Answer Posted / paragbajpai
1.carbon brushes are used as it is having high resistance so
that time constant will be reduced that means commutation
will be improved.
2. it has self relieving property
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP
Inverter. converter. Ups.MCB.solar.alternators. motors.
Is it advantages of having star-delta vfd than normal star vfd , if yes why?
How PSV sizing being done
hey guys i scored 910 on GRE and 67 on TOEFL respectively.I have an aggregate of about 74%in my B tech.For which colleges should i apply for an MS program in electrical engineering.I am looking for colleges in NJ,SC,NC,GEORGIA, NY. Please reply with a good response.....
Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks
What is ramp signal?
we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?
sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason
hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?
What is the general system requirement of alternator?
what is earth resistance? how to measured? and give values at power station and mcc area?
What are the material used for resistor?
What are the main advantages of bode plot?
transformer phasor diagram under load explain it?