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Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC
1554how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)
1609we have provided 30 mA rccb to water cooler.but we feel shock in cooler body.what is the reason?
FCC,
3 4600I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?
1700I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?
1644Post New Electrical Engineering Questions
Define ohm’s law for a.c (alternating current)?
Explain about p.t?
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
What will happend if given Vfd out put to step up transformer
What is the instrument to check the rotating diode fuse of alternator in running conditions?
how to calculate the formula of cable size if motor kw is given
In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??
How many types of faults are there in 3 phase power system?
In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.
Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?
what are the application of over current relay?
What is 11 N1 and 12 N2 in single phase Transformer ?
What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.
Is there any specialised book to refer about fault level calculation both in MV and LV side??
how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.
