I am planning to install a corrugated tank, oil filled, hermetically sealed distribution transformer of 11kv/433V, 160 KVA rating. The HV side protection is oil fuse switch and the mounting is outdoor, pad mounted, open to air. HV and LV are to connected by cables.
I would like to learn from...
Dear All,
My problem relates to the method of laying and fixing single core armoured LV cables of 630 sq.mm. cross section in a trench over a distance of 20 meters. The cables are laid from the secondary of the distribution transformer to the LV breaker. All guidelines from cable manufacturers...
I have an application for a diesel generator which calls for electric heating as a means of heat treatment on welded joints. The job in question is a large pressure vessel which requires about 75 kW in local heating. The heater elements are ni-chrome wires wound in-situ with suitable glass wool...
Dear All,
I am planning to run a 22 kV, 3 phase overhead line over a distance of 2 km using aerial bunched conductors ( XLPE insulated ) along with a bare messenger wire. Does anybody have any similar experience to share ? And are there any relevant construction standards on the web I could...
Dear All,
I need to find out about MICC Cable Termination methods. Has anybody got any practical experience or theoretical reference ?
The system is to be used fire alarm wiring of an oil rig.
Thanks in advance
Hi All,
I am searching for a modern, portable instrument for testing Efficiency of 3 phase Electric Motors in the range of 1 to 30 hp.
I welome replies from anyone with experience or information
Regards to All
Could someone please point me to data sheets on 22 KV XLPE insulated cables. I need to find out about possible deterioration when used overhead (on tray) open to sky & sun.
Also, the effect of such a cable on nearby data/control/power cables which are about 1 meter away from the HV cable...
I need to improve the power factor of a steel induction melting furnace plant from 0.95 to 0.99. The total kW load is 1700 kW ( out of which 1500 kW is the furnace load ).
The furnace is fed through a 11kv/550V,1750 KVA Trafo and rest of the auxillary load ( pumps, cranes, lights )is fed through...
Hi Again ! I need help with the following query :
What are the benchmark values for Transformer Grade oil?
I have a testing report ( Dissolved Gas Analysis ) that states the values of Hydrogen,sulphides etc. The lab people insist on a second test to find out the differential values before coming...
I would like to know whether there are any advantages of running Distribution Transformers in parallel ( secondary side ). I have heard of the hazards ( circulating currents ) and precautions to be taken ( matching parameters ) but are there any tangible benefits to be had by paralleling ?
I recently installed a Logitech wheelmouse. While giving the plot command in ACAD, the mouse ( cursor ) freezes !
I tried a number of times and it always freezes only when I click the Plot command in Acad. During this time, if I operate with the keyboard, the plot is active and I am able to plot...
I need to know if it is possible to run a 180KVA DG set in parallel with a 500KVA DG set ( Synchronizing ). If yes what are the precautions to be taken for safe operation