Answer Posted / pravin

1.For safety of personnel & equipment
2.Reduces voltage fluctuation in case of excess current flow.
3.In case non use of tripping devices it reduces the risk of electrocution.

why d.c produces corrosion

2037

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how we design a pannel to start 10HP motor with the help of star delta starter?

2221

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what ispositive, negative, zero sequence impedence?

2032

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What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

1979

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what is the difference between changer, converter and transformer?

1543

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1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

2009

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Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected

3129

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How to setting the volume of RTCC panel AVR (11kv) controller

1595

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Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

2144

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Write the current equation in series RLC circuits.

1143

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What is the distance between each insulator in 33kv transformer and how can it calculate

2189

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Transmission through a short line depends on

2267

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1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor

2038

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how to select the no. of brushes in a lap winding?

2192

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What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?

1272

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