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US 11,901,846 B2Granted
Motor emulator
AssigneePlecko Co., Ltd.
InventorsSeung-Ki Sul, Yong-Cheol Kwon, Yoon-Ro Lee
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Abstract
Embodiments relate to a motor simulator for an inverter under test (IUT), the motor simulator comprising: a voltage follower inverter for at least partially cancelling an output voltage of the IUT; and an output current control unit for controlling an output current of the IUT on the basis of an estimated current of a simulation target motor.
Claims9
A motor emulator for an Inverter Under Test (IUT), comprising:
- a voltage following inverter configured to cancel an output voltage of the IUT at least partially;
- and
- an output current control unit configured to control an output current of the IUT based on the output voltage of the IUT and an estimated current of an emulation target motor,
- wherein the voltage following inverter includes:
- a DC terminal voltage source;
- a first switching unit connected to the DC terminal voltage source in parallel and electrically connected to an output terminal of the IUT;
- and
- a first switching control unit configured to control switching of the first switching unit based on the output voltage of the IUT and a predetermined threshold voltage.
5 more elements
Dependencies are inferred from the claim text.