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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.
1555For 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 2000If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.
1392We 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.
1472we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor
1409Post New Electrical Engineering Questions
Is there any type of starter for DC motor other than two point,Three point and Four point starters?
is that any software calculator to calculate the size of cable
In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?
What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load
10 tube light connect in mcb breaker.one tube light is fault.so breaker is tribe.how fault is rectified.(using 3wire phase,earth,neutral)
why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding
which IS or IEC is used for earthing,breakdown voltage of transformer oil, hv/pd testing and all type of electrical testing
what is arc flash and what are the hazards involved
what is relay what is protection & contact multiplying relays where it is used function in brief
How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?
Load break swicth maintenance procedure.
The size and construction of bushings in a transformer depend upon?
how many safety really of DG sets.
I'm generating a pulse of 3V with frequency 80Hz (12.5ms time period) and pulse duration 0.125ms and feeding it to a transformer since i want the pulse to get amplified around 60V. At the output amplification s happening but the pulse is changed to a spike, can you tell me what could be the reason? (an ordinary transformer 220V-12V stepdown transformer is reverse connected ie. now it is 12V-220V stepup and voltage amplification happens)
how choose conductor&depending upon load
