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Anti-condensation heater connections

Do not run the electric machine when an anti-condensation heater is in use.

Water condensing inside the electric machine enclosure can result in failure or corrosion of the electric
machine. This often happens in cooler temperatures or higher humidity areas typically in marine
environment, when the machine is not running.

The electric machine can be equipped with anti-condensation heater to avoid condensation issues. The
anti-condensation heater (+HEAT1) or heaters (+HEAT2) are factory assembled. The installed heater may
not be used when the electric machine mains are switched on or when the electric machine is running.

The installed anti-condensation heater must be supplied with 230 Vac power. The heater connector used
is HUMMEL Twilock connector, illustrated in Figure below.

Connection of the heater element

1

L

2

N

3

PE

If the electric machine has an anti-condensation heater and failure is suspected, contact Danfoss
representative.

User Guide

EM-PMI375

Installation

 

56 | 

©

 Danfoss | November 2021

BC265856307805en-000202

Содержание EM-PMI375

Страница 1: ...User Guide Motor Generator EM PMI375 www danfoss com...

Страница 2: ...Revision history Table of revisions Date Changed Rev November 2021 Updated user guide 0202 User Guide EM PMI375 2 Danfoss November 2021 BC265856307805en 000202...

Страница 3: ...erter 26 Mounting structure 27 Supporting structure requirements 27 Shaft alignment and load 28 Transportation and storage Transportation 31 Receiving and unpacking 31 Lifting 31 Storage 33 Extended s...

Страница 4: ...nd lubrication 62 Cooling system maintenance 66 Dismounting Troubleshooting Aftersales Service policy 69 Service parts 69 Disposal Storage installation and maintenance checklists User Guide EM PMI375...

Страница 5: ...00 XXXX XX EM PMI375 T800 XXXX XX EM PMI375 T1100 XXXX XX The naming codes of the electric machine Part of the name Meaning EM Electric Machine PMIXXX or PMEXXX Permanent Magnet Internal and a number...

Страница 6: ...ated bearing in N end BIA Insulated bearing in both ends Insulated bearing in both ends Shaft grounding None SG1 D end shaft grounding In built grounding ring Protection class Standard protection clas...

Страница 7: ...user guide for details Bearing insulation Non insulated bearings Non insulated bearings BIN Insulated bearing in N end Insulated bearing in N end BIA Insulated bearing in both ends Insulated bearing...

Страница 8: ...ip Connection box with 2x M25 cable glands reserve 2x plugged M16 threads available and terminal block for LV connections N end attachment Flange SAE 4 flywheel housing NE2 Male shaft Flange DIN5480 W...

Страница 9: ...one 3 phase system with one M25 cable gland per phase DUAL Two galvanically isolated 3 phase systems Two connection boxes each containing one 3 phase system with one M25 cable gland per phase TRI Thr...

Страница 10: ...Redundant temperature surveillance 12 x PT100 two wire in windings Not available with LVB1 option Bearing temperature sensor None BTMP1 PT100 in bearings Plug in connector Anti condensation heaters N...

Страница 11: ...pecially those set out in the product installation and maintenance as well as the applicable standards and regulations in force in each country Defects arising from the improper or negligent use opera...

Страница 12: ...ty with non periodic load and speed variations Responsibility of the manufacturer Danfoss is responsible for the safety reliability and performance of the electric machine only if Handling mounting in...

Страница 13: ...dous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury CAUTION may...

Страница 14: ...t damage to the eye could be caused if bearing grease melted nitrile rubber radial lip seal glycol or other fluids splash Use hearing protective equipment when you work on the electric machine Hearing...

Страница 15: ...erated or repaired If necessary perform a special electromagnetic compatibility EMC test on the installation EMC stands for Electromagnetic compatibility It is the ability of electric equipment to ope...

Страница 16: ...tor and generator for electrical or hybrid electrical mobile work machines or buses The electric machines feature Synchronous Reluctance assisted Permanent Magnet SRPM motor technology having several...

Страница 17: ...EM PMI375 T500 EM PMI375 T800 User Guide EM PMI375 Product overview Danfoss November 2021 BC265856307805en 000202 17...

Страница 18: ...entioned electric power inverter The electric machine is solely intended for professional use and may be operated only by trained professionals The maintenance of the electric machine may be done only...

