Mechanical Why Electronic-Meters and not Electro-Mechanical any more?any more?
ELECTRONIC POWER AND ENERGY METERSELECTRONIC POWER AND ENERGY METERS
Features and CapabilitiesFeatures and Capabilities
Technical SpecificationsTechnical Specifications
AUTOMATIC METER READING ( AMR ) SYSTEMAUTOMATIC METER READING ( AMR ) SYSTEM
Overview of the Egyptian Electricity and Energy Sector Overview of the Egyptian Electricity and Energy Sector
System Features and Capabilities System Features and Capabilities
Meter Interface Unit ( MIU )Meter Interface Unit ( MIU )
Hand Held Unit ( HHU )Hand Held Unit ( HHU )
Data Collecting Unit ( DCU )Data Collecting Unit ( DCU )
Features and Capabilities Of WorkstationFeatures and Capabilities Of Workstation
Reports Required From The WorkstationReports Required From The Workstation
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In February 1976, the Egyptian Electricity Authority In February 1976, the Egyptian Electricity Authority
(EEA) was established under the jurisdiction of the (EEA) was established under the jurisdiction of the
Ministry Of Electricity and Energy (MOEE). Ministry Of Electricity and Energy (MOEE).
The electricity was introduced in Egypt in 1893 The electricity was introduced in Egypt in 1893
through private companies for about 70 years until through private companies for about 70 years until
the nationalization took place in 1962.the nationalization took place in 1962.
EEA was given the exclusive right to generate, EEA was given the exclusive right to generate,
transmit and distribute electricity throughout the transmit and distribute electricity throughout the
whole country.whole country.
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In 1984, the Peoples Assembly cancelled the EEA’s In 1984, the Peoples Assembly cancelled the EEA’s
exclusive right to generate and transmit electricity.exclusive right to generate and transmit electricity.
In April 1996, EEA started the activities related to the In April 1996, EEA started the activities related to the
BOOT power project.BOOT power project.
In 1996, law No. 100 grant local and foreign In 1996, law No. 100 grant local and foreign
investors concessions to Build, Own, Operate and investors concessions to Build, Own, Operate and
Transfer (BOOT) power generation stations.Transfer (BOOT) power generation stations.
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In 2000, the Egyptian Electricity Authority became In 2000, the Egyptian Electricity Authority became
the Egyptian Electricity Holding Company (EEHC), the Egyptian Electricity Holding Company (EEHC),
a joint stock company.a joint stock company.
In July 2001, unbundling the production, In July 2001, unbundling the production,
transmission and distribution functions took place.transmission and distribution functions took place.
The following chart illustrates the last arrangement The following chart illustrates the last arrangement
of the power and energy sector in Egypt.of the power and energy sector in Egypt.
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Distribution CompaniesDistribution Companies
Egyptian Electricity
Transmission Co.
Egyptian Electricity
Transmission Co.Production CompaniesProduction Companies
Egyptian Electricity Holding Co.Egyptian Electricity Holding Co.
East DeltaEast Delta
Hydro plantsHydro plants
West DeltaWest Delta
Upper EgyptUpper Egypt
CairoCairo
AlexandriaAlexandria
South DeltaSouth Delta
CanalCanal
North DeltaNorth Delta
CairoCairo
Upper EgyptUpper Egypt
BeheiraBeheira
Middle EgyptMiddle Egypt
Ministry Of Electricity And EnergyMinistry Of Electricity And Energy
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Installed Capacity : 17331 MW Installed Capacity : 17331 MW
ThermalThermal : 13158 MW (about 76 %): 13158 MW (about 76 %)
HydroHydro : 2745 MW (about 16 %): 2745 MW (about 16 %)
Private SectorPrivate Sector : 1365 MW (about 7 %): 1365 MW (about 7 %)
WindWind : 63 MW: 63 MW
Peak Load : 14401 MW Peak Load : 14401 MW
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Number of Customers : about 19.2 million Number of Customers : about 19.2 millionResidentialResidential : about 16.5 million : about 16.5 million
CommercialCommercial : about 1.5 million: about 1.5 million
IndustryIndustry : about 0.4 million: about 0.4 million
Other sectors Other sectors : about 0.8 million: about 0.8 million
The total annual required metersThe total annual required meters : 1018116: 1018116
Single phase meters Single phase meters : 955000: 955000
Three phase meters Three phase meters : 63116: 63116
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Why Electronic-Meters and not Electro-Mechanical Why Electronic-Meters and not Electro-Mechanical any more?any more?
