What is difference between 220v/50Hz & 120V/60Hz?

8 Answers  

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Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

0 Answers  

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What is the most essential condition for the voltage build up for a d.c. Shunt generator?

0 Answers  

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HOW DO YOU PROVE THE HIGH VOLTAGE CABLES OR BUSBAR IS DEAD EVEN AFTER IT IS DE ENERGISED

6 Answers  

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how to calculate busbar size? if ex:1000amps i need to calculate busbar size and what size of bar?if any example caculation pls give the formulas.

2 Answers  

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What is meant by shunt current?

1 Answers   ABC,

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i am BSEE student, my project study is to synchronize the generator of an hospital, it have a one 313KVA standby-power diesel gen.,and three 100kva transformer.The generator system is operated manually and no ATS or UPS. one more new building is being build so the transformer will be upgrade to a higher vale. 1)how i can connect the new gen. to the old gen. and to the synchronize panel? 2)what is the new gen. to be buy?(rating, etc.) These is my title: To synchronize the generator system of the ____ Hospital. Anyone have a good title? Thanks.

1 Answers  

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what do you mean by star point.its importance in ct & pt

2 Answers  

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As load in a transformer increases, mutual flux linkage in core= A increases B decreases C not change D first increase then decrease

2 Answers  

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can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

0 Answers  

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sometimes, eventhough the HV side of the transformer is opened there is a voltage in LV side .How is it possible?

4 Answers  

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a 120 60 watt incandescent lamp has to be operated from 50 c/sec 1 phase ac supply. in order to do this a circuit element has to be connect in series with the lamp. which one of the following sries element is preferable.

1 Answers   SSC,

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