Questions tagged [vfd]
Variable frequency drive, a three-phase AC output motor controller. Questions about vacuum fluorescent displays should not receive this tag.
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Need help identifying component with 'T4 G4' markings
I need help with identifying a Yaskawa Z1000 board component (T4 G4 markings on):
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Identify board components Yaskawa Z1000 VFD
Is there any way to figure out part numbers for the two components from the picture? That's on board of Yaskawa Z1000 VFD.
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How can I bring dead lines of a dot-matrix VF display back to life? [closed]
A week ago, a VF dot-matrix display, which is part of an instrument cluster, stopped displaying several lines and only left a handful of them in live state. See the area below the speedometer:
As the ...
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Can I run a one-phase AC capacitor motor from a three-phase VFD?
I'm building an art installation and found a cheap but strong AC Motor with capacitor. So by my understanding it is a one-phase capacitor run motor. The shield with the specs is very old and hardly ...
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230V 3-Phase Power Supply for VFD and PSU Repair
I am repairing CNC electronics and need some lab equipment. I need a 3-phase, 230 V input for the power supply and VFD to debug them. Where should I look to get a supply for this? Is there something I ...
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single phase into vfd
I have a three phase in three phase out vfd which is rated for 230V. I would like to use it to power a three phase motor. The manufacturer of the drive states it will run from a single phase input, ...
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2
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Cable current rating for high frequency applications
I am looking for power cables for high-speed motors, with frequencies up to 700Hz. All the tables that I find online are referred to 50/60Hz applications. I am not able to find derating factors ...
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Need to make 380V and 415V 3-phase motors work with 480V 3-phase power supply. Will a 480V->400V autotransformer cut it?
I will have multiple 415V and 380V motors to power with a 480V/3-phase supply due to an international supply chain and tight budget. I would like to know if the solution to my issue is as simple as ...
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Is there a way to reduce harmonic current for a single phase VFD without using an active filter?
I have this smallish VFD, for a 2.2kW motor, single phase. So it's smallish as VFD but as a single phase load is quite big; this is Europe so it's 230/50Hz land.
However, it need to pass EMC testing ...
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Braking resistor getting hot due to constant DC voltage on terminals PBe and PB on ATV320 [closed]
The drive is used in hosting application and I set the hoisting per-configured macro at commissioning,
But once I power on the drive and it is at RDY state the resistor gets very hot after few minutes....
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DC braking on induction motor (as done by VFD)
I know the principle of DC braking on an induction motor; a fixed magnetic field is induced in the stator and it makes the field in the rotor align to it.
However due to the working of the induction ...
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2
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Which part on the circuit board has the software or firmware? [closed]
I am having difficulty to locate which part holds the firmware or software to make the board function properly. The board is used as a control for a 375 kW drive. I replaced the board with a new one ...
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Make a 0.5 HP, 3-phase motor work with single phase voltage with capacitor [duplicate]
I have a MGM Varvel's SM71B4 AC motor which runs on 3-phase that comes out of a Schneider Electric's VFD called Altivar ATV12H037M2. The VFD has failed and doesn't show the input voltage, so I decided ...
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Long distance cable to monoblock centrifugal pump from PV VFD [duplicate]
I want to install a three phase 10 HP monoblock centrifugal pump that is around 200 meters away from the PV solar Vfd. The solar system is installed with 16 solar panels of jinko 555 p type. I would ...
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Wiring a 3ph motor with a VFD, motor has thermostat wires (overheat protection), where should these go in the VFD wiring scheme?
Motor is 1hp, 3ph, doerr LR22132 style with thermostat protection. VFD will be single phase 120v input, 3ph 240v output.