ELECTRONIC POWER AND ENERGY METERSELECTRONIC POWER AND ENERGY METERS
Features and CapabilitiesFeatures and Capabilities
Technical SpecificationsTechnical Specifications
AUTOMATIC METER READING ( AMR ) SYSTEMAUTOMATIC METER READING ( AMR ) SYSTEM
Overview of the Egyptian Electricity and Energy Sector Overview of the Egyptian Electricity and Energy Sector
System Features and Capabilities System Features and Capabilities
Meter Interface Unit ( MIU )Meter Interface Unit ( MIU )
Hand Held Unit ( HHU )Hand Held Unit ( HHU )
Data Collecting Unit ( DCU )Data Collecting Unit ( DCU )
Features and Capabilities Of WorkstationFeatures and Capabilities Of Workstation
Reports Required From The WorkstationReports Required From The Workstation
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Have no moving parts or magnets that affect the Have no moving parts or magnets that affect the
accuracy of measurements.accuracy of measurements.
Electronic Meters Electronic Meters
Have the ability of discovering and registering by Have the ability of discovering and registering by
date and time stamp wrong connections such as date and time stamp wrong connections such as
current reverse , phase sequence reverse and current reverse , phase sequence reverse and
voltage absence.voltage absence.
Not affected by the external magnetic Not affected by the external magnetic
fields.fields.
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Meters have increased sensitivity, it can achieve Meters have increased sensitivity, it can achieve
a very high level of accuracy a very high level of accuracy ( Class 0.2 )( Class 0.2 ) that that
extends over a wide current dynamic range. extends over a wide current dynamic range.
Electronic Meters Electronic Meters
Meter inclination has no effect to the meter Meter inclination has no effect to the meter
accuracy. accuracy.
Needn’t any calibration through their lifetime, Needn’t any calibration through their lifetime,
have easy and stable calibration without have easy and stable calibration without
hardware adjustmenthardware adjustment
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Can work properly over a wide range of voltage Can work properly over a wide range of voltage
i.e. not affected by voltage drop.i.e. not affected by voltage drop.
Electronic Meters Electronic Meters
Regarding to Industrial Loads one meter can Regarding to Industrial Loads one meter can
measure the following :measure the following :
Active energy. Active energy. Reactive energy.Reactive energy.
Max. demand by date and time stamp. Max. demand by date and time stamp.
Life time of the meter extends to Life time of the meter extends to 30 years30 years and and
moremore and have low power consumption.and have low power consumption.
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Easily enable new functionalities such as Easily enable new functionalities such as
automatic meter reading (AMR), multi-tariff automatic meter reading (AMR), multi-tariff
billing, prepayment, load shedding, power outage billing, prepayment, load shedding, power outage
detection, power factor detection and load detection, power factor detection and load
profile.profile.
Electronic Meters Electronic Meters
The meters can manipulate Fraud and Tamper The meters can manipulate Fraud and Tamper
also can register the time and date of its also can register the time and date of its
occurrence.occurrence.
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The accuracy of the meter is not affected by The accuracy of the meter is not affected by
aging it’s stable over time and temperature.aging it’s stable over time and temperature.
Electronic Meters Electronic Meters
Have flexibility of design and can easily be Have flexibility of design and can easily be
reconfigured and updated (software update).reconfigured and updated (software update).
