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Ankit Sharma Posted on Mar 02, 2023

What does maximum power mean in a transformer?

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Krupa Shah

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  • Posted on Mar 02, 2023
Krupa Shah
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In a transformer, maximum power refers to the highest amount of power that can be transferred from the primary winding to the secondary winding without causing damage to the transformer. The maximum power rating is determined by the physical characteristics and the insulation properties of the transformer.

The maximum power rating is usually specified by the manufacturer and can be used to determine the maximum load that the transformer can handle. If the load exceeds the maximum power rating of the transformer, it can overheat, and the insulation may break down, causing damage to the transformer.
The maximum power rating is determined by the size of the transformer and the amount of current that can be safely carried by the winding. The number of turns in the winding, the thickness of the wire, and the insulation materials used all affect the maximum power rating.

It is important to choose a transformer with a maximum power rating that is suitable for the intended application. Using a transformer with a lower power rating than required can result in poor performance or damage to the transformer while using a transformer with a higher power rating than required may be unnecessary and can increase the cost of the system.

In summary, the maximum power rating is an important specification to consider when selecting a transformer for a specific application. It indicates the maximum amount of power that the transformer can handle without being damaged, and selecting a transformer with an appropriate maximum power rating can help ensure safe and reliable operation.

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Most makers specify the transformer as a safety part which can only be replaced with a manufactures specified part. Contact them for the correct part. If you can't get one from them, then replacing it with a none recommended part, could pose a fire risk.
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What is Maximum Configurable Power

It is the maximum power the UPS can safely supply when on battery power. You should note the closer to Max power the shorter the UPS will be able to supply power. Time/power are inverse. i.e. as more power is drawn from the batteries, the shorter the time it will be able to supply power.
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I have a ML500TW timer transformer I don't believe they make it any mor can I replace it with a 600

Yes, use ML 600 with 5 year warranty.
Save receipt.
Copy following link for useful information about getting new power pack to last longer.
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

ML 600 will have 2 sets of ABC terminals.
Each terminal supports 300 watts.
Split lights between both sets of terminals.
Use 12 gauge wire. Maximum 75' length each wire.

If you need further help, Iā€™m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

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The transformer i have has a minimum wattage of 70 w and the maximum wattage of lights is 56w is this ok

Hi Richard,

I'm an electrician and can help you with this question. I'm not quite sure of your question as there is no mention of a dimmer - yet it is in the dimmer category. A transformer rated at 70W should be able to support 56W of lighting, as the lights represent 80% of the capacity of a 70W transformer. Your terminology is a bit unclear however.

Transformers are usually rated in VA, not watts - but if you've got one that says it is rated for 70 watts, this is generally the maximum power it will handle, NOT "minimum". I guess I would feel more comfortable knowing what the transformer is a part of and the type of lights / fixtures you're trying to use with it.

Some lamp types (fluorescent, and other types with a "ballast" or tansformer) are not supposed to be placed on a dimmer circuit - *unless* it is labeled specifically as usable on a dimmer circuit.

I am imagining that you are attempting to use a line voltage track and light fixtures that have a built-in transformer (making them low voltage lights really) on a dimmer, or some other arrangement whereby you "dim" the input of a transformer to control the brightness of the low voltage lights. Regardless of the wattage of the transformer or lights - doing so will create a fire hazard and should not be done. Transformers are designed to work at specific voltage and frequencies (60Hz) and should never be connected to a mismatched power source.

If I am missing your question, please provide a "bigger picture" of what you have and what you are trying to do.

I hope this helps & good luck!
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Halogen Electronic Transformers

The dimmer might be the issue. I assume you have it controlling the primary side power/the windings that otherwise carry mains power. You do not mention the capacity of the dimmer, nor the manner- PWM or AC Chopper with SCR or Triac devces.

The amount of

It might be the dimmer is either seeing too much of a load- if the dimmer is only rated for 40 Watts for example.

Or

The dimmer may not be seeing enough of a load.

The power rating of the dimmer will limit the amount of power that can be drawn through it safely, and assuming a maximum of 70 Watts output, the input not counting various losses, will be the same- it is a matter of RMS volts multiplied by Amps. So for example on a line transformer fo 120 VAC in the US, on a transformer that outputs 70 Watts with a 12 volt potential is nominally 10:1 for a turns ration. 70 Watts on the secondary at 12 volts, is only 5,834 Amps, but on the Primary at 120VAC, the current being drawn is 0.5834 Amps, and on Euro Standard and other parts of the world on 250 volts AC, is drawing 0.28 Amps.

Since the dimmer is likely set up to draw the power it needs to operate from the circuit itself, there may not be adequate current draw for it operate correctly. Adding a capacitor in parallel with the dimmer (because a nonpolarized capoacitor will pass AC current) it will increase the load the dimmer sees.

If a dimmer is rated for 500 Watts, that is all that is should see as a load, so if you are putting those transformers in parallel, you are limited to 7 only for matters of safety- calculate your loads as maximum loads to size wire correctly, etc.
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the current measured in ampere which depends upon the resistance . V/R=I{ohm's law} . as resistance is low , current becomes high . power supply gives that much current which circuit takes no fixed current transformer gives whatever current mentioned on the transformer .i.e., maximum current capacity of that transformer .
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Pls give me tha answer

The less the transformer is loaded the more efficient it is since the proportional heat loss is less.

Maximum efficiency would be achieved at the lowest load possible which is near zero.

This is a theoretical analysis -- not much practical use.

I would say that if you want to put a reasonable, useful load on the transformer and optimize the efficiency, only load it to half its maximum, or around 10,000 watts.
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The original power specs

As I search the internet I found out no replacement for this kind of the adaptor model number 090-02180-13, there are some people looking for this kind of adaptor is a faulty a pervasive problem with the TV. There are literally hundreds of complaints on the internet. Most deal with a faulty AC Adaptor and the inability of the company to provide a replacement part.
I have a solution for this adaptor problem we better improvised the parts inside. The faulty parts of this adaptor arise in the transformer. This transformer is easily to burnt because of lower amperage. So we make it higher amperage so it can resist the load heat and cannot burnt easily.
Maybe you can do this for yourself, open the adaptor case, when open already look for the transformer, the visual picture of transformer is a bulky metal with many windings. Take this out and bring it to electronic shop that know how to rewind a transformer. Tell them to reworks or rewind the transformer, only the output voltage will be change input is the same. This is the

NEW SPECIFICATION:
  • INPUT 100-240 V
  • OUTPUT + 24VOLT DC AT 12 AMP
  • 12VOLT AT 6 AMP.
This is the result of new specification when the reworks or rewind is finish ,put it back to the adapter box,and then you can use it.This is higher amperage I mean it to you before,it can resist overheating.If ever happens that you can't find in your place know how to do reworks of the transformer here in philippines i do the rewind or reworks of the transformer ,but the problem is.very far to your place it needs shipment to carry this out .I price you 120 dollars including shipment and i assure it to you that adaptor will last long because of higher amperage .
When i search i found a site that can make an ac adaptor only you give the new specification and give where you are using the adaptor give the brand name PLTV-32 and they will make it..try this option also ..LCDPAYLESS.COM
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