Hi Tiny Tim,
Ah ha - I was thinking that's all it could be but was finding it difficult to find confirmation but easy to pull my hair out.
Lets hope I can now get this kicked into touch.
Many thanks.
Regards Dumbkiwi.
Homework Statement
I have a motor with a full load output rating of 2.8 kW with an effciency off 70% and at 80% of full load runs with a Power Factor of 0.8 lagging.
A second motor has afull load output of 4.2kW with an effciency of 85% and at 80% of full load runs with a PF of 0.75...
Hi Tiny Tim,
Thanks for your reply, I think it will help but I am too tired to try and work through it just now but will post again when I have had time to look at.
Regards Dumbkiwi.
Homework Statement
I am having difficulty with a question on my Electrical course and the expressing a motor load voltage and current in polar form. The motor is single phase 2.8 KW efficiency 70% and 80% of full load runs with a power factor of 0.8 lagging. Voltage 400v.
Express the motor...