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Parallel production
Base circuit and parameters
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The design heat flow arriving at Gate 3 needs to be distributed amongst Gate 1 and Gate 2. To define this heat flow distribution, the user can submit input values in the parameter list. The parameter lists asks the user to give information about the heat flow at Gate 1. From the known heat flow at Gate 3 and the input about Gate 1, the heat flow at Gate 2 can subsequently be deducted based on the chosen Power propogation mode. The most common power propagation mode is ‘Regular’, for . For more info on power propagation modes see Power propagation examples.
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Instead of defining the heat flow at the primary gate based on an absolute value, the user can also propagate a certain percentage primary power percentage relative to the design flow rate at Gate 3. Subsequently, the design flow rate of Gate 2 can be deducted from the power propagation mode, the design flow at Gate 3 and the information with regards to Gate 1.
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Primary power percentage will always overrule the Heat flow on primary circuit when the Primary power percentage has been given a value. The Heat flow on primary circuit thus becomes irrelevant if a Primary power percentage is availablesubmitted. |
An extensive example on how to use the relative input for multiple parallel production circuits is shown below:
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Error message | Translation of the error | solution |
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 | The value of ‘Heat flow on primary circuit’ is higher than the heat flow that is needed behind the base circuit. | Lower the value of 'Heat flow on primary circuit' until it is below the needed heat flow behind the base circuit. |
 | The Hysopt software calculates everything from the end units to production units and this message says that it could not do his calculations for the last 6 nodes. | Hover with your mouse over the red node/base circuit closest to the end units to get additional information about the error.  |
| The ‘Heat flow on primary circuit’ is the same as the heat flow that is needed behind the base circuit | Lower the value of ‘Heat flow on primary circuit' until it is below the needed heat flow behind the base circuit |
The ‘Primary power percentage’ is set on 100% | Lower the percentage in 'Primary power percentage’ |
Switched production
Base circuit and parameters
Switched parallel production makes it possible to configure multiple productions that work individually in one system. The following figure shows on the left the base circuit of switched production and on the right the parameter window that pops up when you click on the base circuit. The numbers on the base circuit indicate which gate is the primary and secondary gate. This base circuit is used when you have a production unit that is only used when the other one is no longer sufficient. For example, a backup boiler that is used when the heat pump is no longer sufficient.
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Note how the production unit that takes most of the load is connected to the secondary gate (the red arrow) and the backup production unit is connected to the primary gate (the yellow gate) |
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Parameter overview
The parameter window has two parameters that determine the operation of this base circuit, namely ‘Primary production regime' and ‘Primary production heat flow’.
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