ATS48C17Q  | 系列软起动器 | 用于电动机平滑起动的装置

　　制造者: 施耐德电气

　　类型 : 系列软起动器

　　型号：ATS48C17Q

　　产品应用场景:异步电机

　　应用领域:重工业和泵

　　保证 ：1年

　　设备连接:至电机三角形端子 | 用电机电源线

　　ATS48C17Q 系列软起动器是一类专门设计用于电动机平滑起动的装置，其核心功能是在电动机启动时通过控制电压和电流，实现无冲击、平滑的起动过程，以减少对电网、电机以及机械系统的冲击和损耗。以下是对系列软起动器的详细介绍：

　　一、定义与功能

　　ATS48C17Q 软起动器是一种集电机软起动、软停车、轻载节能和多种保护功能于一体的电机控制装置。它能够实现整个启动过程中无冲击而平滑的启动电机，并根据电动机负载的特性来调节起动过程中的参数，如限流值、起动时间等。

　　二、类型

　　根据不同类型的负载和应用场景，软起动器可分为旁路型、无旁路型、节能型等类型。

　　旁路型软起动器：在电动机转速达到额定转速后，由旁路交流接触器代替软起动器为电动机提供额定电压，以降低软起动器的损耗，延长其使用时间。

　　无旁路型软起动器：在电动机进入正常运转状态后，不使用旁路交流接触器，而是继续通过软起动器为其提供额定电压。该类型软起动器常用于短时且重复工作的场合。

　　节能型软起动器：当电动机的负载较轻时，通过控制降低电动机的工作电压，从而减小电动机的电流励磁分量，提高电动机的功率因数，实现节能效果。

　　三、工作原理

　　ATS48C17Q 软起动器的主要构成是串接于电源与被控电机之间的三相反并联晶闸管及其电子控制电路。通过控制三相反并联晶闸管的导通角，使被控电机的输入电压按不同的要求而变化，实现不同的功能。在起动过程中，电动机的起动电流逐渐增大，直至达到设定值，从而实现平滑起动。

　　四、起动方式

　　ATS48C17Q 软起动器具有多种起动方式，包括斜坡升压软起动、斜坡恒流软起动、阶跃起动和脉冲冲击起动等。这些起动方式可以根据负载情况和电网继电保护特性进行选择，以实现最佳的起动效果。

　　五、特点与优势

　　平滑起动：减少起动电流对电网和电动机的冲击，延长设备使用寿命。

　　可调节性：根据负载特性和电网条件调节起动参数，实现最佳起动效果。

　　节能效果：节能型软起动器在轻载时降低电动机工作电压，提高功率因数，实现节能。

　　多种保护功能：具有过载保护、断相保护、过流保护等多种保护功能，确保设备安全运行。

　　Manufacturer: Schneider Electric

　　Type: Series soft starter

　　Model: ATS48C17Q

　　Product application scenario: asynchronous motor

　　Applications: Heavy industry and pumps

　　Guarantee: 1 year

　　Equipment connection: To the triangular terminal of the motor | with the motor power cord

　　ATS48C17Q series soft starter is a kind of device specially designed for the smooth start of the motor, its core function is to control the voltage and current when the motor starts, to achieve a non-impact, smooth start process, to reduce the impact and loss of the power grid, the motor and the mechanical system. The following is a detailed introduction to the series of soft starters:

　　Definition and function

　　ATS48C17Q soft starter is a motor control device which integrates soft start, soft stop, light load energy saving and various protection functions. It can realize the smooth start of the motor without impact during the whole starting process, and adjust the parameters during the starting process according to the characteristics of the motor load, such as the current limit value, starting time and so on.

　　Ii. Types

　　According to different load types and application scenarios, soft starters can be divided into bypass type, non-bypass type, and energy-saving type.

　　Bypass type soft starter: When the motor speed reaches the rated speed, the bypass AC contactor replaces the soft starter to provide the rated voltage for the motor, so as to reduce the loss of the soft starter and extend its service time.

　　Non-bypass type soft starter: After the motor enters the normal operation state, the bypass AC contactor is not used, but the rated voltage continues to be provided through the soft starter. This type of soft starter is often used for short and repetitive work occasions.

　　Energy-saving soft starter: When the load of the motor is light, the working voltage of the motor is reduced by control, so as to reduce the current excitation component of the motor, improve the power factor of the motor, and achieve energy-saving effect.

　　Third, the working principle

　　The ATS48C17Q soft starter is mainly composed of three opposite parallel thyristors and electronic control circuits connected in series between the power supply and the controlled motor. By controlling the conduction Angle of the three opposite parallel thyristors, the input voltage of the controlled motor can be changed according to different requirements and different functions can be realized. During the starting process, the starting current of the motor gradually increases until it reaches the set value, so as to achieve smooth starting.

　　4. Starting mode

　　The ATS48C17Q soft starter has a variety of starting modes, including ramp boost soft start, ramp constant current soft start, step jump start and impulse impulse start. These starting modes can be selected according to the load condition and the relay protection characteristics of the network to achieve the best starting effect.

　　5. Characteristics and advantages

　　Smooth starting: reduce the impact of starting current on the power grid and the motor, and extend the service life of the equipment.

　　Adjustability: Adjust the starting parameters according to the load characteristics and network conditions to achieve the best starting effect.

　　Energy-saving effect: energy-saving soft starter reduces the working voltage of the motor during light load, improves the power factor, and realizes energy saving.

　　Multiple protection functions: overload protection, phase break protection, overcurrent protection and other protection functions to ensure the safe operation of equipment.