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Throughout the year, MOTOMOVA takes part in multiple conferences and events in the worlds of engineering, EVs, automotive, aerospace, and beyond. We also release news whenever new products are introduced. Be sure to check in with our news and events page from time to time.

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Customer story

Varroc Engineering

The Customer was needing testing systems that would enable the mapping of performance parameters of their EV traction motors, types: (1) Hybrid Synchronous AC and Asynchronous AC Induction motors; (2) Synchronous BLDC and PMSM; and (3) ISG motors.

In addition, the systems could also (4) test the EV Traction Motor integrated with gearbox, i.e. having two O/P’s (similar to a Transaxle); and (5) are suitable for evaluating Hub Motors.

The systems were designed for evaluating multiple types and multiple manufacturers’ motors, with ranges of up to 25 kW, of up to 80 V, and max speeds of up to 15000 rpm.

The systems included Battery Simulation, with battery cycle testing (charge/discharge), battery SOC (State Of Charge) script and SOD (State Of Discharge) script, during advanced battery simulation and simple battery simulation, drive cycle testing (real-time simulation of scooter/driver, with acceleration, brake, change of vehicle states); and Battery Testing.

All advanced requested Motors Under Test are driven by their respective controller, with different types of communication protocols (CAN, LIN, A/D, FlexRay, Speedgoat, Modbus, etc.)

About the Product:

The MOTOMOVA Regenerative Dynamometer System (MOTOMOVA RDS) enables:

Complete load performance testing: Torque, Speed, Current, Efficiency, Input Power, Output Power.

Standard electrical parameters testing: HV, Vibration, Noise, and others.

Additional testing: Cogging, Back EMF, Friction, Friction Spectrum, Ripple Torque.

Automatic temperature rise test: Thermocouple device with 4 to 16 temperature channels, Current, Voltage, Speed, Torque, Input Power, Output Power, all synchronized to each temperature measurement.

Electrical Vehicle Motor Drive Cycle Load Simulation: Real-time simulation of scooter/driver, with acceleration, brake, change of vehicle states.

Battery Simulation: Battery cycle testing (Charge/Discharge), Battery SOC (State Of Charge) script and Battery SOD (State Of Discharge) script, during advanced battery simulation and simple battery simulation; Special feature: Low voltage dip at current transient; System includes Output Filter with high capacitance; Testing at U mode: Voltage Control (CV).

Battery Testing: I+ mode: Current Control (CC+); I- mode: Current Control (CC-); P mode: Power Control (CP), CC-CV, Step for cut-off condition (ET, EV, EC, CC time, CV time, Cap%, etc.), Protection (OV & LV, OC & LC, OT).

Additional EV Tests: Performance Generating mode & Performance Motoring mode, Stall Torque, Cogging Torque, Back EMF RMS, Open Circuit Back EMF, Back EMF Constant KE, No Load Coupled & Uncoupled, Torque Ripple Measurements at Low RPM & at High RPM, Electromechanical Time Constant, Voltage and Current Harmonics, Load from Excel File, Speed Torque Scope Viewer, Deceleration Test (MOI Calculation), Servo Bandwidth (Speed Loop & Current Loop), Dynamic Testing during acceleration and deceleration, Friction vs. Speed & Friction Drag Torque, Torque Speed FFT, Performance at Variable Voltage, Inductance Test 3 Phases, Vibration; ISG Tests: Generation Characteristic; ISO Efficiency Tests: ISO Efficiency and ISO Efficiency Contour; S1 to S8 - IEC duty cycles of operation for electrical motors.

Varroc Engineering /

Customer story

Dunkermotoren-Ametek Germany

The Customer was looking for testing systems that would enable the option of fully integration and computerization of the Company’s complete production via the Company’s server and via SAP software. In addition, Dunkermotoren Ametek, Germany, looked for automatic line systems that would enable complete automatic sequence of load and safety testing, of the very large variety of types and sizes of BLDC motors manufactured by the Company.

The ideal solution for the complicated demand could be done via the MEA Inertial Dynamometer patented system. As a first step, Dunkermotoren Ametek, Germany, ordered the MEA Inertial Dynamometer System for their laboratory. After working with the system for a certain period of time, the Company decided to purchase the MEA Inertial Dynamometer for their entire BLDC end-of-line (EOL) testing in their plants.

