topic Re: VFD for 3-phase induction motor in Kinetis Motor Suite

VFD for 3-phase induction motor

NEERAJ_GUPTA_1982 — Tue, 13 May 2025 12:53:07 GMT

i need to design the VFD for given 3 phase AC induction motor . i m considering below given reference design:

https://www.nxp.com/design/design-center/development-boards-and-designs/kv-series-3-phase-ac-induction-motor-control

Kindly! suggest me how to implement the changes in hardware & firmware which shall suit the characteristics of this motor.

NOTE: This motor should be able to work under constant & variable load both. Please! guide how to implement functional safety in firmware & hardware to prevent electrical shock, sparking, injury & permanent damage to this motor. Also This design should be able to drive similar motor upto 1 horsepower.

3 - phase AC induction Motor Specifications:

Brand: Siemens
Type: 3 Phase Induction Motor (EFF2)
Model Number: 1LA0 073-4YA8
Standard Compliance: IEC 60034-1, IS: 325, IS: 12615
Efficiency: 66.0%
IP Rating: IP55 (dust protected, water jet resistant)
Duty Type: S1 (Continuous duty)
Insulation Class: F
Frame Size: 71
Weight: 9.0 kg
Motor No.: SDF/8887 2075604
Ambient Temperature Rating: 50°C
Power Supply Frequency: 50 Hz ±5%
Rated Voltage: 415 V (Y configuration) ±10%
Power Output: 0.37 kW
Current: 1.05 A
Speed: 1380 RPM
Power Factor: 0.74
Country of Manufacture: Made in India
Series: CHAMPION

Re: VFD for 3-phase induction motor

Celeste_Liu — Fri, 16 May 2025 11:00:22 GMT

Hello @NEERAJ_GUPTA_1982 ,

Thanks for your post. You can refer to some materials provided on our official website, such as AN, user guides, etc.

Hope it can help you.

BRs,

Celeste

Re: VFD for 3-phase induction motor

NEERAJ_GUPTA_1982 — Thu, 22 May 2025 04:38:09 GMT

Dear @Celeste_Liu , i need to check & analyse these documents as given by you. Only then i can finalize the design.

Re: VFD for 3-phase induction motor

Celeste_Liu — Thu, 22 May 2025 06:09:49 GMT

Hello @NEERAJ_GUPTA_1982 ,

Thanks for your reply. You can first check the reference materials we provided. If this still does not solve the problem, please let me know. I can help escalate the issue to the internal team. However, according to our policy, please provide the following information:

1. Company name

2. End Application Name

3. Project Annual Volume

Thanks for your understanding in advance.

BRs,

Celeste

Re: VFD for 3-phase induction motor

NEERAJ_GUPTA_1982 — Fri, 23 May 2025 06:23:13 GMT

Thanks for your reply. i have spent large portion of my career to resolve the compatibility between embedded hardware & firmware. I have referred to application notes & user guides etc. i have come to conclusion that i need to consult the end user about finalizing the motor specifications. Reason is ,i think VFD design would become much simpler if end user chooses with dual voltage compatibility (230V delta / 415V star) before design work can be started & this can be accepted as solution.

With regards,

NEERAJ GUPTA

Re: VFD for 3-phase induction motor

Celeste_Liu — Fri, 23 May 2025 06:35:16 GMT

Thanks very much for sharing. This will also be of reference value to others.

The NXP support team appreciates your collaboration to help others.

BRs,

Celeste