Answer Posted / asif
transformer initial current called inrush current which is
6 to 10 time more than its normal rated current according
to its kva.
Is This Answer Correct ? | 12 Yes | 4 No |
Post New Answer View All Answers
what is relay what is protection & contact multiplying relays where it is used function in brief
A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.
What are the types of piano switches?
Why neutral point is consider as zero potential?
Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?
what are the sample questions asking to the test cunducting for electrical superwising lisence test?
What is the formula to find out two phase active & reactive power
How is magnetic leakage reduced?
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?
Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
Draw a block diagramof Three UPS systems connected in Parallel mode?
sir i want previous entrance exam papers for written test
As we use capacitor bank in 3ph ckt to improve PF, can we use capacitor in single ph domestric use, in house we have Fan,Mixer,electric cooker,iron,tube choke they also lag the system,because it is inductive load. if it is possible to improve PF of single ph system-- if yes- type of capacitor to be used,connection diagram, working in detail. if no-- list it.
Explain what is electric traction? Explain few advantages of electric traction system?
what is the purpose of high speed earth switch in gas insulated substat