Danfoss EM-PMI375-T800-690V Electric Machine Data Sheet
Features
- Synchronous Reluctance assisted Permanent Magnet (SRPM) technology
- Extremely compact and robust aluminum frame structure
- Highest efficiency throughout the operation range on the market (~96%)
- Liquid-cooled with water-glycol mixture
- Low coolant flow required
- Allowed coolant temperature up to +65°C
- IP65 enclosure class to maximize reliability, IP67 available as option
- Multiple mounting possibilities
Generator Specific Features
- Standard SAE flange mounting to match the diesel engine connection
- Wide selection of speed ratings allowing the generator to be selected to customer specific applications with various voltage requirements
- Can also be used as starter motor for the ICE
Motor Specific Features
- Extended speed and torque capabilities compared to standard PM motors from Danfoss reluctance assisted permanent magnet motor technology
- Motor structure is designed to be able to produce high starting torque: EM-PMI motor can produce instantly full torque to a non-rotating shaft
- Optimized speed range to meet the most common gear ratios used in heavy mobile machinery
General
The machine is developed especially for demanding applications. It is smaller, lighter and more efficient than conventional products on the market.
Typical Applications
- Generator for diesel-electric/serial hybrid applications
- Traction/propulsion motor
- Generator/Motor for parallel hybrid applications
Specifications
General Electrical Properties
| Property | Value |
| Nominal voltage (line-to-line) | 690 VAC |
| Nominal efficiency | 96% |
| Pole pair number | 6 |
| Power supply | Inverter fed |
| Minimum inverter switching frequency | 4 kHz |
| Maximum phase-to-phase peak-to-peak voltage without du/dt | 2 kV |
| Maximum voltage rise time without du/dt | 8 kV/μs |
Basic Information
| Property | Value |
| Machine type | Synchronous reluctance assisted permanent magnet |
| Frame material | Aluminum |
| Mounting direction | Can be used in all directions, see user guide for details. Greased for life bearings required. |
| Mounting (IEC 60034-7) | IM 3009-B5 (flange horizontal), IM 3019-V1 (flange and D-end down) |
| Standard flange D-end (SAE J617) | SAE 3 transmission housing |
| Standard axle spline D-end | DIN5480 W50x2x24x8f |
| Standard flange N-end (SAE J617) | SAE 4 flywheel housing |
| Standard rotation direction | Clockwise (both directions possible) |
| Bearing type | Standard: 6211-2RS1/C3WT +BHS option: 6211/C3 (with LGHP2 grease) +BIN option: D-end: 6211-2RS1/C3WT, N-end: 6211-2RS1/HC5C3WT +BIA option: 6211-2RS1/HC5C3WT +BHS+BIN options: D-end: 6211/C3 (with LGHP2 grease), N-end: 6211/HC5C3WT (with LGHP2 grease) +BHS+BIA options: 6211/HC5C3 (with LGHP2 grease) |
| Protection class | IP65 (IP67 available as option) |
| Duty type (IEC 60034-1) | S1/S9 |
| Machine coating | Dark grey RAL7024 |
| Altitude | Up to 3000 m, see Picture 2 |
Mechanical
| Property | Value |
| Total weight | 210 kg (no options) |
| Moment of inertia | 0.63 kgm² |
| Torsional stiffness of shaft drive end | 4*10^5 Nm/rad (from middle of the D-end spline to rotor air gap) |
| Rotating mass | 70.2 kg |
Dimensions
| Property | Value |
| Length (frame) | 428 mm |
| Diameter (frame) | 450 mm |
Cooling
| Property | Value |
| Cooling liquid | Plain water with appropriate corrosive inhibitor (max. 50% corrosive inhibitor) |
| Cooling liquid corrosive inhibitor type | Ethylene glycol (Glysantin G48 recommended) |
| Cooling method (IEC 60034-6) | IC 71 W |
| Minimum cooling liquid flow | 20 l/min |
| Coolant circuit capacity | 1.9 l |
| Maximum operating pressure | 3 bar |
