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– the single speed drive

VLT® Soft Starter

Pocket Guide

www.vlt-drives.danfoss.com

Содержание vlt soft starter mcd 500

Страница 1: ...the single speed drive VLT Soft Starter Pocket Guide www vlt drives danfoss com...

Страница 2: ......

Страница 3: ...ng 17 Bypass Contactor 18 Cabling 19 Extreme Conditions 21 Flying Loads 22 Harmonics 22 IP Ratings 23 NEMA Ratings 24 Inside delta Connection 25 Key Benefits 26 Line Contactor 27 Minimum Start Current...

Страница 4: ...Options General Notes 45 MCD 500 with MCD Remote Operator Option 46 MCD 500 Modbus Option 48 MCD 500 DeviceNet Option 49 MCD 500 PROFIBUS Option 50 MCD 500 USB Option 51 MCD 200 with MCD Remote Opera...

Страница 5: ...he associated motor For applications with extreme or unusual conditions consult the relevant Design Guide and or your supplier For example High altitude installation 1000 m High ambient temperatures 4...

Страница 6: ...axial fan Bottle Washer Centrifuge Chipper Compressor centrifugal rotary Compressor reciprocating unloaded Compressor screw unloaded Conveyor loaded Conveyor unloaded Crusher cone Crusher jaw Crusher...

Страница 7: ...Pelletiser Planer Press Pump bore Pump centrifugal Pump positive displacement Pump slurry Pump submersible Pump vacuum Re pulper Rotary table Sander Saw band Saw circular Shredder Separator liquids S...

Страница 8: ...Heatsink temperature Metering Current Motor temperature Motor kW motor kVA Motor pf Control option Local control panel plus remote inputs outputs Dedicated output for MCD LCP 501 Network communication...

Страница 9: ...Soft start Current limit Soft stop Timed voltage ramp Motor protection Thermistor Motor overload Phase imbalance System protection Phase rotation Excess start time Bypass overload Instantaneous overl...

Страница 10: ...kW Extremely robust SCR design with heavy ratings as standard Unlimited number of starts per hour Contactor style design for easy selection installation and commis sioning MCD 100 Current 1 5 kW 11 k...

Страница 11: ...17 MCD5 0131B 131 197 106 159 90 136 MCD5 0141B 141 212 121 181 97 146 MCD5 0195B 195 293 160 241 134 201 MCD5 0215B 215 323 178 268 149 223 MCD5 0245C 255 383 201 302 176 264 MCD5 0245B 245 368 194 2...

Страница 12: ...10 200 165 MCD 202 007 18 17 Consult Danfoss for suitability MCD 202 015 34 30 MCD 202 018 42 36 MCD 202 022 48 40 MCD 202 030 60 49 MCD 202 037 74 65 MCD 202 045 85 73 MCD 202 055 100 96 MCD 202 075...

Страница 13: ...207 152 150 205 483 280 246 210 159 160 220 520 300 256 220 170 185 250 595 342 295 263 200 200 270 626 370 321 281 215 220 300 700 408 353 310 235 250 340 800 460 401 360 274 257 350 826 475 412 365...

Страница 14: ...soft starter estimates the motor s speed throughout each AAC start and stop and adjusts power to the motor to provide the selected acceleration or deceleration profile AAC is largely unaffected by cha...

Страница 15: ...the length and current level of the start and the percentage of the operating cycle that the soft starter will be running passing current AC53b Bypassed soft starters The rating depends on the number...

Страница 16: ...of providing soft stop Auto transformer starters are large and expensive especially if high start frequency is required Auto Transformer Starters How does soft start compare to auto transformer starti...

Страница 17: ...rt is built into MCD 500 soft starters and no additional equipment is required MCD 500 DC braking controls all three phases which reduces stress on the motor compared with two phase braking solutions...

Страница 18: ...e bypassed Bypass contactors should be AC1 rated for the motor FLC the bypass contactor does not carry start current Soft starters may be internally or externally bypassed MCD 200 soft starters are in...

Страница 19: ...se MCCB rating motor FLC x 1 2 2 Inside delta motor circuit cable rating motor FLC x 0 7 Installation factors including grouping ambient temperature method of installation and single or parallel cabli...

Страница 20: ...and frequency If you want to use standard products we recommend using Line Reactors Calculation The main point is to limit the di dt so the SCR s are not damage with the inrush currents due to increa...

