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Forum New Posts Unanswered Hook up motor starter FAQ Forum Actions Mark Forums Read Community Groups Reported Items Quick Links Today's Posts View Site Leaders Activity Stream Search Help Rules Groups Blogs What's New? EDA Resources Teardown Videos EE Podcasts Datasheets Advanced Search. Forum EDA Theory Elementary Electronic Questions How do i wire up a 3 hp three pahse motor??? Arial, Helvetica, sans-serif; width: How do i wire up a 3 hp three pahse motor???
Thread Tools Show Printable Version Download This Thread Subscribe to this Thread… Search Thread. I know electricity is extremely dangerousso i'm extremely careful when tinkering with power supplies or any electrical appliances. I am making a log splitter as my back is not that strong in cutting up logs for my fire place. I have made a device that uses a hydraulic jack to drive the axe into the log and spilt it. I am confused with all this L1 L2L3L4 wiring on the 3hp three phase motor.
It's simply a matter of connecting the 3 "L" wires one wire to each phase of your line. If after doing this if the motor runs in the wrong direction simply reverse any 2 of the wires. If you have an L4 you need to get the motor data and look it up. I am assuming L1, L2, L3 are for line conductors But I am not sure, as grounding is normally designated as "N". So its best to consult your motor manual.
And can i use a multimeter to determine the connections? Can one make differant connections to make the motor operate differantly what does a H-bridge connection do and its purpose? Yes use a multimeter, check where the N wire is going. It should either connect to the L1,L2,L3 group or it will connect to the motor case.
This will determine how you need to connect the motor. Is there a plate on the motor that shows the operating voltage? An H bridge is generally used for DC motors. This may be helpful: L1, L2, L3, N neutraland ground. Some use only four pjase L1, L2, L3, and a shared neutral-ground. The pump mechanism may uow like that. If it's more than 1 hp you need to hook up motor starter start-delta motor starters. Take a look at this: The speed of a 3 phase induction motor is determined by the frequency of the line current and the windings in the motor.
The only way to vary the speed is with a solid state or rotating frequency converter - neither of these methods is cheap or easy. If you want to see what a solid state converter looks like, there are schematics at: A DC aa would be preferred for high torque loads, and the universal AC for lower torques. If you are wiring up a Three Phase Volt motor the wiring is different than for a Volt Motor. This means phasee will need a Motor Starter that contains Overloads and Fuses. The three fuses should be sized to protect the wiring, and the Overloads should be sized hoik to the motors service factor rating.
Otherwise the Overload should be sized such that it is as close to the Nameplate current rating, but hoo, over, according the the overload charts. Starting current 6 times Lock Rotor can be o high, up to six times Lock Rotor so everything must be properly sized. The motor rated at mass flow meter hook up drawing. That size of motor needs a starter. This is a type of relay that incorporates an over-current trip. The type of starter I am familiar with generally has a start and stop button incorporated.
For an application that includes danger powered log cutting motro dangerous to me it would probably be a good idea to rig up a foot switch as an emergency stop. The supply ought to be via a fused isolator with HRC fuses. These allow for high starting currents. There are three windings in the motor. Ends of each winding are usually brought out to a terminal block. Carlys dating chronicles may be links on free dating iowa block to configure the motor as dating rumors korean or "delta".
Suitability to connect as star or delta depends on the voltage rating of the windings see the motor rating plate. Whilst the star point is effectively neutral, it does not need to be connected to the supply neutral. In delta, the three windings are connected in a triangle. The supply phases are connected to the three corners of the triangle. This means that each supply phase is connected to two windings.
Each winding has around V across it in UK that's V times sq root 3. For US,it would be about V for a nominal V supply. How do i hook up a 3 phase motor is no neutral point or connection. The delta arrangement gives more power but usually require a motor to be started in star first. Rotation mass flow meter hook up drawing is usually a bit lower than the theoretical maximum rpm for 50Hz supply, rpm for 60Hz because there are some losses. See motor rating plate. Speed controllers are expensive because they have to create variable supply frequency at high currents.
That involves high power triacs or similar and lots of control circuitry. However, they work well and can usually be configured to give "soft start", which is desirable in some applications. Quick Navigation Elementary Electronic Questions Top Site Areas Settings Private Messages Phasr Who's Online Search Forums Forums Home Forums EDA Theory Elementary Electronic Questions EDA Software Software Problems, Hints and Reviews Linux Software Digital Design and Embedded Programming ASIC Design Methodologies and Tools Digital PLD, SPLD, GAL, CPLD, FPGA Design Tinder dating site phone number Embedded Linux and Real-Time Operating Systems RTOS Digital Signal Processing Digital communication PC Programming and Interfacing Network IoT - Internet of Things Analog Design Analog Circuit Design Analog Integrated Circuit IC Design, Layout and Mass flow meter hook up drawing RF, Microwave, Antennas and Optics Electromagnetic Design phqse Simulation Power Electronics Tubes and Retro Hardware and PCB Design Show your DIY Show DIY Hobby Circuits and Small Projects Problems Professional Hardware and Electronics Design PCB Routing Schematic Layout software and Simulation Miscellaneous Engineering Robotics and Automation Forum Service Manuals, Requests, Repair Tips Mechanical Engineering and Design Other Design Science Mathematics and Physics Heuristic methods, Machine Learning, AI, and Soft Computing General Computer General Computer The Classifieds About EDAboard.
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mass flow meter hook up drawing
how do i hook up a 3 phase motor
my name is John I do sprinklers and I have 2 do a volt pump start relay and was a little confused about how. Motors usually come in two different types, single or three phase. Essentially all you need to do is wire the single phase power to the input side of your variable. I am trying to wire a new motor to a variable frequency drive (VFD) and and The terminals 4, 5 and 6 are not to be connected to your VFD. I am confused with all this L1, L2, L3, L4 wiring on the 3hp three phase motor. so need some help if anyone know the way to wire it up.