DS200LPPAG1AAA  |   线路保护面板  用于保护、测量和控制电站对应间隔的功能

型号：DS200LPPAG1AAA

制造者 ：GE通用电气

说明书 ：GEI-100178型

产品类型 ：线路保护面板

功能缩略语/缩写： LPPA公司

系统输入电压： 200-600 伏交流电

组修订： GE系列

线路保护面板是电力系统中的重要组成部分，主要用于保护、测量和控制电站对应间隔的功能。以下是对线路保护面板的详细介绍：

主要功能：

保护功能：DS200LPPAG1AAA线路保护面板具有多种保护功能，如速断保护、限时速断、过电流保护、重合闸、过负荷、零序过流、低频减载、低电压、母线接地、PT断线等1。这些保护功能旨在确保电力系统的稳定运行，防止因电压不稳定或其他潜在危险导致的系统故障。

测量功能：线路保护面板可以测量电压的变化，使电压运行在稳定的状态中2。

控制功能：DS200LPPAG1AAA线路保护面板对电压的浮动范围进行合理控制，确保电力系统的安全稳定运行2。

结构和分类：

硬压板：这是保护柜内连接片之类的硬件设备，是保护装置与外部二次回路接线的桥梁和纽带。硬压板分为功能压板和出口压板。DS200LPPAG1AAA功能压板主要实现保护装置的功能，如差动保护、距离保护等，而出口压板决定了保护动作的最后结果。

软压板：这是指保护装置软件系统的某个功能的投退，可以通过修改保护装置的软件控制字来实现。与硬压板不同，软压板是程序，不是实实在在的物体。

应用场合：

DS200LPPAG1AAA线路保护装置主要应用于大型的变电站、发电厂等场所。这些场所的用电系统覆盖面积广泛，需要承受大容量的电压，因此容易出现电压不稳定的局面。线路保护面板的存在可以对庞大的用电系统起到实质性的保护作用。

Model: DS200LPPAG1AAA

Manufacturer: General Electric

Description: GEI-100178 model

Product type: Line protection panel

Functional acronym/abbreviation: LPPA Company

System input voltage: 200-600 volts AC

Group revision: GE series

The line protection panel is an important part of the power system, mainly used to protect, measure and control the function of the corresponding spacing of the power station 1. The following is a detailed introduction to the line protection panel:

Main functions:

Protection function: DS200LPPAG1AAA line protection panel has a variety of protection functions, such as quick break protection, limited speed break, overcurrent protection, reclossing, overload, zero sequence overcurrent, low frequency load shedding, low voltage, bus grounding, PT break, etc. 1. These protection features are designed to ensure the stable operation of the power system and prevent system failure due to voltage instability or other potential hazards.

Measurement function: The line protection panel can measure the voltage change, so that the voltage runs in a stable status2.

Control function: DS200LPPAG1AAA line protection panel can reasonably control the floating range of voltage to ensure the safe and stable operation of the power system2.

Structure and classification:

Hard plate: This is a hardware device such as a connection piece in the protection cabinet, and is a bridge and link between the protection device and the external secondary circuit. Hard platen is divided into functional platen and outlet platen. The DS200LPPAG1AAA function plate mainly realizes the functions of the protection device, such as differential protection, distance protection, etc., and the outlet plate determines the final result of the protection action.

Soft plate: This refers to the rejection of a certain function of the protection device software system, which can be achieved by modifying the software control word of the protection device. Unlike hard platen, soft platen is a program, not a physical object.

Application:

DS200LPPAG1AAA line protection device is mainly used in large substations, power plants and other places. The power system in these places covers a wide area and needs to withstand a large capacity of voltage, so it is prone to voltage instability. The existence of line protection panel can play a substantial role in protecting the huge power system.