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The features on this page require a GENESIS64 Advanced license and are not available with GENESIS64 Basic SCADA . |
This topic provides an introduction on how to implement energy source allocation in Energy AnalytiX. Oftentimes it is required to allocation incoming energy source to various areas by means of percentages of the total incoming energy. For example, one may want to allocate say 50% of incoming electricity to Area 1, 20% to Area 2 etc.
Note: This help page is intended to be a guide primarily for planning purposes and to give you an understanding of the recommended sequence of steps for efficiently deploying your Energy AnalytiX application. For more details about any step mentioned herein please consult the help documentation as well as other available help pages.
One possible scenario in energy applications for manufacturing is the energy allocation scenario. In this scenario, we have a main meter supplying energy to several areas and the way the energy is allocated on a per area basis is via “experience” or other indirect estimation by using percentages like:
10% in Area 1
30% in Area 2
40% in Area 3
20% in Area 4
For example, consider the case in the following screenshot, where Meter 1 and Meter 2, both electric meters with kWH units are feeding with energy various areas and in one area (Paint) are combining as inputs.
To implement the energy source allocation scenario, we will need to create an AssetWorX asset tree to facilitate our deployment.
In the proposed asset structure, we have two electric meters
Meter 1 (allocates to energy assets Paint (15%), Sinter (80%), Area X (5%))
Meter 2 (allocatesto energy assets Panel (70%), Paint (30%))
We would like to roll up (summarize) energy consumption at the Plant level all electric consumption
Energy AnalytiX supports this scenario as follows, using the following asset structure and configuration steps:
We use the built-in electric meter type as basis
We define energy asset Plant (rollup-based asset)
We define Plant Meters asset as a placeholder for energy meters, add energy extension without adding any energy calculations.
We define Meter 1 of electric meter type (kWH units) and Meter 2 also of electric meter type (kWH units).
We define energy assets (non-rollup) Paint, Sinter, Area X, Panel.
We define energy asset (rollup) Plant to aggregate all electric consumption
Energy Allocation Asset Structure
Meter 1 and Meter 2 are two electric type meters with units in KWH.
Energy Allocation Meter Types
We define energy calculations as follows:
Paint
Consumption for electric in kWH
Consumption = (Meter 2 consumption) * 0.30 + (Meter 1 consumption) * 0.15
Sinter
Consumption for electric in kWH
Consumption = (Meter 1 consumption) * 0.80
Area X
Consumption for electric in kWH
Consumption = (Meter 1 consumption) * 0.05
Panel
Consumption for electric in kWH
Consumption = (Meter 2 consumption) * 0.70
Plant (rollup)
Consumption rollup electric in kWH
Implicit definition (no need to manually sum up children asset consumptions)
Electric Meter 1 Configuration
Electric Meter 2 Configuration
Next, we will define energy calculations in the non-rollup energy assets as follows, using explicit meter consumption tags browsable through the variables button in the expression editor.
Browsing Electric Meter Tags in Asset Tree
Note: We will need to uncheck the Display child meters only since the electric meters Meter 1 and Meter 2 are not directly under the energy assets in the asset tree.
We can add energy consumption calculations in related energy assets where the calculation expression could involve explicitly consumptions from any of the two energy meters configured when adding energy calculations for electric meter type.
Consumption for electric meter type in kWH as follows:
Consumption = (Meter 2 consumption) * 0.30 + (Meter 1 consumption) * 0.15
Energy Calculations for Paint
Consumption for electric meter type in kWH as follows:
Consumption = (Meter 1 consumption) * 0.80
Energy Calculations for Sinter
Consumption for electric meter type in kWH as follows:
Consumption = (Meter 1 consumption) * 0.05
Area X Asset – Energy Calculations
Consumption for electric meter type in kWH as follows:
Consumption = (Meter 2 consumption) * 0.70
Energy Calculations for Panel
Finally, we will roll up (summarize) all consumption at the plant level as follows:
Consumption for electric meter type in kWH as follows, using rollup based implicit definition (no need to manually define calculation expressions to summarize children asset consumptions).
Energy Calculations for Plant (rollup-based)
The above consumption calculation will roll up (summarize) all the children energy assets consumptions.
See Also:
Energy Unit Conversions Support
Using Variable Energy Meter Structures in AssetWorX
Energy Source Segmentation Scenario
Energy Allocation Scenario - Advanced with Unit Conversion