Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / balu.n
'A' - Alluminium
'2X' - XLPE Insulation
'F' - Steel Strip Armour
'y' - PVC Insulation
'W' - Steel Round Wire Armour
'y' - PVC Outer Sheeth
Cable sizes upto to 3CX10 Sq.mm Wound armoured is
acceptable.( Wound armoured will provide a good mechanical
strength than Flat armoured)
Cable are selected with FLAT ARMOURED is mainly because of
finacial reasons and some phical resons in errection and
maintance.
A-Aluminium
Y-inner shealth for insulation
F- Flat armoured(There is one more thing WOUND ARMOURED)
Y-outer shealth of insulation.
In general practice.
| Is This Answer Correct ? | 3 Yes | 6 No |
Post New Answer View All Answers
How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?
What is meant by harmonic distortion?
explanation of mesh bus bars
how to changeover ups in this power failur time?
what is meant by class 1 E in electrical power supply?
if we have 320KVA Genset kindly advice how much load we can put it.
In CTs tan delta point should be earthed , what is the reason behind it?
The size and construction of bushings in a transformer depend upon?
how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.
Why syn. Generators are used for the production of electricity?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?
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,……..,?
in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?
What happened ,If 3 phase clearance not maintained in 33KV Line,11KV LIne etc?
what are the tests comes under the type test, what tests comes under routine tests.
