Siemens High Low Voltage Motor 1PQ Series

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Siemens High Low Voltage Motor 1PQ Series

Q: its an ac motor, but it spins the wrong way, i need to reverse it.: As far as I can remember, to reverse a shaded pole motor, you have to install a new rotor in which the spiral in the laminations is in the reverse direction.

Q: What is the minimum size overload protection required for a 480 volt 3 phase 15hp continuous duty motor: The actual thermal overload heater elements I am using are 21 amps with a Service Factor rating of 1.15. For Service Factor of 1.0 (100% Full Load Current) you can go as low as 18 amps. Use a 30 up to 50 Amp Moulded Case Breaker with Magnetic Overload Protection. Hope this helps.

Q: The coil of an AC motor has a resistance of 5 ohms. The motor is plugged into an outlet where V=120V (rms) and the coil develops a back emf of 118V (rms) when rotating at normal speed. The motor is turning a wheela)Find the current (rms) when the motor first starts upb)Find the current when the motor is operating at normal speed: At the moment the motor starts it has no back emf developed, so the current is (from Ohm's law): I = V / R = 120 volts / 5 ohms = 24 amps When the motor is operating normally it produces a back emf of 118 volts, so the total voltage across the motor is 120 volts - 118 volts = 2 volts. Using Ohm's Law again, but with the new voltage, we get: I = V / R = 2 volts / 5 ohms = 0.4 amps

Q: Distinct Between Synchronous Asynchronous Alternators AC Motors: Generators of both types of have an even number p of magnetic poles, ie p = 2, 4, 6,.. etc.. The synchronous speed of both types is equal to 3600 x 2/p on a 60 Hz system and 3000 x 2/p on a 50 Hz system. Synchronous generators run at exactly their synchronous speed corresponding to the pole number and supply frequency. Asynchronous generators run slightly faster than their synchronous speed. The design distinction between the two is that the synchronous generator (or alternator or turbogenerator) has a field winding on its rotor which is supplied with DC from an external source to magnetise the machine. The asynchronous (or induction) generator has a short-circuited rotor winding (often just a so-called squirrel cage) in which the excitation current is induced from the armature winding on the stator. This necessitates that the asynchronous generator run slightly (1 to 2% depending on load) faster (or an induction motor slightly slower) than its synchronous speed. Important practical differences are that an asychronous generator can only function if it has a supply voltage of stable frequency to work on. It cannot generate on its own, neither can it provide reactive VA to meet system demands as a synchronous generator can. Partly for the latter reason there are relatively few asynchronous units in power generation.

Q: What's the difference between asynchronous and synchronous AC motors?: Asynchronous motors and synchronous machines actually have a big difference in principle:The synchronous motor works by "the magnetic field always goes along the shortest direction of the magnetic circuit", taking the transition motor as an example. When there is excitation on the rotor, the N and S poles appear; then the stator magnetic field rotates, and its N and S poles change with each other, and always correspond to the magnetic poles of the rotor. So synchronization is formed. What's more, the number of poles of the stator and rotor must be the same, otherwise the motor will not work.

Q: AC motor speed regulator: AC motor is the most ideal speed control mode of frequency conversion, and other ways are electromagnetic speed regulation, variable pole speed regulation, variable pressure speed regulation.

Q: I'm not going to lie and say I know a whole lot about the physical side of electronics, so I'll just straight out and ask if I could run a stepper motor I stripped out of a scanner on a series of D batteries (adding up to 12v, the motors operating voltage): You can run the stepper motor using batteries, but stepper motors need a controller to make them advance step by step. It's basically a logic circuit that changes the polarity of the 4 wire leads. So unless you can figure out how to hot-wire the scanners controller and give it input, you'll have to buy one. To be able to just hook up a power source and run the motor, you can't use a stepper motor. You'd have to get a regular DC motor. As far as a regular power supply goes, check around all your appliances for a 12VDC adapter (any wall plug that runs at 12VDC). Depending on the size of the motor, and the load you're putting on it, you may need a high current one. RadioShack has a 12VDC 1.5A adapter for just under 30 bucks. Check the link.

Q: The difference between DC motor and AC motor in electric stacker: Advantages of DC motors1. DC motor has good starting characteristics and speed characteristics2., the torque of DC motor is relatively large3., maintenance is cheaper.4. DC motor DC relative to the exchange of energy-saving environmental protection.

Q: How to change AC motor to DC motor?: Generally speaking, the motor is AC, and the phase change of the high-voltage DC is too sudden, which is easy to damage the motor. Batteries (electric cars) use dc.A direct current motor refers to an electric motor that uses a direct current supply (e.g., dry cells, batteries, etc.); an alternating current motor is an electric motor that uses a power supply, such as a home circuit, an alternator, etc..

Q: I am in the process of learning about and building an electric go kart. I have several questions and am seeking help on electrical issues. I would like to power this kart with an electrical motor and car batteries, possibly chained together for more amps. I have several large AC motors and was wondering if a car adapter like this one: depends on the size(wattage output) of your inverter. you'd be better of staying DC

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