In the manual it mentions under File E Drive Memory Group item 202. The biggest issue will likely come into play if the load is a centrifugal pump.
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But you can get full torque at 50 Hz output which will take place at 380V output.
. Your motor is designed around 380V 50Hz and 3805076VHz. This parameter is normally used when downloading. If its marginal then you may have a problem.
Answer 1 of 6. If the actual mechanical load is less than the nameplate then youre probably ok. Note also that the supply frequency dictates the motor rpm - 1500rpm for 50Hz assuming a 4 pole motor.
A 380-volt motor can be operated in the range of 342 -418 Volts. Then if we reduce that by the above square factor you. This means that you cannot get full 460V output power to this motor when in China.
The motor would be able to produce rated torque at both frequencies only apply if the VHz ratio is constant meaning that at 50 Hz the supply voltage would need to be 380V and at 60 Hz the supply voltage would need to be 460V. This also results in 20 less power. This is because the voltage curve from 0V x 0Hz is much the same power line through 400 x 50Hz on its way to 460V x 60Hz so the motor is still fluxed correctly.
Basically running the electric machine slower usually means it will be demanding less power. As countryman said you motor will run faster no matter what but you dont necessarily need to buy a. Motors for use in the US are designed around our utility voltage of 480V 60Hz so 4606076VHz.
Dan with 380 Vac output from the VFD and the motor looking for 460 Vac you will be able to supply the motor with the correct VHz ratio up to about 80 of its normal speed range 380460 0826. Running a 380V 50Hz motor 460V 60HzLink to notes. Generally the induction motor is designed to operate with - 10 supply variation.
In other words it should run fine up to 80 speed but above that the VHz ratio will start to decrease because the VFD cant put out any. You can accept that as it is or you can allow the VFD to give the motor 60Hz. Often the European motors at 1hp size are universal for 50Hz or 60Hz power supply as long as you have 400V x 50Hz and 460V x 60Hz.
The RPM change is proportional to the Hz change. In the case you have mentioned if you compare 48060 38050 and 38060 you get numbers like 8 73 63. In both cases the VHz ratio is 76 VHz.
Motor torque varies by the square of the applied voltage at a fixed frequency so your output torque will be 82 x 82 or 67 of the normal available torque. However if the design specifications of the motor permits to run it at a higher voltage it can be operated. So assuming it is a 4 pole 1800PRM motor and HP tq x RPM5250 then design torque at 460V 5250 x 320 1800 93333 ft.
At 60Hz power source it will usually be capable of. The Australian 3-phase voltage ranges from 415 - 480V 50Hz. Voltage ClassConfigures the drive current rating and associates it with the selected voltagefor example 400V or 480V.
Here in Africa we run on 380V 50Hz. 60Hz motor will run 20 slower on 50Hz power supply. The problem you will run into here is that your line voltage is lower.
Thats good as the motor also decrease 20 of its power and the cooling fan is slow down too.
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