Страница 19: ...that cannot withstand the maximum currents of the electric machine Used technology The electric machine is a Synchronous Reluctance assisted Permanent Magnet SRPM machine This technology has several b...

Страница 20: ...col mixture For more information see Chapter Cooling connections A low voltage measurement signal connector is attached to the electric machines Different temperature and resolver signals can be read...

Страница 21: ...lation plug Electrical interfaces Power connections through the connection box Measurement connections Anti condensation heater s connector HEAT1 Power grounding connection Low voltage measurement sig...

Страница 22: ...on the machine frame The rating plate contains machine rating and identification The rating values in the Figure below are not correct for this machine See the rating plate on the machine and data she...

Страница 23: ...Temp class Temperature rating class of individual insulation materials of the insulation according to IEC60034 1 Bear D end Bearing type types in the D end of the electric machine Bear N end Bearing...

Страница 24: ...ss otherwise noted 8 8 10 9 12 9 Thread Nm Nm Nm M5 7 10 11 M6 11 17 19 M8 27 40 47 M10 54 79 93 M12 93 137 160 M14 148 218 255 M16 230 338 395 User Guide EM PMI375 Product overview 24 Danfoss Novembe...

Страница 25: ...duct data sheet Rated values can be found from the electric machine rating plate The electric machine has at least one PT100 temperature sensor in the windings The amount of the sensors depend on the...

Страница 26: ...ine use If the electric machine is driven with an inverter from a supplier other than Danfoss Editron the electric machine performance may differ from rated values The optimum performance of the elect...

Страница 27: ...t vibrations and mechanical failures Necessary actions should be taken to avoid corrosion on the mating housing arrangement The supporting structure for the electric machine must be such that the elec...

Страница 28: ...aft failures Flexible coupling does not compensate for excessive misalignment The type of the electric machine shaft is W50x2x24x8f Recommended female connection counterpart is of type N50x2x24x9H The...

Страница 29: ...0 1000 0 06 0 10 1000 2000 0 05 0 08 2000 3000 0 04 0 07 3000 4000 0 03 0 06 4000 6000 0 03 0 05 The maximum external force directed to the shaft axially and radially may not exceed machine specific v...

Страница 30: ...External shaft forces of the electric machine User Guide EM PMI375 Design principles 30 Danfoss November 2021 BC265856307805en 000202...

Страница 31: ...on supports of the electric machine Check upon arrival and unpacking The electric machine and the package must be inspected immediately upon arrival Make sure that the rating plate data in the cover l...

Страница 32: ...ifting See the electric machine rating plate for weight information Lift the electric machine using the correct lifting lugs eyes only Do not go under a lifted load Lifting slings cannot touch the ele...

Страница 33: ...aded length Storage Do not touch the electrical terminals when the shaft is rotated The electrical terminals have dangerous voltage during rotation Keep the electric machine on a correct base Support...

Страница 34: ...ner Do not damage the shaft in any case Extended storage Electric machines equipped with relubricable bearings apply grease before and after long term storage It is recommended to inspect the electric...

Страница 35: ...t pacemaker metal implants or hearing aids must consult a doctor before they enter the following areas Areas in which electric equipment and parts are operated Areas in which electric equipment with p...

Страница 36: ...esistance test Measure the insulation resistance of the electric machine before and after the installation of the electric machine Because of the structure of the electric machine it is possible that...

Страница 37: ...mounting limitations of the electric machine Allowed deviations from the horizontal mounting limitations Line type Meaning Allowed deviations from the horizontal mounting limitations continuous opera...

Страница 38: ...m its D end flange SAE3 transmission housing flange SAE3 flywheel housing is required as a mating flange 3 Align the electric machine with the mating housing alignment See Chapter Shaft alignment and...

Страница 39: ...d bolt bores for mounting the electric machine N end flange SAE 4 flywheel housing with 12x30 xM10x1 5 bores Depth of the thread is 19 mm Minimum bolt thread engagement of 15 mm is required 3 Bores fo...

Страница 40: ...m bolt thread engagement of 16 mm is required 2 Bores for the lifting eyes N end 3 Shaft of the electric machine spline structure of the shaft DIN5480 W50x2x24x8f 4 D end flange SAE3 Use mounting bolt...

Страница 41: ...rts and seals to connect the electric machine to the water circuit Check for possible leaks after the piping and joints have been connected It is recommended to use coolant connector equipped with o r...

