what are factors to be consider to design a HT & LT motor?1 2409
hot water tank,top element 240v across,the bottom 120v across,why?1 2280
Can I Drain A Oil For Sample When The Transformer is Running? (Charged)2 4000
In ac motor,when dc supply is given what happend to the motor?3 3066
why we use shunt in a rectifier system ?1 2817
why vector group is ued2 2967
IF I USED VVVF DRIVE IN FAN APPLICATION MOTOR IN 6.6 KV ( 700 KW) MOTOR & DURING NORMAL RUN OPERATION TIME IF RPM SUDDENLY REDUCE IN MOTOR BY DRIVE(E. MOTOR RPM REDUCE SUDENLY 687 TO 550 RPM) WAHT WILL BE HAPPEND IN DRIVE1 1621
What are electric motors?
1.how many types of relays? 2.difference between ATS& STS?
From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?
In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?
How much load can take a 16 mm aluminum cable 3 phase
should %impedance be high or low in a power transformer? if so why?
what are all types of cross section in AC cables?
how external lighting design? please give examples?
what is meant by re-rolling motor? how it differs from standard motor?
what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks
Y phase plates are used in transmission line??? what is there need???
what is the reactive power what is the use of it in system
How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.
Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.
As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.