i have 3500 amp load and select current transformer and perches.how i calculate .please understand

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i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

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phase association of 3PH L&T static CT meter is wrong. means 1PH & 1 CT connected properly and other 2 voltage and CT's inter changed. what would be the impact in the reading?

3 Answers   KSEB,

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in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

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one hp 3phase motor what generate power factor

1 Answers  

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HOW WE WILL CONNECT THE PHASE CTS AND NEUTRAL CTS TO REF RELY

3 Answers  

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if one potential missing in energy meter , how much % slow the energy meter?

1 Answers   NTPC, SK,

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how much maximum load a 2 core (Single phase) 16mm aluminium wire can take ?

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why square root 2 is multiplied with line voltage in selection of LA ie 11/sqrtroot3=6.35 kv and it is multiplied with sqrt2 ie 6.35 KV*sqrt2=8.9 kv we will select 9kv.my question is why we are multiplying with sqrt 2?

1 Answers   KSPL,

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Explain principle of Soft-starter & how its working???

12 Answers   MAHINDRA,

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does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

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we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V

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