This is a test run of a Solectria UMOC440F inverter (motor controller) and a Solectria AC55 Motor. This equipment was originally built to power light trucks and vans in the late 1990's and early 2000's. You can see that there is a driveshaft yoke attached directly to the motor shaft. Solectria was later bought by Azure dynamics, and they do still support this equipment. The purpose of this test was to prove that the inverter and motor are indeed working and that I have figured out the proper interface to control them. I will be using these parts in my next electric car conversion which will be a 2004-2007 Scion Xb. The UMOC440F inverter is good for about 70KW, which is equivalent to about 95 horsepower. The motor which is matched to the inverter is also rated for about 70kw, and can output 175 foot pounds of torque from 0-3000 rpm, with a maximum speed of 8000 rpm. Peak efficiency of the motor is about 93% and it is around 90% across much of the power/rpm band. Inverter efficiency is about 98%. Power supply for the test was simple 120V, 20A, 60Hz household current that was isolated, stepped up, and rectified to get about 230VDC at about 5A, which was enough to (very carefully!) spin up the motor under no load. Voltage ripple was not a major concern as there are huge capacitors on the input stage of the inverter. The inverter was hooked to a homemade test box that supplies throttle position, Fwd/Reverse, Regen on/off and other controls necessary to operate the motor and ...
Thursday, October 11, 2012
Electric car motor bench test
Electric car motor bench test Tube. Duration : 4.15 Mins.
This is a test run of a Solectria UMOC440F inverter (motor controller) and a Solectria AC55 Motor. This equipment was originally built to power light trucks and vans in the late 1990's and early 2000's. You can see that there is a driveshaft yoke attached directly to the motor shaft. Solectria was later bought by Azure dynamics, and they do still support this equipment. The purpose of this test was to prove that the inverter and motor are indeed working and that I have figured out the proper interface to control them. I will be using these parts in my next electric car conversion which will be a 2004-2007 Scion Xb. The UMOC440F inverter is good for about 70KW, which is equivalent to about 95 horsepower. The motor which is matched to the inverter is also rated for about 70kw, and can output 175 foot pounds of torque from 0-3000 rpm, with a maximum speed of 8000 rpm. Peak efficiency of the motor is about 93% and it is around 90% across much of the power/rpm band. Inverter efficiency is about 98%. Power supply for the test was simple 120V, 20A, 60Hz household current that was isolated, stepped up, and rectified to get about 230VDC at about 5A, which was enough to (very carefully!) spin up the motor under no load. Voltage ripple was not a major concern as there are huge capacitors on the input stage of the inverter. The inverter was hooked to a homemade test box that supplies throttle position, Fwd/Reverse, Regen on/off and other controls necessary to operate the motor and ...
This is a test run of a Solectria UMOC440F inverter (motor controller) and a Solectria AC55 Motor. This equipment was originally built to power light trucks and vans in the late 1990's and early 2000's. You can see that there is a driveshaft yoke attached directly to the motor shaft. Solectria was later bought by Azure dynamics, and they do still support this equipment. The purpose of this test was to prove that the inverter and motor are indeed working and that I have figured out the proper interface to control them. I will be using these parts in my next electric car conversion which will be a 2004-2007 Scion Xb. The UMOC440F inverter is good for about 70KW, which is equivalent to about 95 horsepower. The motor which is matched to the inverter is also rated for about 70kw, and can output 175 foot pounds of torque from 0-3000 rpm, with a maximum speed of 8000 rpm. Peak efficiency of the motor is about 93% and it is around 90% across much of the power/rpm band. Inverter efficiency is about 98%. Power supply for the test was simple 120V, 20A, 60Hz household current that was isolated, stepped up, and rectified to get about 230VDC at about 5A, which was enough to (very carefully!) spin up the motor under no load. Voltage ripple was not a major concern as there are huge capacitors on the input stage of the inverter. The inverter was hooked to a homemade test box that supplies throttle position, Fwd/Reverse, Regen on/off and other controls necessary to operate the motor and ...
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