Answer Posted / nandakumar.r

Earth pits resistance was 0 ohms.due to soil difference its
vary slightly near 2 ~ 3 ohms.But its acceptable level in
our country.

For transformer neutral and body earth and panel resisteance
was zero ohms.

why ht motors are star connected?

1821

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5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch

3754

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is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

1938

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What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?

2117

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

2062

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What is the relationship between voltage,current & frequency?

1715

---

what is working process of star delta controlling circuit ?

1829

---

What is pd controller?

1057

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Graphs of measuring power and speed on dc motor

1915

---

Differentiate between voltage and current feedback in amplifiers?

1060

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

1865

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although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

1939

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is the value of inductance depends upon the evalue of thitha in doubly excited machine?

1829

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what is tri state logic gate

2124

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What is a compensator?

1021

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