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Electronic meter is an advanced economical solution Electronic meter is an advanced economical solution
for growing energy measurement requirements of for growing energy measurement requirements of
ELECTRIC UTILITES.ELECTRIC UTILITES.
Electronic meter is an advanced economical solution Electronic meter is an advanced economical solution
for growing energy measurement requirements of for growing energy measurement requirements of
ELECTRIC UTILITES.ELECTRIC UTILITES.
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Why Electronic-Meters and not Electro-Mechanical Why Electronic-Meters and not Electro-Mechanical any more?any more?
ELECTRONIC POWER AND ENERGY METERSELECTRONIC POWER AND ENERGY METERS
Features and CapabilitiesFeatures and Capabilities
Technical SpecificationsTechnical Specifications
AUTOMATIC METER READING ( AMR ) SYSTEMAUTOMATIC METER READING ( AMR ) SYSTEM
Overview of the Egyptian Electricity and Energy Sector Overview of the Egyptian Electricity and Energy Sector
System Features and Capabilities System Features and Capabilities
Meter Interface Unit ( MIU )Meter Interface Unit ( MIU )
Hand Held Unit ( HHU )Hand Held Unit ( HHU )
Data Collecting Unit ( DCU )Data Collecting Unit ( DCU )
Features and Capabilities Of WorkstationFeatures and Capabilities Of Workstation
Reports Required From The WorkstationReports Required From The Workstation
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Have current sensing for both phase and neutral, Have current sensing for both phase and neutral,
registers the energy consumption correctly registers the energy consumption correctly
under tampered conditionsunder tampered conditions..
Consumption is not affected by polarity Consumption is not affected by polarity
sequence.sequence.
Visual annunciation in the form of Visual annunciation in the form of LEDLED from front from front
takes place in case of opening terminals box or takes place in case of opening terminals box or
meter cover.meter cover.
Tamper-proof design and construction Tamper-proof design and construction
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Records the full energy consumed even in case of: Records the full energy consumed even in case of:
Tamper-proof design and construction Tamper-proof design and construction
Phase terminals are externally by passed.Phase terminals are externally by passed.
Reversal of input and output terminals.Reversal of input and output terminals.
Phase-in and phase-out connections are Phase-in and phase-out connections are shorted.shorted.
Load is partially or fully drawn through Load is partially or fully drawn through
external earth.external earth.
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6 12111098754321
L1L1
L2L2
L3L3
NN
×
××××
×
Reversal of input and output terminalsReversal of input and output terminals..Reversal of input and output terminalsReversal of input and output terminals..
Consumption isConsumption is correctly registeredcorrectly registered
Consumption isConsumption is correctly registeredcorrectly registered
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6 12111098754321
L1L1
L2L2
L3L3
NN
×××
×××
Phase terminals are externally by passedPhase terminals are externally by passedPhase terminals are externally by passedPhase terminals are externally by passed
Consumption is Consumption is correctly registeredcorrectly registered
Consumption is Consumption is correctly registeredcorrectly registered
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Phase-in and phase-out connection are shortedPhase-in and phase-out connection are shorted Phase-in and phase-out connection are shortedPhase-in and phase-out connection are shorted
Imbalance Imbalance DetectionDetection
Consumption Consumption is correctly is correctly registeredregistered
Imbalance Imbalance DetectionDetection
Consumption Consumption is correctly is correctly registeredregistered
L1L1
L2L2
L3L3
NN
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L
oad
Lo
ad
Lo
adL
oad
Imbalance Imbalance DetectionDetection
Consumption is Consumption is correctly registeredcorrectly registered
Imbalance Imbalance DetectionDetection
Consumption is Consumption is correctly registeredcorrectly registered
Load is partially or fully drawn through external earthLoad is partially or fully drawn through external earthLoad is partially or fully drawn through external earthLoad is partially or fully drawn through external earth
L1L1
L2L2
L3L3
NN
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Not affected by power failure, it contains early Not affected by power failure, it contains early
detection means of power failure, which permits detection means of power failure, which permits
control circuits to store data of consumption, and control circuits to store data of consumption, and
configure the circuit for this failure. configure the circuit for this failure.
