When VFD is connected to a 3 phase main supply there is load current difference between incomer to VFD and outgoing from VFD.
1 4785What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva
1728AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?
2 4909i need of the bhel question papers along with answers and also give some website names for the downloading question (electrical and electronics engg question)please help me....
1488If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?
2 5053I have a transformer whose primary operates at 230V, 50Hz for which the secondary voltage will be 12V, 50Hz. What will be the secondary voltage if the primary is fed with 400V, 8KHZ Signal?
ABB,
6 8293what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
1663Post New Electrical Engineering Questions
How does a digital electronic meter work??????
how is find out kwh step by step
What are hrc fuses and where it is used?
how does it help for selection of a transformer.
Why have to use copper cable for local isolator to motor ?
why we used ZNO in Lightning arrester.
what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?
Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB
Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?
PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.
how can we design robots
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
what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors
how to check three phase motor torque value?
Explain and give examples about VCB?