Dunkermotoren Ametek, Germany, ordered three EOL systems from MEA, that have the capability to run full diagnostic tests, including safety, noise, insulation, full load performance, and special dynamic tests, such as ripple torque and back EMF, while overall reducing total testing time. All mentioned tests are functional for a wide range of motor types and sizes. The testing systems recognize the motor type, and run a fully automatic test sequence. Additionally, all systems are fully calibrated to the Dunkermotoren SAP systems, by replicating the system’s local DB to Dunkermotoren’s Server DB. Dunkermotoren’s company server controls all different lines, enabling full computerization of the Company productions.

About the Product:

The MOTOMOVA INERTIAL DYNAMOMETER (MEA IDS) enables:

Complete load performance testing (Torque, Speed, Current, Efficiency, Power Input, Power Output), all without loading the motor with any mechanical load.

Standard electrical parameters testing, such as HV, Vibration, Noise, etc.

Additional testing: Cogging, Back EMF, Friction, Ripple Torque.

Dunkermotoren AMETEK successfully used the MOTOMOVA EOL systems to:

Improve product quality.

Significantly reduce testing time.

Reduce the number of requested workers for the testing in the production line.

Fully achieve SAP systems collaboration.

Control company production via Server (SAP software).

Dunkermotoren-Ametek Germany /

Customer story

Leading Chinese EV & Electric Appliances Manufacturer

The Customer was needing testing systems that would enable the option to test high-speed, high-torque electric vehicle (EV) motors, in their laboratory applications. The Customer faced some unique challenges, due to their unique motor applications, such as: high power densities, high speed ranges, high torque ranges, robustness, and more.

Motomova’s solution for this special requirement is the Motomova Electric Vehicle and Traction Motor Test Bed. This product enables testing EV motors of a maximum power of 200 kW at 24,000 rpm, and a power of 100 kW at maximum speed of 36,000 rpm.

This solution covers the testing requirements, while minimizes testing time up to 40%, and also enables dynamic solutions to the Customer.

 

 

About the Product:

EV motors Four-Quadrant Operation, Regenerative Braking:

Additional EV Tests: Performance Generating mode & Performance Motoring mode, Stall Torque, Cogging Torque, Back EMF RMS, Open Circuit Back EMF, Back EMF Constant KE, No Load Coupled & Uncoupled, Torque Ripple Measurements at Low RPM & at High RPM, Electromechanical Time Constant, Voltage and Current Harmonics, Load from Excel File, Speed Torque Scope Viewer, Deceleration Test (MOI Calculation), Servo Bandwidth (Speed Loop & Current Loop), Dynamic Testing during acceleration and deceleration, Friction vs. Speed & Friction Drag Torque, Torque Speed FFT, Performance at Variable Voltage, Inductance Test 3 Phases, Vibration; ISG Tests: Generation Characteristic; ISO Efficiency Tests: ISO Efficiency and ISO Efficiency Contour; S1 to S8 - IEC duty cycles of operating for electrical motors.

Battery Simulation: Battery cycle testing (Charge/Discharge), Battery SOC (State Of Charge) script and Battery SOD (State Of Discharge) script, during advanced battery simulation and simple battery simulation; Special feature: Low voltage dip at current transient; System includes Output Filter with higher capacitance; Testing at U mode: Voltage Control (CV).

Battery Testing: I+ mode: Current Control (CC+); I- mode: Current Control (CC-); P mode: Power Control (CP), CC-CV, Step for cut-off condition (ET, EV, EC, CC time, CV time, Cap%, etc.), Protection (OV & LV, OC & LC, OT).

Electrical Vehicle Motor Drive Cycle Load Simulation: Real-time simulation of EV motor, with acceleration, brake, change of vehicle states.

Unique testing capabilities: MEA patented Inertial Dynamometer, allows the load testing without connecting the EV motor to any mechanical load.

Dynamic Data: Ripple Torque, Friction Torque, Friction Spectrum, Speed & Torque Spectrum, Back EMF, during acceleration and deceleration of the EV motor without connecting to any mechanical load.

The Customer successfully used the MOTOMOVA Electric Vehicle and Traction Motor system to:

Fully achieve testing high-torque, high-speed motors, used in their EV.

