The following test results have been obtained using a system with a frequency converter (with
options if relevant), a screened control cable, a control box with potentiometer, as well as a
motor and motor screened cable.
RFI filter type
Conducted emission
Radiated emission
Industrial environment
Housing,
trades and
light indus-
tries
Industrial en-
vironment
Housing, trades
and light indus-
tries
Setup
EN 55011
Class A2
EN 55011
Class A1
EN 55011
Class B
EN 55011
Class A1
EN 55011 Class
B
H1
1.1-45 kW 200-240 V
150 m
150 m 1)
50 m
Yes
No
1.1-90 kW 380-480 V
150 m
150 m
50 m
Yes
No
H2
1.1-3.7 kW 200-240 V
5 m
No
No
No
No
5.5-45 kW 200-240 V
25 m
No
No
No
No
1.1-7.5 kW 380-480 V
5 m
No
No
No
No
11-90 kW 380-480 V
25 m
No
No
No
No
H3
1.1-45 kW 200-240 V
75 m
50 m 1)
10 m
Yes
No
1.1-90 kW 380-480 V
75 m
50 m
10 m
Yes
No
Hx
1.1-7.5 kW 525-600 V
-
-
-
-
-
Table 2.1: EMC Test Results (Emission, Immunity)
1) 11 kW 200 V, H1 and H2 performance is delivered in enclosure type B1.
11 kW 200 V, H3 performance is delivered in enclosure type B2.
2.10.2. Required Compliance Levels
Standard / environment
Housing, trades, and light indus-
tries
Industrial environment
Conducted
Radiated
Conducted
Radiated
IEC 61000-6-3 (generic)
Class B
Class B
IEC 61000-6-4
Class A1
Class A1
EN 61800-3 (restricted)
Class A1
Class A1
Class A1
Class A1
EN 61800-3 (unrestricted)
Class B
Class B
Class A2
Class A2
EN 55011:
Threshold values and measuring methods for radio interference from industrial,
scientific and medical (ISM) high-frequency equipment.
Class A1:
Equipment used in a public supply network. Restricted distribution.
Class A2:
Equipment used in a public supply network.
Class B1:
Equipment used in areas with a public supply network (dwellings, commerce,
and light industries). Unrestricted distribution.
2.10.3. EMC Immunity
In order to document immunity against electrical interference from electrical phenomena, the
following immunity tests have been made on a system consisting of a frequency converter (with
options, if relevant), a screened control cable, and a control box with potentiometer, motor cable,
and motor.
The tests were performed in accordance with the following basic standards:
•
EN 61000-4-2 (IEC 61000-4-2): Electrostatic discharges (ESD)
Simulation of
electrostatic discharges from human beings.
2. Introduction to VLT HVAC Drive
VLT
®
HVAC Drive Design Guide
42
MG.11.B2.02 - VLT
®
is a registered Danfoss trademark
2
Содержание VLT series
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