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vacon • 14

Filter types

Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/

2.2

dU/dt filters

2.2.1

General

The VACON

®

NX drives use IGBT transistors as an output element. These semiconductors create

the correct voltage to the motor switching it at very high speed (4 - 6 kV/s) with an unloaded IGBT.
This high speed will, under certain circumstances, cause extra voltage stress on the main insulation
of the motor.

Usually there are no problems with motors designed for a 400 V supply. Such motors are usually
designed for a voltage level of 1200 V, which exceeds the AC drive induced stress.

In 500 V supplies the motor has to withstand at least 1600 V. A dU/dt filter is often required with
these motors in order not to exceed the allowable voltage stress. In 690 V supplies the motor has to
withstand at least 1800 V, and a dU/dt filter is required in these cases.

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 printed on the nameplate

of the filter and the output voltage level. Do not increase the switching frequency above the rated
value of the filter. Decreasing it below is allowed.

The high switching speed (about 2 kV/s) with the motor and cable connected, creates a travelling
wave in the cable. The speed of this wave is set by the cable's wave impedance, usually about 50 -
100 Ω. This is less than the motor's wave impedance, which is on the order of 1 kΩ. As the travelling
voltage wave hits this discontinuity, it is reflected back, increasing the instantaneous voltage on the
motor winding. The wave is reflected back and forth between motor and drive and finally the steady
state voltage is reached.

Winding voltage stresses

The rapid change in voltage is not distributed equally over all windings, but the first windings show
higher voltage stresses than the inner ones, due to the capacitive coupling between the windings.
Modern motors can withstand a voltage rise times of < 2 kV/µs. In case of doubt, use a dU/dt filter
or contact the motor manufacturer.

Figure 5. Change of the voltage shape in winding

#

Reference

#

Reference

A

Incoming pulse

B

Winding voltage

B

A

7122_00

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Содержание RFI-0012-5-IP54

Страница 1: ...vacon nx ac drives rfi du dt and sine filters user manual...

Страница 2: ......

Страница 3: ...3 3 Installation 32 3 Drawings and diagrams 36 3 1 Dimension drawings 36 3 1 1 RFI footprint filters 36 3 1 2 External RFI filters 40 3 1 3 dU dt and sine filters 43 3 2 dU dt filters in enclosed driv...

Страница 4: ...other I O terminals may carry high voltages even if the AC drive is not connected to the mains NOTE Do not perform any high pot tests megger on the filters The VACON RFI filters are intended for use i...

Страница 5: ...coupled interference may have to be filtered in order to achieve EMC compliance The VACON NX range of AC drives contain an internal filter for bringing the drives into compliance with the standard spe...

Страница 6: ...1 Type code for VACON NX filters DUT 0012 6 0 P UL UL UL listed accessories P Manufacturer identification 0 Enclosure class 5 nominal voltage 0012 Maximum current A 0 IP00 2 IP20 5 IP54 2 200 V 5 520...

Страница 7: ...uilding fed from a dedicated transformer are typical examples of the second environment locations IEC 923 04 EMC designation C fulfils the requirements of category 1 PDS power drive system AC drive pl...

Страница 8: ...code Drawing number Manufacturer s part code Rated vol tage 3 50 60 Hz V AC Nominal current at 50 C A Dimensions W x H x D mm W kg IP class RFI 0012 5 IP54 70CTC1100857 FS32821 16 99 520 16 128 x 395...

Страница 9: ...print RFI filter types can be installed in two ways Back installation procedure is shown in Figure 3 and side installation procedure is shown in Figure 4 Figure 3 RFI filter back installation Referenc...

Страница 10: ...danfoss com en contact us contacts list Figure 4 RFI filter side installation Dimension data Detailed dimension drawings in Chapter 3 1 Reference Reference 1 7 2 Maximum screw length for AC drive moun...

Страница 11: ...0 RFI 0042 6 0 FN258HV 42 33 690 42 46 30 IP20 RFI 0100 6 0 FN258HV 100 35 690 100 109 5 30 IP20 RFI 0180 6 0 FN3359HV 180 28 690 180 197 34 IP00 RFI 0300 6 0 FN3359HV 320 99 690 320 350 19 IP00 RFI 0...

Страница 12: ...be done through a large area If several drives are used check if it is feasible to use one common filter for all drives In that case additional filtering of the drives is unnecessary The cable between...

Страница 13: ...221 122 60 25 6 15 40 11 10 5 RFI 0600 5 0 70CMC10376 70CMC10379 300 260 135 210 120 235 12 2 43 M12 20 20 510 241 177 60 25 8 15 40 11 11 RFI 1000 5 0 70CMC10376 70CMC10379 350 280 170 230 145 255 1...

