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The reasons for the old tripping are as follows:1. The tripping caused by the short circuit of the electrical appliances can be checked one by one, and the damaged electrical appliances can be repaired to solve the problem;
2. The circuit load is too large, when multiple electrical appliances are used at the same time, it will cause overload, and the meter switch will automatically trip, and you can buy a higher power meter;
3. Voltage instability, voltage instability is very common, and only need to buy a voltage regulator to solve it.
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Tripping, that is, the automatic disconnection of the air switch, is divided into 2 situations:
1.Short circuit, due to the aging of the wire, or the human accident to connect the live wire and the neutral wire directly together without passing through the load.
Phenomenon: instantaneous tripping, that is, as long as there is a short circuit, the air will be automatically disconnected at the first time.
2.Overload, due to the advent of summer, too many household appliances, and the load of the air switch and the wire diameter of the wire is too thin, resulting in the air opening due to overload and disconnection.
Phenomenon: Delay, tripping after 5 minutes of electricity.
Reason: You can look at high-power electricity: electric kettle, air conditioner, whether you have turned on a few air conditioners, induction cooker, garment steamer, vacuum cleaner, these are all high-power household appliances. If you open it together, the line will trip if it can't stand it.
Workaround:1. You can properly turn off a few appliances that are not urgently needed.
2.** If the wire diameter is not enough, and you want to replace, then the wire is thicker, and the air is larger. Find an electrician to help you figure out how big it is.
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Here's why:1. It may be that the connection of the leads of each pile head in the electric brake is not firm, resulting in a short circuit of the line and causing tripping;
2. It may be that the household electrical load is greater than the rated current of the circuit breaker;
3. It may be that the electrical switch trips due to leakage or short circuit of electrical appliances or lines.
The principle of electric switch trippingThe reason why the electric switch trips is to play a protective role, because the line with excessive voltage is very dangerous, if people touch the leakage place, an electric shock accident may occur, so the electric switch will trip itself to cut off the power supply. Then its principle is that when the voltage is too large, the output current is greater than the input current, there will be an induced voltage formed, once the induced voltage is formed, the force that pushes the electric switch will appear in the fine structure of the electric switch, so that the switch trips.
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The electric switch is always the reason for tripping:1. Short circuit of the load lineIf there is a short circuit in the circuit in the user's home, the circuit in the home will trip immediately within a short time after the electrical appliance is turned on, and it will not be able to send power to the electrical appliance at all.
2. Load leakage.
If there is a leakage phenomenon in the electrical appliances in the user's home, and there is a distribution box installed with PZ30 at home, then when the electrical appliances leak, the circuit at home will naturally trip, and the distribution box of the PZ30 distribution box will generally be equipped with a leakage switch, and when the electrical appliances leak, the circuit at home will naturally trip. At this point, the appliance should be discontinued.
3. Poor installation.
If the connection between the various leads is not firmly installed when the circuit is installed at home, then the lead will oxidize and heat up after the circuit is used for a long time, resulting in the phenomenon of tripping the air switch. At this point, the connections between the individual leads should be reconnected and securely connected.
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<> "1. What is the reason for frequent tripping.
1. The wire is not firmly connected and loosens, resulting in tripping.
2. The household electricity load is too large to bear, resulting in frequent tripping.
3. The household electric sensitive stool has leakage and short circuit, resulting in tripping.
Second, how to solve the circuit tripping.
1. Find out the reason for the circuit tripping and find the leakage protector, which is generally larger in size and smaller in air switch. After figuring it out, press these two switches at the same time, and then push up one button at a time, and the first thing to push is the leakage protector.
2. If the leakage protector can't be pushed up, it means that the leakage protector is faulty, and the leakage protector needs to be replaced. If the protector is pushed up and there is a rough jump, it means that the line has a bridge problem.
3. If the air switch can't be pushed, you need to pull out all the plugs in the room, if you still can't push it up, it means that you need to plug the circuit neutral line and ground wire away from the bus, and check whether there is leakage in the live wire.
