A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

0 Answers   VECL,

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What is fuction of NGT/NGR using in Generator.

9 Answers  

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how can maintain the power factor and why and this is how do work tell us

0 Answers   Wipro,

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What is neutral and how to produced

1 Answers   L&T,

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what is the differnce between high impedance relay and low impedance relay

4 Answers   Areva,

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what are the insulation properties.

2 Answers   Cable Wireless, MAHINDRA,

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what is the differences between microprocessor and general purpose computer

0 Answers   Stesalit,

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what is magnetizing current test in power transformer

0 Answers   ABB,

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Why diversity factor are applied to the load?

2 Answers  

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What is Peterson coil? Where it is used?

2 Answers  

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I have 3KVA Libert GTX2 UPS. I need to calculate the back up time with some load. How to calculate the Back time. I need the expert guide

1 Answers  

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In scott connected transformer number of turns in the primary winding of teaser transformer is % of number of primary turns of main transformer A 86.6 B 57.7 C 14.4 D 33.3

1 Answers  

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