The modular design of ecosine active sync always allows a suitable filter size to be supplied and, in addition, the 60 a modules can be easily fixed to the wall or integrated into system control cabinets. As the latest generation of active harmonic filters ecosine active offers numerous additional advantages. Schaffner supplies a wide range of products including output filters, line reactors and passive and active harmonic filters that maximize the reliability and service life of installed equipment, minimize circuit feedback and thus support the stability of power grids. Ecosine active s functionality can be compared to waves in the ocean. The schaffner group is a global leader in providing solutions that ensure the efficient and reliable operation of power electronic systems by shaping electrical power. Schaffner emv ag, nordstrasse 11, 4542 luterbach, switzerland.
Whichever power line filter you choose, you can rely on schaffners quality. The hga monitors the load current and reacts to changes immediately. Emc filters in medical technology high performance thanks to a perfected design. The ahf analyzes network disturbances and provides an opposing compensation current. The new modular ecosine active sync series do present fitted and economical solutions for the most demanding harmonic mitigation tasks with any kind of nonlinear load involved. This english version of the schaffner group annual report 2012 is a translation from the german and is provided solely for readers convenience. The schaffner group is the international leader in the development and production of solutions which ensure the efficient and reliable operation of electronic systems. The companys portfolio includes emc filters, power magnetic components, power quality filters and the related services. Important ecosine active harmonic filters ahf listed below are ip20 or ip54 devices to be installed in an environment in compliance with the requirements named in this document. Pdf fn92441506 schaffner power supply filters power entry module filtered m 3pos 250vac 15a st 1port fn9244sb1506 schaffner power supply filters power entry module filtered m 3pos 250vac 15a st 1port fn9244s1r1006 schaffner power supply filters. The very popular singlephase emc filter portfolio of schaffner is extended by additional high performance versions of the filter family fn 2070. They are packaged with great care in a sturdy container for international shipment.
Due to very high safety standards, medical devices must be equipped with special emc filters. Schaffner offers the broadest selection of offtheshelf iec inlet filters with the most diverse packaging options, making it easy to select the right product for the job at hand. In order to ensure maximum availability, three fn 3420504803 filters were installed in parallel and operated with a 480525v matching. Ecosine active provides i reliability eliminates all relevant disturbance patterns in the power lines lowers energy cost through reduced reactive power demand prevents losses due to production downtimes constantly adapts to the network topology i fast response time compensates disturbances before they can cause damage i costsavings avoidsreduces wear on electrical loads and overheating of. Harmonics also cause a temperature rise in the electrical network and in equipment, resulting in losses and shorter service life. The same principle can be applied also to power networks. Ecosine active the best harmonic filter money can buy. With a plugandplay approach and more compact dimensions than comparable products. And we construct modules under the control of the most advanced quality system. User and installation manual ecosine active sync rev1. This latest generation of active filters available from alpes technologies, as a result of the partnership with schaffner group, allows you to limit harmonics and so reduce maintenance costs and machine downtime. The new phf generation ecosine evo is designed for the most demanding harmonic mitigation tasks with frontend 6pulse rectifiers. Active harmonic filters ahf are power quality devices that permanently monitor all kinds of nonlinear loads and dynamically provide precisely controlled current that cancel the entire spectrum of damaging harmonic currents at the point of connection. The schaffner group is an international leader in the development and production of solutions which ensure the efficient and reliable operation of electronic systems.
Unlike passive harmonic filters, these filters can provide harmonic mitigation under any load conditions up to their rated capacity. Proper selection of active and passive power quality filters schaffner. Compact general purpose threephase and neutral line emc filter n threephase and neutral line filter for approvals general purpose fourwire filtering n compact spacesaving design n choice of connection style n low operating leakage current typical applications n fn 256 filters are designed specifically for applications involving asymmetric loads. Schaffner updates its modular active harmonic filters. Design of secondorder filters is the main topic of consideration. In the analysed grid, a 4wire active harmonic filter ecosine sync fn 3541 by schaffner 5 was connected at the connection point of the heat. New in the schaffner product offering are active filters for three phase networks on the level of 690 v50 hz or 600 v60 hz, often used in heavy industry, chemical. Schaffner emcemi filters can be used in many renewable energy systems as a cost effective and compact method of reducing emissions without impacting timetomarket and product margins. Schaffner s chassis and pcbmounting filter range rapid selection using the current rating and attenuation performance indicators, together with the major features shown on the right, this table allows you to quickly identify a short list of filter families which are potentially suitable for your application, for. The schaffner group active power quality filter noise cancelling for the grid 27 grid silence compensation current created by the filter harmonics created by load ct exemplification. Tabulated filter prototypes are usually given for low pass filters, with break frequency 1 rads and load impedance 1 ohm from a lp filter prototype to get a hp filter with the same break frequency by the mapping. Schaffner emv ag white paper rating of harmonic filters december, 2008 215.
