Energy savings calculators
The following calculators let you estimate on-line how much
variable speed drives can save energy and money with regards to
traditional control methods in pump and fan applications. IE 5.5 or
later and Adobe's SVG 3.0 plug-in required (freely downloadable).
Choose one of the following:
Pump drives savings calculator v2.0
Use the calculators on the left to determine (and print) savings for variable speed drive vs. other type of regulation methods.
Calculators:
Initial data needed
| D Qn Hn Hmax Hst np nm nVSD Tk Tl |
Liquid density (kg/dm3) (water=1) Nominal volume flow (l/s) of the pump Nominal head (m) of the pump Maximum head (m) of the pump (at zero flow) Static height (m) of the system Nominal efficiency of the pump Nominal efficiency of the motor Nominal efficiency of the frequency converter Total operating time (h) per year (year=8760 h) Currency and price of electricity Dwell times (%) of Tk at different flow rates |
System requirements
- Internet Explorer 5.5 or later
- Java Runtime Engine
- Adobe SVG Viewer 3.0
Terms of use
In no event shall Vacon Plc or its suppliers be
liable for any special, incidental, indirect, direct or consequential
damages whatsoever (including, without limitation, damages for loss of
business profits, business interruption, loss of business information,
or any other pecuniary loss) arising out of the use of or inability to
use this calculation software, even if Vacon Plc has been advised of the
possibility of such damages. The use of this calculation software is
exclusively at the risk of the user.
Fan drives savings calculator v2.0
Use the calculators on the left to determine (and print) savings for variable speed drive vs. other type of regulation methods.
Calculators:
Initial data needed
| D Qn ptF pta np nm nt nVSD Tk Tl |
Gas density (kg/m3) Nominal volume flow (m3/s) of the fan Rated total pressure increase (Pa) Abs. static pressure at suction inlet (Pa) Nominal efficiency of the fan Nominal efficiency of the motor Nominal efficiency of the transmission Nominal efficiency of the frequency converter Total operating time (h) per year Currency and price of electricity Run times (%) of Tk at different flow rates |
System requirements
- Internet Explorer 5.5 or later
- Java Runtime Engine
- Adobe SVG Viewer 3.0
Terms of use
In no event shall Vacon Plc or its suppliers be
liable for any special, incidental, indirect, direct or consequential
damages whatsoever (including, without limitation, damages for loss of
business profits, business interruption, loss of business information,
or any other pecuniary loss) arising out of the use of or inability to
use this calculation software, even if Vacon Plc has been advised of the
possibility of such damages. The use of this calculation software is
exclusively at the risk of the user.
For any other related information feel free to contact us.
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