What is the difference between 2 wires RTD's and 3 wires RTD's.Kindly explain the wiring diagram.

1 Answers   QAFCO,

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how much earthings are provided for 22KV HT Metering Kiosk

1 Answers   GE, Gionee, Knight Frank, TATA, Vacmet,

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What will happen if we do not provide earthing to the newtral of a power system ?

2 Answers   Jindal, NPCIL,

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For a 50MVA (138/69/13.8 KV) transformer, what would be the maximum demand in order not to exceed 80% of its operating capacity.

2 Answers  

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An automatic water heater is an example of which type of control system?

0 Answers   GE,

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WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers  

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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?

0 Answers  

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I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

0 Answers  

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how can 3phase motor speed can be controlled without vvf drive?

1 Answers  

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What type of input will the OLTC indicator will accept or what type of output the OLTC will produce to monitor it's position at remote location.

1 Answers   amps,

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what is short circuit force ? How to calculate it for Panel?

1 Answers   Bilt,

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What is the type of earth fault protection used in battery? explain.

0 Answers   PSEB,

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