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Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.
1590For DG or Transformer body earthing, is it necessary to terminate the earth bus to earth pit directly? If not terminated to earth pit directly in earth pit and connected to any common bus strip which ultimately connects to earth pit, what will be the pros and cons?
1 2067If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.
1438We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.
1526we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor
1463Post New Electrical Engineering Questions
what will happen when the dc supply is given to the capacitor?
what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?
What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?
What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!
Why armature rheostat is kept in maximum position?
We are preparing another project which involves Waste heat recovery from a 1 MW GE Engine. The Engine in particular gives out flue gas at 487Deg C with a flow rate of 5650 kg/hour and this can be cooled to 180 Deg C. This gives a thermal output of ~ 594 KW that is available for input to VAM via heat exchanger / boiler. Additionally 581 KW will be available from engine jacket water (temperature profile 80/ 80 Deg C and a flow rate of 50m3/hr) Our estimation is that 300 TR of cooling is possible with a suitable VAM machine(s). Please advise what is the most suitable arrangement with maximum TR and min Capital expenditure. plz reply me as early as possible
As you achieve greater success with the company after some years, Will you like to be a share holder in our company?
what is the importance of earthing system on the generators big capacity and small?
Describe Non I.S. Earth System and why is it used?
What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2
what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.
Why is better to have a minimum ceiling voltage of 250% than 160%?
ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]
What current flows in the transformer primary when its secondary is open?
difference between a diode and thyristor?