Страница 14: ...equency parameter to correspond to the value printed on the nameplate of the filter and the output voltage level Do not increase the switching frequency above the rated value of the filter Decreasing...

Страница 15: ...ive is in a regenerative braking mode If this voltage stress is too high it is recommended to use the dU dt filters A dU dt filter is an undammed serial LC filter with a resonance frequency of about 1...

Страница 16: ...e is only one range of filters suitable for the voltage range from 380 to 690 V The filters can also be used at lower voltages if required NOTE The dU dt filters are designed for a switching frequency...

Страница 17: ...ions of dU dt usage based on the voltage class and NEMA motor insulation system NEMA MG1 Part 31 Nominal voltage Un Filters and motor isolation requirements Un 420 V No filters required if the motor i...

Страница 18: ...958 936 200 690 350 310 410 IP00 DUT 0420 6 0 P 958 934 200 690 420 370 450 IP00 DUT 0600 6 0 P 959 904 200 690 600 530 580 IP00 DUT 0820 6 0 P 959 905 200 690 820 720 750 IP00 DUT 1200 6 0 P 978 925...

Страница 19: ...V AC drive Filter IP00 class 500 V AC drive Filter IP 21 class Filter IP 54 class NX_0003 0012 5 DUT 0012 6 0 NX_0003 0012 5 DUT 0012 6 2 P DUT 0012 6 5 P NX_0016 0022 5 DUT 0025 6 0 NX_0016 0031 5 D...

Страница 20: ...0820 6 2 x DUT 0420 6 0 P 2 x DUT 0420 6 0 S NX_0920 1080 6 DUT 1200 6 0 P DUT 1250 6 0 S NX_1500 6 2 x DUT 0820 6 0 P 2 x DUT 0820 6 0 S NX_1900 2250 6 2 x DUT 1200 6 0 P 2 x DUT 1250 6 0 S 500 V AC...

Страница 21: ...d in accordance with the actual capacitance of the cable In case of multiple cables the capacitance is defined as a sum of the cable capacitances NOTE Cooling of P type dU dt filters is based on natur...

Страница 22: ...r other purposes you can also connect the fault contact in series with the RUN or the RUN ENABLE command for their terminal assignment see the relevant application manual Figure 10 Wiring schematic of...

Страница 23: ...uitability table and details of enclosure restrictions for UL listed accessories dU dt filters Illustration figures are shown in Chapter 3 2 Filter IP00 class UL listed accesories Compatible VACON NX...

Страница 24: ...8 2 349 2 177 2 250 2 154 1 132 1 64 2 293 2 200 2 20 0 5 14 0 5 min 45 DUT 0600 6 0 P 300 2 243 2 449 2 192 2 250 2 169 1 147 1 68 2 389 2 200 2 20 0 5 14 0 5 min 45 DUT 0820 6 0 P 300 2 257 2 499 2...

Страница 25: ...70 mm 4 16 mm 6 7 2 5 3 0 13 1 x x DUT 0130 6 0 P 50 95 mm M6 6 12 8 10 22 x x DUT 0210 6 0 P 35 150 mm M8 12 20 22 25 32 x x DUT 0280 6 0 P 70CMC10254 busbar 14 mm M10 25 30 40 50 40 x DUT 0350 6 0...

Страница 26: ...2 256 4 2 133 2 200 2 230 2 150 1 9 0 5 19 27 87 2 60 2 240 DUT 0055 6 5 P 300 2 356 4 2 215 2 300 2 330 2 250 2 9 0 5 19 27 150 2 80 2 340 DUT 0100 6 5 P 600 2 456 4 2 215 2 400 2 431 2 550 2 9 0 5 2...

Страница 27: ...ltage at nominal speed The voltage drop can also be compensated by using an active front end drive increasing the DC link voltage NOTE The sine filters are designed for a switching frequency of 1 5 kH...

Страница 28: ...42 690 7 5 6 6 80 IP00 SIN 0014 6 0 P 927 943 690 14 12 140 IP00 SIN 0023 6 0 P 941 922 690 23 20 180 IP00 SIN 0035 6 0 P 945 1021 690 35 31 210 IP00 SIN 0052 6 0 P 957 966 690 52 45 350 IP00 SIN 0085...