Aug 14, 2014 reactive power can be compared to the foam on a glass of beer for more information. Schaffner ecosine harmonic filters represent an economical solution to the challenge of loadapplied. All active harmonic filters ahf must be installed in a clean, dry location, e. Eaton s active harmonic filters, known as harmonic correction units hcu2 provide dynamic harmonic mitigation and power factor correction by actively injecting reactive currents into an electrical distribution system to cancel damaging harmonic currents and supporting power factor requirements at the point of connection. The device can be thought of as a controlled current source, which provides any kind of current waveform in real time. May 31, 2017 modular passive harmonic filters from schaffner ecosine evo the new generation. Ecosine active sync filter series provides a solution concept which is modular, smaller. Operating and installation instructions ecosine active rev6. The most current edition of these instructions pdf format can be obtained from your contact of the schaffner organization or online at other technical documentation of our products is also available in the download area of our website. Noise cancelling for the grid schaffner group2014 the schaffner.
Active filters pqfipqfmpqfs improving power quality for efficiency and reliability english pdf brochure power quality filters harmonics mitigation, load balancing and reactive compensation on lv networks english pdf brochure. Active harmonic filter harmonic correction unit eaton. With a plugandplay approach and more compact dimensions than comparable products, they can be quickly installed and easily commissioned. This latest generation of active filters available from alpes technologies, as a result of the partnership with schaffner group, allows you to limit harmonics and so. I will derive in detail the expression for the frequency response of an rc circuit and show how it can be used as a low pass filter. Active harmonic filters from schaffner with a total compensation current of 150a solve these particular problems. All pass filter based analogue filters are similar to the digital filters. The 690 v ecosine active, based on stateoftheart power electronics technology for active harmonic filters, fulfills all requirements for harmonic mitigation equipment in industrial power networks. Power quality active filters lowvoltage capacitors and. Schaffner offers the worlds broadest selection of emcemi filters and chokes.
The schaffner group has expanded its product range of iec inlet filters by a singlestage fn 9280 and a dualstage fn 9290 series of filtered power entry modules. By continuing to browse the site you are agreeing to our use of cookies. Ecosine active sync filter for single phase applications newly introduced dc approval. Press release the schaffner group introduces ecosine. This has strong repercussions on the grid and dramatically degrades its power quality. Ecosine passive schaffner group pdf catalogs technical. Active filters 4 single op amp second order active filters krc or sallenkey filters the second order passive low pass filter has an asymptotic slope of 40 db dec at high frequencies. Schaffner components are deployed in energyefficient drive systems and electronic motor controls, in wind power and photovoltaic systems, rail technology, machine tools and robots as well as power supplies for numerous electronic devices in sectors such as medical technology or telecommunications. If, however, despite ups protection and emergency generators problems arise, such as.
Schaffners fn3420 active harmonic filter safeguards. The schaffner groups innovative harmonic filters ecosine active ensure that there is no interference among the various types of equipment with their nonlinear controls so that light regulators, frequency converters, sound technology and it function smoothly at all times. Compact emi filters with connector like the popular fn9222 family are the first choice when space is at a premium. Each apf module is an independent harmonic filtering system, and users can change the harmonic filtering system rating by adding or removing apf modules. Ecosine active filters are tripleduty high performance devices for harmonics mitigati. Press release the schaffner group introduces ecosine active. Reactivepower compensation and active filters siemens 2011 3 7 safety, costefficiency and the faultfree operation of machinery, production facilities and devices are key requirements for any enterprise. The modular design of ecosine active sync always allows a suitable filter size to be supplied and, in addition, the 60 a modules can be easily fixed to the wall or integrated. The new ecosine active sync as a powerful and highly dynamic active harmonic filter can reliably reduce such perturbations and thus ensure clean operation. It offers a broad range of standard components, an efficient measurement service, expert technical advisors and the skills to develop and produce customerspecific.
Schaffner emc emi filters can be used in many renewable energy systems as a cost effective and compact method of reducing emissions without impacting timetomarket and product margins. Active harmonic filter ecosine active sync schaffner. Ecosine active 600690v schaffner group pdf catalogs. Schaffner announces the introduction of the eco sine active sync, a new generation of active harmonic filters. Builtin savings potential the cubicles of sivacon s8 for central reactivepower compensation relieve transformers and cables, reduce trans mission losses, and therefore save energy.
