how u select control transformer for a
mccb panels or any panels?for expample we hav 440 volts
maim supply and control volts is 230v?
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why neutral and body earthing of transformers kept separated? what is distance between two is required as per is?
Hi ,what the accurate method to set correct(In) over load to protect the 3~ motor
Question about ct secondaries connections?
oil sample dielectric test gives the insulation rupture voltage at 26 kv. is this transformer safe to be operated . The working voltage is 11 kv
what is feeder bay?
what is diff b/w electrical & electronics ?
how can we represne the analog signal and digital signal if want to measure the speed and we have to use PLC
When we use PT in HT Panel why the ratio is 11Kv/√3/110v/√3 please explain briefly with suitable formula?
what is advantage of using star to delta in place of dol starter
What is the speed of electrical supply?
1. which type of transformer connection is preferred in case of power supply transformers? (A) Star/Star (B) Delta/Delta (C) Star/Delta (D) Zig Zag/Star 2. In a power transformer usuall which winding is closer to the core? (A) Primary winding (B) Secondary winding (C) Low Voltage winding (D) High Voltage winding 3. The power factor of a purely inductive load is (A) Zero (B) Lagging (C) Leading (D) Unity.
9 Answers CECRI_Central_Electrical_Research_Institute,
How to differentiate 220 Kv & 132 Kv line transmission tower if there are no specifications given on towers?
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