Simulate road conditions for testing the motors.

Improve product quality.

Significantly reduce testing time.

Leading Chinese EV & Electric Appliances Manufacturer /

Customer story

Emerson

Was looking for an electric compressor testing system that would be used to test the different inverters & compressors designed and manufactured at Emerson plants under dynamic and static conditions. The testing should be done to check the units in dynamic and static ways.
In addition, Emerson required a housing solution for the testing.
Testing the compressor performance can be done in two ways: statically or dynamically.
In both cases, in order to get the data of the compressor output torque, it is necessary to use one of the following two options:
Testing an open compressor, in a vertical set-up.
Building a special housing for the compressor stator and rotor, creating a “Housing Motor,” and testing the output performance of the “housing motor.”
Compressor manufacturers and driver manufacturers are both interested in the static and dynamic performances of the compressor.

About the Product:

Testing the compressor performance can be done in two ways: statically or dynamically.

Compressor manufacturers and driver manufacturers are both interested in the static and dynamic performances of the compressor.

In both cases, in order to get the data of the compressor output torque, it is necessary to use one of the following two options:

Testing an open compressor, in a vertical set-up.

Building a special housing for the compressor stator and rotor, creating a "Housing Motor," and testing the output performance of the "housing motor."

The dynamic performances include the compressor’s torque, speed, voltage, current, and power, during the acceleration of the compressor.

Fully achieve testing high-torque, high-speed motors, used in their EV.

Simulate road conditions for testing the motors.

Improve product quality.

Significantly reduce testing time.

Emerson /

Customer story

Bajaj Auto

Systems enable the mapping of performance parameters of their EV traction motors, types: (1) Hybrid Synchronous AC and Asynchronous AC Induction motors; (2) Synchronous BLDC and PMSM; and (3) ISG motors.

In addition, the systems could also (4) test the EV Traction Motor integrated with gearbox, i.e. having two O/P’s (similar to a Transaxle); and (5) are suitable for evaluating Hub Motors.

The systems were designed for evaluating multiple types and multiple manufacturers’ motors, with ranges of up to 25 kW, of up to 80 V, and max speeds of up to 15000 rpm.

The systems included Battery Simulation, with battery cycle testing (charge/discharge), battery SOC (State Of Charge) script and SOD (State Of Discharge) script, during advanced battery simulation and simple battery simulation, drive cycle testing (real-time simulation of scooter/driver, with acceleration, brake, change of vehicle states); and Battery Testing.

All advanced requested Motors Under Test are driven by their respective controller, with different types of communication protocols (CAN, LIN, A/D, FlexRay, Speedgoat, Modbus, etc.)

About the Product:

The MOTOMOVA Regenerative Dynamometer System (MOTOMOVA RDS) enables:

Complete load performance testing: Torque, Speed, Current, Efficiency, Input Power, Output Power.

Standard electrical parameters testing: HV, Vibration, Noise, and others.

Additional testing: Cogging, Back EMF, Friction, Friction Spectrum, Ripple Torque.

Automatic temperature rise test: Thermocouple device with 4 to 16 temperature channels, Current, Voltage, Speed, Torque, Input Power, Output Power, all synchronized to each temperature measurement.

Electrical Vehicle Motor Drive Cycle Load Simulation: Real-time simulation of scooter/driver, with acceleration, brake, change of vehicle states.

Battery Simulation: Battery cycle testing (Charge/Discharge), Battery SOC (State Of Charge) script and Battery SOD (State Of Discharge) script, during advanced battery simulation and simple battery simulation; Special feature: Low voltage dip at current transient; System includes Output Filter with high capacitance; Testing at U mode: Voltage Control (CV).

Battery Testing: I+ mode: Current Control (CC+); I- mode: Current Control (CC-); P mode: Power Control (CP), CC-CV, Step for cut-off condition (ET, EV, EC, CC time, CV time, Cap%, etc.), Protection (OV & LV, OC & LC, OT).

