Answer / h.o. jagtap

When 240 VDC supply is connected to 240 VAC , AC Supply
work as Low potaintial in each cycle and short circuit
current will follow from DC to AC supply. Beacouse each
cycle of Alternating current DC is positive.

Answer / 12345

when 240vdc supply is connected to 240vac supply then the
power supply becomes zero due to grounding of neutral.

also when the polarity gets reversed only 240vac supply is
been provided to the circuit.

what type of protection used below 132KV feeders

11 Answers   APTransco, Telecommunications, wbsedcl,

---

Hi,Any one has idea regarding the KPTCL Recuirtments for AE'e & JE's for the year of 2009-10???Kindly help in regards..

2 Answers  

---

hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx

0 Answers   Ansaldo,

---

what is wave trap? And how it works?

3 Answers  

---

what is the meaning of cable Glanding can you explain brifly?

2 Answers  

---

which electrical supply used for long distance traction 1.1-ph 22kv a.c 50hz 2.2-ph 22kv a.c 50 hz 3.dc vtg 4.1-ph 22kv 150 jhz

3 Answers   Power Grid,

---

Why is it that North America uses 60 hz frequency while Europe uses 50 hz?

4 Answers  

---

i want to make an elec generater with only 12v car battery car alternater and 12 volt motor ..... will the battery charge and give power at same time with out over charging the battery?

1 Answers  

---

Why is the uniform distribution of the capacitor discs in a suspension type insulators essential , what can u do to improve the string efficiency ?

1 Answers  

---

What is the de rating factor of cable? What is the importance of the de rating factor in cable select

0 Answers  

---

Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.

0 Answers   ARDE,

---

what type of earthing do for dry fissure rock?

0 Answers  

---