DC Filter

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DC Filter
DC Filter

Modern solar inverters, that use MPP (maximum power point) trackers, generate disturbances into both the grid’s AC power line, as well as the DC side of the solar module. An AC filter is normally used on the grid’s AC power line, but the noise generated on the DC side tends to be overlooked. EMC standards EN 61000-6-3 and EN55014-1, however, also put limits on the noise generated from lines not connected to the grid, such as for example the line to the solar panels. Meeting these limits can be achieved by using a DC filter on the DC side of the inverter. Large solar inverters installed in electrical installations will generally require a cooling system. Components which provide high temperature resistance simplify the system and reduce the energy needed to cool. Schurter’s FMER SOL filters are designed for rated currents from 25 to 1500 A at 55 °C ambient temperature, and voltages up to 1200 VDC. Operating temperature range is -40 to 100 °C. The filters have screw clamps for types up to 150 A and copper bars for types upwards of 250 A. Other types of connections, such as wires or copper bars for <250 A, are available on request. Small adjustments can also be made to the electrical circuit or to the filter housing on request. cURus approval, up to 75°C ambient temperature, is expected for 1st quarter 2011.

Edited by: Teoman Tugsuz

Posted on March 8, 2011 - (2571 views)
SCHURTER AG
Werkhofstrasse 8-12
6002 Luzern - Switzerland
+41-41-3693111
+41-41-3693333
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Description

SCHURTER continues to be a progressive innovator and manufacturer of electronic and electrical components worldwide. Our products ensure safe and clean supply of power, while making equipment easy to use. We offer a broad range of standard products including circuit protection, connectors, EMC products, switches and input systems, as well as electronic manufacturing services. Moreover, SCHURTER is ready to work with our customers to meet their application specific requirements, not covered in our standard range. You can rely on SCHURTER's global network of companies and partners to guarantee a high level of local service and product delivery.

Products and Services: Circuit Protection: Fuse-Links, Fuseholders, Circuit Breakers for Equipment, Voltage Selectors Connectors: IEC Appliance Couplers, Appliance Inlets, Connectors, Appliance Outlets, Plugs, Power Supply Cords, Interconnection Cords EMC Products: 1- and 3-phase Line Filters with and without IEC Appliance Inlets, Sine Filters, Chokes and Pulse Transformers Switches: Metal Line Switches, Printmount and Frontpanel Switches, Public Transport Switches, Indicators Input Systems: Metal- and Membrane Keypads, Touch Screens, Touch Panels, Cabinet and Housing Systems. Services: Electronic Manufacturing Services for the Electronic Industry, Development of Customer specific Products, Support of pre Compliance Measurement for EMC topics

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