How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

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what work will do diffrential realay DG set

0 Answers   IG Petrochemicals Ltd,

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sir, is there any ratio,this much of A.C volt is equal to D.C voltage

3 Answers  

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what happen if drive input fail momentry at 48.5 HZ frequency?

0 Answers  

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in GEAFOL Cast-Resin trnaformer of 11/.72kv which has tapping of 11550v,11250,11000,10246v in primary side. To obtain 700v. which tapping should be used of HV side as we have 11000v/720v tapping now .

1 Answers  

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KVAR Kilovolt-Ampere-Reactance

2 Answers  

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ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

0 Answers  

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State Maximum Power Transfer theorem.

0 Answers   ABB,

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HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

0 Answers  

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what is use of substation? Any book on how to instal or construction of substations?

6 Answers   Siemens,

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How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

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Capacity of circuit breakers all types

1 Answers   Megatron Solutions,

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