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Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method
UCC,
1844In a synchronous motor. if start is running at high speed. What will be the starting torque : Higher Lower Zero
1723in the farm,water tank of 8000 litter capacity situated in 12 meter above.Farm owner want to lift 7000 litter of water within 7 minute to water tank of 12 meter above.which motor having HP rating is suitable for pumping??
1 3289we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan
1679We are dealer in Maharashtra State & We have recd. form C from dealer of Maharashtra State against our E-1 form. Now assessing authority is asking for counterfoil of our E-1 form. But, our E-1 form counterfoil is misplaced somewhere & assessing authority is disallowing the C form which is recd. from Maharashtra State.Please let us know the option for allowing C form?
1 2473What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.
1780Post New Electrical Engineering Questions
how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?
how to remover corona effect and hysteresis losses from contactor
How to decide CT & PT ratings for a given transmission line carrying some rated voltage?
what is the advantage of connecting capacitors in delta than in star?
what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that
what is the meaning of osr in transformer.
what is transient voltage?
why do we carry out winding resistance test?
I want to know all basics of electrical engineering
In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?
How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.
What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
What is formula calculation size cable wire ?
how to calculate the settings for shaft ct protn in hydro generators
