what is reactive power and active power

4 Answers  

---

can a generator with 15AH specified battery for starting can be connected to a battery of greater capacity?

2 Answers  

---

why secondary of c.t. will kept open ?

4 Answers   L&T,

---

Why Magnetic Core Balance test is performed only on Star side of Transformer and not on Delta Side of Transformer (Vector Group Dyn11)?

1 Answers  

---

in 11kv/400v transformer when only one phase of 11kv supply fails what happens to sec voltage and why

6 Answers  

---

What is SMPS,How does it works?

4 Answers   Bharti, TCS,

---

how to calculate power loss cost of aluminium conductor and copper conductor?500v,100A,68mm area squre busbar.

1 Answers  

---

how is capacitor bank look like

0 Answers  

---

While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply

2 Answers  

---

what is the difference b/w neutral and ground?

4 Answers  

---

1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?

0 Answers  

---

why electron produce magnetic field when it is in motion?

0 Answers   Power Grid,

---