Difference between earthing & grounding.?

2165

how  do you choose the cable size as per amps rating & the voltage drop for the same.

1783

what are the advantage and dis-advantage of 3 phase 4 wire energy meter?

2189

In a single how much maximum current and watts using

2162

How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

1888

what is Fault level? why it is calculated? how will u decide same for our plant?

2059

in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply

2115

If UG power cable both ends are to be earthed or what? If not why?

1945

how can check the resistance of battery contact?

2202

Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.

1958

1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is

2110

11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter

1927

How to megger test 11 kV cable and the acceptance IR value

2982

The capacitive reactance of a capacitor of 1/(2(PI)) F at 10^3 H is

1849

What is kvar?

1336