Additional EV Tests: Performance Generating mode & Performance Motoring mode, Stall Torque, Cogging Torque, Back EMF RMS, Open Circuit Back EMF, Back EMF Constant KE, No Load Coupled & Uncoupled, Torque Ripple Measurements at Low RPM & at High RPM, Electromechanical Time Constant, Voltage and Current Harmonics, Load from Excel File, Speed Torque Scope Viewer, Deceleration Test (MOI Calculation), Servo Bandwidth (Speed Loop & Current Loop), Dynamic Testing during acceleration and deceleration, Friction vs. Speed & Friction Drag Torque, Torque Speed FFT, Performance at Variable Voltage, Inductance Test 3 Phases, Vibration; ISG Tests: Generation Characteristic; ISO Efficiency Tests: ISO Efficiency and ISO Efficiency Contour; S1 to S8 - IEC duty cycles of operation for electrical motors.

Bajaj Auto /

Bajaj Auto

Customer story

IAI

Israel Aerospace Industries was looking for an electric motor testing system that would be used to test the different electric hardware applications and motors at laboratory, simulating the conditions they will have in final application.

IAI applications include: electric airplanes and drones, electric vehicles, robots, etc.

All applications include unique, lite weight motors and controllers with high torque and speed.

About the Product:

IAI’s laboratory system includes the capabilities of testing motors from 1 kW up to 140 kW, with their hardware. The system has the option for future upgrade to test motors of up to 300 kW.

Tested Control Loops (Voltage, Speed, Torque).

Complete load performance testing: Torque, Speed, Current, Efficiency, Input Power, Output Power.

Load from Excel - Load according to predefined Table or Formula.

Fan load simulation, at different static and dynamic conditions.

Battery simulation capabilities are performed with Bidirectional power supply of up to 1000 V / 1000 A.

Unique Battery testing capabilities that include SOC (State of Charge) script and SOD (State of Discharge) script, for simple and advanced batteries.

Automatic temperature rise test: Thermocouple and/or PT-100 and/or thermistor (all types) device with 4 to 16 temperature channels, Current, Voltage, Speed, Torque, Input Power, Output Power, all synchronized to each temperature measurement, and all can be tested with S1 to S8 – IEC duty cycles of operation for electrical motors.

Battery Simulation: Battery cycle testing (Charge/Discharge), Battery SOC (State Of Charge) script and Battery SOD (State Of Discharge) script, during advanced battery simulation and simple battery simulation; Special feature: Low voltage dip at current transient; System includes Output Filter with high capacitance; Testing at U mode: Voltage Control (CV).

Battery Testing: I+ mode: Current Control (CC+); I- mode: Current Control (CC-); P mode: Power Control (CP), CC-CV, Step for cut-off condition (ET, EV, EC, CC time, CV time, Cap%, etc.), Protection (OV & LV, OC & LC, OT).

Generator testing – ISG.

Standard electrical parameters testing: HV, Vibration, Noise, and others.

Additional testing: Cogging, Back EMF, Friction, Friction Spectrum, Ripple Torque.

Performance Generating mode & Performance Motoring mode that includes: Stall Torque, Cogging Torque, Back EMF RMS, Open Circuit Back EMF, Back EMF Constant KE, No Load Coupled & Uncoupled, Torque Ripple Measurements at Low RPM & at High RPM, Electromechanical Time Constant, Voltage and Current Harmonics, Load from Excel File, Speed Torque Scope Viewer, Deceleration Test (MOI Calculation), Servo Bandwidth (Speed Loop & Current Loop), Dynamic Testing during acceleration and deceleration, Friction vs. Speed & Friction Drag Torque, Torque Speed FFT, Performance at Variable Voltage, Inductance Test 3 Phases, Vibration; ISG Tests: Generation Characteristic; ISO Efficiency Tests: ISO Efficiency and ISO Efficiency Contour.

Applications where the Motor Under Test (MUT) can be BLDC, PMSM, and other unique motors. The MUT could be controlled via CAN, PWM, Analog, and other types of communication protocols.

Hardware-in-the-Loop (HiL) solutions for nose-wheel steering, iron bird & ISTR rigs.

IAI /

IAI - Israel Aerospace Industries

About MOTOMOVA

MOTOMOVA is a trusted global provider of testing solutions, instruments, and simulations for the automotive, electric vehicle (EV), aerospace, rail, micro, servo, gear, and energy sectors. Drawing on our pioneering spirit, we provide concepts, solutions, and methodologies for a greener, safer, and better world of mobility.

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