answersLogoWhite

0


Want this question answered?

Be notified when an answer is posted

Add your answer:

Earn +20 pts
Q: How can calculate cable size if power consumption of the machine is 74KW and voltage is 415V?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Continue Learning about Engineering

For 100kw which cable size is good and how to find out cable size?

100 kw is the power drawn by the load. to calculate the cable size you need to know the voltage. From that you can calculate the current. this decides the cable size. for example if the voltage is 400Volts then the current flowing in the circuit when the load is 100 KW will be 250 amps. (100,000/400). for 250 amps to flow with out causing excessive heating of the cable the cross sectional area of the copper cable should be 150 sq mm.for a round cross section the diameter will be roughly 15mm.


Calculate capacitance of electric cable?

Basic Telephony cable is manufactured with a built in capacitance of 0.084uF (microfarads) per mile on 22-24AWG (for example) wire. Basic cable length can be estimated with a voltmeter. Messuring the amount of voltage discharged when placing the wire to ground, discharging the stored voltage in the wire.


What is voltage grade of cable?

Voltage Grade of cables specifies the safe voltages which the insulation of the cable can withstand.


How do you calculate cable size for 50 hp?

just apply the formula :-p=v*i*cos(angle);now you have the power rating,load so in turn power factor so you can easily calculate the value of current.with the help of current you can chose the cable available in the market either the aluminum or copper wiresatendra.svnit@gmail.com


Does the device or cable determine the voltage on a slow cooker?

The voltage is always determined by the device. (in this case a slow cooker).However, having established what voltage to supply to the device, the cable must be suitable for the voltage used. Everything in the chain of power transmission, must be rated for the correct voltage. Cables, plugs, fuses etc.

Related questions

How do you calculate the cable size for a run of 30 meters?

to calculate the cable size of a run of 30 meters long you first will have to know the current of the appliance use the voltage drop formula V d = (mVxIxL)/1000 once the voltage drop is less than 2.5% of the nominal voltage, the cable should be upsize.


What would the cable size be for a 90 meter armoured cable with a 110 amp supply with a 330 amp start up?

To calculate voltage drop to size the wire, a voltage must be stated.


What is the cable size of 1600kVA transformer?

Cable size is determined by current. You did not provide the current, nor did you include the voltage so that we could calculate the current. Please restate the question, and include either the current or the voltage.


How you calculate voltage drops in a cable knowing resistance or impedance and line current in a 3phase system?

Ohm's Law - V = IR.


For 100kw which cable size is good and how to find out cable size?

100 kw is the power drawn by the load. to calculate the cable size you need to know the voltage. From that you can calculate the current. this decides the cable size. for example if the voltage is 400Volts then the current flowing in the circuit when the load is 100 KW will be 250 amps. (100,000/400). for 250 amps to flow with out causing excessive heating of the cable the cross sectional area of the copper cable should be 150 sq mm.for a round cross section the diameter will be roughly 15mm.


Calculate capacitance of electric cable?

Basic Telephony cable is manufactured with a built in capacitance of 0.084uF (microfarads) per mile on 22-24AWG (for example) wire. Basic cable length can be estimated with a voltmeter. Messuring the amount of voltage discharged when placing the wire to ground, discharging the stored voltage in the wire.


Will voltage drop over cable distance?

If the voltage is supplying any current through the cable, i.e. if there is any 'load' at the end, then the voltage will drop through the cable.


What effect does it have on the voltage drop in an electrical cable if the resistance of the cable is decreased?

It will decrease the voltage drop.


How do you calculate voltage drop in a parallel circuit?

The formula for a simple DC voltage drop across a cable is:VDrop = Vmeasured at the input of cable - Vmeasured at the output of cableThis formula may seem simplistic however keep in mind that the sensitivity, accuracy and resolution of measuring instrument instrument is what is really important.If you know the DC current flowing through the cable and the impedance of the cable then you can use Ohm's law. Vdrop = I R where Vdrop is the voltage drop across the cable in volts I is the current flowing through the cable in amperes R is the resistance of the cable in ohms.ADDITIONALCalculation of the voltage drop is given by the formula belowVoltage Drop (Volt) = [(mV/Am)/1000] * I * lWhere mV/Am = millivolt drop per meter per ampere of the cable(this information is given in the table based on IEE Wiring Regulation)I = Current in the cable (in Ampere)l = Distance of cable (in Metre)See related links below


What is voltage grade of cable?

Voltage Grade of cables specifies the safe voltages which the insulation of the cable can withstand.


What is an LT cable?

An LT cable is a low tension (or low voltage) cable.


How do you calculate appropriate circuit breaker in the circuit for ac voltages?

It is depending on : whether the ac power is 110 or 220 v , length of wire/cable from mains to CB(circuit breaker),diameter of wire/cable consumption of circuit ( How much watts the circuit consume) i.e load .. don't forget this relation I=V/R . where I= current (amps) , V=voltage & R= resistance also I=P/V where P is power in watts . note that less voltage or thinner wire may affect the real rating of CB