20
Unidrive Regen Installation Guide
www.controltechniques.com
Issue Number: 2
When used with the recommended filters, the Regen drive system complies with the requirements for conducted emission in the following standards:
Table 7-1
Requirements for conducted emission
For installation in the “second environment”, i.e. where the low voltage supply network does not supply domestic premises, no filter is required in
order to meet IEC61800-3 (EN61800-3):1996.
7.8.1
Recommended RFI filters
These are the same filters as recommended for standard (non-regenerative) operation:
Table 7-2
Recommended filters
7.8.2
Related product standards
The conducted emission levels specified in EN50081-2 are equivalent to the levels required by the following product specific standards:
Table 7-3
Conducted emission from 150kHz to 30MHz
When an RFI filter is used the switching frequency filter discussed above must also be used. Failure to observe this may result in the RFI
filter becoming ineffective and being damaged.
Motor cable length (m)
Switching frequency (kHz)
3
1.5
I
100
I
Key to
table
Standard
Description
Frequency
range
Limits
Application
I
EN50081-2
Generic emission standard
for the industrial
environment
0.15 - 0.5MHz
79dB
µ
V quasi peak
66dB
µ
V average
AC supply lines
0.5 -30MHz
73dB
µ
V quasi peak
60dB
µ
V average
EN61800-3
IEC1800-3
Product standard for
adjustable speed power
drive systems
Input current >25A: Requirements for the first environment
1
:
Unrestricted distribution
Input current <25A: Requirements for the first environment
2
: Restricted
distribution
1
The first environment is one where the low voltage supply network also supplies domestic premises
2
Restricted distribution means that drives are available only to installers with EMC competence
Operation without a filter is a practical cost-effective possibility in an industrial installation where existing levels of electrical noise are likely
to be high, and any electronic equipment in operation has been designed for such an environment. There is some risk of disturbance to
other equipment, and in this case the user and supplier of the drive system must jointly take responsibility for correcting any problem which
occurs.
Drive
Motor cable
length m
RFI filter:
C.T. part number
UNI 1405
100
4200-6105
UNI 2401 - 2402
4200-6109
UNI 2403
4200-6114
UNI 3401 - 3403
4200-6116
UNI 3404
4200-6117
UNI 3405
4200-6106
UNI 4401 - 4402
4200-6107
UNI 4403 - 4404
4200-6111
UNI 4405
4200-6112
UNI 5401
4200-6115
Generic standard
Product standard
EN50081-2
EN55011 Class A Group 1
CISPR 11 Class A Group 1
Industrial, scientific and medical
equipment
EN55022 Class A
CISPR 22 Class A
Information technology
equipment
CAUTION
CAUTION