Circutor DISPENSER Series Manual de usuario Pagina 21

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3�5�2�3�- OPERATION
In the case of type 2 contracts, there is a large unit tank that is lled when units are purchased
from the operator or through net metering.
The customer has a credit balance expressed in units, which is consumed in 2 ways (binomial
tariff):
by consumed units.
by xed price, this xed price is subtracted every hour and is recalculated according
to the following equation:
Fixed price = (Price of contracted power x Contracted power )
+ Net metering access charge
+ Other costs
Fixed price
- The units are deducted every hour
- Contracted power ratio and other charges
Units consumed
In nominal conditions 1Wh = 1unit
Units
Meter
Figure 14:Representation of the consumption in the unit tank
Two energy meters are used to control the unit tank:
a unit meter, which measures the units in the tank. These units will decrease as the
subscriber consumes energy and increase when units are purchased from the operator
or through the net metering balance.
Under normal conditions, the 1Wh to 1 unit ratio is 1:1.
an energy block meter, which is used when the price of energy depends on the con-
sumption level of the user during a period of time.
This type of contract can have no denite time limit, Open-ended contract, with no additional
costs included in the price of energy. Designed for buildings that are not charged for the use
of energy, such as cultural centres, churches, etc.
21
Instruction Manual
Dispenser Universal System
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