Use case 5 – Aquarium water temperature regulation

Use Case 5 - Heating Integration - Aquarium water temperature regulation

The main scenarios within this use case are:

  1. 1. heating up aquarium water
  2. 2. cooling down aquarium water
  3. 3. Heating up thermal energy storage device
  1. a. PV production

  2. b. Grid consumption

    1. 4. Cooling thermal energy storage
      1. a. PV production

        1. b. Grid consumption

          1. 5. Switch between summer and winter mode
            1. 6. Feeding PV production surplus into grid

            As in the use cases 3 and 4 and most of the sub cases 2, the Energy Management Gateway (EMG) is the core of the communication between the Energy Management platform, the DER and the Smart Meter (“DER Control”).

            The storage system is thermal and split into a day and a night deposit. The temperature of the Thermal Storage System is regulated by two cooling/heating units (CHU). The EMG is used to transport the temperature measured in the installations to the EMP for supervision. It also controls the switching-on/off of the CHUs.

            The original system is run for heating and as a redundant energy system.
Objectives and activities:
The objective is to regulate the water of the Borkum aquarium at a constant temperature of 12°C using PV energy and – by the help of thermal energy storage – applying this green energy even if there is no PV production at that very moment.

First we have the “TES regulation”, responsible for the regulation of the set temperature of the Thermal Storage System (TES) using the Cooling / Heating Unit (CHU). The only connection to the DER Control sub-system is the control this system has upon the energy source of the CHU: Either PV or grid consumption.

The second system is the “AQ regulation”, responsible for the aquarium water regulation (the aim of the use case). This is done changing the aquarium water temperature by the TES by means of a heat exchanger.