YTDVF Variable一Frequency Three一Phase Asynchronous Motor for Tower Crane Amplitude Mechanism
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Overview
the motor is a variable-frequency, three-phase asynchronous motor exclusively designed for the tower cranes and other similar amplitude mechanisms. It is applied to the
amplitude mechanisms in very harsh working conditions such as construction site or open pit quarry
Features
With introduction of spline output shat, it has good mechanical bearing capacity and excellent assembly performance;
Motor installation interface has the same size with original tower crane (POITAIN series), making it easier for switching and upgrading of old products
The motor is a variable-frequency motor featuring a wide range of speed regulation, small starting current, big starting torque and overload ability;
A thermal protection component is buried into the in stator winding and wired into the motor temperature protection control system, making motor more safer and reliable;
New brake (national utility model ZL201101881732, ZL201120188164.3) with higher safety and reliability this reduces the maintenance time and cost compact structure, small volume, lightweight as well as high reliability, so it can be braked quickly and positioned accurately. It is suitable for frequent starting and raking
- Q: i was told by ford service that this was normal after 9 years when i purchased the car i was not informed of this what can i do about it
- parts do eventually break from wear and tear.. 9 years is a long time. the motor mounts im a bit shock thou. should last longer than 50k but then again it's 9 years.
- Q: noticed this morning central ac unit the motor seized up the fan does not run. What can I do to loosen up the motor it myself. I can not afford to have someone come out and check it on fixed income.
- Loosening it won't work out. It needs to be replaced if the shaft seized.
- Q: I am in an engineering team and I am supposed to do research on an engine that is suitable to make the car we are building (Factory Five GTM Supercar) go at 150mph. It is going to be run on batteries and have the electric engine to power it. Where can I find a165KW 3 phase AC induction motor?
- This okorder /
- Q: Why should a single-phase AC motor start with a capacitor?
- Because only the formation of a rotating magnetic field, the squirrel cage rotor will rotate, only increase the starting winding, but start winding must be shifted to start capacitor winding current advance main coil current of 90 degrees, the rotating magnetic field motor to rotate (motor power will start after the resection of the starting capacitor).
- Q: Criterion of selection between a AC and a DC motor advantages and the disadvantages of them?
- Since you are asking for the criterion of selection, here it is.. AC motors have two coils: an outer coil to produce magnetic field, and an inner coil to produce counter electric field. DC motors have an outer magnet, and an inner electric field. DC motors need DC voltage supply, and since all of the household supply is AC conversion is needed (thus making DC more inefficient, although the loss is minor) AC motors give better torque than similar DC motors. Since AC motors have two ciols, the magnetic field between the two colis can be adjusted to give maximum efficiency or power (something that DC motors cannot do)
- Q: I want to run an AC motor submerged in hydraulic oil. What do I need to do?
- Verify that the pump seals and gaskets of a sumersible motor/pump assembly are rated for the fluid being pumped. You may need to order a unit with teflon vs. rubber seals for example....
- Q: I have a cheap reciprocating saw that is 120VAC, 60Hz, 4.5A. Says 0-2300 strokes per minute and has a dial speed adjust,k but slowest is still around 300SPM, I need to slow that down more for a custom project I am working on for a hobby idea. How does the speed control built in work? Any way to duplicate that inline with the AC plug? Is there a way to add an inline circuit to slow it down? If you have any ideas, please share and possibly add schematics. I do not want to have to replace the motor or open the case in any way, so an in-line device would work perfectly.
- the alteration you suggest could be dangerous or damage the saw motor. If you want to take a chance try plugging the cord into a variable speed outlet like a dimmer switch ... best to take it to a competent repair person...under 300 strokes per minutes is getting down to the hand saw level... be sure you have a gfi plug to reduce the chance of damage.
- Q: the motor was connected to three phase source but now I want to connect it to the single phase source how can I make this
- 1] If you connect the two lines of a single phase power feed to two of the leads on a 3 phase motor it will not run and will burn out. 2] Your ONLY choice is to make 3 phase. 3] You can do that two ways; one is to get a VFD
- Q: Does anyone know of any websites to do this? I have an old 110v AC motor from an old vacuum.
- You try to modified the rotor as a permanent magnet rotor connect a suitable bridge diodes in out put winding get the DC..Best of luck .Other method you have to modified with extra winding with excitation may not suitable expensive..
- Q: How to distinguish AC and DC machines
- This also increases the manufacturing cost of DC motors to a certain extent. The alternator is concerned, it can realize direct energy feedback to the grid (but must ensure 4 conditions: the same voltage amplitude, phase and phase sequence of the same, the same frequency); but DC generator power needs to convert AC inverter (DC rectification process called, the direct current into alternating current the process that the inverter can be feedback to the power grid). So it also needs to increase the power of the inverter.
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YTDVF Variable一Frequency Three一Phase Asynchronous Motor for Tower Crane Amplitude Mechanism
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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