Answer / naveen joshi

Shunt Realese Used for Tripping in Breaker (manualy operated or relay operated).

Answer / k.prakashchandra

It is provided in heavy duty LT breakers for protection against over currents / short circuits

what is power factor? how can we correction the power factor if this is high or low? If anyone know please please send the answer on my email id ( kumarkirshan@in.com )

5 Answers  

---

In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?

1 Answers  

---

typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?

0 Answers   Siemens,

---

How ElCB tripping if Neutral touch with ground

4 Answers   Sanmar,

---

How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.

0 Answers  

---

---

What is the drawback of class b amplifier?

0 Answers  

---

Sir I hv to fix 20 ton ac how much electrical power need apply?

1 Answers   Sealand Restaurant,

---

What is the minimum insulation value required for a cable between phase to phase and phase to earth of 380 Vac 50Hz circuit, having load arround 800 amps.

2 Answers   DEWA, TATA,

---

what about the input current fan when regulator regulates to speed low?

1 Answers  

---

What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva

0 Answers   Shasun Chemicals,

---

why current flows from +ve to -ve terminal

7 Answers  

---

What device is use for metering current at lt consumer end..??

2 Answers   Power Grid,

---