Answer / syed javeed basha

Isolators are those switches which disconnect (isolate) supply to any particular section. usually these are manually operated during maintenance of transformers or busbars etc.

busbars are those metal strips or hollow pipes which pass current in a substation or grid.

Answer / tapiwanashe vhurumuku

An isolator is a switch operated manually which disconnects power from the main supply

3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1 Answers  

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What is meant by shunt current?

1 Answers   ABC,

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How Many safety of Air circuit breaker

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If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..

1 Answers   Bhel,

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What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

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can you explain the rms value in simple words....

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ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

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1. what is the power factor of a purely inductive load? (i) Zero (ii) Lagging (iii)Leading (iv) Unity 2. which type of transformer connection is preferred in case of power supply transformer? (i) Star/Star (ii) Delta/Delta (iii) Star/Delta (iv) Zig Zag/Star

2 Answers  

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what is the path of electron when a static electron is placed in a magnetic field?

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how can calculate static 3phase 4wire CT & PT operated energy meter constant when calibrating using refference meter suppose we have 11kv/110v PT and 30/5A CT, the meter constant is 160imp/kwh, where meter is showing MW energy? give me solution which constant i feed in my refference meter for calibration of energy meter?

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define one ampere?

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I have two AC generators, the first rated 2680KVA for 380V/4345A/pf:0.7 and the second rated 3461KVA for 5500V/363A/pf:0.8. I want to parallel the two generator to a bus. The second generator passes through a transformer to down the voltage to 380V and a part of its power goes to another bus so that it's only a part of the total power of the second generator taht goes to the considered bus. I have two Basler DECS100 AVR regulator. How can I make the synchronization ? What others equipments must have ?

1 Answers   CST,

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