What exactly is the difference between a surge protector and a fuse? Can a fuse protect the electronic devices from lightning instead of surge protector?

But during the surge, the fuse will not blow if it is a longer duration and lower value )10 to 50%).

Edit 2024–10.

He then asserts :

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These are simplified answers to the original question, and does not change anything I wrote above.

An AC voltage/ current source, and an ac inductive load.

2024–10–11 [Bobby Sanchez Bobby Sanchez ].

Where did Noah build the Ark? Was it in a desert or near water?

Now when you have a certain ac resistance, then a current flows in a loop.

the problem then depends on "how fast does the fuse operate?".

One is “what exactly is in a ‘surge protector’ ? ”

As a Chinese, what disgusts you about the Chinese society today?

It’s been three xxx five werks, and there has been no response to my follow on query on his Commment to my answer.

This is 'the assistant's answer'

2024–10–14 [Omar Gharbi Omar Gharbi ]

Do many women shave their vaginas?

This is the picture of an electronic coil of wire wound around a core of magnetic material.

Here is a simplified AC power diagram.

but I think this circuit , shows a few more pieces.

Why is squid ink safe to eat, while skunk spray is not? What makes the two liquids different from each other?

It also is a device that limits the change in current flow.

He then describes Rainy Season and Lightning.

OK, this is Mohan Rajaratnam’s definition of a Surge suppressor.

Can anyone show a photo with a penis in their anus?

A circuit breaker is similar, but is resettable.

So combined with a device called a MOV or Metal-oxide-resistor, then forms the 3rd part of a “surge suppressor “.

Can the fuse protect the electronic devices from lightning instead of a surge protector.

Is there a stereotype that South Indians are physically strong and muscular compared to other regions of India?

There are two important concepts here.

2024–10–00 [ Ammar Mahdi ] Ammar Mahdi

Mohan forgets that a fuse is a one-time device, and needs to be replaced if it is tripped.

How should one handle an uninvited guest at a small, intimate wedding ceremony? Is it appropriate to ask them not to attend?

I post the exact comment here.

2024–10–10[John johnson John Johnson ]

2024–10–11 [Victor Olarewsju Victor Olarewaju ]

What's the biggest myth about illegal immigrants?

Is the question then , "why buy a surge supressor, if the fuse alone protects the electronic circuits from a lightning bolt?".

One

so, what happens?

Do women wear undies under leggings?

[image of Common-mode choke]

“ A surge suppressor is the one which is connected at the input supply so that when there is a sudden change voltage it bypasses thereby protecting the (circuit) and electronic components”

The MOV will conduct when the voltage exceeds 50% of line voltage.

Why is the US going after Canada after all? What is the reason for all this hostility?

(There is no concept of polarity, in the loop because the current changes direction 100 to 120 times a second (power frequency).

This is where the MOV conducts again, and dissipated the energy.

A fuse is a non-resetable over current circuit protector.

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At one ohm, the resistor has a maximum of 1 watt power.

What does a fuse do?

The bolt then partially travels down the line to your home.

Why do almost all vertebrates have tails, but not apes and frogs?

When the current is 200% of the rated value , it will “go open” (the link metal melts) and protect the device.

[old diagram got deleted by accident]

The third is lightning and “how it gets conducted into a home.”

This one hit behind the barn.

Upvotes:

Lightning arrestor is a spark-gap device, and can be installed anywhere. What is important, is that the wire is thick enough to withstand the lightning bolt and conduct the energy away from the building.

What is lightning?

First Sentence:

So, it’s possible that these devices from Trip Lite have addition suppression devices, these ones seem to be sturdy.

But… the neutral is now “floating” because of the 1 ohm resistance.

But it can get overloaded, and no longer works.

There are three different concepts here that are getting confused.

2024–09–27 [ Mohan Rajaratnam Mohan Rajaratnam ] . Thinks you can get free electricity from nothing : Mohan Rajaratnam's answer to Is it possible to generate free electricity at home using a magnet or other low-cost methods? If so, how does it work?

Once the voltage goes over 0.0650 volts, then this fact can be used to amplify the difference, and turn the circuit breaker off , furthur down the line. Essentially that is what a RCD/GFCI does, it compares the incoming current, to the outgoing current, and if the difference between the two currents is over 5mA, then it trips the circuit breaker.

He then describes the function of a fuse.

At least they know the answer if they wanted it.

In schematic diagrams this is the symbol for a fuse:

Fuses, on their own, then operate much slower than the MOV variable resistance, during the lightning strike.

eight

(Dc diagram shown, AC is similar).

For this case there are devices called Metal oxide varistors (MOV).

So, the voltage could go up to 500 volts, and the fuse will not open up.

This is a high voltage low current spike that comes down the line because of the power poles being struck, and the voltage suppressors activating on the primary side of the transformer.

a photo is worth a thousand words.

but this device (an Inductor) … impedes the rapid changes in the current.

There is no harm in having the surge suppressor along with the fuse in the circuit. The fuse will not open up until the current melts the link. This will take time, and in the interim, that jolt will get transmitted into the power supplies.

If the nominal power is 4,000 watts then the current at 230volts is 16 amps.

This is an electronic circuit designed to clamp voltages so that the Voltage Potential that appears at the outlet is never going to exceed the nominal value.

At the secondary, it is 1000 times less.)turns ratio). If it gets hit with a 100,000 volt bolt of lightning then the voltage arrestors conduct and clamp the voltage down to line voltage, ( but a small amount leaks down the line). This is the problem.

The other is “what does a “fuse” do?”

This is where this question deviates from being a 'generic' question, and becomes more specific.

And this is the problem alone. Is the power supply in the equipmemt designed with a lightning strike in mind? Some yes, others, no.

Barnstars:

“ A fuse is a device which protects the (circuit) against overload and short circuit.”

It seems Mohan does not understand the difference between a comment and an Answer.

This device then solves the entire problem.

so, the loop of wire then, when put together with another loop reduces the ‘noise’ on a power line.

P = e* I, so since I is 16 amps, then the voltage dropped is 1/16 volt or 0.0650 volts.

This is a photo where a lightning bolt took out a home's complete mains distribution box, and a lot of electronic gear as well.

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These devices are installed between the “hot” and “neutral” and protective ground.

2024–10–16 [ OO OLAOYE OYEBODE ]

Would individual surge supressors have save this equipment? most likely, since the surge supressor would take the jolt instead of the electronic components.

what exactly is a ‘surge’ protector?

“ … to protect building, lightning arrestor, is provided above building and directly connected to earth.”

Because the load is inductive, the current lags the voltage.(by a bit).