Equipped with Equipped with LEDLED for meter testing, calibration for meter testing, calibration
and operation indication.and operation indication.
Retention time of the Non-volatile memory shall Retention time of the Non-volatile memory shall
not be less than not be less than 20 years20 years even in case of power even in case of power
failure.failure.
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The housing endures shocks and operation The housing endures shocks and operation
conditions. It is made of heat resistant and flame conditions. It is made of heat resistant and flame
retardant material.retardant material.
Doesn’t contain moving parts “solid state meter”.Doesn’t contain moving parts “solid state meter”.
Life – time of the screen is not less than life–time Life – time of the screen is not less than life–time
of the meter.of the meter.
Doesn’t contain parts that need periodic Doesn’t contain parts that need periodic
replacement.replacement.
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Doesn’t require any calibration or maintenance, Doesn’t require any calibration or maintenance,
stability of meter accuracy is guaranteed during stability of meter accuracy is guaranteed during
its life time. its life time.
Doesn’t generate electro-magnetic waves or Doesn’t generate electro-magnetic waves or
harmonics that may interfere other instruments harmonics that may interfere other instruments
or be superimposed on power lines.or be superimposed on power lines.
Metering element is shielded against external Metering element is shielded against external
magnetic fields and protected against over volts magnetic fields and protected against over volts
and high frequency disturbances.and high frequency disturbances.
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In case of Industrial loads In case of Industrial loads
Equipped with a clock, a calendar to get real time Equipped with a clock, a calendar to get real time
and date accurately which has a backup power and date accurately which has a backup power
means that ensures the operation of the clock means that ensures the operation of the clock
during the power failure and doesn’t need periodic during the power failure and doesn’t need periodic
replacement. replacement.
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Can be programmed by multi-rate tariff, controlled Can be programmed by multi-rate tariff, controlled
by internal timing circuitry and a built in tariff time by internal timing circuitry and a built in tariff time
switch module, has a minimum of switch module, has a minimum of 8 switching 8 switching
timestimes and capable of providing different and capable of providing different
programmable tariff structures for week end and programmable tariff structures for week end and
holiday periods.holiday periods.
In case of Industrial loads In case of Industrial loads
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Can be tested and programmed in laboratory or by Can be tested and programmed in laboratory or by
portable portable Hand Held UnitHand Held Unit (HHU)(HHU) from front of the from front of the
meter through communication port according to meter through communication port according to
IEC 1107IEC 1107 which is used to load tariff programs, which is used to load tariff programs,
retrieve, or modify registered data without removing retrieve, or modify registered data without removing
the meter cover.the meter cover.
In case of Industrial loads In case of Industrial loads
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Records the following events (Records the following events (by date and time stampby date and time stamp):):
Missing voltage.Missing voltage.
Current reversal.Current reversal. Current short / Current short /
open.open.
Opened cover or terminal-box cover.Opened cover or terminal-box cover.
Tamper and fraud occurrences.Tamper and fraud occurrences.
On each event an annunciation takes place On each event an annunciation takes place
(a symbolic representation on the (a symbolic representation on the LCDLCD screen screen
oror LEDLED indication from front of the meter).indication from front of the meter).
In case of Industrial loads In case of Industrial loads
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A Contactor and a push button shall be fitted as A Contactor and a push button shall be fitted as
integral parts to the electronic meter, according to integral parts to the electronic meter, according to
standard specifications standard specifications IEC 158 – 1,2IEC 158 – 1,2 in order to in order to
disconnect and reconnect the supply. The push disconnect and reconnect the supply. The push
button is used to restore the supply if it was shut button is used to restore the supply if it was shut
down by the contactor according to the company’s down by the contactor according to the company’s
instructions through the communication media and instructions through the communication media and
the system software, after removing the cause of the system software, after removing the cause of
disconnection.disconnection.