Lowpass filters are commonly used to implement antialias filters in dataacquisition systems. Drawing on the companys broad knowledge and experience of applications and solutions in power quality the new modular ecosine active sync series offers bestfit technical and cost effective solutions for the most demanding harmonic mitigation tasks and is suitable for use with any. Ecosine active harmonic filters packaging instructions. Hybrid harmonic filtering hybrid harmonic filtering is the combination of passive and active harmonic filtering. Ecosine active masters all of the challenges the measurement institute came to the conclusion that the best way to deal with the problems would be 12 decentrally installed active filters. Schaffner ecosine harmonic filters represent an economical solution to the challenge of. The groups diverse range of offerings includes emc components, active and passive harmonic filters. Emc and power quality solutions for 3phase ac power systems. Due to the ultracompact design and the patented slidein module with integrated line switch and fuse holder, the emc filter modules with iec appliance inlets type c14 set new.
The modular design of ecosine active sync always allows a suitable filter size to be supplied and. They opted for fn3430 series ecosine active filters from schaffner, modern active filters with fourwire technology and compensation cur rents of 60 and. Schaffner ecosine harmonic filters represent an economical solution to the challenge of loadapplied harmonics mitigation in threephase power systems. Schaffner has the expertise for the early identification of potential sources of interference, both in the development of new products and in subsequent system optimization. Reactivepower compensation and active filter lower power costs with the intelligent sivacon technology s answers for infrastructure. An electrical filter can be passive, active, analog, or digital. Even partial load situations causing harmonic currents can be effectively mitigated. Schaffner ecosinetm passive harmonic filters represent an economical solution to the challenge of.
The example provides suggestions of how schaffner emcemi filters can be used in a renewable energy system. Active lowpass filter design jim karki aap precision analog abstract this report focuses on active lowpass filter design using operational amplifiers. An active harmonic filter, like the ecosine active 200250300a, cancels and injects current to correct the sine wave, before the harmonics can cause any damage to the electrical system or equipment. Passive filters university of california, san diego. Schaffner provides sales and services to customers throughout north america, with a highly qualified network of partner organizations. It is a device usually composed of discrete components which can be placed between circuits, networks, or equipmentsystems to either emphasize, deemphasize or control the frequency components of a desired or undesired signal.
Lcl filter for active front end motor drives and active infeed converter. Filter configurations we use cookies in order to providing content more accurately suited to your needs. The schaffner group is a global leader in providing solutions that ensure the efficient and reliable operation of power electronic systems by shaping. If two waves of the same height and intensity meet, they cancel each other out. Ecosine active improves power quality in real time. Schaffner is also technology leader for active harmonic filters. Active harmonic filters active filters are power electronic devices connected in parallel with the load to be compensated. User and installation manual ecosine active sync schaffner. Schaffner introduces eco sine active sync a new generation. The load exerted by harmonics on the power network infrastructure has increased dramatically over the past few years.
With ecosine active fn34202006903, schaffner provides a powerful solution for. It is a device usually composed of discrete components which can be placed between circuits, networks, or equip mentsystems to either emphasize, deemphasize or con. The internationally leading company in the field of electromagnetic compatibility introduces a new series of singlephase. Eaton s active harmonic filters, known as harmonic correction units hcu2 provide dynamic harmonic mitigation and power factor correction by actively injecting reactive currents into an electrical distribution system to cancel damaging harmonic currents and supporting. Schaffner, the international leader in the field of electromagnetic compatibility and power quality, is again. Schaffner continues to make ongoing investments in research, development, production and sales to systematically expand its position as leader in the marketplace.
Please consult the schaffner installation manual for cooling requirement. The amplitude of signals outside this range of frequencies called stop band is reduced ideally reduced to zero. In this article, we will focus solely on the use of passive and active harmonic filters in lowvoltage installations. Schaffner offers a new high performance filter product line for cabinets. Most effective harmonic mitigation up to the 50th order, parameter setting for even and odd harmonics compact active harmonic filter for 3phase. It reliably mitigates harmonics and compensates voltage dips as well as reactive power. The schaffner group introduces ecosine active sync series, the new generation of modular, compact, effective and reliable active harmonic filters. This installation manual is intended to support designers, installers, and application engineers with filter. Pdf harmonic filtering in variable speed drives researchgate. Harmonic filter design procedures and solutions for complex harmonic filtering. When designing modern power systems, one of the main challenges faced by panel builders is finding the right components to build a complete system. However, carefully inspect the shipping container for damage that may have occurred in transit. The schaffner group is a global leader in solutions that ensure the efficient and reliable operation of power electronic systems by shaping electrical power.
The most current edition of these instructions pdf format can be obtained from your contact of the schaffner sales or service organization. I discuss terms like active filters, passive filters, lowpass, highpass, bandpass and bandreject filters. Apr 17, 2018 schaffner launches an updated version of its rack mounted active harmonic filter with higher efficiency and heat tolerance as we understand. Schaffner pcb filter fn 409 schaffner feedthrough filter fn 7611 schaffner threephase filter fn 3270. Ecosine active is the new generation of active harmonic filters ahf.
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