1 abt based boundary metering. 2 abtboundary metering+
TRANSCRIPT
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ABT Based Boundary Metering
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ABT Based Boundary Metering
ABT Boundary Metering+
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ABT Based Boundary Metering
ABT =Availability Based Tariff
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ABT Based Boundary Metering
And
Boundary Metering Means ……….?
#$#% O0oophs
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ABT Based Boundary Metering
So what is Boundary Metering?
How it is different from ordinary metering?
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ABT Based Boundary Metering
To Understand Boundary Metering….
First understand what is meant by
Metering of Electrical Energy?
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ABT Based Boundary Metering
Metering means, measurement of consumption of a consumer
And it means measurement of the consumption at a point of
supply to that consumer
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ABT Based Boundary Metering
Consumer
Meter A
Supply Line
Consumption = Energy Recorded By the Meter A
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ABT Based Boundary Metering
Now Suppose………
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ABT Based Boundary Metering
Consumer
Meter A Meter C
Meter B
Consumption = Sum of Energy Recorded By Meters A, B, C, D
Meter D
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ABT Based Boundary Metering
Now let us further Suppose………
There is a Customer instead of Consumer of energy
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ABT Based Boundary Metering
Consumer V/s Customer
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ABT Based Boundary Metering
Consumer only consumes
& Customer consumes as well as
supply back
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ABT Based Boundary Metering
Customers need Bi-Directional Meters
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ABT Based Boundary Metering
Customer with Single Supply line needs Single Bi-Directional Meter
Energy Consumption will be Net with Signs (+ve or –ve)
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ABT Based Boundary Metering
Sign Convention
Net Energy Export = +ve
& Net Energy Import = -ve
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ABT Based Boundary Metering
So in case of Customer with Multiple
Supply Lines…………….Interface Points……….
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ABT Based Boundary Metering
Consumer
Meter A Meter C
Meter B
Consumption = Vector Sum of Energy Recorded By Meters A, B, C, D
Meter D
Energy Transaction = Net Energy Recorded By Meters A, B, C, D
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ABT Based Boundary Metering
Or Energy Transaction with Other
Power Utilities
So Boundary Metering Means Net
Energy Transaction with a Customer
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ABT Based Boundary Metering
Now We Understood What is Boundary Metering
Boundary Metering Means Measurement of Energy Transaction Across a Region
Region in our case Normally means Another Power Utility or OA Customers
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ABT Based Boundary Metering
Any Questions Please?
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ABT Based Boundary Metering
Now let us come to what is ABT?
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ABT Based Boundary Metering
ABT = Availability Based Tariff
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ABT Based Boundary Metering
Now next obvious question is ………….?
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ABT Based Boundary Metering
What is Availability Based Tariff?
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ABT Based Boundary Metering
Understanding Availability Based Tariff
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ABT Based Boundary Metering
Purpose of ABT is to Bring in Grid Discipline
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ABT Based Boundary Metering
0 m 100 m
98 m0 m
@ 50 Hz => 300 RPM
@ 49 Hz => 294 RPM
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ABT Based Boundary Metering
50.00 Hz
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ABT Based Boundary Metering
Supply Demand
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ABT Based Boundary Metering
Grid Security
Grid Reliability
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ABT Based Boundary Metering
Tariff System Prevalent previously
Bill of a Utility Energy Drawl
Bill of a Generator Energy Produced
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ABT Based Boundary Metering
50.00 Hz50.30 Hz51.00 Hz50.30 Hz50.00 Hz49.80 Hz49.30 Hz48.50 Hz49.00 Hz49.50 Hz49.80 Hz50.00 Hz
So Grid Frequency Used to……….
Swing Wildly
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ABT Based Boundary Metering
Tariff System Prevalent previously
No Incentives No Punishment
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ABT Based Boundary Metering
ABT = Grid Discipline
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ABT Based Boundary Metering
Supply Demand
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ABT Based Boundary Metering
UFRsSCADA/ EMS
Free Governor Operation
Many other System for the purpose…
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ABT Based Boundary Metering
But Constraints
TechnicalPolitical
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ABT Based Boundary Metering
Pseudo BalanceABT is an attempt to bring
in some sort of balance between Generation &
Consumption
Using Money Power
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ABT Based Boundary Metering
So UI ……..
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ABT Based Boundary Metering
Unscheduled Interchange UI for generating station is equal to
its total actual generation minus its scheduled generation.
UI for distribution utility is equal to its total actual drawl minus its total scheduled drawl.
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ABT Based Boundary Metering
If Grid Freq is more than 50Hz then Overdrawing Utility will get energy at less rate and if it is more than 50.2
then it is free.If Grid frequency is less than 49.2 Hz
then the overdrawing utility has to pay more & more for UI.
Reverse conditions are applicable for Generating Stations.
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ABT Based Boundary Metering
Since the Original ABT Scheme there have been many Variations to bring
in strict discipline and to stop profiteering by energy surplus
utilities.
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ABT Based Boundary Metering
ABT ≡ Grid Discipline
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ABT Based Boundary Metering
So Friends….This was a Short Primer
On ABT
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ABT Based Boundary Metering
Now Back to ….ABT Based Boundary
Metering
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ABT Based Boundary Metering
So ABT Based Boundary Metering means Boundary Metering based
upon ABT type meters
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ABT Based Boundary Metering
ABT meters record Net Energy Transaction at a Interface point between the Power Utilities for each of 96 Blocks of 15 Minutes
every day
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ABT Based Boundary Metering
ABT Meters are also called SEMs
Special Energy Meters
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ABT Based Boundary Metering
In Punjab the Intra State transactions are to be metered
based upon ABT Scheme in compliance to Punjab SGC
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ABT Based Boundary Metering
For Which SO&C Organization in PSTCL is going to implement
AMR system based upon these meters
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ABT Based Boundary Metering
Any Questions?
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