Danfoss VLT HVAC Design Guide

Frequency Converter, P55K, T4
Cable
length [m]
Mains
voltage [V]
Rise time
[μsec]
Vpeak
[kV]
dU/dt
[kV/μsec]
10 400 0.350 0.932 2.130
Frequency Converter, P75K, T4
Cable
length [m]
Mains
voltage [V]
Rise time
[μsec]
Vpeak
[kV]
dU/dt
[kV/μsec]
5 480 0.371 1.170 2.466
Frequency Converter, P90K, T4
Cable
length [m]
Mains
voltage [V]
Rise time
[μsec]
Vpeak
[kV]
dU/dt
[kV/μsec]
5 400 0.364 1.030 2.264
High Power Range:
Frequency Converter, P110 - P250, T4
Cable
length [m]
Mains
voltage [V]
Rise time
[μsec]
Vpeak
[kV]
dU/dt
[kV/μsec]
30 400 0.34 1.040 2.447
Frequency Converter, P315 - P1M0, T4
Cable
length [m]
Mains
voltage [V]
Rise time
[μsec]
Vpeak
[kV]
dU/dt
[kV/μsec]
30 500 0.71 1.165 1.389
30 400 0.61 0.942 1.233
30
500
1
0.80 0.906 0.904
30
400
1
0.82 0.760 0.743
Table 8.6: 1: With Danfoss dU/dt filter.
Frequency Converter, P110 - P400, T7
Cable
length [m]
Mains
voltage [V]
Rise time
[μsec]
Vpeak
[kV]
dU/dt
[kV/μsec]
30 690 0.38 1.513 3.304
30 575 0.23 1.313 2.750
30
690
1)
1.72 1.329 0.640
1) With Danfoss dU/dt filter.
Frequency Converter, P450 - P1M4, T7
Cable
length [m]
Mains
voltage [V]
Rise time
[μsec]
Vpeak
[kV]
dU/dt
[kV/μsec]
30 690 0.57 1.611 2.261
30 575 0.25 2.510
30
690
1)
1.13 1.629 1.150
1) With Danfoss dU/dt filter.
8 General Specifications and Troubleshooting VLT
®
HVAC Drive Design Guide
178 MG.11.B9.02 - VLT
®
is a registered Danfoss trademark
8

Danfoss VLT HVAC Specifications

General

Enclosure Rating	IP20, IP21, IP54, IP55, IP66
Storage Temperature Range	-25°C to +70°C
Output Voltage Range	0-100% of supply voltage
Communication Protocols	Modbus RTU, BACnet, Ethernet/IP, Profibus DP
Ambient Temperature Range	-10°C to +50°C (without derating)
Relative Humidity	5% to 95% non-condensing
Altitude	Up to 1000 m without derating
Cooling Method	Air cooled
Application	HVAC systems, Pumps, Fans, Compressors
Voltage Range	200-240 V, 380-500 V, 525-600 V
Frequency Range	0 Hz to 590 Hz