HI,
I have ask for a cabinet to control on start, stop, alarms of a standby set, 3000 kva, according to nema standards, friday, i cheek the wirings and saw there´s no alarms on pt100´s of the winding of generator, for me here in Europe, the normal situation in this size of genset is to have...
Trying to start 4 motor 330kw and two motors of165 kw, on direct start Mechanical output 330 kw Volts 4160 V current nominal 68 A pf 0,72 eficiency 0,9 start current 243 A starting torque 0,94 pf on starting 0,1. the other motor dates are mechanical output 165 kw, volts 4160 V, currento full...
I have two generators 1,5 mw on a vessel, and they´re are used to supply the generation plant for the vessel and two syncronous motor used for propulsion, the level on harmonics on voltage is not to big, ok, the problem is that with more than 50% of the load, the signal that comes from pt100...
Hi everybody i´m trying to control speed on a genset with a namur sensor connected with a weidmuller was4 pro freq, and with the unit stopped i saw the led on the weidmuller is flashing and i wonder if this ok.
I asume that the contact on the namur sensor is a dry contact that open or close...
Hi, I´m changing an excitation system from a old to a new system and i´ll like to know, some resistance values, cause i don´t know how to calculate it, cause i´m not experienced,
please cheek the drawings...
I want to connect two generators to the same step up transformer and then, get 0,90 cos on the connection to the grid...this means each gen set with the same amount of reactive, does somebody do it?
I have to rewind a winding on a electrical motor and i read on the data sheet, about the pt100 that is pt100 uni 7937 D, and for the pt100 on bearings same but N.
whats the meaning of uni 7937 and D?
please could somebody help me?
I got a motor 690 V 15 kw 50 hz, for moving a compressor with a load demand on 12,6 kw and 73 Nm, and speed 1750rpm and 60 hz, and my question is this motor suitable for this application, the idea is to start up with a soft start, and the load on compressor increase with speed... in 750 rpm...
I got an old hydro unit, 2000 kw, with a pilot inductor (dc generator) with the output connected to brush and the main generator rotor... and now, I want to retrofit it, and mount a new AVR, maybe a DECS 200, and with this AVR control the field of the pilot inductor, but the customer ask me for...
