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ISU_UTILIT85 - Distribute Serial Switching Consumption Values

ISU_UTILIT85 - Distribute Serial Switching Consumption Values

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Operands and Their Meanings

Input Operands

QUANT Total consumption for primary installation

QUANT Consumption values of secondary installations (supply using ERCHV)

Output Operands

QUANT Serial switching consumption of primary installation

Function:

You can use this variant to calculate serial switching consumptions for a multi-level hierarchy when billing a primary installation. The serial switching consumption for the primary installation is updated using the output operand. Special consumption billing lines are generated for the serial switching consumption values for secondary installations.

Only use this variant in the following situations:

  • You perform billing for a utility installation, which is a primary installation within an installation group.
  • A hierarchy is defined in the installation group, using higher-level installations. The hierarchy represents a serial switching. You can calculate the serial switching consumption for an installation by subtracting the consumption of all lower-level secondary installations from the consumption of the installation in question.

The total consumption for the primary installation is made available to the variant using the first input operand. This is generally the consumption of the primary installation's register. The consumption values for the secondary installations are not yet subtracted from this consumption.

The consumption values for the secondary installations must be provided for the second input operand. You do this using the data exchange from secondary installation to primary installation. Only secondary installations with a consumption-relevant and distribution-relevant installation role, for which a higher-level installation has been defined, are permitted.

Restrictions:

  • A distribution is not absolutely necessary in a two-level serial switching. You only require a data exchange from secondary installations to the primary installation. Use the QUANTI02 variant to calculate the serial switching consumption. Only use the UTILIT85 variant for serial switchings with more than two levels, or if a distribution is absolutely necessary for other reasons.
  • In installation groups the meters for primary and secondary installations can be read on different days. Avoid large billing intervals as these lead to inaccurate serial switching consumptions.
  • Avoid, as far as possible, final billings or interim billings for secondary installations within a billing period for the primary installation. If you perform an interim billing for a secondary installation with lower-level secondary installations, then you must also perform an interim billing for the lower-level installations on the same day. If a secondary installation is used as a higher-level installation by another secondary installation with a contract, then you should avoid using periods without a contract.
  • The variant cancels billing if a negative serial switching consumption is calculated.
  • If possible, use the same rounding properties for all operands.
  • We recommend that you avoid changing the rate category or the rate, using distribution variants during the billing period for the primary installation.

Data Exchange Definition:

Info Lines and Control Options

You can write an info line about the serial switching consumption of a primary installation. It contains the serial switching consumption in the I_ABRMENGE field, and the total consumption for the primary installation in the I_ZAHL1 field.

Example

You define an installation group with a hierarchy:

  • Primary installation 1000. Hierarchy level 1 is defined for the primary installation.
  • Secondary installation 2010 with higher-level installation 1000 (hierarchy level 2).
  • Secondary installation 2020 with higher-level installation 1000 (hierarchy level 2).
  • Secondary installation 2030, with higher-level installation 2020 (hierarchy level 3).
  • Secondary installation 2040, with higher-level installation 2020 (hierarchy level 3).

You perform billing for the primary installation. The first input operand is given the following consumption value:

  • The total consumption of the primary installation is 8000 kWh.

The second input operand receives the following consumption values from the secondary installations:

  • Secondary installation 2010: 500 kWh
  • Secondary installation 2020: 400 kWh
  • Secondary installation 2030: 120 kWh
  • Secondary installation 2040: 100 kWh

The variant calculates the serial switching consumption of the primary installation as the total consumption (first input operand) minus the consumption values for all secondary installations with hierarchy level 2 (second input operand). The following result is updated using the output operand:

  • Serial switching consumption for primary installation = 8000 kWh - (500 kWh + 400 kWh) = 7100 kWh.

Secondary installation 2020 possesses the lower-level secondary installations 2030 and 2040. When billing secondary installation 2020, the consumption values for secondary installations 2030 and 2040 must be subtracted. For this reason the variant generates a consumption bill line with the following negative consumption for secondary installation 2020:

  • Difference consumption for secondary installation 2020 = - (120 kWh + 100 kWh) = -220 kWh

When billing secondary installation 2020 (provided there is a corresponding scheme structure and data exchange from the primary installation to the secondary installations) the negative difference consumption for the secondary installation is subtracted, and only a consumption of 400 kWh - 220 kWh = 180 kWh is valuated.





Parameters

XY_OBJ
XY_SOBJ
X_OP
X_RED
X_SS

Exceptions

GENERAL_FAULT
REGULAR_ERROR

Function Group

EV25

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