Страница 29: ...5 5 P NX_0007 6 SIN 0008 6 0 P NX_0022 0031 5 SIN 0032 5 0 P NX_0009 0012 5 SIN 0012 5 5 P NX_0010 0013 6 SIN 0014 6 0 P NX_0038 0045 5 SIN 0048 5 0 P NX_0016 5 SIN 0016 5 5 P NX_0018 0022 6 SIN 0023...

Страница 30: ...P NX_0016 5 SIN 0016 5 5 P NX_0170 6 SIN 0185 6 0 P NX_0022 0031 5 SIN 0032 5 0 P NX_0022 5 SIN 0023 5 5 P NX_0208 0261 6 SIN 0287 6 0 P NX_0038 0045 5 SIN 0048 5 0 P NX_0031 5 SIN 0032 5 5 P NX_0325...

Страница 31: ...15 135 2 SIN 0061 5 5 P 560 2 660 2 590 2 600 2 310 2 520 2 11 0 5 24 35 500 2 90 2 30 15 135 2 SIN 0072 5 5 P 560 2 660 2 590 2 600 2 310 2 520 2 11 0 5 24 35 500 2 90 2 30 15 135 2 SIN 0010 5 0 P 70...

Страница 32: ...0460 6 0 P 480 2 420 2 580 2 300 2 425 2 262 2 244 2 13 575 2 320 2 398 2 SIN 0620 6 0 P 660 2 430 2 600 2 290 2 575 2 252 2 208 2 18 625 2 440 2 404 2 SIN 0780 6 0 P 660 2 450 2 640 2 300 2 575 2 262...

Страница 33: ...x SIN 0048 5 0 P 2 5 35 mm 4 16 mm 2 5 5 0 1 5 1 8 24 x x SIN 0075 5 0 P 2 5 35 mm 4 16 mm 2 5 5 0 1 5 1 8 48 x SIN 0110 5 0 P 16 70 mm M8 6 0 7 0 20 25 71 5 x SIN 0180 5 0 P 25 95 mm M8 6 0 12 20 25...

Страница 34: ...ure 11 70CTC1100857 Rev B enclosure size 4 Reference Reference A Wire 4x2 5 mm2 B Line connector Minimum 5 mm2 Maximum 16 solid 25 mm2 Stripping length 16 mm Tightening torque 2 2 3 Nm C Maximum screw...

Страница 35: ...e Reference A Stripping for all wires Cable 4x10 mm2 B Load C Line connector Minimum 0 5 mm2 Maximum 16 solid 25 mm2 Stripping length 16 mm Tightening torque 2 2 3 Nm D Maximum screw length for AC dri...

Страница 36: ...nce A Yellow Green B Stripping for all wires C Load D Line connector Minimum 16 mm2 Maximum 50 mm2 Stripping length 24 mm Tightening torque 6 8 Nm E Cable 4x10 mm2 F Maximum screw length for AC drive...

Страница 37: ...00887 Rev B enclosure size 7 Reference Reference A Load B Line connector Minimum 35 mm2 Maximum 95 mm2 Tightening torque 15 20 Nm C Maximum screw length for AC drive mounting M6x16 100 9 M8 16 230 190...

Страница 38: ...ts https www danfoss com en contact us contacts list 3 1 2 External RFI filters Figure 15 70CMC10375 Rev A Figure 16 70CMC10376 Rev A I J H C L F G B K E A D 7133_00 70CMC10375 Rev A 7134_00 M J G E E...

Страница 39: ...Local contacts https www danfoss com en contact us contacts list Figure 17 70CMC10377 Rev A Figure 18 70CMC10378 Rev A 7135_00 M J G E E F H O C L A I D U U N K B 70CMC10377 Rev A 7136_00 D A E I J H...

Страница 40: ...vacon 42 Drawings and diagrams Local contacts https www danfoss com en contact us contacts list Figure 19 70CMC10379 Rev A 7137_00 W Z V X Y 70CMC10379 Rev A...

Страница 41: ...ings and diagrams vacon 43 Local contacts https www danfoss com en contact us contacts list 3 1 3 dU dt and sine filters Figure 20 70CMC10253 Rev A E G H C F D B A PEU1U2V1V2W1W2 7138_00 70CMC10253 Re...

Страница 42: ...44 Drawings and diagrams Local contacts https www danfoss com en contact us contacts list Figure 21 70CMC10254 Rev A G H C A K L M N B D I J U M M M M M M N N N V S S Q T R P x E F 7139_00 70CMC10254...

Страница 43: ...ings and diagrams vacon 45 Local contacts https www danfoss com en contact us contacts list Figure 22 70CMC10255 Rev A Reference Reference H Cable maximum diameter G H C A D B E F 7140_00 70CMC10255 R...

