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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 3782why transmition and distribution and genaration of voltage in multible of 11 means 220v,440v,11kv,22kv,,,...so on
3 5285how to create new innovation what are the supporting sources in the electrical field for Electrical engineers.....?
1 36421) 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?
1 2085we 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 6937Why do we need ring main unit (RMU). what is its purpose and its advantages . what is the operating function of rmu
6 39853In 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 3942what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com
1 1997please give me all the Alarm .Trip ,Safety Relays & Conditions of UPS Systems mail me on ashokbabunhce@gmail.com
1 1869please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com
1 1909Post New Electrical Engineering Questions
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.
hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.
TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.
please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com
how many stairs have you climbed while you were coming
What are the different methodes for calculating the short circuit Current?
Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.
Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?
DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER
please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com
what will happen if synchronous machine rotor fed from single phase ac supply
i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.
Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar
