what do w do when the output of generator is fluctuating?

2189

why we are not giving the zone 1 trip command to the master trip relay

1707

How will polarity test of Dy5 Transformer ?

2221

What is the difference between the impedance percent and impedance voltage ?

2174

how to calculate current and voltage in a same circuit?

2163

What is the formuala to calculate the rating of motor protection circuit breaker

2179

can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

1429

what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

2291

what is star delta starter? how it works? give its control and power diagram.

2059

what is load vs Torque curve & why it is used?

2027

A d.c. Shunt motor is found suitable to drive fans because they require?

1256

What is the use of bundle conductors?

1122

Explain advantages of storage batteries

1067

what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?

2100

circuit diagram of trip circuit supervision relay

2011