4. Use the electricity meter to test whether the circuit has a power transmission phenomenon, if there is a high-power electrical appliance, the ground wire and the neutral line will not have a power transmission phenomenon.
As for the reasons for frequent tripping, I hope it helps after reading it.
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The three reasons for tripping are as follows:1. Household appliances are too heavy and higher than the rated load, this kind of trip is overload protection tripping, and the electrical device can be reduced.
2. Some electrical appliances in the home are grounded and tripped due to leakage protection. When an electrical appliance is turned on and tripped, it should be checked first whether there is a suspicion of leakage, or the load of high-power electrical appliances has accumulated to a higher than the rated load.
3. Detect whether the equipment is leaking can turn off other electrical appliances, open the equipment separately, if it is opened normally, it means that the equipment does not leak, if it also trips, it means that the fault is due to this equipment.
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Hello dear, we are looking for exquisite answers for you, please be patient for a while.
Hello, there are two possibilities, both of which are caused by the current generated by electromagnetic induction: 1. Leakage protective tripping. The safety regulations stipulate that the leakage protection switch must be installed in the home and general commercial and office places, and the principle is that when the difference between the live wire current and the neutral line current is greater than the preset threshold, the leakage protector will be disconnected from the power grid and tripped.
In the event of lightning, if the induced current causes the live wire current to be unequal to the neutral wire current or simply causes the leakage switch itself to malfunction, then it is tripping, and in this case it will not be accompanied by damage to the electrical appliance. 2. Protective tripping of current limiting caused by overcurrent. If the lightning discharges directly to the grid or discharges to the ground at very close range, it will produce a strong transient high current in the power grid, which can cause overcurrent protection tripping, and at the same time, electrical equipment lacking bypass discharge protection devices can easily be destroyed by high voltage and high current in this case.
Hello dear, I hope the above is helpful to you, if you think my answer is okay, help me like it, thank you.
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1. Poor installation. The lead wires of each pile head are loose, which causes the pile head to overheat, burns out the insulation layer, and emits sparks and burnt smell, resulting in undervoltage of the line and tripping of the air switch.
2. The leakage switch is inconsistent with the load. If the load of household electricity is greater than the maximum current of the circuit breaker, there will be tripping and other phenomena. Therefore, many families will replace high-power air switches after installing high-power appliances such as air conditioners and water heaters.
3. Leakage and short circuit of electrical appliances or lines. When there is leakage of electrical appliances, unplug in time, and then close the circuit breaker to send power. In addition, after the circuit breaker trips, all the branches should be disconnected first, and then closed one by one.
4. The incoming voltage of the power supply is too high. When there is an abnormal three-phase voltage, three things should be done, see if the two lines are electrified; Second, see if the neighbor has electricity; Third, the voltage test of the incoming line should be carried out, and the circuit breaker should not be forcibly closed to avoid fire and other phenomena.
5. There is a problem with the quality of the leakage circuit breaker. When the circuit breaker trips, the leakage tripper should be checked first to see if it is sensitive, and then see if the circuit breaker can be closed in the no-load state, if not, the leakage circuit breaker is faulty and needs to be replaced with a new product.
6. The wiring of the leakage circuit breaker is wrong. When the circuit breaker wiring is wrong and trips, it is necessary to check whether the phase wire is connected to the front of the circuit breaker, resulting in the subload not passing the circuit breaker, resulting in the circuit breaker n line current is greater than the phase line current, and finally leads to tripping.
7. The N wire and PE wire on the socket are reversed. If the N wire and PE wire on the socket are reversed, it will become a zero-sequence current, which will cause tripping.
The above is the reason for the frequent tripping for you analysis, I believe you have a certain understanding of this, I hope to help you.