Страница 42: ...not place any excess weight on the connection box lid s The high voltage cables of the electric machine are connected to the connection box es of the electric machine The Figure below shows the compon...

Страница 43: ...urrent supplied by an inverter or inverters The electric machine is not suitable for direct online use The amount of inverters depends on the electric machine and converter current ratings See also th...

Страница 44: ...from the inverters are shown in the Figure below Connection diagram for DUAL option For an electric machine with option TRI three galvanically isolated three phase systems the electrical connection pr...

Страница 45: ...catalog available from http www pflitsch de Use correct type of gland for different cable diameters These are shown in the Table below Cable gland alternatives Cable diameter Cable gland 35 mm2 50 mm...

Страница 46: ...pe 1181 or similar The maximum distance between the copper tape or the shield braid of the cable and the cable lug or the conductor which ever is closer is 10 mm Do not remove the cable sheath complet...

Страница 47: ...reen Cut the braid screen 5 Cut a piece of length D of the inner sheath shown below in the Figure Cutting the inner sheath The length D must equal to the length of the cable lug body Cutting the inner...

Страница 48: ...g hole in the connection box and connect the cable lug to the connection point Use spring washer between the cable lug and the connection screw or nut Example of the connection is shown in Figure belo...

Страница 49: ...is correct that is the corresponding phases between the inverter and the machine are connected U V W correspond to the L1 L2 L3 phases 13 Close the connection box Tighten the connection box cover scre...

Страница 50: ...ric machine different options add sensors and some electric machines do not have all the sensors For more information about the options refer to Chapter Product naming convention on page 5 Recommended...

Страница 51: ...emperature 4 PT100 N windings option TEMP4 29 Temperature 5 Temperature 5 PT100 P windings option TEMP4 44 Temperature 5 PT100 N windings option TEMP4 43 Temperature 6 Temperature 6 PT100 P windings o...

Страница 52: ...option TEMP5 39 Temperature 11 PT100 N windings option TEMP5 38 Temperature 12 Temperature 12 PT100 P windings option TEMP5 25 Temperature 12 PT100 N windings option TEMP5 12 Resolver COS_N Resolver R...

Страница 53: ...Terminal block 2 Grounding connections M4 3 M25 cable glands Pin configuration of LV connections LVB1 option PIN Description 1 Temperature 1 PT100 P windings 2 Temperature 1 PT100 N windings 3 Temper...

Страница 54: ...21 Resolver RES_SIN_P in built non contacting 22 Resolver EXCN in built non contacting 23 Resolver EXCP in built non contacting 24 Temperature PT100 P bearings N end BTMP1 option 25 Temperature PT100...

Страница 55: ...use the machine enclosure grounding point for the measurement 3 Measure the resistance between the two cable shields or between the cable shield and the enclosure grounding point 4 Change the measure...

Страница 56: ...o avoid condensation issues The anti condensation heater HEAT1 or heaters HEAT2 are factory assembled The installed heater may not be used when the electric machine mains are switched on or when the e...

Страница 57: ...of the electric machine might be hot Do not touch the electric machine during operation Entanglement hazard Do not touch the electric machine during operation Use the anti condensation heater if fitt...

Страница 58: ...tes correctly and has a designed lifetime If you notice any deviations from the normal operation for example elevated temperatures noise or vibration stop the electric machine Find the reason for the...

Страница 59: ...ilure can be caused by dregs sediment accumulating to the cooling system tubes Try opening the possible blockage by changing the coolant flow direction See also Chapter Cooling system maintenance If t...

Страница 60: ...ction 4 Remount the low voltage connector to its place When reading the temperature resistance values from the additional sensor add 15 C to the measured value This gives more correct estimation of th...

Страница 61: ...the connection box is open Voltage may be connected to the anti condensation heater Use correct personal protective equipment when you are near the electric machine Read the instructions in the user g...

Страница 62: ...c shock if the electric machine is cleaned against instructions allowing water to go in to the electric machine Keep the electric machine clean For cleaning use non abrasive and non corrosive cleaning...

Страница 63: ...he lifetime and means the time period at the end of which 90 of the bearings are still reliably working Grease lubricated bearings BHS option need regular greasing This is due to the limited lubricant...

Страница 64: ...f expressing the lifetime and it means the time period at the end of which 90 of the bearings are still reliably lubricated and working The information of bearing lifetime and bearing grease lifetime...