In case of applying A.M.R system In case of applying A.M.R system
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Reference standard Reference standard
International Standard specifications International Standard specifications “IEC-61036”“IEC-61036”
or equivalent. or equivalent.
Electronic Meters designed for measurement of Electronic Meters designed for measurement of
electric energy electric energy (low voltage 220 / 380 V)(low voltage 220 / 380 V) consumed consumed
by customers. The meters are suitable for by customers. The meters are suitable for
household, commercial, industrial applications and household, commercial, industrial applications and
the installation inside, distribution kiosks and the installation inside, distribution kiosks and
boxes by direct or through current transformer boxes by direct or through current transformer
connection.connection.
Description Description
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The meter housing and it’s cover shall be of The meter housing and it’s cover shall be of
robust construction made of polycarbonate. They robust construction made of polycarbonate. They
are heat-resistant and flame retardant according are heat-resistant and flame retardant according
toto “IEC 695-2-1”.“IEC 695-2-1”.
The meter and the terminals cover shall be held The meter and the terminals cover shall be held
by a cross drilled and sealed security screws.by a cross drilled and sealed security screws.
“The meter and the terminals box shall be leaded “The meter and the terminals box shall be leaded
and stamped”.and stamped”. They shall be provided by a They shall be provided by a
means of tamper and fraud detectionmeans of tamper and fraud detection
Description Description
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Terminal - BoxTerminal - Box
Diameter of Diameter of
Input - OutputInput - Output
terminalsterminals
Single – phase Single – phase meter direct meter direct
connection up connection up toto 80 A80 A
Three – phase Three – phase meter direct meter direct
connection up connection up toto 100 A100 A
Three – phase Three – phase meter with meter with
current current transformerstransformers
mmmm 99 1010 33
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CurrentCurrent
Frequency Frequency
VoltageVoltage
Single PhaseSingle Phase, , operating voltageoperating voltage 220 ± 20 %220 ± 20 %
Three phaseThree phase, , operating voltageoperating voltage 380 ± 20 %380 ± 20 %
Single Phase; XA / 220 V, 2 wires.Single Phase; XA / 220 V, 2 wires.
Three phase; XA/380 V, 4 wires.Three phase; XA/380 V, 4 wires.
((X, X, according to the company’s requirement) according to the company’s requirement)
50 Hz ± 2 %50 Hz ± 2 %
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Single PhaseSingle Phase : : KWH consumed, max. demand KWH consumed, max. demand
(option).(option).
Three phaseThree phase : XA/380V KWH, KVARH, max. : XA/380V KWH, KVARH, max.
demand and power factor. demand and power factor.
: X/5A with C.T KWH, KVARH, max. : X/5A with C.T KWH, KVARH, max.
demand and power factor. demand and power factor.
Accuracy Class Accuracy Class Class 1 Class 1
Measuring Measuring
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Single phase Single phase : 2 wires, Direct connection. : 2 wires, Direct connection.
Three phase Three phase : 4 wires, Direct connection or : 4 wires, Direct connection or
through current transformers. through current transformers.
No of SealingNo of Sealing
Top cover :Top cover : 22
Terminal box :Terminal box : 11
ConnectionConnection
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Fully electronicFully electronic LCD,LCD, display is retained during display is retained during
loss of power. loss of power.
6 digits6 digits at least, display area not less thanat least, display area not less than
20 mm20 mm22 for each digit.for each digit.
Registers shall reset to zero after they have Registers shall reset to zero after they have
reached their max. indicationreached their max. indication 999999.999999.
All registered data about consumption, reverse All registered data about consumption, reverse
energy and aggregate shall be displayed. energy and aggregate shall be displayed.
Display ScreenDisplay Screen
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A symbolic annunciation is present on the A symbolic annunciation is present on the LCDLCD
screen to indicate the following:screen to indicate the following:
Phase present indication.Phase present indication.
