1、产品选型表：

1. List of Models:

2、产品概述：

2. Overview

AMT-500系列电源快速切换装置通过实时监控电压、频率、相位等技术，快速切换工作电源和备用电源，保证在工作电源故障断电时，负荷能不断电连续运行。同时还具备有手动起动、失压起动、误跳起动等多种起动快速切换功能，提高了控制自动化水平。

By tracking voltage, frequency and phase in time, the AMT-500 series quick switch device (hereinafter referred to as “the Product”) can realize quick switch of in-service power supply and backup power supply, to ensure the uninterrupted power supply and running in case the in-service power supply has a fault. Besides, it improves the control automation level based on multiple quick switch functions, such as manual startup, voltage loss startup and mistrip startup.

适用于电厂、化工、冶金、煤炭等有较多电动机负荷，存在电动机反馈电压场合的电源切换。适用于各种化工、冶金等行业用户的电力系统主接线，不适用于单母线接线的工作电源和备用电源之间相互切换，还适用于单母分段接线的工作电源、备用电源和分段开关的多状态相互自适应切换操作。

The Product applies to the power switch in scenarios with a large number of motor loads and motor feedback voltage, such as power plant, chemistry, metallurgy and coal industries. It is also applicable to the main wiring for power system of users in industries such as chemistry and metallurgy, mutual switch of in-service power supply and backup power supply of single-bus wiring, as well as the multi-status and mutual-adaption switch of in-service power supply, backup power supply and segmented switches of single-bus segmented wiring.

3、产品功能：

3. Functions:

（1）切换基本功能，包括：快速同期切换功能、同期捕捉切换功能、残压切换功能、延时切换功能；

  (1)  Basic functions of switch include: Quick simultaneous switch function, simultaneous capture and switch function, residual voltage switch function and delayed switch function;

（2）切换闭锁功能：出现PT断线、开关位置异常、装置内部故障、外部保护闭锁、后备失电闭锁、切换退出任一情况、装置进行了一次动作后等情况，切换闭锁；

  (2)  Switch lockout function: The Product triggers switch lockout in case of PT breaking, switch position error, internal fault, external protection lockout, backup power loss lockout, switch exit and one action of device;
        （3）具有多种切换方式，包括：并联自动切换、并联半自动切换、串联切换、同时切换；

 (3)  It supports multiple switch modes, including parallel auto switch, parallel semi-auto switch, tandem switch and simultaneous switch;
        （4) 去耦合功能：切换过程中，如发现整定时间内，应该合上的开关已合上，但应该跳开的开关未跳开，装置将执行去耦合功能，跳开刚合上的开关，以避免两个电源长时间并列；

 (4)  Decoupling function: The Product will trigger decoupling function and trip off the closed switch if it has normal switching off but failed tripping in the setting time of switching process, to avoid long-term parallel switching of two power supplies;

 (5）后加速功能：为防止切换合闸合于故障，装置输出了“起动后加速”接点，用于起动配有后加速功能的保护，以加速切除故障。

 (5)  Post-acceleration function: The Product outputs the “Acceleration after startup” contact to provide post-acceleration protection after startup and promote troubleshooting, in order to avoid faults during switching.