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Motor Solo Run Test Duration

05/07/2014 8:18 PM

Can anybody please tell me which IEC / IEEE / NEMA / BS / any other standard specifies the duration for motor solo run test?

I am looking for 0.37kw to 250kW 400V / 690V motors.

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Guru

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#1

Re: Motor Solo Run Test duration

05/07/2014 8:35 PM

Where are you located?

Could be NEMA DIN or JIS.

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Guru
Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

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#2

Re: Motor Solo Run Test Duration

05/07/2014 10:26 PM

I have never heard of such a test. What is its supposed purpose?

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Guru

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#3
In reply to #2

Re: Motor Solo Run Test Duration

05/07/2014 11:31 PM

Baba Ji knows..................................................

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#4
In reply to #2

Re: Motor Solo Run Test Duration

05/08/2014 12:12 AM

Call it an uncoupled test, the motor by itself (solo) with nothing on the output shaft(s).

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#5
In reply to #4

Re: Motor Solo Run Test Duration

05/08/2014 12:23 AM

Easily understood in advance, but how much purpose? Of course, one can test controls, notably oil failure switches, but would there be a meaningful duration requirement?

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Associate

Join Date: Jan 2010
Location: Singapore
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#6
In reply to #5

Re: Motor Solo Run Test Duration

05/09/2014 3:48 AM

When we install new motor-pump assembly, before we hand-over motor to mechanical guys for coupling to the pump, we do solo run test. We monitor motor temperature, bearing temperature, vibrations etc. Check for any leakage / noise / confirm D.O.R. This confirms that motor is alright before coupling to mechanical side.

This duration normally shall be long enough such that no further increase in bearing temperature observed. Normally 2hrs. to 4hrs.

But I don't know which standard specifies duration in hours.

If anyone knows please share.

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Participant

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#7
In reply to #6

Re: Motor Solo Run Test Duration

01/10/2016 9:28 AM

I performed SOLO Run Test many times. It was a 4 hour run test as per menufecturer instructions, however for a wide range of motors I used 4 hour test.

and for those who dont know about solo run test, it is a condition when motor is subjected to run without any load, even connecting to its own rotor.

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