Parameter listing and descriptions
293
ACH550-01 User's Manual
Group 45: ENERGY SAVING
This group defines the setup of calculation and optimization of
energy savings.
Note
: The values of the saved energy parameters 0174
SAVED
KWH
, 0175
SAVED
MWH
, 0176
SAVED
AMOUNT
1, 0177
SAVED
AMOUNT
2, and 0178
SAVED
CO
2 are derived from subtracting the
drive's energy consumed from the direct-on-line (DOL)
consumption calculated on the basis of parameter 4508
PUMP
POWER
. As such, the accuracy of the values is dependent on the
accuracy of the power estimate entered in that parameter.
Code Description
Range
4502
ENERGY PRICE
0…655.35
Price of energy per kWh.
• Used for reference when energy savings are calculated.
• See parameters 0174
SAVED
KWH
, 0175
SAVED
MWH
, 0176
SAVED
AMOUNT
1, 0177
SAVED
AMOUNT
2 and 0178
SAVED
CO
2 (reduction on
carbon dioxide emissions in tn).
4507
CO2 CONV FACTOR
0.0…10.0
Conversion factor for converting energy into CO2 emissions (kg/kWh or
tn/MWh). Used for multiplying the saved energy in MWh to calculate the
value of parameter 0178
SAVED
CO
2 (reduction on carbon dioxide
emissions in tn).
4508
PUMP POWER
0.0…1000.0%
Pump power (as a percentage of the nominal motor power) when
connected directly to supply (DOL).
• Used for reference when energy savings are calculated.
• See parameters 0174
SAVED
KWH
, 0175
SAVED
MWH
, 0176
SAVED
AMOUNT
1, 0177
SAVED
AMOUNT
2 and 0178
SAVED
CO
2.
• It is possible to use this parameter as the reference power also for
other applications than pumps. The reference power can also be
some other constant power than a motor connected directly online.
4509
ENERGY RESET
0=DONE,
1=RESET
Resets energy calculators 0174
SAVED
KWH
, 0175
SAVED
MWH
, 0176
SAVED
AMOUNT
1, 0177
SAVED
AMOUNT
2 and 0178
SAVED
CO
2.
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