Страница 21: ...d outside these conditions the rating must be revised according to the manufacturer s instructions Ratings for Danfoss soft starters are published in the soft starter s Operating Instructions Alternat...

Страница 22: ...s suitable for use with a flying load Harmonics Are harmonics an issue for soft starter applications Harmonics are voltages and currents that create unwanted heating in motors cables and other equipme...

Страница 23: ...gainst solid objects greater than 1 mm e g tools and small wires Limited protection against water sprayed from all directions limited ingress permitted 5 Limited protection against dust some ingress b...

Страница 24: ...wn dust rain splashing water hose directed water and ice IP 66 4X Indoor or outdoor some protection from corrosion windblown dust rain splashing water hose directed water and ice IP 66 6 Indoor or out...

Страница 25: ...nnected separately and not all soft starters can be connected using inside delta A line contactor or shunt trip MCCB must always be used to disconnect the motor and soft starter from the supply in the...

Страница 26: ...ases resulting in lower start currents and or shorter start times Start performance can be adjusted to suit the motor and load including exact control over the current limit Soft starting provides rel...

Страница 27: ...from damage due to severe overvoltage e g lightning strikes SCRs are most susceptible to overvoltage damage when in the off state The soft starter is also isolated from the supply in the event of a t...

Страница 28: ...d will stall if the start current is too low In order to start successfully the motor must produce more acceleration torque than the load requires throughout the start Successful start Unsuccessful st...

Страница 29: ...in sequence the soft starter must be capable of bearing the total start duty Installation requires additional wiring plus separate overload protection and line and bypass contactors for each motor The...

Страница 30: ...equipment failure The contactor should be AC6 rated for the motor full load current PFC capacitors can be sized using the following formula kVA Cap _ 3 x Vline x 0 8 x motor no load current 1000 Power...

Страница 31: ...imited to short periods at a fixed slow speed Reversing Can soft starters be used to reverse motor direction Jog runs the motor at reduced speed to allow alignment of the load or to assist servicing T...

Страница 32: ...p design enclosure ventilation Sealed enclosures Can soft starters be installed in sealed enclosures Soft starters are more flexible and reliable than primary resistance starters Primary resistance st...

Страница 33: ...rt current Typical selection criteria are as follows Rating Motor FLC Start Current Starter type Protection Type 350 FLC 15 seconds 350 FLC 15 seconds MCD 200 Fuse non time delayed 175 200 Fuse time d...

Страница 34: ...emiconductor fuses which must be able to carry motor start current and have a total clearing I2t less than the I2 t of the soft starter SCRs Semiconductor fuses for Type 2 circuit protection are addit...

Страница 35: ...he selected fuse has a lower total clearing I2t rating than the SCR and can carry start current for the full start duration MCD 200 200 575 V SCR I2 t A2 s Bussmann Fuse Square Body 170M Bussmann Fuse...

Страница 36: ...0000 170M2621 170M2621 170M2621 MCD5 0195B 320000 170M2621 170M2621 170M2621 MCD5 0215B 320000 170M2621 170M2621 170M2621 MCD5 0245B 320000 170M2621 170M2621 170M2621 MCD5 0331B 202000 170M5011 170M50...

Страница 37: ...MM 450FMM MCD5 0195B 320000 450FMM 450FMM 450FMM MCD5 0215B 320000 450FMM 450FMM 450FMM MCD5 0245B 320000 450FMM 450FMM 450FMM MCD5 0331B 202000 315FM MCD5 0396B 320000 400FMM MCD5 0469B 320000 450FMM...

Страница 38: ...nsidering a soft starter for slip ring applications a trial should be conducted to verify the performance To develop starting torque some resistance must remain in the rotor circuit during motor start...

Страница 39: ...e reversing contactor connected on its input side to soft start the motor in the reverse direction This applies braking torque to the load Motor speed detection is required to shut down the braking at...

Страница 40: ...d load characteristics In addition the open transition between star and delta connection causes damaging torque and current transients Star delta starters are not capable of providing soft stop Howeve...

Страница 41: ...lace of the star delta starter If the soft starter does not support inside delta connection connect the delta connection to the output side of the soft starter MCD 500 soft starters include built in s...

