Arc Fault Circuit Interrupter (AFCI) and Ground Fault Circuit Interrupter (GFCI) are two different types of circuit breakers that have different functions and uses and cannot be used interchangeably. Here are the differences between them:AFCI (Arc Fault Circuit Breaker) Design purpose:AFCI is primarily used to detect and prevent arc failure, which is an electrical failure due to loose wires or connections that can cause a fire. An arc failure usually occurs when the insulation of a wire is damag

Common low-voltage power distribution system wiring diagram（Transformer trunk type）

Factors to consider when choosing a batteryWhen choosing a battery, we need to consider the following key factors:Battery typeBattery type is the primary consideration when choosing. Common battery types are lead-acid batteries, lithium batteries, nickel-metal hydride batteries and lithium iron phosphate batteries. Each battery has its own advantages and disadvantages, for example, lead-acid batteries are cheap but have poor battery life, and lithium batteries have a long service life and fast c

The use of Alternating Current Motor (AC Motor) instead of Direct Current Motor (DC Motor) in Electric vehicles (EVs) has some potential disadvantages. Although AC motors have many advantages, in some cases, using AC motors can present some challenges. Here are some of the main drawbacks:Higher cost Inverter cost: AC motors require an inverter (Inverter) to convert the direct current provided by the battery to alternating current. Inverters are expensive to design and manufacture, which increase

Common low-voltage power distribution system wiring diagram（Trunk type）

It is a common practice to parallel multiple batteries to increase the capacity of the inverter, but it does not directly increase the capacity of the inverter, but increases the overall energy storage capacity of the system. A few concepts need to be clarified here:What is the capacity of the inverter?The capacity of the inverter usually refers to the maximum output power it can provide, that is, how much direct current the inverter can convert into alternating current. The capacity of the inve

Compared with the Modified Sine Wave Inverter, a pure Sine Wave Inverter has obvious advantages in terms of output waveform quality and load adaptability. The following are the main advantages of pure sine wave inverters over improved sine wave inverters:The output waveform quality is higherTrue sine waveA pure sine wave inverter can produce a sinusoidal waveform that is almost consistent with grid power supply, which is the most ideal form of power supply for most electronic devices and househo

Common low-voltage power distribution system wiring diagram（emanant）

There is indeed a correlation between the size of the circuit breaker (which usually refers to its rated current, which is the number of amps) and its strength (which is its ability to protect). The size selection of the circuit breaker should be based on the specifications of the wires in the circuit and the expected maximum load current. Here's a detailed explanation:The relationship between circuit breaker size and strengthProtection abilityThe size (rated current) of the circuit breaker dete

Adding resistance to a circuit will have different effects on voltage and current, depending on how the resistors are connected (series or parallel). The effects of series and parallel resistances on voltage and current are explained below:Effect of series resistanceEffect of currentIn a series circuit, all components share the same current. Therefore, no matter how many resistors are in series in the circuit, the current through each resistor is the same. Increasing resistance does not change t