| Pressure loss | 0.4 bar with 20 l/min (+25°C coolant) |
| Nominal cooling liquid temperature | +65°C, +40°C with +CL option |
| Minimum cooling liquid temperature | -20°C |
| Maximum cooling liquid temperature | +65°C |
Temperature Rating
| Property | Value |
| Insulation class (IEC 60034-1) | H (+180°C) |
| Temperature rise (IEC 60034-1) | +85°C (F) |
| Maximum winding temperature | +150°C |
| Nominal ambient temperature | +65°C / +45°C with +CL option |
| Min. ambient temperature | -40°C |
Vibration & Shock Tolerance
Mechanical Vibration
| Value | 5.9 GRMS |
| Standard | ISO 16750-3:2003 Test VII - Commercial vehicle, sprung masses – Table 12 |
| Notes | Test duration 8h axis (two axes tested; radial and axial) |
| Total spectral acceleration | 5.91 GRMS |
| Test done with | EM-PMI375-T800 (with flange mounting) |
Mechanical Shock
| Value | 50 G |
| Standard | ISO 16750-3:2003 4.2.2 Test for devices on rigid points on the body and on the frame |
| Notes | -acceleration: 500 m/s²; -duration: 6 ms; -number of shocks: 10 per test direction |
| Test done with | EM-PMI375-T800 (with flange mounting) |
Connections
| Connection | Description |
| Coolant connection | 2 x G3/4 bore (see dimension drawing for details) |
| Cable direction | Standard cable direction towards D-end |
| HV cables | 3 x 70 mm² max. (SINGLE winding model) 2 x 3 x 70 mm² max. (DUAL winding model) |
| HV cable glands | Pflitsch blueglobe TRI bg 225ms tri |
| HV cable recommended type | HUBER+SUHNER Radox Elastomer S, screened, single core, automotive cable (FHLR4GC13X) |
| HV cable lug size | 35-8, 50-8, 70-8 |
| Recommended cable lug | 35 mm²: Druseidt with narrow flange 03901 50 mm²: Druseidt with narrow flange 03903 70 mm²: Druseidt with narrow flange 03906 |
| HV connection boxes | - 1 x 3 phase box (SINGLE winding model) - 2 x 3 phase box (DUAL winding model) |
| LV connector | 47 pin DEUTSCH HD34-24-47PE for resolver and temperature measurement |
| LV connector type | DEUTSCH HD34-24-47PE |
| LV connector pin type | Gold plated |
| LV mating connector type | DEUTSCH HD36-24-47SE or DEUTSCH HD36-24-47SE-059 |
| LV mating connector pin type | DEUTSCH 0462-201-1631, DEUTSCH 0462-005-2031 |
| LV connector pin configuration | Plug: DEUTSCH 0413-204-2005 (size 20) Plug: DEUTSCH 0413-003-1605 (size 16) |
| LV connections (+LVB1 option) | Connection box with 2x M25 cable glands (reserve 2x plugged M16 threads available) and terminal block for LV connections. See Table 2 |
| Anti-condensation heater (+HEAT1 option) | 65 W 230 VAC Single phase heater resistor |
| Angle/Speed sensor | Type: Externally excited SIN/COS resolver Pole pair number: 6 Input: 7 V Frequency: 10 kHz Output: 2 V +/- 0.2 V Input impedance: 110 Ohm +/- 10% Output impedance: 330 Ohm +/- 15% |
| Heater connector (+HEAT1 option) | Hummel art no. 7651 0 51 01 D (combination of housing 7651 0 00 00 0, insert 7084 9 51 101/7084 9 51 12 1, crimp pins 7010 9 42 01 1) |
| Heater mating connector | Hummel art no. 7550 6 51 02 D (combination of housing 7550 6 00 00 0, insert 7084 9 51 10 2 / 70849 51 12 2 and crimp socket 7010 9 42 00 2) |
| Heater connector pin type | Hummel 7010 9 42 01 1 |
| Heater connector pin configuration | See Table 3 |
| Bearing temp. measurement connector type | 4-pin M12 A coded male |
| Bearing temp. measurement mating type | 4-pin M12 A coded female |
| Bearing temp. measurement connector pin configuration | See Table 4 |
Product Code and Options
Use product code including all needed options for ordering. Standard options are not given with the code as they are selected by default if a non-standard option is not selected. Standard options are indicated by a star (*).