Страница 42: ...r losses separately This gives more precise modelling and provides greater protection for the motor Compared with a motor thermal model thermal overload relays are less precise They do not account for...

Страница 43: ...ons e g 4 pole and 8 pole providing two different speeds The speed is selected using external contactors AC3 rated Dahlander motors are often used for two speed compressor or fan applications The moto...

Страница 44: ...direct on line starter 2 Soft starters which control two phases can reduce start current as well as eliminating torque transients and are suitable for normal and heavy duty loads but not severe loads...

Страница 45: ...aded from MCD 500 soft starters on Modbus DeviceNet or PROFIBUS networks In order for the MCD 500 to accept commands from the serial network the soft starter must be in Auto On mode and links must be...

Страница 46: ...b plug and 3m cable provided with the IP 65 NEMA 12 door mount kit Control Panel VLT LCP 501 Same user interface as VLT Soft Starter MCD 500 Plug play with MCD 500 Copy paste of parameters Multiple mo...

Страница 47: ...No set up or configuration is required for the Control Panel VLT LCP 501 No external power is required Control Panel VLT LCP 501 can be used to transfer parameters between multiple starters with the...

Страница 48: ...DIP switches on the module Up to 31 Modbus Modules can be used as Modbus slave devices on a single Modbus RTU network The Modbus Module is powered by the MCD 500 For more information about operating t...

Страница 49: ...as DeviceNet slaves on a single DeviceNet network The DeviceNet Module is powered via the network cable The MCD DeviceNet Module is ODVA tested and certified For more information on the MCD DeviceNet...

Страница 50: ...matically detected Up to 31 PROFIBUS Modules can be used as PROFIBUS slaves on a single PROFIBUS DP network The PROFIBUS Module requires an external 24 VDC auxiliary supply The MCD PROFIBUS Module is...

Страница 51: ...l interface when using PC based Master software such as WinMaster V4 x or MCT 10 Driver software must be installed before the USB Module can be used supplied with the module on CD ROM For more informa...

Страница 52: ...B7 B8 must be con nected to the RS485 Starter side of the second Remote Operator terminals B1 B2 B3 The first Remote Operator is ordered using Cat No 175G9004 and the second Remote Operator is ordere...

Страница 53: ...using two 8 way DIP switches on the module Up to 31 Modbus Modules can be used as Modbus slave devices on a single Modbus RTU network The Modbus Module is powered up by the MCD 200 For more informati...

Страница 54: ...ave devices on a single Modbus network The Serial Interface Module is powered via the MCD200 The Remote Operator requires an external 18 30 VAC DC auxiliary supply For more information about operating...

Страница 55: ...e used as DeviceNet slaves on a single DeviceNet network The DeviceNet Module is powered via the network cable The MCD DeviceNet Module is ODVA tested and certified For more information on the MCD Dev...

Страница 56: ...ically detected Up to 31 Profibus Modules can be used as Profibus slaves on a single Profibus DP network The Profibus Module requires and external 24 VDC auxiliary supply The MCD Profibus Module is Pr...

Страница 57: ...l interface when using PC based Master software such as WinMaster V4 x or MCT10 Driver software must be installed before the USB Module can be used supplied with the module on CD ROM For more informat...

Страница 58: ...hipper a machine which cuts large pieces of wood into chips Compressor centrifugal a machine which accelerates gas through a housing then converts the velocity energy to pressure energy Normally used...

Страница 59: ...er a machine that strips bark from logs Decanter a type of centrifuge Edger a machine that cuts large pieces of timber into usable sizes Escalator a type of conveyor which is used to move people up or...

Страница 60: ...at locked rotor current such as a full voltage start Locked rotor torque is described as a percentage of full load torque Mill ball a machine which grinds or mixes materials such as ores chemicals ce...

Страница 61: ...y increases as it progresses through the impeller passage Diffuser ring or volute cavities reduce the velocity of the fluid and convert the energy into pressure energy Pump positive displacement a pum...

Страница 62: ...ood into smaller pieces Slabber a machine consisting of several saws which cuts edged logs into smaller pieces before further processing Slicer a machine that slices materials normally using more than...

Страница 63: ...OL Direct On Line FLC Full Load Current FLT Full Load Torque HRC High Rupturing Capacity IP Ingress Protection kW Kilowatt LRC Locked Rotor Current MCCB Moulded Case Circuit Breaker PFC Power Factor C...

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