Phase sequence monitoring (blinking in case Phase sequence monitoring (blinking in case
of reverse phase sequence).of reverse phase sequence).
Tariff information.Tariff information.
LED Indications LED Indications
Tamper and fraud detection.Tamper and fraud detection.
Opened cover or terminal box. Opened cover or terminal box.
Other annunciation on LCD screen Other annunciation on LCD screen
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Power Consumption in voltage circuits <Power Consumption in voltage circuits < 2 W2 W
Power Consumption in current circuitsPower Consumption in current circuits < < 4 VA4 VA
Relative Humidity Relative Humidity
ZeroZero toto 90 %90 % or betteror better
Energy Consumption Energy Consumption
Degree of protection Degree of protection
IP 51 IP 51 Data retention Data retention
Not less thanNot less than 20 years (un-powered).20 years (un-powered).
Temperature Range (operation) Temperature Range (operation)
5°C5°C toto 70°C70°C ambient temperature for electronic ambient temperature for electronic
components inside the meter up tocomponents inside the meter up to 80°C.80°C.
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Why Electronic-Meters and not Electro-Mechanical Why Electronic-Meters and not Electro-Mechanical any more?any more?
ELECTRONIC POWER AND ENERGY METERSELECTRONIC POWER AND ENERGY METERS
Features and CapabilitiesFeatures and Capabilities
Technical SpecificationsTechnical Specifications
AUTOMATIC METER READING ( AMR ) SYSTEMAUTOMATIC METER READING ( AMR ) SYSTEM
Overview of the Egyptian Electricity and Energy Sector Overview of the Egyptian Electricity and Energy Sector
System Features and Capabilities System Features and Capabilities
Meter Interface Unit ( MIU )Meter Interface Unit ( MIU )
Hand Held Unit ( HHU )Hand Held Unit ( HHU )
Data Collecting Unit ( DCU )Data Collecting Unit ( DCU )
Features and Capabilities Of WorkstationFeatures and Capabilities Of Workstation
Reports Required From The WorkstationReports Required From The Workstation
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Watt-hour Meters equipped with two- way communicationWatt-hour Meters equipped with two- way communication
Automatic Meter Reading System SchemeAutomatic Meter Reading System Scheme
Energy Management
M/S
Central Work
Station
modem
Concentrator
modem
Concentrator
10.5kv 380/220v 380/220v 10.5kv
GGSSMM
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The system provides dependable bi-directional The system provides dependable bi-directional
communication between connected electricity communication between connected electricity
meters and the central workstation for meters and the central workstation for
transmitting, receiving data required for the transmitting, receiving data required for the
existing metering and / or billing system (s), existing metering and / or billing system (s),
downloading / modifying tariff structure downloading / modifying tariff structure
programs and instructions, generate graphs of programs and instructions, generate graphs of
load profile, demand analysis and any other load profile, demand analysis and any other
metering applications required. metering applications required.
47
The software and data transmitted shall be The software and data transmitted shall be
compatible with the existing (household, compatible with the existing (household,
commercial, light industrial, industrial) metering commercial, light industrial, industrial) metering
and / or billing application (s) found in the and / or billing application (s) found in the
company.company.
On-line and real time access to the connected On-line and real time access to the connected
meters from the central workstation or the Data meters from the central workstation or the Data
Collecting Unit (DCU) for the purpose of Collecting Unit (DCU) for the purpose of
uploading modifying new metering programs.uploading modifying new metering programs.
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On-line warning (alarm / visual annunciation) in On-line warning (alarm / visual annunciation) in
the event of tampering and the software is the event of tampering and the software is
capable of identifying fraudulent use of capable of identifying fraudulent use of
electricityelectricity..
The system shall act as a load limit device, it The system shall act as a load limit device, it
shall facilitate remote load limit setting using the shall facilitate remote load limit setting using the
system software and the communication media.system software and the communication media.
