Efficiency - Danfoss VLT AQUA Drive Design Manual

VLT ® AQUA Drive Design Guide
Surroundings:
Enclosure ≤ enclosure type A
Enclosure ≥ enclosure type B
Enclosure kit available ≤ enclosure type A
Vibration test
Max. relative humidity
Aggressive environment (IEC 721-3-3), uncoated
Aggressive environment (IEC 721-3-3), coated
Test method according to IEC 60068-2-43 H2S (10 days)
Ambient temperature
Derating for high ambient temperature, see section on special conditions
Minimum ambient temperature during full-scale operation
Minimum ambient temperature at reduced performance
Temperature during storage/transport
Maximum altitude above sea level without derating
Maximum altitude above sea level with derating
Derating for high altitude, see section on special conditions.
EMC standards, Emission
EMC standards, Immunity
See section on Special conditions
Control card performance:
Scan interval
Control card, USB serial communication:
USB standard
USB plug

3.2. Efficiency

Efficiency of VLT AQUA (η
The load on the adjustable frequency drive has little effect on its efficiency. In general, the effi-
ciency is the same at the rated motor frequency f
shaft torque, or only 75% in case of part loads.
This also means that the efficiency of the adjustable frequency drive does not change even if other
U/f characteristics are chosen.
5% - 95% (IEC 721-3-3); Class 3K3 (non-condensing) during operation
EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN
Connection to PC is carried out via a standard host/device USB cable.
The USB connection is galvanically isolated from the supply voltage (PELV) and other
high-voltage terminals.
The USB connection is not galvanically isolated from protection ground. Use only
isolated laptop/PC as connection to the USB connector on VLT AQUA Drive or an
isolated USB cable/drive.
)
VLT
MG.20.N2.22 - VLT ® is a registered Danfoss trademark.
-193° - +149°/158°F [-25° - +65°/70°C]
EN 61800-3, EN 61000-6-3/4, EN 55011, IEC 61800-3
EN 61800-3, EN 61000-6-1/2,
, even if the motor supplies 100% of the rated
M,N
3. VLT AQUA Selection
IP 20, IP 55, IP 66
IP 21, IP 55, IP 66
IP 21/TYPE 1/IP 4X top
1.0 g
class 3C2
class 3C3
Max. 122°F [50°C]
32°F [0°C]
14°F [-10°C]
3,280 ft [1,000 m]
9,842.5 ft [3,000 m]
61000-4-6
: 5 ms
1.1 (Full speed)
USB type B "device" plug
3
55