What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx

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why anti pumping relay is not given to tripping coil of the breaker? why only to closing coil?

2 Answers   INEL, Siemens,

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What is the capacitance values of 132,220,400 & 765 kV current transformer

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why some transmission lines have 7 wires n why some have 3 n 4??

3 Answers  

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For 160kw motor what size of cable and material is needed.?

1 Answers  

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in conclusion why we select you?

1 Answers  

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what is accuracy ? in any meters , coils accuracy . how can u defined that ?

0 Answers   Adani,

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why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?

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1. name the relay for protecting transformer 2. Current Transformer 3. potential Transformer

1 Answers  

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What is the value of system voltage?

2 Answers   Bhel,

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how the transmission voltage ranges are decided like 11kV,33kV,66kV,132kV,220kV,400kV,725kV.... why not choose the transmission line voltage as 23kV,164kV,440kV?? what's the reason??

3 Answers  

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

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