The system shall monitor LV losses by The system shall monitor LV losses by
comparing the consumption of the consumers comparing the consumption of the consumers
and the total power consumed downstream the and the total power consumed downstream the
distribution transformer.distribution transformer.
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Have the capability to introduce and operate Have the capability to introduce and operate
pre-payment system to any connected pre-payment system to any connected
electronic meter according to the company’s electronic meter according to the company’s
requirements using the integral contactor fitted requirements using the integral contactor fitted
with the meter to disconnect and reconnect with the meter to disconnect and reconnect
power supply at the meter by an external power supply at the meter by an external
command remotely activated through the bi-command remotely activated through the bi-
directional communication media. directional communication media.
The system shall disconnect the power supply in The system shall disconnect the power supply in
case of un-payment for consumption through a case of un-payment for consumption through a
command remotely activated from the command remotely activated from the
workstation or the data collecting unit.workstation or the data collecting unit.
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An intelligent unit housed on a plug-in circuit board An intelligent unit housed on a plug-in circuit board
that is factory installed or can be easily added later that is factory installed or can be easily added later
as a field upgrade to the electronic meters or a as a field upgrade to the electronic meters or a
separate unit installed with electro-mechanical separate unit installed with electro-mechanical
meters, used to transmit data from the meter to themeters, used to transmit data from the meter to the
DCUDCU and from theand from the DCU DCU to the meters through the to the meters through the
power line carrierpower line carrier LV.LV.
Definition Definition
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Low power consumption belowLow power consumption below 0.5 W0.5 W on on
average.average.
Distance of data transmission via electrical Distance of data transmission via electrical
power lines (low voltage) shall not be less thanpower lines (low voltage) shall not be less than
1500 meters.1500 meters.
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Small portable electronic unitSmall portable electronic unit IEC 1107IEC 1107
compatible for programming meter parameters compatible for programming meter parameters
and reading metering data.and reading metering data.
Definition Definition
The communication between theThe communication between the HHUHHU and the and the
DCU is carried out through infra – red rays, DCU is carried out through infra – red rays,
magnetic coil or any other means. magnetic coil or any other means.
Upload all required data at the same time from Upload all required data at the same time from
thethe DCUDCU, , up toup to 30003000 customers.customers.
Hand HeldUnit
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Stores the data on a non-volatile memory that Stores the data on a non-volatile memory that
can maintain data for a period not less thancan maintain data for a period not less than 5 5
years,years, regardless the case of the supply regardless the case of the supply
batteries.batteries.
Has upgrade capabilities.Has upgrade capabilities.
Has an Arabic user interface.Has an Arabic user interface.
Ability to upload / download data to the central Ability to upload / download data to the central
workstation, have a compatible protocol with workstation, have a compatible protocol with
approved meter reading programs at the central approved meter reading programs at the central
work station.work station.
Hand HeldUnit
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It's an intelligent electronic unit equipped with It's an intelligent electronic unit equipped with
communication means “transmitting– receiving" communication means “transmitting– receiving"
data from meters across power linesdata from meters across power lines LV. LV.
Definition Definition
Has a communication means to transmit Has a communication means to transmit
metering data viametering data via GSM, Radio, Telephone linesGSM, Radio, Telephone lines or or
any other communication system agreed by the any other communication system agreed by the
company to the central workstation. It also company to the central workstation. It also
directly communicates with thedirectly communicates with the HHUHHU through through
infra red, magnetic coil or any other means.infra red, magnetic coil or any other means.
Concentrator
55
Concentrator
Hand HeldUnit
Data transmitted between Data transmitted between
HHUHHU and DCUand DCU
Data transmitted between Data transmitted between
HHUHHU and DCUand DCU
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Receives the required data for not less thanReceives the required data for not less than 12001200
electronic meters belong to the same distribution electronic meters belong to the same distribution
transformer.transformer.
