Schaffner Sine Wave Filter Series Manuel utilisateur

Schaffner Group I Product Marketing I Nordstrasse 11 I 4542 Luterbach I Switzerland

T +41 32 681 66 26 I F +41 32 681 66 30 I www.schaffner.com

INS 112882 C 05.03.2014 EJE 1I5

Sine Wave Filter Series FN 5040, FN 5045 and FN 5040 HV

Mounting and Installation Guidelines

Please read and follow the safety, application and installation notes.

Important safety notes

Filter installation, start-up, operation and maintenance (if any) has to be carried out by a

trained and certified electrician or technician, who is familiar with safety procedures in

electrical systems.

Danger of electrical shock! High voltage potentials are involved in the operation of this

product. Always remove power before handling energized parts of the filter, and let ample

time elapse for the capacitors to discharge to safe levels (<42 V). Residual voltages are to be

measured both line to line and line to earth.

Always connect the filter to protective earth (PE) first, then continue with the wiring of phase

terminals. When decommissioning the filter, remove the PE connection at the end. The sine

wave filter must not be operating without connected motor.

Follow the general installation notes closely. Ensure that cooling slots, openings or grids (if

any) are free from obstructions that could inhibit efficient air circulation. Operate the filter

within its electrical, mechanical, thermal and ambient specifications at all times.

For safety reasons, LC sine wave filters must be installed in a way to prevent access of non-

qualified persons to the filters.

Sine wave filters are lossy electrical components. Filter surfaces and terminals may get hot

under full load operating conditions and can exceed surface temperature >80 °C.

Always practice the safety procedures defined by your company and by applicable national

electric codes when handling, installing, operating or maintaining electrical equipment.

In case of uncertainty and questions please contact your local Schaffner partner for

assistance.

Schaffner Group

Sine Wave Filter FN 5040, FN 5045, FN 5040 HV

Mounting and Installation Guidelines

INS 112882 C 05.03.2014 EJE 2I5

General application notes

NOTICE Filter suitability for a given application must ultimately be determined by the user

(the party that is putting the filter into operation) on a case-by-case basis.

Schaffner will not assume liability for any consequential downtimes or damages

resulting from use of filters outside their specifications.

NOTICE Sine wave filters must be mounted in a clean, dry location (enclosures, cabinets,

closed rooms). Contaminants such as oils, liquids, corrosive vapors, abrasive

debris, dust and aggressive gases must be kept out of the filter enclosure.

Standard products Standard catalog filters must be used for the published applications and

operated within the published technical specifications.

Custom products Custom filters must be used for the bespoke application and operated within the

provided and mutually agreed technical specifications.

NOTICE Sine wave filters are design-in products by definition. Their functionality and

suitability must be determined with a proper design-in process, involving

electrical, mechanical and thermal verification within the final equipment.

General installation notes

•Carefully inspect the shipping container and the product prior to the installation. In case of visual

damage, don’t install the filter and file a claim with the freight carrier involved.

•Filters may be heavy. Follow the instructions for lifting heavy equipment defined by your company.

•Use an appropriately sized threaded bolt for every mounting hole/slot provided by the filter flange.

The strength class of the bolt must be determined by the installer, depending upon filter weight and

the material of the mounting surface.

•Connect the filter to the protective earth (PE) terminal(s).

•Remove all line side power, then connect the phase terminal(s) and neutral terminal (if any) of the

filter.

•For the electrical connection of the filter terminals, apply the torques recommended on the filter label

and/or in the published filter datasheets. For the bus bar connections do apply the corresponding

tightening torque of the screws.

•Cable or busbar cross sections have to be chosen in accordance with national and international

electric codes and applicable product standards governing the equipment that will incorporate the

filter.

•Special attention should be paid to cable dimensioning, fuses, grounding, shutdown, disconnection,

and overcurrent protection.

In order to get the maximum benefit out of the Schaffner filters, please also consult “Basics in EMC

and Power Quality”, published in the download section of www.schaffner.com. These additional

guidelines provide helpful hints for HF-grounding, shielding, proper cable routing, etc.

Schaffner Group

Sine Wave Filter FN 5040, FN 5045, FN 5040 HV

Mounting and Installation Guidelines

INS 112882 C 05.03.2014 EJE 3I5

Filter placement

Lift the IP20-filter of series FN 5045 with appropriate crane using lifting eye bolts – smaller types may be

lifted manually by two persons (no lifting eye bolt applicable).

The sine wave filter or the inductance unit (with separate capacitor bank) shall in principle be

mounted horizontally in order to respect a proper heat dissipation flow. To ensure an

optimum ventilation and thermal radiation, it is recommended to leave enough space towards

surrounding equipment, walls or components in all directions. A minimum free space below

and above the filter of >150 mm and >50 mm aside is required. The separate capacitor bank

can be mounted aside the inductance with a minimum air distance of 150 mm. Due to the

heat dissipation of the inductance it is not recommended to mount the capacitor bank above

or on top of the inductance.

Permitted mounting positions: FN 5045 up to 115 A:

Prohibited mounting positions:

The pictures above show permitted and prohibited mounting positions. The mounting on a vertical plate

(top left picture) is limited to IP00 products with a maximum weight of 25 kg or for IP20 products of

FN 5045 series (far right picture) up to 115 A. Use all available mounting holes and select the correct

screws and washers in order to ensure a reliable mounting and to do justice to the weight of these

products. Apply torques appropriate for the strength class of the screws and washers you are using.

Specifications can be obtained from the supplier of the screws and washers.

Schaffner Group

Sine Wave Filter FN 5040, FN 5045, FN 5040 HV

Mounting and Installation Guidelines

INS 112882 C 05.03.2014 EJE 4I5

Wiring and connections

The filter rating has to be compatible with the drives to which it is to be connected. All drives

manufacturer installation and safety instructions must be fulfilled. The typical block schematic is shown

for a motor load, but the load can be also multiple motors or a transformer. Drives and load cable

selection/placement should be in accordance with all local electrical standards and regulations.

In many applications a shielded motor cable may not be required when a sine wave filter is applied with

a motor drive. Anyhow, due to other possible influences of common mode disturbances Schaffner does

recommend to use shielded motor cables. This is to avoid back-coupling of radiated interferences to the

mains cable at the frequency range from 1–30 MHz. This EMC measure however can only be

considered to be efficient, if the ends of the cable shield of the motor cable are put in proper HF low-

impedance contact with the ground of the motor and the frequency converter.

Sine wave filters with separate capacitor bank must be connected as follows:

Drive Motor

Schaffner Group

Sine Wave Filter FN 5040, FN 5045, FN 5040 HV

Mounting and Installation Guidelines

INS 112882 C 05.03.2014 EJE 5I5

Please respect following motor cable length and PWM switching frequency dependency:

FN 5040 / FN 5045 FN 5040 HV

*In case a step-up transformer is used, then the length is meant to be between the filter and transformer.

Required drives settings

Ensure the motor drive switching frequency is set to the required minimum switching frequency (see filter

selection table). Higher frequencies are allowed. The mode of operation must be “scalar” (V/Hz). Check

the drives manual whether special settings are necessary. For any questions please contact the drives

manufacturer.

If the drives settings are not correct, the filter may be damaged!

Last update: March 2014

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