Ie And Ies Classes; Power Loss Data And Efficiency Data - Danfoss VLT DriveMotor FCP 106 Design Manual

System Integration

3.7.2 IE and IES Classes

Complete drive modules (CDM)
According to the standard EN 50598-2, the complete drive
module (CDM) comprises the drive, its feeding section, and
its auxiliaries.
Energy efficiency classes for the CDM:
•
IE0 = below state of the art.
•
IE1 = state of the art.
•
IE2 = above state of the art.
Danfoss drives fulfill energy efficiency class IE2. The energy
efficiency class is defined at the nominal point of the CDM.
Power drive systems (PDS)
A power drive system (PDS) consists of a complete drive
module (CDM) and a motor.
Energy efficiency classes for the PDS:
•
IES0 = Below state of the art.
•
IES1 = State of the art.
•
IES2 = Above state of the art.
Depending on the motor efficiency, motors driven by a
®
Danfoss VLT drive typically fulfill energy efficiency class
IES2.
The energy efficiency class is defined at the nominal point
of the PDS and can be calculated based on the CDM and
the motor losses.

3.7.3 Power Loss Data and Efficiency Data

The power loss and the efficiency of a drive depend on
configuration and auxiliary equipment. To get a configu-
ration-specific power loss and efficiency data, use the
Danfoss ecoSmart tool.
The power loss data is provided in % of rated apparent
output power and are determined according to EN
50598-2. When the power loss data are determined, the
drive uses the factory settings except for the motor data
which is required to run the motor.
MG03M302
Design Guide
T
100%
50%
25%
0%
T Torque-producing current [%]
f Frequency [%]
Illustration 3.13 Drive Operating Points According to EN
50598-2
Use the Danfoss ecoSmart application to calculate the
power loss data and efficiency data of the drive at the
operating points, and at the IE and IES efficiency classes.
The application is available at ecosmart.danfoss.com.
Example of available data
The following example shows power loss and efficiency
data for a drive with the following characteristics:
•
•
•
•
Illustration 3.14 and Illustration 3.15 show the power loss
and efficiency curves. The speed is proportional to the
frequency.
Danfoss A/S © 12/2018 All rights reserved.
0% 50%
Power rating 55 kW (75 hp), rated voltage at
400 V.
Rated apparent power, Sr, 67.8 kVA.
Rated output power, P , 59.2 kW (79.4 hp).
CDM
Rated efficiency, η , 98.3%.
r
3 3
90% f
37