Hi,
Would any of you guys know of dust free shaft grounding for an AC motor, this is needed as we need insulated bearings on NDE and DE but as the motor will be in a clean room dust from contact brush style grounding device is not allowed. I know there are some products such as AEGIS but i have...
Hi,
I am trying to educate myself a bit on Class II, Div I motors and Ex rated motors in general for USA or NEMA land.
Can I ask a few general questions.
Is Class II, Div I similar to Zone 22.
Can Class II, Div I motors be driven by VSDs
I presume the VSD cannot be installed in the field and...
Hi
We have some old BRitish Standard Ac Motors and I’m looking for information to allow me to plan on changing them to IEC Motors. I asked locally for the drawings but they did not have anything on them. I would appreciate and drawings or information you can share with me to help with this. I’m...
Hi Eng-Tips
looking for some help on MV Motor, the nameplate gives the following information
2900Kw, 991 Rpm, 11000 V Y, 991 rpm, 50 hz .085 cos, Rotor 1375 A
This motor has been working fine for 15 + years I'm told, I have only started working in this plant.
In the last 2 years, the motor...
Hi Guys,
I am wondering what to look out for when replacing a DC Shunt wound motor. We have an application where we have a 150Hp Fincor Imo Motor 950-1700 Rpm 508ATZ Field V 150-300V Arm Volts 500. This is lifting a product from ground to roof similar to an elevator. It does not have re-gen as...
Hi,
I am wondering if you guys have any experience in replacing Fluid Couplings with a soft start. The plant is very old and for safety reasons they want to replace the fluid couplings as they had some explode and cause a lot of damage. Now I know you will say they were filled wrong but they...
Hi,
I am looking for your thoughts on replacing an old worm gearbox that is no longer readily available. I have looked up the original catalogue and it does not show me exatly the type I have but they do have similar but the information is a given in different ratings in the 2 sections. What I...
Hi,
We're looking at our motors on site, we have mainly ABB and some Brook Crompton. We are trying to identify the efficiency class of motors we have and are getting very little help from either of the manufacturers. What I need to find out is if the motor is EFF2 or EFF1.
M2QA160M4
M2AA160M4...
Hi Guys,
My buddy has asked me what a typical size genset would be used for lighting a soccer ground. This is an area I have no expertise in so I would like to put it to you. There will be 3 pitchs std size and is lower league so will need to be just good enough for players and spectators not...
Hi Guys,
I am wondering if anyone can point me in the direction of a company that offer spares such as brush holders and springs for the SIEMENS 1GG5 DC Motor. I have been on to SIEMENS and while this product is still in the catalogue my motor is over 20 years old and no information is on there...
Hi Guys,
Just wondering if you can help me understand the best way to make a comparison on the old EFF2 vs IE2. What we are tryng to do is look at some of our motors and see if they were replaced with new more efficient motors and see what the pay back would be. We have EFF2 motors some WEG but...
Hi
I was wondering if anyone could help with a digram to make a motor go forward and reverse, ie this will be on a car lift that will run up and then down.
The motor is single phase 3.7Kw 1ph 230V, 50Hz with centrifigal switch.
The block is as attached.
Very much appreciated
Hi Guys,
I am wondering if you can help me, if you want to put motors in to an application (Fire Pump) and the motor has to be UL/FM listed does this motor have to be EEXDE. The motor will be ending up in one of the African states and will be 132Kw 2pl 400V can be Nema or IEC.
Hi Guys,
Can someone help me with this, i was asked to quote for a motor to NFPA 20 and UL listed. The UL bit is no problem but the NFPA20 is not something i have come across here in euroland. Can somebody help me on this, i dont think our IEC motor will comply as a Google search lets me know...
Hi All,
I am wondering if anyone can point me to a distributor for this brand of motor in UK or anywhere in Europe. I have Googled it but cannot find it anywhere. I need to get spares for quite a few motors of this brand.
Thanks in advance
Guys
Looking for some tips on changing the white metal bearings on motors we have in service on turbo compressors which have a lot of hours on them. This is a precautionary measure as the main motor had a bearing failure a few months ago and it was decieded to change the bearings on the other...
I am looking for your opinion on the following, a SIEMENS motor driving a fan, 400Kw 4 pole 3,300V, Class F, with 3 x PT100,s in the windings.
U1 60 deg C
V1 99 deg C
W1 70 deg C
I don't yet have the currents per phase, but i am wondering why there is such a difference in temperature and do...
Centfugal pump application, the motors are 250kw 355 frame 4pl 420 amp B3 foot mounted with flex coupling. The motors are powered by VSD and are supposed to run at 48hz (according to pump co). Problem here is that 4 motors have failed. The original TECO motors were running for approx 1 year, the...
Hi,
I am in IEC motor land but need the following or an equivalent but it must be Nema:
REULAND HP25 RPM 1500 FRAME 286U
SER C94-5955B-3 TYPE Y000
PROD NO 02500-1GAN-0006
PH 3 HZ 50 VOLTS 190/380
AMPS 75/37.5
ENCL VENT STYLE AVO
INS SYS B TIME RATING CONT MAX AMB 40
This is the text i was given...
A customer of mine has had a motor failure on compressor, the original motor was a SIEMENS ODP IP23 500Kw 4pl B5 flanged Model 1LL3352-4HF31-Z 3.3Kv. Due to lack of funds the company is now considering the surplus motor market, one such supplier has offered a second hand MOTOR 1LL3352-4AA51Z...
