产品概述 Product description

PSTN-PQM100+高端智能电表采用全新的双核架构，以32位浮点ARM和DSP为核心，实现了高密度、高精度监测电压、电流动态特性，针对供用电系统局部异常或局部故障，准确的记录大量的波形信息及事件信息，帮助快速诊断与分析故障。

全电量测量和0.2S级高精度电能计量、定时记录、分时计费及电动机启动监测等功能。

丰富的电能质量监测功能、满足电能质量监测A级标准；准确的故障诊断及分析功能，快速诊断事故发生源、故障源方向、故障源的位置，保障用户供用电系统的安全、可靠运行。

全面的电能质量监测与分析，依据国家电能质量标准对电压偏差、频率偏差、电压波动和闪变、三相电压不平衡度、谐波等进行监测与分析，最高可监测 次谐波/间谐波。

PSTN-PQM100+故障诊断与分析，准确判断引发电压暂降的扰动发生在用户侧或者系统侧，确定电压暂降源的位置，公平合理的解决暂降源事件引发的争议和纠纷。

在一些公共连接点或者用户内部一些关键的母线安装PSTN-PQM100+，可帮助用户快速诊断谐波源，了解谐波畸变程度，判断系统侧和用户侧主要谐波源。

每次暂升/暂降、电压短时中断都可以启动故障录波、RO报警等功能，并进行记录，通过进行特征值分析与对比，进行局部故障的诊断与定位。

实时监测三相不对称情况，协助用户进行不对称源的诊断，并对用户调整负荷结构提供数据依据。

The PSTN-PQM100+high-end smart meter adopts a new dual core architecture, with 32-bit floating-point ARM and DSP as the core, realizing high-density and high-precision monitoring of voltage and current dynamic characteristics. It accurately records a large amount of waveform information and event information for local abnormalities or faults in the power supply and consumption system, helping to quickly diagnose and analyze faults.

Full power measurement and 0.2S level high-precision energy metering, timed recording, time-sharing billing, and motor start-up monitoring functions.

Rich power quality monitoring functions, meeting the A-level standards for power quality monitoring; Accurate fault diagnosis and analysis function, quickly diagnose the source of accidents, the direction of fault sources, and the location of fault sources, ensuring the safe and reliable operation of user power supply systems.

Comprehensive monitoring and analysis of power quality, monitoring and analyzing voltage deviation, frequency deviation, voltage fluctuation and flicker, three-phase voltage imbalance, harmonics, etc. in accordance with national power quality standards, with the highest possible monitoring of subharmonics/interharmonics.

PSTN-PQM100+fault diagnosis and analysis accurately determine whether the disturbance causing voltage sag occurs on the user side or system side, determine the location of the voltage sag source, and fairly and reasonably resolve disputes and controversies caused by voltage sag events.

Installing PSTN-PQM100+at some public connection points or key busbars within users can help users quickly diagnose harmonic sources, understand the degree of harmonic distortion, and determine the main harmonic sources on the system and user sides.

Each time there is a temporary rise/fall or a short-term interruption in voltage, the fault recording and RO alarm functions can be activated and recorded. By analyzing and comparing characteristic values, local faults can be diagnosed and located.

Real time monitoring of three-phase asymmetry, assisting users in diagnosing asymmetric sources, and providing data basis for users to adjust load structure.