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Measurement and evaluation of energy consumption - Gemini B building

Hardware1x PC Sever + 1x PmWebClient
Control stations194x heat, water, electricity meters
ImplementationMICROSYS, spol. s r.o., ENBRA a.s
Date of commission2015
 
Software system PROMOTIC METERING provides automated data acquisition and processing from energy meters in GeminiB building complex in Prague. System scale:
- 64 electricity meters KWZ Moeller
- 91 calorimeters (heat)
- 38 water meters
- 1 main calorimeter (cooling)
 
The meters are spread across 11 floors of the Gemini B building. The visualization provides topological overview of all meters in each floor.
 

Energy consumption metering

Data from calorimeters, water meters and electricity meters are read by the M-BUS communication protocol. Following values are read from each meter
total energy or quantity (counter sum)
meter type
current output, flow
 
The PROMOTIC METERING system was created as configurable application - meter addresses and other parameters are read from external configuration file.

Energy consumption evaluation

The system provides archiving of measured data into a database and also evaluates the energy consumtion in defined time range (day, month, year, defined range).
At the end of the month the system generates files containing monthly figures od energy consumption for each consumer: tenants, companies and other units.
The output data is archived in a file of the CSV type for further processing.

Visualization

The system allows overview monitoring of current status of all meters, listing in the history, data exports into CSV files, etc. Authorized personnel can also set parameters of meters and other system parameters.
 
Main screen:
Overview screen - graphic representation of selected measured values by floors
Table view of online data from selected meter
- Meter type, serial number or ID number
- Time of last successfull communication, communication status, OK/error/disconnencted
- Data read during last successfull communication
Graphic viewing of measured values time progression (trends)
Alarm system - indicating commnication errors
 
Visualization Web clients

Web server is included in the application providing data visualization on other PCs - visualization Web clients. Web clients allow viewing data indicating current consumption and monthly figures of meters selected by administrator.

Possible system extension:

The system is built as modular and can therefore be easily extended by:
additional measured energy values
additional visualization Web clients
monitoring of other technologies (e.g. HVAC units)
connection to enterprise information systems for automated data exports and invoicing calculations
 
Detailed PROMOTIC application references
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