what are the main parts of UPS what is the function of that?
Answer Posted / patel
ok thanks mehboob tats right
its having also 'filtering circuits',and 'capacitor' with
balancing both source, right?
| Is This Answer Correct ? | 10 Yes | 22 No |
Post New Answer View All Answers
how to select energy meter? have any calculation?
Describe the control mechanism of missile launcher???
concept of busbar and load dispatching..?
how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)
How the frame size of a flange mounted AC induction motor is calculated?
we use capister for power factor. when we use capaciter in dg circuit than defect dg. can we use capaciter bank for dg circuit
if i am in front of transmission line how to know that current direction without any equipment
what is load vs Torque curve & why it is used?
The principle of switching circuits for different types of batteries in application of storage systems
What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?
Why dry type cast resin transformers tap link blast in HV side while power shut down times on load?
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
What is the Current equation in series RLC circuits.
Why line VTG = √3 phase VTG in star? How?
Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.