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To increase the power factor

Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

1420

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boiler is running in rankine cycle and deisel generator is....?

1571

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draw the full wave and half wave circuit of 3 phase system and inverter circuit used in ups 

1921

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what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

1564

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explain the functions of main isolation switches

1204

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why should the primary of transformer be connected in delta in a heat run test?

1469

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what is breathing?

1345

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What are IP protections used for electrical panels, JB, equipments installed in explosive zones like Petrochemicals, Oil & gas

1225

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What are the disadvantages of hydropower?

661

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take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????

1816

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can i connect the two phases of scott connected transformer,if not why?

1513

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What will be the effect if I use inverter as UPS mood?

1753

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Define open loop control system.

684

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How to Prepare preventive maintenance shedule of machine tool.

1525

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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

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