Home Page News Search Contact Us Language Bar فارسی English
 
 
 
If you have faced with a case that needs conferring during your work or studies, you can submit it here as a "New Riddle" and we'll show it in your name. Notice: Site owners have the right to accept a riddle or not, or make a little changes in submited riddles.
Submit New Riddle

I just want to know as fast as possible about chopper controled dc shunt motor using 1 igbt
Author : Nitin chavda - From: India
 
give me a ckt diagram of speed control of 100w,220v dc universal motor using scr ........& also give the triggering ckt of scr
Author : jignesh kadia - From: india
 
What is difference between inductive and electronic ballasts performance in fluorescent lamps?
Author : Larisochka - From: Ukraine
 
In an industrial site, one multi speed electromotor which driven with an SFC unit (static frequency converter,PWM-type) failed and maintenance group decided to replace it, they found an oversize electromotor with suitable technical characteristics and replaced old motor.
Author : Hamid - From: Iran- Firouzabad in Fars
 
I just want to know about the power in load and source circuit of a dc motor.
Author : NEETHU - From: Unknown
 
During thyristor turn-off stage, after avalanche breakdown how depletion region starts reducing and returns to the original position, ...
Author : Abhishek Kumar - From: India
 
Is it possible to make latching and holding current equal?
Author : Abhishek Kumar - From: India
 
Why two thyristor from same manufacturer may not behave in equal manner? Explain the reasons.
Author : Abhishek Kumar - From: India
 
I knew about four quadrant operation of series and separately excited motor, but don't know about shunt motor. What should be the changes applied too the field and armature of motor to operate in four quadrants of speed v/s torque????????
Author : Abhishek - From: India
 
I just want to know as fast as possible  how to design power inverter using IGBT gate drive. I want to know the connections also and the diagrames.
Author : Ismail - From: Somali
 
What is the suitable gate drive circuits for MOSFET  single phase Building and how to testing of gate drive circuits on bread board and then on PCB
Author : Abdi - From: Dubai
 
1. What is LED Driver?
2. What is it used for?
...
Author : A.M. Abdilahi - From: Somali
 
why generator current is non sinosoidal??
Author : Unknown - From: Unknown
 
Can anyone help me in bi directional DC-DC Converter operating principle with layout, please ? It will be used between 12V(Battery) & 24V (Supercaps)..for my thesis..
Author : Bigtheik - From: Myanmar
 
why lacthing current is more than holding current?
Author : Unknown
 
What are the disadvantages to grounding and bonding high voltage AC sources to the same ground as low AC and DC sources (with regards to EMF and eddy currents)?
Author : David Kent
 
how can i explain microprocessor based speed control of separately excited D.C motor using thyristor?
Author : pramod kushwaha - From: India
 
 
 
Change Language :