Hello Everyone,
I know a there are a lot of vfd expert here. So here's my question.
We have a pumping station project for dewatering application that will be used for flood control.
Composed of two (2) units Teral Submersible Pump Model 600AAX-637 rated at 50HP, 400V, 3Phase, 60Hz. Controlled...
Hello Everyone,
We have this situation on site where the ground wire of a submersible sump pumps were totally burnt out. (See attached photo)
Its a two (2) units submersible sump pump rated at 5HP, 400V, 3Phase, 3500RPM. Controlled by a Duplex type DOL controller 5HP, 400V, 3Phase.
The reason...
Hello Everyone,
We have panel board used for commercial purpose with 100A 3Phase 440V main breaker Model GE TCD134100WL, size of main feeder is 30mm2 THHN.
Loads: Lighting and Outlet, Aircon, CCTV.
Power Supply : 440V, 3Phase, 4Wire
No voltage imbalance.230V single phase load used line to...
The standard set-up for CCTV power supply if you have several sets of cameras is to have a centralized 12V supply and have it distributed to all the cameras.
Or for a single camera you can plug its 12V cctv power adapter to 220V outlet.
I was thinking, is it advisable to just wire several...
We have a few locally assembled motor controller from a particular supplier here in the Asia. I have all the details gather in every controller for reference purposes and i noticed that some of its thermal overload relay rating varies for the same horsepower. By the way, these are DOL and...
Good Day!
we have an electric motor coupled to a blower for almost 2 months and then the fault happened: burnt terminal wire.
Supply Voltage Measured:230/237/234
Unfortunately we can't measure current.
We tried to jog it but the situation get worst, Line side Line 1 of the main breaker...
What will be the easiest way to reverse the rotation of a single phase cap start/ cap run electric motor without blowing any capacitor or burning the motor? I attached here the wiring diagram.
Regards,
Hoover
We have an existing BURT 110KW 380V 3phase electric motor coupled to a hsc pump.The pumps are under operation for 24 hours a day.We are afraid that one day the motor failed so the management decided to buy a spare in case of failure we can directly replace the motor without altering the coupling...
