Answer / deepak thakur

1) How to start drive (start command)
2) run friqency
3) voltege
4) o/l setting
5) max friqency/min friqency
6) ram up & ram down time
7)

ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

1 Answers  

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what is the phase voltage and line voltage in 2 phase power supply?

1 Answers   EID Parry, IBM,

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We store the d.c supply...then why can't we store A.c supply???

4 Answers  

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can any one explain about when EB supply failed then how the load will transfer onto DG's step by step.

1 Answers  

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Define the term factor of inertia.

0 Answers  

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1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

0 Answers   L&T, PK,

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show the physical connection and phasor diagrams of 1: DZO 2: Yd1 3: DZ6 4: Yd11 5: YZ11

0 Answers  

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why 120 devided with pole and speed multiplication to determine frequency

1 Answers  

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why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

0 Answers   Operational Energy Group,

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Tell me how you are ready to comply with the employment rules and regulations if your CV is considered for employment?

0 Answers  

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How would your past experience translate into success in this job?

0 Answers  

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what is power factor? is it good or bad for a system? what will happen if power factor increase or decrease?

4 Answers   Bhel,

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