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technical guide

 du/dt filter

ac drives

vacon

®

 100 x

vacon

®

 100 hvac

vacon

®

 100 flow

vacon

®

 100 industrial

Summary of Contents for 100 INDUSTRIAL

Page 1: ...technical guide du dt filter ac drives vacon 100 x vacon 100 hvac vacon 100 flow vacon 100 industrial...

Page 2: ......

Page 3: ...ives local contacts TABLE OF CONTENTS Document code DPD01929A Date 12 1 2017 1 Introduction 2 1 1 Intended use 2 1 2 Safety 2 2 dU dt filter range 4 2 1 General 4 2 2 Installation 8 2 3 Filter types 1...

Page 4: ...Before you do electrical work on the drive system disconnect the drive from the mains and make sure that the motor has stopped Lock out and tag out the power source to the drive system Make sure that...

Page 5: ...ion vacon 3 Local contacts http drives danfoss com danfoss drives local contacts 1 CAUTION Use shielded cables to reduce noise electromagnetic interference noise and to prevent malfunction in the inst...

Page 6: ...ired NOTE In uncertain cases confirm the rating of the motor in AC drive application with the motor manufacturer NOTE Set the switching frequency parameter to correspond to the value given in the Appl...

Page 7: ...nk voltage in practice 1 8 1 9 x Udc The voltage is fully developed at cables that are 5 m Note that the DC link voltage is increased if the supply is higher or if an active front end maintains a high...

Page 8: ...Filters are chosen so that their rated current is bigger than the drive current They will thermally withstand the same overload specification as the drive NOTE The dU dt filters are designed for a swi...

Page 9: ...pulse voltage Upk measured between two motor phase terminals Table 2 Typical peak voltage Upk and dU dt values for VACON 100 dU dt filters Values are based on default cable types given in drive manual...

Page 10: ...s that are longer than 150 m it is recommended to use a filter that is bigger by one size or a sine filter A filter that is bigger by one size can be used to increase cable length up to 200 m Above th...

Page 11: ...W1 use screened and or twisted cables Between the unit output U2 V2 W2 and the motor use shielded cables If you use unscreened cables make sure that the installation minimises the possibility of cross...

Page 12: ...440 V 50 60 100 Hz A 500 V 50 60 100 Hz A 600 V 50 60 100 Hz A 690 V 50 60 100 Hz A Power loss W IP class Default switching frequenc y 130B2835 130B2836 130B2837 44 41 33 40 37 30 34 32 25 27 25 20 18...

Page 13: ...379 155 125 220 11 50 13 6 2 6 12 7 50 2 0 6 0 130B2839 IP20 475 158 310 16 2 130B2841 IP00 Wall 395 379 155 125 220 11 50 13 6 2 6 22 50 2 0 6 0 130B2842 IP20 475 158 310 25 5 130B2844 IP00 Wall 445...

Page 14: ...con dU dt filter range Local contacts http drives danfoss com danfoss drives local contacts 2 Dimensional data for IP54 Figure 8 IP54 130B2837 dimensional drawing Figure 9 IP54 130B2840 dimensional dr...

Page 15: ...dU dt filter range vacon 13 Local contacts http drives danfoss com danfoss drives local contacts 2 Figure 10 IP54 130B2843 dimensional drawing Figure 11 IP54 130B2846 dimensional drawing...

Page 16: ...in figures 12 and 13 It is assumed that the default cable type has a capacitance of 40 nF 100 m The values should be scaled in accordance with the actual cable capacitance In case of multiple cables...

Page 17: ...and 15 It is assumed that the default cable types have a capacitance of 45 55 nF 100 m The values should be scaled in accordance with the actual cable capacitance In case of multiple cables the capac...

Page 18: ...and 17 It is assumed that the default cable types have a capacitance of 55 60 nF 100 m The values should be scaled in accordance with the actual cable capacitance In case of multiple cables the capac...

Page 19: ...and 19 It is assumed that the default cable types have a capacitance of 60 65 nF 100 m The values should be scaled in accordance with the actual cable capacitance In case of multiple cables the capac...

Page 20: ...and 21 It is assumed that the default cable types have a capacitance of 80 85 nF 100 m The values should be scaled in accordance with the actual cable capacitance In case of multiple cables the capac...

Page 21: ...205 130B2847 130B2848 MR9 0261 0310 130B2847 130B2848 Table 6 dU dt filter selection for 380 500 Vac drives 380 500 Vac dU dt filter selection Enclosure size AC drive IP00 IP20 IP23 IP54 MR4 0003 001...

Page 22: ...orresponds to the actual switching frequency Vice versa the maximum switching frequency is given as a function of cable length Do not exceed these values The cable types declared in the curves are def...

Page 23: ...6 has cable MCMK 3 x 25 16 45 nF 100 m instead of the default MCMK 3 x 10 10 the max cable length is calculated as follows 40 nF 45 nF x 150 m 133 m Parallel cables In case of parallel connected cable...

Page 24: ...Document ID DPD01929A Rev A Sales code DOC INSDUDT DLUK Vacon Ltd Member of the Danfoss Group Runsorintie 7 65380 Vaasa Finland www danfoss com...

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