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Can a thyristor work as a circuit breaker?
A thyristor is primarily a very fast "switch-on" device and is not designed to be used as a "switch-off" device.A circuit breaker is primarily a "switch-off" device which is used to automatically break the flow of current from a source to a load whenever the amount of current exceeds the rated current value of the breaker.So, because a thyristor does not, all by itself, "open" a circuit, a thyristor cannot be used to work as a circuit breaker.NotesCurrent flow through a thyristor can only stop if - external to it - the current flowing through it gets reduced to below its minimum holding current or, of course, to zero, as would happen either:i) if the load was disconnected from it by a separate circuit breaker that is wired into the circuit between the thyristor and the load;orii) if the source was disconnected from it by a separate circuit breaker that is wired into the circuit between the supply and the thyristor.Further notesA thyristor is designed to close or "make" a circuit whenever:a) an appropriate value of trigger voltage is put onto its gateand then only if:b) the current from the source to the load can flow through it in its "forward" direction.One way of ensuring it automatically disconnects the load from the source is to use an alternating current supply and always "trigger" the thyristor so that it turns on during each positive-going part of each ac cycle.Then, whenever the ac supply voltage returns to zero at the end of each positive half-cycle (after which it goes into the negative half-cycle) the thyristor will automatically break any further flow of current.By using other electronic circuitry to determine exactly when the gate is triggered (earlier or later in each positive-going part of each cycle) the amount of power supplied to the load can be controlled very accurately.That is why the main application for thyristors is to provide a precisely controlled way too use alternating currents to allow varying amounts of power to be supplied to electrical loads.
What test would identify a short circuit in a lighting circuit?
earth continuity insulation resistance polarity
Why does wiring have rubber around it?
The rubber is insulation; it is to keep the wire from coming in contact with another wire, or grounded equipment, which would result in a short circuit.
What colour would a Smurf get if you strangled it?
Since it's already blue I think it would turn tan or red. Since it's already blue I think it would turn tan or red.
Which color of space appears to an astronaut?
White, or more of a sliverish colour if i would say it
Why would you color code a Thyristor?
The 3 wires on a Thyristor are colour coded in order not to connect the wrong wire to the incorrect part of the circuit. The three wires are called: anode (OV), cathode (output) and gate (input signal). Sorry I don't know the colours but I hope this helps.
How would you describe a door?
A door is a piece of rectangle wood with a handle that leads into different rooms when pushed or pulled and varies in colour.
What are the uses of insulation?
Without insulation the object would be completely useless
What biomolcule is insulation?
.Adipose tissue is an insulation. This is what you would call fat.
Why insulation resistance is given in mega ohm?
If it were less than a number of Megohms it would not be insulation.
Why do you have insulation?
If you didn't have insulation the inside of the house would always be just about the same temperature as the outside.
Can you give me a sentence with insulation?
An insulation material is one which separates one region from another. Common uses would be electrical insulation, thermal insulation, and acoustic insulation.
What kind of foam insulation would be best for an older home?
Our home is extremely cold in the winter. What type of foam insulation would be best to use in the attic?
What would have the best thermal insulation?
A thick mug.
Why not use an ohm meter to measure the leakage in wire insulation?
An ohm meter measures resistance in a circuit, not leakage in wire insulation. To measure insulation resistance or leakage in wire insulation, you would typically use a megohmmeter or insulation resistance tester, which applies a higher voltage than an ohm meter to test the integrity of the insulation.
What material would be safest to use as an insulator to use to cover electrical wires?
When selecting a material for an insulation factor it has to be balanced between flexibility and its insulation properties. Glass would be an excellent insulator but in the electrical field hard to pull through conduit and bending without damaging the insulation. Cross-linked polyethylene fits both the conditions for a wire insulation. The insulation has a high insulation factor plus the ability to bend without damaging the insulation and can operate in a 90 degree C temperature range.
What is an example of a anadiplosis?
An example would be: "Fear leads to anger. Anger leads to hate. Hate leads to suffering..."
