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Q: Convert 18 VDC to AC amps?

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There is no way that you can convert a 12 VDC relay to a 230 VAC relay. Most relays when needed, are purchased with the correct coil voltage that is needed for the project.

Sure. It is just a DC to AC power inverter. Just Google DC AC Inverter or Power Inverter. The most common variety is 12 VDC to 120 VAC because of automobiles. You'll have to match your power requirements with various models. 120 VDC doesn't seem to be a common supply voltage.

Take the number of VA and divide by the voltage, and that gives the current in amps.

The output of a current transformer is AC. Current transducers have added built-in circuitry to convert the AC current into a standard process output. It is DC, although it may be current or voltage. Some standard transducer output ranges are: * 0-10 VDC * 0-5 VDC * 0-1 VDC * 2-10 VDC * 1-5 VDC * 4-20 MADC Some transducers have selectable outputs via programming, switch or jumper settings, others have only one of the above outputs, and must be ordered with the one you need. Check the manufacturer's literature.

AC or DC?? If it is DC voltages, series the sources together. eg. + 1.5V - to + 1.5V - = 3 VDC. If AC you will have to find a transformer in that range, 1.5VAC primary to 3VAC secondary.

A 10-20 vdc power source is a low output power supply used for small devices like battery chargers, notebook computers, and appliances. They use AC power input to convert it into DC power.

An inverter is an electrical device that changes DC into AC. They are frequently used in automobiles to convert the 12 VDC from the cigarette lighter socket into 110 VAC.

Power supplies are need by many electronic devices for several reasons. Most devices need one or more DC voltages. Only AC power is available at a common household outlet.Power supplies, among other things, usually must convert AC power to DC power.AC = Alternating CurrentDC = Direct CurrentVDC = Volts of Direct CurrentComputers, for example, need a power supply to convert 120 VAC line power to 6 VDC, 9 VDC and possibly 12 VDC. You will understand this more fully once you get further into the study of things like trigonometry, the calculus, basic circuit design, etc.

P = V x A, POWER (watts) = VOLTS times AMPS But 1.5V AC is not a normal output

The 230 VAC has to be transformed down to 30 VAC and then rectified with a half or full wave diode bridge to change the voltage from AC to DC.

How to test a diode bridge ? Diode bridge is a device is used to convert an AC signals (say AC voltage) to DC output (say DC voltage). So, to test it, you can apply a AC voltage v = Vm Sin (wt) at its 2 inputs and measure DC output voltage Vdc.

Use a step down transformer (220 VAC to 24 VAC) and then use a rectifier of suitable rating and type to convert 24 VAC to 24 VDC.

AC power is electricially, a value that is expressed in watts and voltage is the electromotive force that combined with amps, makes up the formula to find watts. Watts is the product of Amps x Volts. W = amps x volts.

The v in vdc stands for volts. The dc stands for direct current. This is a voltage that you find in batteries and is not to be confused with AC which is alternating current which is the electricity in the utility grid that feeds your home electricity.

About 35 amps on a 110V circuit

9 amps would be the answer.

A resistor, by itself, can not convert DC into AC.

How do you convert the ac in a 1992 Chevy lumina

Yes, you can convert single phase AC into three phase AC with a phase converter.

1.9 amps

the answer is dc volts are rectified from ac volts and the amperage will be the same unless you account for the slight drop from the rectifier. dc volts from a battery have no relationship to ac volts. you can derive ac volts from a dc source using an inverter.

No, not unless there is a 115-volt power inverter to convert the 12 VDC to AC at the higher voltage. There are inexpensive inverters available to plug into a cigarette lighter outlet in a 12V vehicle system, but only for up to about 150 watts.

to convert ac to dc you will need a rectifier diode and a capacitor

A transformer cannot convert AC into DC.

A transformer is a device to convert high voltage AC to low voltage AC & vice-versa. It works on the principle of induction. Since induction occurs only in an AC supply, a transformer cannot work on DC.. So, it is not possible to convert DC supply to AC using transformer. You would need an inverter to convert DC to AC.