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Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power
2 5810Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
1553what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth
1438Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings
2133How many battery required for an 3kva online ups with 3 hrs back up with usage of 3 fans,3tube lights
1 2659sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason
1541Post New Electrical Engineering Questions
What is distance between electrical panel to land ?
What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?
Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.
What is the maximum operating temperature for a thermoplastic insulated cable?
Name two types of electrical analogous for mechanical system.
please send me the L&T Emb. sys. placement papers and entire details of pattren
Define super node?
what is the use of the circle diagram
I want definition for ABT Meter (Availability Based tariff) ?
How can we select suitable capacity generator for three phase load (inductive load) and how to take study analysis in 3 three phase load system ?
Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?
what is ps impedance test
how to find out 3 phase complex power in per unit in unbalanced system?
how can we change the phase angle b/w two phase?
How does a battary stores charge in it? please explain in simple manner and in detail.thanks
