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best manufacturer for busbar for outdoor switchyard having double bus bar scheme, can any one share technical specification of busbar. 132kv voltage ?
1739I just purchased a 4 position cam switch to be used to operate a 3-speed blower motor. The motor is a 10 amp motor and has 3 wires that are used to control speed. The cam switch was rated at 660V 20 amps but when I received it, I noticed that it has AC-15 operational current rating (Ie) of 4/5 amps. If I am reading the label correctly. the 4/5 amps is related to 440v/220V (Ue). Other ratings are AC-3: 5.5A, AC2: 7.5A and AC-4: 1.5A. My questions are 1) Is it safe to use this switch with the motor I have 2) what is the difference between the 20 amp Ith ratting and the Ie operational ratings?
1765We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.
1676Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.
1780Question 34 – In the distillation of binary systems by Mc Cabe Thiele method, the equation for the line of top section is given by y = [ R / (R + 1) ] x + XD / (R + 1). 2 points on the line are (0.99, 0.99) and (0, 0.36). Find the reflux ratio of R and XD.
1 2538use 1:1.5:3 concrete footing size 9'9" *9'9" and square 12" and also trapezoidal 22" use of 4 columns. calculate how much amount f concrete use. and also tell me the details about course aggregate and fine aggregate and cement bags use .(note; 20mm coures aggregate use)
CMS,
1 3423Till how many days can we keep a cement bag without using? And on what conditions the cement will get spoiled?
4 5389please let me know , we have installed two separate motor for fire fighting system 1) 60 hp and 2) 15 hp the load is 74 AMPS and 20 AMPS then tell me the main power cable in Aluminum will be what thickness , the length is 225 mt from the main utility to fire pump house
1 2674
What is miniaturized satellite?
What are the factors influence the choice of an electrc drive?
how the calculation occurs if i want to mix 1cum of M50 concrete. please calculate every ingredients with detail calculation.
what is scale factor of proximitor & unit of the vibration.
how to apply b license to c license in tneb
Which are the top apps for you civil engineering?
Define drift current in a semiconductor.
Define what is the strongest metal?
Discuss in brief the methodology and considerations for the selection ofpropulsion system for a fighter aircraft?
Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com
trapozidal
What is wet corrosion and galvanic corrosion?
What are the different stages in fashion cycle?
What is the formula to calculate the size of Aluminium and copper cable?
can u send me ttq upto 2008 on my email id pooja_bora18@yahoo.com.sorry for the trouble.
