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At 765Kv, I have seen the use of PT at line side for metering and CVT for protection, although as far as my knowledge is concern, PT at this voltage level will have huge loss and more cost as compared to CVT as CVT can also perform same function of Protection and Metering? So my question is why use PT and not CVT for metering and protection in order to reduce the cost.
1 3681why transmition and distribution and genaration of voltage in multible of 11 means 220v,440v,11kv,22kv,,,...so on
3 5119how to create new innovation what are the supporting sources in the electrical field for Electrical engineers.....?
1 35171) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?
2003we have taken HV test of 2.5 k and Megger test on 11 kv HT cable.here it shows no fault but when we are charging the same cable with 11 kv supply why the VCB 11 kv gets tripped can anybody define the possible cause of fault ?
4 6734Why do we need ring main unit (RMU). what is its purpose and its advantages . what is the operating function of rmu
6 39541In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?
1 3827what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com
1915please give me all the Alarm .Trip ,Safety Relays & Conditions of UPS Systems mail me on ashokbabunhce@gmail.com
1789please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com
1828Post New Electrical Engineering Questions
which network topology offers the greatest level of tolerance?
Define transfer function?
I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.
What is difference between Sample test and Routine test in safety standard?
In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?
which type of amplifiers are used in multimete?
How does a television work?
What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?
Explain using drawings what is reverse PID action w.r.t PID controllers.
why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?
sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers
why and how voltage sharing in transformer, during magnetic balance test ?
what happen when we add mentos in cold drink?& why?
Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.
what is the use of expulsition protective gap in 11Kv line.
