ENSTROJ - electric motor innovation

phone: 00386 82053850 
e-mail: info@emrax.com
skype: enstroj
ENSTROJ d.o.o
Pod hribom 4
SI - 1235 Radomlje
Slovenia

Controllers

We are NOT selling the controllers – they have to be bought directly from the producers.

Optional controllers for EMRAX motors:

CONTROLLERS FOR EMRAX HIGH AND MEDIUM VOLTAGE MOTORS:

CONTROLLERS FOR EMRAX LOW and HIGH VOLTAGE MOTORS:

  • EMSISO:   emDrive 400 for low voltage aplication (130Vdc, 400 A continuous, 600 A peak) New Low voltage emDrive 500 can fit the motor wit 800Apeak phase current. It is also ready for selling. And enDrive H300 for high voltage aplication with different type of position sensors.  . Controller software was adjusted for our motors. This controller can automatically weaken the magnetic field to get higher RPM even at lower battery voltages.
    More info: http://www.emsiso.com/
EMSISO eDrive 400 controller specifications
file type: PDF

 *Low voltage controllers for EMRAX Low Voltage motors must have 4 times higher output motor current  (take a look at the Technical data tables) to achieve the same Torque/power as EMRAX High Voltage type.

OTHER CONTROLLERS

  • Some years ago we used Piktronik SAC41 (or SAC50) controllers which are suitable for EMRAX High Voltage and EMRAX Medium Voltage motors. They can run motor also sensorless
  • There are no or no qualified experiences of other frequency converters (Sevcon, RMS,..). Anyway some customers have good experiences also with those controllers.

Important additional information:

  • It is difficult to find controllers with very high voltage / current that EMRAX motors require. We found a solution how to drive one motor with two controllers and enable the motor high current to operate with full performances. In this case we can make two sequences of stator wiring and electrical connectors (2x UVW) on the motor, so each controller is connected to one sequence. In this case tandem resolver / encoder is needed. Another option is that two controllers can operate with split signal from one resolver / encoder – but this is not common for the majority of controllers.
  • TWIN motor: We recommend that EMRAX TWIN is driven with 2 controllers – one controller for each motor – in this case tandem resolver must be mounted on the back side of the second motor (Figure 16; Figure 19). Anyway EMRAX TWIN can be driven by one controller - this controller must deliver very high phase current – it is hard to find such controller), also in this case the mechanical angular degree must be to totally configured in the right position on both motors and also both motors must operate under the same temperature conditions (cooling!). Separate EMRAX motors cannot be driven with one controller - each motor needs one controller.
  • EMRAX motors should be used with the controllers with sinusoidal commutation.

Starting EMRAX motor:

  • It is important to read the manuals for the EMRAX motor and for the controllers!
  • Manuals for combining EMRAX motors with Unitek controllers are published BELOW on this site. There is also a manual for connecting the LTN resolver wires and BASE URF files (NDrive software for Unitek Bamocar D3) suitable for EMRAX motors. Before rotating EMRAX motor auto tuning must be made – instruction file Parameters for Unitek BAMOCAR D3 and BAMO D3 controller for synchronization with EMRAX motor is also published below on this site.
  • Be aware of the following safety instructions BEFORE STARTING:
    - It is essential to permanently check the loads driven by the motor for damages, cracks etc. The use of damaged loads can lead to heaviest injuries.
    - The frequency converter needs to be mounted jacked up, so that a vibration free use is unconditionally guaranteed. If this is not the case, vibrations can cause contact faults and further the breakdown of devices. This may lead to damages to the electronic system or to components in its environment.
    - Before starting, the right direction of rotation has to be checked and if necessary be changed – motor connectors UVW must be set according to the controller phase positions. UVW (1, 2, and 3) connectors of the motor are parallel to UVW output phases from the controller. 
    - The drive should be if possible directly connected to the frequency controller, without any inserted connectors. If this is not possible, only use high current capable, low-impedance, the best quality connectors. Shoddy connectors lead to voltage peaks and can destroy the frequency converter. Oftentimes unplugging the connector can cause contact problems which may also lead to a destruction of the converter. We also recommend main vacuum switch between the batteries and controller and suitable DC fuse. 
    - Only use high current connector systems between the motor, converter and the battery. The connectors have to be checked before every use. If the coating is used up, the internal discs in the jacks get play or have lost their resilience, they have to be replaced. 
    - Shoddy or used up connectors are the most common reason for destructions of the drive, the controller and possible components around it. 
    - The electric connectors and cables must be connected professional and have to be isolated by a shrink hose (Figure 26 in the Manual for EMRAX motors). Mixing up the polarity of the battery or a short circuit leads to a destruction of the drive and means an acute fire hazard and danger of life!
    - The cables should be as shorter as possible. For longer cables diameter of the cable must be bigger. Power cables must be shielded and distant enough from communication cables.

Information for setting Unitek controller BAMOCAR D3 for EMRAX motor:

NDrive tn PC-Software Settings Manual for BAMO D3 and BAMOCAR D3 - from Unitek
file type: PDF, file size: 2,57 M 
 

unitek bamocar d3 bamo d3 tn Parameters for Unitek BAMOCAR D3 and BAMO D3 controller for synchronization with
EMRAX motor - from Enstroj - April 2014

file type: PDF, file size: 1,85 M 
unitek_urf_tn Base .urf file for NDrive Software of Unitek Bamocar D3 controller -
suitable for EMRAX 207 Medium Voltage

file type: RAR (please unzip .urf file-->open NDrive-->Communication Tab (upper right corner)-->
View File-->select urf. file); file size: 0,91 M 
unitek_urf_tn Base .urf file for NDrive Software of Unitek Bamocar D3 controller - 
suitable for EMRAX 207 High Voltage

file type: RAR, (please unzip .urf file-->open NDrive-->Communication Tab (upper right corner)-->
View File-->select urf. file); file size: 0,91 M 
unitek_urf_tn Base .urf file for NDrive Software of Unitek Bamocar D3 controller - 
suitable for EMRAX 228 Medium Voltage

file type: RAR, (please unzip .urf file-->open NDrive-->Communication Tab (upper right corner)-->
View File-->select urf. file); file size: 0,92 M 
unitek_urf_tn Base .urf file for NDrive Software of Unitek Bamocar D3 controller - 
suitable for EMRAX 228 High Voltage

file type: RAR, (please unzip .urf file-->open NDrive-->Communication Tab (upper right corner)-->
View File-->select urf. file); file size: 0,91 M 

!NOTE: URF files for Bamocar D3 controller are BASE files. You need to make auto-tuning prior rotating the EMRAX motor - take a look at upper file Parameters for Unitek BAMOCAR D3 and BAMO D3 controller for synchronization with EMRAX motor above on this page. Then you can also change some parameters for your application according to Manual for EMRAX Motors (Technical Data Tables!) and according to the Manual for Bamocar D3.

LTN resolver technical data and wire connection:

ltn_resolver_tech_data_wires_tn LTN resolver technical data and wire connection
file type: PDF, file size: 221 KB 




 

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