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Danfoss VLT Design Guide

Danfoss VLT
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Mains supply
Supply Terminals L1, L2, L3
Supply voltage 200-240 V ±10%
Supply voltage 380-480 V ±10%
Supply voltage 525-600 V ±10%
Mains voltage low/mains drop-out:
During low mains voltage or a mains drop-out, the frequency converter continues until the intermediate circuit voltage drops
below the minimum stop level, which corresponds typically to 15% below the frequency converter's lowest rated supply voltage.
Power-up and full torque cannot be expected at mains voltage lower than 10% below the frequency converter's lowest rated
supply voltage.
Supply frequency 50/60 Hz ±5%
Max. imbalance temporary between mains phases 3.0 % of rated supply voltage
True Power Factor (λ) 0.9 nominal at rated load
Displacement Power Factor (cos ϕ)near unity (> 0.98)
Switching on input supply L1, L2, L3 (power-ups) 7.5 kW maximum 2 times/min.
Switching on input supply L1, L2, L3 (power-ups) 11-75 kW maximum 1 time/min.
Switching on input supply L1, L2, L3 (power-ups) 90 kW maximum 1 time/2 min.
Environment according to EN60664-1 overvoltage category III/pollution degree 2
The unit is suitable for use on a circuit capable of delivering not more than 100,000 RMS symmetrical Amperes, 240/500/600/690
V maximum.
Motor output (U, V, W)
Output voltage 0 - 100% of supply voltage
Output frequency (1.1-90 kW) 0-1000 Hz
Output frequency (110-250 kW) 0-800
1)
Hz
Switching on output Unlimited
Ramp times 0.01-3600 s
1)
Voltage and power dependent
Torque characteristics
Starting torque (Constant torque) maximum 110% for 1 min.
*
Starting torque maximum 135% up to 0.5 sec.
*
Overload torque (Constant torque) maximum 110% for 1 min.
*
*Percentage relates to FC 103's nominal torque.
Cable lengths and cross sections for control cables
1)
Max. motor cable length, screened 150 m
Max. motor cable length, unscreened 300 m
Maximum cross section to control terminals, flexible/ rigid wire without cable end sleeves 1.5 mm
2
/16 AWG
Maximum cross section to control terminals, flexible wire with cable end sleeves 1 mm
2
/18 AWG
Maximum cross section to control terminals, flexible wire with cable end sleeves with collar 0.5 mm
2
/20 AWG
Minimum cross section to control terminals 0.25 mm
2
/24AWG
1)
For power cables, see electrical data tables.
Digital inputs
Programmable digital inputs 4 (6)
1)
Terminal number 18, 19, 27
1)
, 29
1)
, 32, 33,
Logic PNP or NPN
Voltage level 0-24 V DC
Voltage level, logic'0' PNP <5 V DC
Voltage level, logic'1' PNP >10 V DC
Voltage level, logic '0' NPN
2)
>19 V DC
Voltage level, logic '1' NPN
2)
<14 V DC
Maximum voltage on input 28 V DC
Pulse frequency range 0-110 kHz
General Specifications and ...
VLT
®
Refrigeration Drive Design Guide
112 MG16G102 - VLT
®
is a registered Danfoss trademark
8
8

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Danfoss VLT Specifications

General IconGeneral
Frequency50/60 Hz
EnclosureIP20, IP21, IP55, IP66
SeriesVLT
Control TechniqueFlux Vector Control
Output Voltage0-Vinput
Control MethodFieldbus
Communication InterfacePROFIBUS, CANopen
Protection FeaturesOverload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling MethodLiquid Cooled
Storage Temperature-25°C to +70°C
Relative Humidity5-95% non-condensing
AltitudeUp to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature-10°C to +50°C (14°F to 122°F)

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