3 Phase Power Cable Size

Formulas used in calculator.

3 phase power cable size.

Sir we need 70kva power for our office. Voltage enter the voltage at the source of the circuit. A three wire three phase circuit is usually more economical than an equivalent two wire. For motors it is recommended to multiply the nameplate fla by 1 25 for wire sizing.

Wire size chart single phase wire size chart three phase motor rating cicuit size fuse size full load amps copper wire size volts hp kw 12 10 8 6 4 2 0 00 000 0000 250 300 350 400 500 600 120 1ø 1 4 20 10 5 8 0 186 291 464 692 1171 1863 2350 3737 4715 5942 7492 1 3 20 10 7 2 0 246 230 365 546 924 1471 2338 3721 4691 5914 7457 8811. Calculate another variables used things that need to be taken into consideration before computing the cable size and voltage drop. The number of cores in the cable. I have a motor of pump to be installed at site.

It is also used to power large motors and other heavy loads. The total cable length is about 130m. Select a cable size or select auto. Ignore the neutral and earth conductor in three phase cables.

I have an issue with cable sizing. 3 phase 5 wire to be taken. Sir i have lode 132 kw three phase witch size mm cable proper work. There are several factors that must be considered before determining the proper size wire to select for an application.

From table 430 150 they draw 40 amps 14 amps and 3 amps respectively. The motor power rate is 55kw 3 phase 380volt. Three phase electric power is a common method of alternating current electric power generation transmission and distribution. The figure we would plug into the calculator would be.

Amperes enter the maximum current in amps that will flow through the circuit. Single phase voltages are usually 115v or 120v while three phase voltages are typically 208v 230v or 480v. It is a type of polyphase system and is the most common method used by electrical grids worldwide to transfer power. Wire sizing selection tables.

Items you must consider are. 40 x 1 25 14 3 50 14 3 67 amps. The type of insulation. What is the aluminum cable sizing for a 150 kw three phase load 415 volt 0 8 power factor and 6 voltage drop.

Thanks and best regards rachmad buchari. Single phase 230 volts 230 1 60 three phase 208 volts 208 3 60 three phase 230 volts 230 3 60 three phase 460 volts 460 3 60 warning. 1 phase kva volts x amps 1000 1 phase amps kva volts x 1000 3 phase kva volts x amps x 1 732 1000 3 phase amps kva volts 1 732 x 1000. What is the minimum cable size to be used.

Generally there are two phases single phase or three phase.