| Product code | Description |
| EM-PM1375-T800-690V-2000 | 2000 rpm unit with the standard options |
| EM-PM1375-T800-690V-2000+BIN+RES1 | 2000 rpm unit that has insulated bearing in N-end and resolver |
Table 5 Product code examples
| Variant | Code | Description | Additional information |
| High voltage connections | * | One three-phase system | One connection box containing one three-phase system with one M25 cable gland per phase, total of 3 pcs M25 cable glands |
| -DUAL | Two galvanically isolated three-phase systems | Two connection boxes each containing one three-phase system with one M25 cable gland per phase, total of 6 pcs M25 cable glands | |
| Low voltage connections | * | Low voltage connections done with connector | DEUTSCH HD34-24-47PE connector for LV connections |
| +LVB1 | Low voltage connections done with connection box and terminal strip | Connection box with 2x M25 cable glands (reserve 2x plugged M16 threads available) and terminal block for LV connections (not available with +TEMP5 option) | |
| N-end attachment | * | Flange | SAE 4 flywheel housing |
| +NE2 | Male shaft + Flange | DIN5480 W50x2x24x8f + SAE 4 flywheel housing | |
| Bearing lubrication and mounting direction | * | Greased for life | Deep groove ball bearing, non-contact seal on both sides, any mounting direction (see user guide for details) |
| +BHS | Grease lubricated | Deep groove ball bearing, open design, horizontal mounting direction (see 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 in both ends | |
| Shaft grounding | * | None | None |
| +SG1 | D-end shaft grounding | Inbuilt grounding ring | |
| Protection class | * | Standard protection class | IP65 protection class |
| +IP67 | IP67 protection class | IP67 protection class (not available with +BHS option) | |
| Cable direction | * | Cable direction fixed | Cable direction towards D-end |
| +CNE | Cable direction towards N-end | Cable direction towards N-end | |
| Rotation sensor | * | None | No resolver |
| +RES1 | Resolver | Inbuilt non-contacting resolver, 6-pole pair | |
| Side mounting | * | Side mounting | 12 x side mounting threaded holes M10x1.5. Plugged by default with M10x10, DIN 913, (ISO 4026), set screw |
| +SM1 | Side mounting | No side mounting holes available. In case side mounting holes are present, they are plugged by default. |
Table 6 Option list
| Winding temperature sensors | Code | Description | Additional information |
| * | Temperature surveillance | 3 x PT100 (two-wire) in windings | |
| +TEMP4 | Redundant temperature surveillance | 6 x PT100 (two-wire) in windings | |
| +TEMP5 | Redundant temperature surveillance | 12 x PT100 (two-wire) in windings (not available with +LVB1 option) | |
| Bearing temperature sensors | * | None | |
| +BTMP1 | PT100 in bearings | ||
| Anti-condensation heaters | * | None | |
| +HEAT1 | One anti-condensation heater | 230 VAC / 65 W (see user guide for more information) | |
| Marine classification | * | No marine classification | |
| +CL1 | ABS American Bureau of Shipping | ||
| +CL2 | BV Bureau Veritas | ||
| +CL3 | DNV | ||
| +CL4 | LR Lloyd's Register | ||
| +CL5 | RINA | ||
| +CL6 | CCS China Classification Society |
Graphs
Picture 1 Pressure loss vs coolant flow
A graph showing pressure loss in bar against volume flow in l/min. The curve starts at 0 bar at 0 l/min and rises to approximately 0.8 bar at 30 l/min.
Picture 2 Altitude derating
A graph showing altitude in meters against phase cable length in meters. The curve starts at approximately 3200m at 1m cable length and decreases to approximately 500m at 17m cable length.
Motors (temperature class F, maximum winding temperature +150°C)
| Type | Coolant temperature +65°C | Coolant temperature +40°C | Coolant temperature +40 / +65°C | ||||||||
| Cont. Torque [Nm] | Cont. Power [kW] | Nom. Current [A] | Cont. Torque [Nm] | Cont. Power [kW] | Nom. Current [A] | Nom. speed [rpm] | Peak speed [rpm] | Max. speed [rpm] | Peak Torque [Nm] | Volt/ rpm] (c | |
| EM-PMI375-T800-690V-2000 | 621 | 130 | 114 | 659 | 138 | 126 | 2000 | 2800 | 1867 | 2100 | 0.376 |
| EM-PMI375-T800-690V-2200 | 646 | 149 | 141 | 716 | 165 | 157 | 2200 | 3200 | 1444 | 2097 | 0.343 |
| EM-PMI375-T800-690V-2600 | 596 | 162 | 151 | 671 | 183 | 172 | 2600 | 3800 | 1231 | 2103 | 0.294 |
(a Peak torque achieved with one 210A inverter
(b Peak torque achieved with two 210A inverters
(c Back EMF for cold (+20°C)
The maximum allowed peak torque duration at stator winding starting temperature +90°C is 1.5 minutes. The given values indicate typical duration and are not verified. In case more accurate values are required, cyclic dimensions are needed.