Страница 65: ...interval in operation is six months The amount of grease per relubrication is 20 g The relubrication interval depends on the used rotation speed and bearing temperature and is presented in the Figure...

Страница 66: ...one hour to let the old grease exit 6 Install the plugs on the grease nipples and on the grease escape holes Cooling system maintenance The electric machine cooling system requires certain regular ma...

Страница 67: ...g for more information refer to Chapter Lifting on page 31 Support the electric machine with lifting slings when dismounting 2 Loosen the mounting bolts For more information refer to Chapter Mounting...

Страница 68: ...tions do not cover all details or variations in the equipment nor provide information for every possible condition to be met in connection with installation operation or maintenance For more informati...

Страница 69: ...rts are listed in this Section Quantity describes the number of components in a single electric machine Maintenance procedures not described in this user guide require special tools and instructions C...

Страница 70: ...al O ring 99 1 x 2 4 NBR70 1 Bearing deep groove ball non insulated Greased for life SKF 6211 2RS1 C3 WT 1 Nut lock KM11 1 Washer locking bearing nut MB11 1 Seal O ring 99 1 x 2 4 NBR70 1 Bearing deep...

Страница 71: ...1 Washer locking bearing nut MB11 1 Seal O ring 99 1 x 2 4 NBR70 1 Bearing deep groove ball non insulated Greased for life SKF 6211 2RS1 C3 WT 2 Seal radial lip D end also N end in NE2 50 x 65 x 8 FK...

Страница 72: ...nsulated Grease lubricated BHS 6211 C3 1 Seal O ring 99 1 x 2 4 NBR70 1 Seal radial lip N end BHS option 72 x 72 x 8 TRELLEBORG TRAB00520 4V012 2 Seal radial lip D end also N end in NE2 50 x 65 x 8 FK...

Страница 73: ...so N end in NE2 50 x 65 x 8 FKM TRELLEBORG TREA00500 VCBVR 1 Seal O ring D end bearing shield 158 34 x 3 53 NBR70 1 Seal gasket N end cover plate 1 Seal O ring N end bearing shield BHS option 99 1 x 2...

Страница 74: ...number EM PMI375 T200 T500 T800 T1100 CONNECTION BOX COVER KIT 11279089 1 Connection box cover plate includes extruded sealant 12 Bolt socket head M6 x 16 ISO 7380 A4 70 3 Nut for cable attachment M8...

Страница 75: ...d kit Quantity pcs Part Type Order number EM PMI375 CABLE GLAND KIT 11279473 3 Cable gland power connections M25 x 1 5 BG225MSTRI PFLITSCH User Guide EM PMI375 Aftersales Danfoss November 2021 BC26585...

Страница 76: ...Dispose of the electric machine and any of its parts by appropriate means in accordance with local laws and regulations User Guide EM PMI375 Disposal 76 Danfoss November 2021 BC265856307805en 000202...

Страница 77: ...conditions as specified see data sheet Mechanical installation Supporting structure as required Shaft alignment as specified see chapter Shaft alignment and load D end attachment bolt tightening torq...

Страница 78: ...needed for the normal installation procedures Sealing of the screws may break Electric machine weekly maintenance checklist Date Electric machine and customer information Customer Electric machine ty...

Страница 79: ...edure failed Electric machine monthly maintenance checklist N A PASS FAIL General construction Noise or vibration during operation in general Cleanliness of the enclosure and connected parts Electrica...

Страница 80: ...ly maintenance checklist Acceptance N A PASS FAIL General construction Noise or vibration during operation in general Mounting bolt tightness D end attachment bolt tightening torque 40 Nm N end attach...

Страница 81: ...lectric machine enclosure checked Low voltage cable shield grounding resistances checked Connection to grounding points checked Notes Do not try to tighten bolts or screws that are not discussed in th...

Страница 82: ...uired See specifications for storage in this User Guide or in the Data Sheet Fill in the date of each inspection to the Table below Storage checklist Procedure Date Date Date Date Date Storage base as...

Страница 83: ...foss Power Solutions US Company 2800 East 13th Street Ames IA 50010 USA Phone 1 515 239 6000 Danfoss Power Solutions Trading Shanghai Co Ltd Building 22 No 1000 Jin Hai Rd Jin Qiao Pudong New District...

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