Keeps the received data on a non-volatile Keeps the received data on a non-volatile
memory for a period ofmemory for a period of 5 years 5 years at least, even in at least, even in
case of power failure.case of power failure.
Supports meter replacementSupports meter replacement..
Records by date and time stamp electricity cut Records by date and time stamp electricity cut
offs.offs.
Concentrator
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Supports energy loss calculation by comparing Supports energy loss calculation by comparing
the consumption of all meters that are supplied the consumption of all meters that are supplied
from the same transformer, by the total energy from the same transformer, by the total energy
consumed from the distribution transformer.consumed from the distribution transformer.
The memory is designed to keep all types of data The memory is designed to keep all types of data
required for the AMR system applications with required for the AMR system applications with
built in flexibility and expandabilitybuilt in flexibility and expandability
Able to issue broadcast commands simultaneously Able to issue broadcast commands simultaneously
through all 3 phases.through all 3 phases.
Concentrator
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Meters and AMR are just the means to get Data.Meters and AMR are just the means to get Data.
It’s what you do with this DataIt’s what you do with this Data that’s important !that’s important !
Software analysis is the key.Software analysis is the key.
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It is a computer running a database and a printer It is a computer running a database and a printer
equipped with suitable software to achieve the equipped with suitable software to achieve the
system's following requirements: system's following requirements:
Definition Definition
Energy Management
M/S
Central Work
Station
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Collect the meter reading data from DCU (s) or HHU (s) for the following Automatic Meter Reading applications:
Collect the meter reading data from DCU (s) or HHU (s) for the following Automatic Meter Reading applications:
Daily and monthly meter reading.Daily and monthly meter reading.
Load profile.Load profile. Real time reading.Real time reading.
Multi rate tariff and time of use.Multi rate tariff and time of use.
Remote download of tariff time structure.Remote download of tariff time structure.
Clock synchronizationClock synchronization..
Max. demand and time of occurrence.Max. demand and time of occurrence.
Power cutoffs.Power cutoffs.
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Collect the meter reading data from DCU (s) or HHU (s) for the following Automatic Meter Reading applications:
Collect the meter reading data from DCU (s) or HHU (s) for the following Automatic Meter Reading applications:
Interface compatible with existing meter reading Interface compatible with existing meter reading
and / or billing system (Arabic Interface).and / or billing system (Arabic Interface).
Meter replacement support.Meter replacement support.
Supports Supports remote meter disconnection and remote meter disconnection and
reconnection.reconnection.
Energy Management
M/S
Central Work
Station
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Meters that exceed maximum loadMeters that exceed maximum load permissiblepermissible.. Meters with power factor less than 0.9. Meters with power factor less than 0.9.
Tampered meters.Tampered meters.
Meters that didn't transmit readings.Meters that didn't transmit readings.
Customers which their consumption increased Customers which their consumption increased
or decreased than the monthly average with a or decreased than the monthly average with a
predefined value determined by the company.predefined value determined by the company.
LVLV losses for each losses for each DCU DCU by comparing the by comparing the
consumption of the consumers and the total consumption of the consumers and the total
power consumed down stream the same power consumed down stream the same
distribution transformer.distribution transformer.
Customers Disconnected due to un-payment for Customers Disconnected due to un-payment for
consumption.consumption.
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The three that must go together to get The three that must go together to get ENERGYENERGY and and UTILITES MANAGEMENTUTILITES MANAGEMENT into into ITIT world. world.
The three that must go together to get The three that must go together to get ENERGYENERGY and and UTILITES MANAGEMENTUTILITES MANAGEMENT into into ITIT world. world.
AutomaticAutomaticMeterMeter
ReadingReading(AMR)(AMR)
AutomaticAutomaticMeterMeter
ReadingReading(AMR)(AMR)
SoftwareSoftwareAnalysisAnalysis
SoftwareSoftwareAnalysisAnalysis
ElectronicElectronicMetersMeters
ElectronicElectronicMetersMeters
ITITworldworld
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