The equipment is wired for 250 amp 400 volt service. I need to know how many amps it would pull after using a transformer to step it down to 220v 3 Phase. If I use the general equation Watts = Volts X Amps I get 100,000 watts. If I plug that number into the equation using 220v I get 454.5 amps (100,000/220 = amps), which seems like far too much. To be able to charge a high voltage battery (~400V) from solar panels I need a dc-dc converter that can boost up the voltage from the low voltage system (~12V) to the higher voltage. The power needed is about 400W, or 1A at the output. Per IEC, the standard LV voltage is 230/400V 50Hz i.e. 230V 1-phase and 400V + N 3-phase. IEC motors are with 6 terminals brought out supplied with 3 external links. The windings are rated 400V. it would be suitable for SD starting or DOL starting at 690V when linked in Y formation. The motor at site is an IEC design with 400V 50Hz windings. So simply we will learn how to get 400V DC from 220V AC Mains. The Below Circuit is a simple rectifier circuit. This circuit simply rectifies the 220V AC from Mains to DC pulsating Voltage and then this pulsating DC viltage is then Filtered via a 470uF/450V electrolytic capacitor to reduce the Ripple present in the output of the circuit. 460V Delta primary (input) x 120/240 secondary (output). 3 phase, 50hz and 60hz available, dry type open and enclosed (Nema 1 - Rated for indoor use) available. Dry type distribution transformer. 460V Primary - 120/240 Delta Secondary (with center tap) kVA. Output Voltages. Well, what is the Line to-Neutral Voltage for this. It is 208 volts /1.732 which is 120 volts. The power is brought is as 208 volts 3 Phase and then the Line-to-Neutral Voltage will be 120 Volts. Each of the three Line-to-Neutral line will go to a part of the plant. When the lines were installed, the plant was divided into roughly 3 equal area Will 400 V three Phase system work with a supply of 380V three Phase. Power Distribution and Digital. Join experts & peers to learn, share and engage about the key trends of electrical distribution around safety, availability, efficiency and connectivity, as well as power standards & regulations. I'd imagine this is a fairly common thing though so any pointers would be appreciated. Basically i want to design a circuit that can use mains power anywhere (85-265v AC) and power a simple system with max power consumption of around 100mA. Requirements: 85-265v AC input. 3.3v +-5% DC output. 10-100mA current. Vay Tiền Nhanh Ggads.

how to get 400v from 230v