Answer Posted / hemang
It is a protection class.
| Is This Answer Correct ? | 2 Yes | 3 No |
Post New Answer View All Answers
what parameters should we check to reduce the power bill
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
How much voltage we need to apply in 33kv cable during hipot test of cable
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....
what about SAP/MRP regarding manufacturing of electric motors and all drives?
which fault is severe and why?between lll fault and lllg fault which fault is severe and y?
TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?
in our all power plant have connected in grid and grid voltage and plant voltage is same, but as per as electrical concept the power will transmit from high potential to low potential but here altough same,then how power transmit from power plant to grid.
explain comutator action in detail.thanks
two way ckt diagram can be drawn by how many ways? give diagram
What technology is used in latest generators?
WHAT IS LOAD CELL
Why AC & DC capacitor are use in UPS ??????????????????
What is the actual calculation for transformer short circuit test?.
What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.