Answer Posted / karthikeyan

On the Basis Of Rating
there are following types of protection is required
1) Overvoltage Protection
2) Undervoltage Protection
3) Over Current Protection
4) Under Current Protection
5) Overheat Protection

how we can calculate chiller required ampear?

1594

---

why are the maintaine power factor and how can this control and this is how work.

1479

---

How we can change the direction of rotation of Induction motor? Prove it using graphical

1622

---

Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

1512

---

How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

1588

---

---

what will be project cost for 100 kv transformer connection under oyt scheme.

2407

---

Motor,transformers,capacitor tubelight etc....

1212

---

what work will do diffrential realay DG set

2329

---

can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

889

---

In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

1486

---

compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor

1272

---

How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?

1916

---

What happens to voltage when current through the inductor is constant?

679

---

what will be the effect if you were using different brands of outlets?

1470

---

what is the relationship between phase & neutral

2071

---