answersLogoWhite

0


Best Answer

By using step-down transformer

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How do you reduce a 230v ac transformer to produce 140v ac?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Continue Learning about Engineering

What happened if you connect 230V to secondary of transformer whose voltage rating is 230V to 18V?

if you drove the 18V winding with 230V the transformer would burn out, if it didn't catch fire first


Will using a transformer to convert 230V to 12V DC consume more energy than using a few capacitors and resistors without a transformer?

no, the transformer is much more efficient <><><> HOWEVER- a transformer only changes the voltage of AC current- it does not change it to DC. You will still need diodes or rectifiers. You can also use a motor/generator- a 230v AC motor turns a 12 v DC generator.


How do you go from 208v to 230v?

You need a step up transformer unfortunately. Buy an Ugly's book electrical reference book. They're great and there is a transformer chart in there that will list the proper size or Kva that you will need according to your amperage need.


Why the iron losses in a transformer is constant at all load prove that?

since the iron loss depends only on the volage and frequency,the supply volage is 230v ac.Hence iron loss is always constant


Hi I'm a barber. can i buy a transformer that can give an output of 120V and at 60HZ in England. Its for my clippers and trimmers. Is there such thing?

You can get a transformer that converts the UK's 230V power to 120V, but you cannot get a transformer that will convert from 50Hz to 60Hz. Often, US equipment can work, except that they will work hotter and less efficiently on the 50Hz power. Consult your clipper and trimmer documentation - you may find that it will work just fine on 50Hz.

Related questions

What happened if you connect 230V to secondary of transformer whose voltage rating is 230V to 18V?

if you drove the 18V winding with 230V the transformer would burn out, if it didn't catch fire first


Construct a circuit of 230v to 12v converter other than a transformer?

NO


How is 11kv convert to 230v?

The higher voltage it transformed to a lower voltage by the use of a step down transformer.


Convert 230v to 5v with out using transformer?

Why are you asking someone to do your homework for you? Ask your teacher.


Will using a transformer to convert 230V to 12V DC consume more energy than using a few capacitors and resistors without a transformer?

no, the transformer is much more efficient <><><> HOWEVER- a transformer only changes the voltage of AC current- it does not change it to DC. You will still need diodes or rectifiers. You can also use a motor/generator- a 230v AC motor turns a 12 v DC generator.


Can i use 12v -0-12v to 230v step up transformer to get more voltages let say 2000v?

If you exceed the rated voltage of your transformer, there is a high possibility that its insulation will break down and you will ruin that transformer.


How do you change 115v to 230v?

You need to use a 2:1 ratio transformer, with a capacity (in volt amperes) to match the load you have in mind.


Can you plug a 50hz 230v refrigerator to a 60hz 230v supply?

It is not advisable because the motor would run 20% faster which might produce damaging overpressure in the thermal circuit.


Can you run a 12v device off 13.8v?

Yes, if the device has a built in step down transformer. Think of it this way, the electricity in your household is a typical 230v. Mobile phones tend to use 6v of electricity. So when you plug your phone charger into the wall socket, 230v will run directly into that charger, through the cable and into your phone, typically blowing up the device or overloading it. That's why the charger has a transformer in it (a step-down transformer) which steps down the voltage from 230v to about 6-12v. So hopefully that explains your question. If not, try to eleaborate a bit more so i can possible help further. Thank you.


How do you go from 208v to 230v?

You need a step up transformer unfortunately. Buy an Ugly's book electrical reference book. They're great and there is a transformer chart in there that will list the proper size or Kva that you will need according to your amperage need.


Can a Diode be used on a battery charger?

ya. we are using diode in a battery charger to convert ac into dc. 230v dc is step down by using step down transformer


If a transformer has a 230v 500 turn primary coils how many secondary coils for 12v output?

Using Ns=(Np*Es)/Ep =(500*12)/230=26 turns