What are the components of feedback control system?

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At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

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a room heater is connected in serise with a 100w bulb.if the 100w bulb is replaced by a 40w bulb then the output of the heater is increase/decrease/remain same?

9 Answers   College School Exams Tests,

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why we use copper earthing for neutral while for body GI.

1 Answers   Chennai Metro Rail Limited CMRL, Valeo Lighting Systems India Private Limited,

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How can we calculate the resistance of earthing & how can we control it?

2 Answers  

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Merz-Price circulating current principles is more suitable for

1 Answers   Student,

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How can we parallel two transformer with vector gorup YNd11 and YNd1?How is connection two transformer GT?

3 Answers  

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How to maintaine ht motor efficiancy

1 Answers  

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for a 33/11kv transformer, after step down what happens to the balance 22kv.

2 Answers  

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what is PI value and its significance for insulation testing?

3 Answers  

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Tell me about Simence PLC 'BLOCK'.How many types and what for.

1 Answers   Gurit,

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What is pole of the system?

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