triac

简明释义

英[ˈtraɪæk]美[ˈtraɪæk]

n. 三端双向可控硅开关元件

英英释义

单词用法

同义词

反义词

例句

1.Control electric box or circuit board with contactor, relay, or triac that switches to the compressor.

要切换到压缩机，可以通过电流接触器开关，继电器或者双向可控硅来控制电流盒或者电路板。

2.Many will simply decide to create a non-dimmable or TRIAC dimmable LED fixture and win on cost.

很多公司选择了直接推出不可调光或TRIAC调光LED照明器具，从而抢占成本先机。

3.This paper presents a method of converting running and starting capacitor by a triac circuit.

提出一种运用双向晶闸管电路改变单相电容电机启动与运行电容的方法。

4.The contact and the gas valve are controlled by phototriac and triac.

用光耦和双向晶闸管控制接触器和电磁阀。

5.Drag onto the page to add a thyristor, bi-directional triode-type, triac-gated switch.

拖到绘图页后，可以添加可控硅、三端双向可控硅开关、三端双向可控硅门开关。

6.Control electric box or circuit board with contactor, relay, or triac that switches to the compressor.

要切换到压缩机，可以通过电流接触器开关，继电器或者双向可控硅来控制电流盒或者电路板。

7.A triac can be found in many household appliances for controlling power.

在许多家用电器中都可以找到triac以控制电源。

8.In heating applications, a triac can regulate the power delivered to electric heaters.

在加热应用中，triac可以调节电力传递给电加热器。

9.When designing a speed controller, integrating a triac is essential for efficient operation.

在设计速度控制器时，集成triac对于高效运行至关重要。

10.The circuit uses a triac to switch on and off the motor based on temperature.

该电路使用triac根据温度开关电机的开和关。

11.The triac is commonly used in light dimmers to control the brightness of lamps.

在灯光调光器中，triac通常用于控制灯泡的亮度。

作文

In the world of electronics, there are numerous components that play crucial roles in the functionality and efficiency of devices. One such component is the triac, which is widely used in various applications, especially in controlling power. A triac (三端可控硅) is a type of semiconductor device that can conduct current in either direction when it is triggered. This unique ability makes it particularly useful in AC (alternating current) applications, where the current flows in both directions. The triac is often employed in light dimmers, motor speed controls, and heating control systems, showcasing its versatility and importance in modern electronic design.The operation of a triac can be understood through its structure and function. It consists of four layers of semiconductor material, forming three junctions. When a voltage is applied to the gate terminal of the triac, it allows current to flow between the main terminals, effectively turning the device on. Once the triac is activated, it remains in the conducting state even if the gate current is removed, as long as there is enough current flowing through it. This latching behavior is essential for many applications, allowing for efficient control of electrical loads.One of the primary advantages of using a triac is its ability to handle large amounts of power with relatively low control signals. This feature is particularly beneficial in applications like light dimming, where the triac can adjust the brightness of a light bulb by controlling the amount of power delivered to it. By varying the phase angle of the voltage applied to the triac, one can achieve smooth transitions in brightness without flickering, enhancing the user experience.Moreover, triacs are also utilized in motor control applications. For instance, in fan speed controllers, a triac can modulate the power supplied to the motor, allowing users to select different speeds. This capability not only improves energy efficiency but also extends the lifespan of the motor by reducing wear and tear associated with high-speed operations.However, while triacs offer many benefits, they also come with certain limitations. One major drawback is their sensitivity to noise and voltage spikes, which can cause unintended triggering. Therefore, proper circuit design and protective components are necessary to ensure reliable operation. Additionally, triacs may not be suitable for applications requiring precise control, as their switching characteristics can vary based on temperature and other environmental factors.In conclusion, the triac is an essential component in the realm of electronics, providing effective solutions for power control in various applications. Its ability to conduct current in both directions, combined with its capacity to handle significant power loads, makes it invaluable in devices ranging from simple light dimmers to complex motor controllers. As technology continues to advance, the role of the triac will likely evolve, further enhancing its importance in modern electronic systems. Understanding the principles and applications of the triac is crucial for anyone involved in electronics, as it represents a fundamental building block in the design of efficient and effective electrical devices.

在电子世界中，有许多组件在设备的功能和效率中发挥着至关重要的作用。其中一个组件是triac，它在各种应用中被广泛使用，特别是在控制电力方面。triac（三端可控硅）是一种半导体器件，当被触发时，可以在任意方向上导电。这种独特的能力使其在交流（AC）应用中特别有用，因为电流是双向流动的。triac通常用于灯光调光器、电机速度控制和加热控制系统，展示了它在现代电子设计中的多样性和重要性。triac的操作可以通过其结构和功能来理解。它由四层半导体材料组成，形成三个结。当施加电压到triac的门极时，它允许电流在主端子之间流动，有效地将设备打开。一旦triac被激活，即使门电流被移除，只要有足够的电流流过，它仍然保持导通状态。这种锁存行为对于许多应用至关重要，允许高效控制电气负载。使用triac的主要优点之一是它可以处理大量电力，同时只需相对较低的控制信号。这一特性在灯光调光等应用中尤为有利，在这些应用中，triac可以通过控制提供给灯泡的电力来调节亮度。通过改变施加到triac上的电压的相位角，可以实现亮度的平滑过渡，而不会出现闪烁，从而增强用户体验。此外，triac还用于电机控制应用。例如，在风扇速度控制器中，triac可以调节供给电机的电力，使用户能够选择不同的速度。这种能力不仅提高了能效，还通过减少高速操作相关的磨损和撕裂，延长了电机的使用寿命。然而，虽然triac提供了许多好处，但它们也存在某些局限性。一个主要缺点是它们对噪声和电压尖峰的敏感性，这可能导致意外触发。因此，需要适当的电路设计和保护组件，以确保可靠操作。此外，triac可能不适合需要精确控制的应用，因为它们的开关特性可能会根据温度和其他环境因素而变化。总之，triac是电子领域中的一个重要组件，为各种应用中的电力控制提供有效解决方案。它在两个方向上导电的能力，加上处理重大电力负载的能力，使其在从简单的灯光调光器到复杂的电机控制器的设备中不可或缺。随着技术的不断进步，triac的角色可能会不断演变，进一步增强其在现代电子系统中的重要性。理解triac的原理和应用对于任何参与电子学的人来说都是至关重要的，因为它代表了高效和有效电气设备设计中的基本构建块。