(1) The function is different. An air switch is a kind of circuit breaker that maintains "something", which can maintain the safety of the entire household wiring and appliances, and avoid the overheating and burning of the wires. The leakage maintenance switch is a kind of circuit breaker for maintenance personnel, which can block the circuit in time when leakage is carried out to avoid the danger of electric shock.

1. Classification of switch operation organization At present, the switches we encounter are generally divided into many types, such as oil-rich type (old model, now you can't see it at all), oil-poor type (some user stations also have it), SF6, vacuum, GIS (combined electrical appliances) and so on. These are all about the arc extinguishing medium of the switch. ...

What is a Circuit Breaker? What is the function of a circuit breaker? How to choose the right circuit breaker in the work? The circuit breaker is what we often call an air switch. Just like a dam that controls the release of water, when the sluice gate is opened, the flow of water is continuous, and when the sluice gate is lowered, it blocks the flow of water. ...

(1) Ferromagnetic resonant communication regulator: a communication regulator composed of a full choke and a corresponding capacitor, with constant voltage voltammetry characteristics. The full type is a typical structure in the early stage of this type of regulator. It has simple structure, convenient production, wide allowable scale of input voltage, reliable operation, and overload energy.

1. Circuit breaker refers to a switchgear that can turn on, carry and turn off the current under normal circuit conditions and turn on, carry and turn off the current under abnormal circuit conditions within a regular time. According to the voltage of Delixi circuit breaker, there are high-voltage circuit breakers and low-voltage circuit breakers. Below 1kV ...

In the project, because of the 630 A circuit breaker wiring bar in the 500 kVA box-type transformer, see the second circuit breaker and circuit breaker on the left in the figure. The temperature of this corresponding region is significantly higher than that of the other two corresponding regions, and the other two phases are also hot, and the copper bars of this phase have turned white. There is no induction Deli ...

The spring is a widely used component in the circuit breaker mechanism, and the critical spring has a great impact on the function of the circuit breaker. From the perspective of energy, combined with the installation space of the tension spring, the author uses the existing accounting formula of the tension spring to solve the unknown quantity from the known quantity to obtain the required tension spring parameters.

1. What is a switching regulator? Switching voltage regulators, some people call it regulators, voltage regulator sources. Complete voltage regulation, is the demand control system (negative feedback), from the automatic control theory we know that when the voltage rises, it will be lowered through negative feedback, and when the voltage drops, it will be ...

Whether it is a linear regulator or a switching regulator, their daily protection must start from the following aspects: 1. Always observe whether the cooling fan and transmission organization of the voltage regulator are operating normally, check whether the input voltage and load exceed the rated scale, and deal with the abnormalities in time.

Most modern LDOs and switching regulators operate reliably under no-load conditions, and some older power devices require a minimum load to ensure stability, because one of the electrodes that needs to be compensated is affected by the payload resistance. For example, the LM1117 requires a load current of at least 1.7 mA (most ...

In general, every electrical device or device is designed for a wide range of input voltages. Depending on the sensitivity, the operating scale of the device is limited to a specific value, for example, some devices can tolerate ±10% of the rated voltage, while others can tolerate ±5% or less. ...

(1) Type selection. Depending on the application, select different circuit breakers. Circuit breakers are generally divided into power distribution, lighting, motor maintenance, thyristor maintenance and leakage maintenance. (2) Selection of the number of poles. It should be based on different installation environment conditions.

Application of air switches (circuit breakers). Delixi air switch, also known as circuit breaker. It is a switch that actively closes as soon as the current in the circuit exceeds the additional current. Air switch is a very important electrical appliance in the low-voltage distribution network and electric traction system.

Since its creation in the 1970s, which began as a patent for Zap Trap under the pleasant name, surge maintenance equipment (SPD) has become essential in many lightning protection systems (LPS). Surge maintainers are now used in electrical installations to avoid transient overpower ...

Many people don't know what a surge is, surge is also known as a surge or lightning protection maintainer, the first is to maintain the household electrical equipment when it rains and thunders to avoid being damaged by lightning, and when the lightning strikes high-voltage electricity is drained to the ground through the surge maintainer, it will not directly hit the electrical equipment ...

Electrical safety is not a trivial matter in modern society. Delixi communication contactors are used in homes, public places or commercial buildings. As a power device, its importance is self-evident. If you buy an unsuitable communication contactor, it will appear briefly in the future application process ...

Currently, there are many different switching regulator topologies. Some topologies are widely used, such as the classic buck converter, also known as the buck converter. However, there are also some lesser-known switch-mode DC-DC converters that include Zeta topologies. These topologies are divided into fundamental topologies ...

Delixi 3P air switch, rated current 630A, rated voltage 380V. The Icu=Ics=70kA of this circuit breaker. When the short-circuit current reaches 70kA, can the circuit breaker still be used? If it works, the ICU is already at its limit, which is a contradiction. If it can't be used, ICS is 70KA, which means ...

Voltage vf and v difference: The two have different meanings, vf on the battery represents the feedback voltage, while v represents the capacity of the battery, which is the unit of measurement of voltage. Lithium battery is a kind of battery with lithium metal or lithium alloy as the positive/negative electrode data and the use of non-aqueous electrolyte solution. ...

1. Pay attention to the maximum value of output current: this is a very critical parameter, the current used exceeds the maximum output current of LDO, then the voltage is unstable, and the system will fail. LDO limit parameters: The output current is considered according to the 2/3 criterion. The cost of the whole system ...

There are many types of three-phase communication regulators in Delixi, the most commonly used ones are SJW and SBW, etc., so we need to pay attention to the process of application: First of all, it must be operated correctly according to the instructions of the voltage regulator.