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What is the role of the 50 STUB protection at a GIS 400KV substation with SIEMENS protection relays?
1997In a power conditoining unit (inverter) of a solar plant when we measure the d.c. current fed by different strings of solar plates to inverter, the current in the negative wire is less almost by 1 ampere to the current in its positive wire say current in positive wire 5 A , then current in negative wire of the same string is 4 A. Since the current entering should be equal to current leaving then why the current is noticably less in negative wire.
1545We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?
1612Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?
1370CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor
1613I use 20 nos led tube 4feet, in pathway 100mtr approximate, so what size cable i use for lighting
1422What is the difference between security constraint unit commitment and security constraint optimal power flow?
1672Post New Electrical Engineering Questions
What is the settings of distance protection relay in 400 kv line
What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?
what is the most permissible winding temp when we conducting a generator load test?(condition no load)
what is the minimum clearance between a 11KV 150KVAR capacitor cell and series reactor.can a series reactor can be mounted in the same structure of the capacitor cells structure
how to find the Motor,s insulation Power?
HOW TO CALCULATE EARTHING SIZING?
How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend
what is the function of Moulded case circuit breaker, why it is called Moulded?
If any cable burnt how can we identify it burnt by high current of high voltage?
IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?
what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?
What is the difference between Delta & Wye windings?
What is difference between YNyn0 and YNyn ??
hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?
How to checked frequency drive output voltages?