Страница 44: ...46 Drawings and diagrams Local contacts https www danfoss com en contact us contacts list Figure 23 70CMC10256 Rev A Reference Reference H Cable maximum diameter G E K H A D B J C I 7141_00 70CMC10256...

Страница 45: ...and diagrams vacon 47 Local contacts https www danfoss com en contact us contacts list Figure 24 70CMC10257 Rev A Reference Reference H Cable maximum diameter F E G H K I A D B J M L C 7142_00 70CMC10...

Страница 46: ...n 48 Drawings and diagrams Local contacts https www danfoss com en contact us contacts list Figure 25 70CMC10258 Rev A Reference Reference H Cable maximum diameter F E G H A D B C 7143_00 70CMC10258 R...

Страница 47: ...acts https www danfoss com en contact us contacts list Figure 26 70CMC10321 Rev A Figure 27 70CMC10322 Rev A E I H K C G F F A W V U W1 V1 U1 D B 7144_00 70CMC10321 Rev A E I H M L B A G G F F W V U C...

Страница 48: ...list Figure 28 70CMC10330 Rev A Figure 29 70CMC10331 Rev A E H A G F D B C 7146_00 70CMC10330 Rev A E A D B N C V X W P PE PE PE U2 U2 U2 U2 U2 U1 V2 V2 V2 V2 V2 V1 W2 7147_00 W2 W2 W2 W2 W1 U1 V1 W1...

Страница 49: ...drive Figure 30 represents a dU dt filter with drive and main switch in enclosure The main dimensions of the drive are 2200 x 600 x 600 mm HxWxD This representation includes all dU dt filters up to 60...

Страница 50: ...ses The main dimensions of the drive are 2000 x 400 x 600 mm HxWxD In IUS_12_DUT CTRL is shown 2 x dU dt filter up to 600 A each in a single enclosure with control plate control units control auxiliar...

Страница 51: ...ure 32 represents a dU dt filter with drives in enclosure The main dimensions of the drive are 2200 x 800 x 600 mm HxWxD This representation includes all dU dt filters up to 1500 A with or without dri...

Страница 52: ...in a single enclosure The main dimensions of the drive are 2200 x 400 x 600 mm HxWxD This representation includes two dU dt filters up to 600 A in single enclosure Figure 33 Two dU dt filters in singl...

Страница 53: ...34 represents a dU dt filter with drive and main switch in enclosure The main dimensions of the drive are 2000 x 400 x 600 mm HxWxD This representation includes all dU dt filters up to 2x80 A or 1x210...

Страница 54: ...tact us contacts list Figure 35 represents a dU dt filter up to 1500 A in a single enclosure with control plate control units control auxiliaries and other accessories The main dimensions of the drive...

Страница 55: ...750 pf m The values should be scaled in accordance with the actual cable capacitance In case of multiple cables the capacitance is the sum of the cable capacitances Figure 36 Safe operating area for...

Страница 56: ...should be scaled in accordance with the actual cable capacitance In case of multiple cables the capacitance is the sum of the cable capacitances Figure 37 Safe operating area for DUT 0420 6 0 S 16 Swi...

Страница 57: ...should be scaled in accordance with the actual cable capacitance In case of multiple cables the capacitance is the sum of the cable capacitances Figure 38 Safe operating area for DUT 0590 6 0 S 16 690...

Страница 58: ...should be scaled in accordance with the actual cable capacitance In case of multiple cables the capacitance is the sum of the cable capacitances Figure 39 Safe operating area for DUT 0820 6 0 S 16 690...

Страница 59: ...should be scaled in accordance with the actual cable capacitance In case of multiple cables the capacitance is the sum of the cable capacitances Figure 40 Safe operating area for DUT 1250 6 0 S and DU...

Страница 60: ...us contacts list 3 4 Output current for frequency operation P type dU dt filters Figure 41 P type dU dt filters output current derating as a function of output frequency 60 80 100 120 140 0 10 20 30 4...

Страница 61: ...ntacts https www danfoss com en contact us contacts list S type dU dt filters Figure 42 S type dU dt filters output current derating as a function of output frequency 0 20 40 60 60 80 80 70 100 100 90...

Страница 62: ...grams Local contacts https www danfoss com en contact us contacts list Sine filters Figure 43 Sine filters output current derating as a function of output frequency 60 80 70 110 100 90 80 70 60 50 40...

Страница 63: ...Document ID DPD01805C Rev C Vacon Ltd Member of the Danfoss Group Runsorintie 7 65380 Vaasa Finland www danfoss com...

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