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Frequent tripping is a kind of self-protection of circuits with relatively large electrical power, circuit breaker or air switch load safety is relatively small, or it is an open circuit caused by the aging of some lines. Check whether the circuit or socket is aging, and replace the larger circuit breaker protector and air switch.
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Tripping is a frequent occurrence in daily life. There are several reasons for this. First.
The use of equipment electrical, the load is too large, and the square number of electrical lines and wires is too small. The second reason. Some of the equipment is not overhauled.
Caused by a short circuit. The third reason. Air switch or switch.
of ratings. The amperage of current is too small. Not satisfied.
Normal use of electrical equipment.
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Tripping generally has the following reasons: 1. The load is too large, causing overcurrent tripping; 2. The line current increases due to poor insulation of some lines; 3. If the tripping is a leakage switch, it means that there is leakage in the power line or electrical appliances. Have a professional inspect the repair.
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1. There is a problem with the air switch, and it is easy to trip all the time.
2. Check the electrical appliances at home again, some electrical appliances are relatively powerful, or at the same time, a lot of high-power electrical appliances are used.
3. Check whether there is leakage or short circuit in the line.
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What causes frequent tripping? There are several reasons for this. First, the power of the electric switch is small. Second, it may be because there is a virtual connection of the power supply. The third is several reasons such as electrical leakage. will cause frequent tripping.
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Poor installation leads to loose leads, overheating of pile heads, and undervoltage of lines, resulting in tripping.
The leakage switch is not consistent with the load, and when the electrical load is greater than the maximum current of the circuit breaker, there will be problems such as tripping.
Leakage and short circuits in electrical appliances or lines can also cause circuit breakers to trip.
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The reason for frequent tripping is that the insurance is too fine, and it is necessary to change the capacity to be larger, at least more than 20A, because now there is more electricity for household appliances such as air conditioners, refrigerators, washing machines, etc., so it is necessary to change the large-capacity fuse box.
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Incoming air switches often trip for the following reasons:
1. If the overload exceeds the limit current of the air switch, the power supply will be automatically disconnected;
2. The air switch with leakage protection function, if the leakage current exceeds the limit current, the power supply will be automatically disconnected;
3. If there is a problem with the air switch itself, it will also automatically disconnect the power supply.
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The landlord can replace the air switch or the switch, if there is no problem, then the electrical current used by the landlord is too large, or there is a short circuit in the circuit. The air switch always trips, please don't be careless to avoid unnecessary losses.
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What causes frequent tripping? Sometimes it's because the line is short-circuited, and some it's because it's beyond the power consumption. These are all causes of tripping.
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First of all, it is necessary to figure out whether the cause of the trip is caused by overcurrent or leakage, and then the right medicine is prescribed.
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Why do you trip at every turn? What are the causes of tripping? Here's what the old electrician had to say.
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There is electricity on the electric switch at home, but all the electrical appliances in the home are out of power, which may be tripping or line failure. All electrical appliances are out of power, indicating that the problem is in the distribution box. Measure whether the output switches of the distribution shelter box have electricity, because all the electrical appliances are out of power, measure whether the output of the main switch has electricity.
Trip principle:
Tripping refers to the sudden breaking of the electric switch. Tripping is to protect people and electrical appliances. After troubleshooting, the reset button must be pressed down to restore the power switch to its original position. There are generally two reasons for tripping:
1) Overload. The power consumption is too large or there is a short circuit, and the protection device of the electric brake trips.
2) There is leakage of electrical appliances or lines, or people touch electricity, and the current is directly into the ground without the zero line, and the electric switch senses the leakage and the protection device trips.
The operating principle of the leakage protection switch is: there is a main winding and a secondary winding on an iron core: the main winding is divided into two windings, one of which is the input current winding and the other is the output current winding.
When there is no leakage, the input current and the output current are equal, and the vector sum of the two magnetic fluxes on the core is zero, and the electric potential will not be induced on the secondary winding, otherwise there will be an induced voltage formation on the secondary winding, which will be amplified to push the actuator and trip the switch.
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