what is the diff. btwn. electronic regulator and ordinary
rheostat regulator for fans?
Answer Posted / bhanu pratap
in electronic regulator triac is employed for speed cntrl.
by varying the firing angle spreed is cntrled but in
rheostatic ctrl resistance is decreased by steps to achieve
speed cntrl
| Is This Answer Correct ? | 12 Yes | 4 No |
Post New Answer View All Answers
what is servo motor & how does it work.
we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain
2. Modify your design in question 1.a so that the circuit works according to the following function table X Y F 0 0 Clear 0 1 No Change 1 0 Parallel Loading 1 1 Count 3. Design a circuit that detects the pattern 010 in a serial input X considering: 3.a Overlapping 3.b No overlapping
What is called limb of a transformer?
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?
How to calculate ant test the burden of Current transformer
1 hp is equal to how much watt?
what is the difference b/w pvc cu conductor and cu breaded wire..?
what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.
State the factors, for the choice of electrical system for an aero turbine.
What is the difference between grid and off- grid system??
Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????
we have 15 ampere variyac but we want 30 ampere variyac what we do
What are the types of the glands and difference between single and double compression type of cable Glands.