Answer Posted / karthik

#it is depent up on the round value for our calculation.
# the relay specification
# standrd form

Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

1588

---

Why wind turbines wheels rotate constantly

983

---

features of hbc fuses

2351

---

How a band pass filter is constructed?

1012

---

What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?

1673

---

what is apparent poewr, reactive power, & active power?

2245

---

What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

1902

---

CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??

5562

---

please send the IS strandard for electrical to sakthi_murugan86@yahoo.co.in

2204

---

5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch

3751

---

Is it advantages of having star-delta vfd than normal star vfd , if yes why?

2196

---

how to identify vector group of three phase transformer by voltage method?

1562

---

What do you mean by turns ratio of instrument transformer?

1031

---

what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

3255

---

any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

2237

---