Answer / Awdhesh Kumar

There are several reasons why a capacitor start motor may draw higher current than expected. Some potential causes include: poor contact between the stator and rotor, damaged or worn components, incorrect capacitor value or voltage, poor electrical connections, and operation in high-temperature environments.

IS RTCC AND OLTC REQUIRED FOR 500 KVA 11KV/433V TRANSFORMER FOR AN INDUSTRY?

7 Answers   IGCAR, TNEB Tamil Nadu Electricity Board,

---

In Power transformer oil temperature or winding temperature will be high

3 Answers  

---

whats the advantage and disadvantage in TUMETIC mdel transformer

2 Answers   ABB,

---

1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor

1 Answers   Crompton Greaves, Framo, L&T,

---

how actually an anti pumping device works? what is the operational principal?

2 Answers  

---

What are the factors to be considered during the Synchronization?

3 Answers  

---

How to specific gravity of battery will check, i didnt saw any hydrometer. & say me how to dip into the battery what are the specifications are given in the hydrometer?

1 Answers  

---

how we select the mva rating of the circuit breakers?

1 Answers  

---

why is the power generator connected as star earthed or star earthed through reactance and what its features ?

1 Answers  

---

is earthing is necessary if we use armoured cable

1 Answers   ABB, Schwing Stetter, Siemens,

---

How to calculate the motor winding resistance ?

21 Answers   Forbis, L&T, OEGI, VTI,

---

I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

0 Answers  

---