Terms and abbreviations
The
symbols, terms and abbreviations in the Tables below are possibly used in this manual.
Table 3. Symbols
Symbol Variable Unit
U
Rated voltage (phase to phase AC)
V
rms
I
Rated current (AC)
A
rms
P
Rated Power (S9) kW
T
Rated torque (S9) at rated speed Nm
T
max
Maximum torque Nm
n
Rated speed rpm
Max n
Maximum speed rpm
f
Rated supply frequency at nominal speed Hz
PF
Power factor (cos
φ
)
Q
c
Rated coolant liquid ow l/min
T
c
Rated coolant liquid input temperature °C
T
amb
Rated ambient temperature °C
RES_COS
Cosine signal received from the resolver deg
RES_SIN
Sinusoidal signal received from the machine resolver deg
GND
Ground in electrical connections
Ω
(Ohm)
Resistance
Ω
Table 4. Term / abbreviation
Term/
Abbreviation
Explanation
Resolver Rotation meter in electric machines, used for measuring degrees of rotation
AC Alternating current
DC Direct current
PMSM Permanent Magnet Synchronous Machine
SRPM Syncronous Reluctance assisted Permanent Magnet
S1 Duty type according to the IEC60034;
Continuous running duty
S9
Duty type
according to the IEC60034; Duty with non-periodic load and speed
variations
Trademarks
All trademarks in this material are property of the respective companies. Danfoss and the Danfoss
logotype are trademarks of Danfoss A/S. All rights reserved.
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