微机保护装置除了具有上述微机保护的优点之外，与同类产品比较具有以下特点：（1）品种齐全：微机保护装置，品种特别齐全，可以满足各种类型变配电站的各种设备的各种保护要求，这就给变配电站设计及计算机联网提供了很大方便。（2）硬件采用的芯片提高了技术上的先进性，CPU采用80C196KB，测量为14位A/D转换，模拟量输入回路多达24路，采到的数据用DSP信号处理芯片进行处理，利用高速傅氏变换，得到基波到8次的谐波，特殊的软件自动校正，确保了测量的高精度。利用双口RAM与CPU变换数据，就构成一个多CPU系统，通信采用CAN总线。具有通信速率高（可达100MHZ，一般运行在80或60MHZ）抗干扰能力强等特点。（4）软件功能丰富，除完成各种测量与保护功能外，通过与上位处理计算机配合，可以完成故障录波（1秒高速故障记录与9秒故障动态记录），谐波分析与小电流接地选线等功能。（5）可选用RS232和CAN通信方式，支持多种远动传输规约，方便与各种计算机管理系统联网。（6）采用宽温带背景240×128大屏幕LCD液晶显示器，操作方便、显示美观。（7）集成度高、体积小、重量轻，便于集中组屏安装和分散安装于开关柜上。
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微机保护与测控装置采用了国际先进的DSP和表面贴装技术及灵活的现场总线（CAN）技术，满足变电站不同电压等级的要求，实现了变电站的协调化、数字式及智能化。此系列产品可完成变电站的保护、测量、控制、调节、信号、故障录波、电度采集、小电流接地选线、低周减载等功能，使产品的技术要求、功能、内部接线更加规范化。产品采用分布式保护测控装置，可集中组屏或分散安装，也可根据用户需要任意改变配置，以满足不同方案要求。微机保护装置适用于110KV及以下电压等级的保护、监控及测量，可用于线路、变压器、电容器、电动机、母线PT检测、备用电源自投回路及主设备的保护、控制与监视。
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单元化的设计使其不但能方便地配备于一次设备，也可以集中组屏、集中控制。规范的现场总线接口支持多个节点协调工作，实现系统级管理和综合信息共适用范围随着科学技术手段的进步，和对适用环境更高要求，微机保护功能性也越趋完善。通用型微机综合保护装置可作为35KV及以下电压等级的不接地系统、小电阻接地系统、消弧线圈接地系统、直 接接地系统的各类各类电器设备和线路的保护及测控，也可作为部分66KV、110KV电压等级中系统的电压电流 的保护及测控。
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In addition to the advantages of microcomputer protection mentioned above, microcomputer protection devices have the following characteristics compared to similar products: (1) complete variety: microcomputer protection devices, with a particularly complete variety, can meet various protection requirements for various types of equipment in transformer and distribution stations, which provides great convenience for the design of transformer and distribution stations and computer networking. (2) The chip used in the hardware improves the progressiveness of technology. The CPU uses 80C196KB. The measurement is 14 bit A/D conversion. There are 24 analog input circuits. The collected data is processed by the DSP signal processing chip. High speed Fourier transform is used to obtain harmonics from the fundamental wave to the 8th order. Special software automatically corrects, ensuring the high accuracy of the measurement. By using dual port RAM and CPU to transform data, a multi CPU system is formed, and communication adopts CAN bus. It has the characteristics of high communication rate (up to 100MHZ, usually operating at 80 or 60MHZ) and strong anti-interference ability. (4) The software has rich functions. In addition to completing various measurement and protection functions, it can also complete functions such as fault recording (1-second high-speed fault recording and 9-second dynamic fault recording), harmonic analysis, and small current grounding line selection through cooperation with the upper processing computer. (5) RS232 and CAN communication methods can be selected, supporting various remote transmission protocols, and facilitating networking with various computer management systems. (6) Using a wide temperate background 240 × 128 large screen LCD display, easy to operate and beautiful display. (7) High integration, small size, and light weight make it easy for centralized screen assembly and dispersed installation on switchgear.
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The microcomputer protection and measurement and control device adopts internationally advanced DSP and surface mount technology, as well as flexible field bus (CAN) technology, to meet the requirements of different voltage levels in the substation, achieving coordinated, digital, and intelligent substation. This series of products can complete functions such as substation protection, measurement, control, regulation, signal, fault recording, electrical degree acquisition, small current grounding line selection, low cycle load shedding, etc., making the technical requirements, functions, and internal wiring of the product more standardized. The product adopts a distributed protection and measurement device, which can be centrally grouped or installed dispersedly. The configuration can also be changed arbitrarily according to user needs to meet different scheme requirements. The microcomputer protection device is suitable for protection, monitoring, and measurement of voltage levels of 110KV and below. It can be used for line, transformer, capacitor, motor, busbar PT detection, backup power automatic switching circuit, and protection, control, and monitoring of main equipment.
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The modular design not only makes it convenient to equip with primary equipment, but also enables centralized screen assembly and control. The standardized fieldbus interface supports the coordinated work of multiple nodes, achieving system level management and comprehensive information sharing. With the progress of scientific and technological means, and higher requirements for the applicable environment, the functionality of microcomputer protection is also becoming more and more perfect. The universal microcomputer comprehensive protection device can be used for the protection and measurement of various types of electrical equipment and lines in ungrounded systems, small resistance grounding systems, arc suppression coil grounding systems, and direct grounding systems with voltage levels of 35KV and below. It can also be used for the protection and measurement of voltage and current in some systems with voltage levels of 66KV and 110KV.
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