摘要：用戶側配電系統的智能化、精細化、可視化是當下配電管理的必然趨勢。針對用戶側的配電進線回路，設計安裝智能儀表，再通過設置儀表參數來實時監控各負載回路的工作狀態；提高用能安全、提升設備維護效率、降低維護的人工成本、實現了配電系統監控的無人值守。通過數據的采集，對電參量的實時監測，分析負載側用電質量以及配電系統的運行狀態，為用戶節約電力維護成本。現就冰島Tandraberg公司電機監控改造加裝我司電流表及頻率表做一簡要介紹。
Abstract: The intelligence, refinement and visualization of the distribution system are the trend of distribution management. The smart power meter is designed and installed for the power distribution circuit , in order to real time monitor the working state of each load circuit by setting the parameters of the smart meter. It can improve the safety of energy usage, improve the efficiency of equipment maintenance, reduce labor cost of maintenance, and realize the unattended monitoring of distribution system. Through data collection, real-time monitoring of electrical parameters, analysis of the power quality and distribution system running status, it will save users’ power maintenance costs. This article gives a brief introduction of Acrel PZ ammeter and frequency meter used in Iceland Tandraberg ehf company's motor monitoring project.
1.項目概述：
Project Overview
Tandraberg ehf公司位于冰島Eskifj?reur，是該國最大的冷凍托盤廠家之一，該公司的生產用電大多為電機負載，用于工藝切割。由于原電機控制柜未加電力儀表，且變頻器工作狀況不了解，不知道電機的運行狀況，故采購我司PZ系列三相電流表用于電機電流監控以及頻率表用于監測回路頻率變化.
Tandraberg ehf company, located in Eskifj?reur, is one of the largest manufacturers of refrigerated pallets in Iceland, Its main production electricity is motor load, which is used for process cutting. Since the original motor control cabinet doesn’t install with power measuring instrument, and the working condition of Variable-frequency Drive and moter are unknow. Therefore, they purchased Acrel PZ series three-phase ammeter for motor current monitoring and frequency meter for monitoring frequency change.
2.PZ系列可編程智能電測儀表介紹
PZ Series Programmable Intelligent Electric Meters
PZ系列儀表采用交流采樣技術，可測量電網中的電流、電壓、功率、功率因數和電能參數。它可通過面板按鍵設備電力參數。該儀表具有RS-485通訊接口，采用Modbus協議；也可以將電源信號轉換成標準的直流模擬信號信號。該儀表還具有開關輸入/輸出、繼電器/報警輸出等。
PZ series of meters adopt AC sampling technology,which can separately measure the current, voltage, power, power factor and electric energy parameters in the grid .It can set the electrical parameter through the panel button.This meter has RS-485 communication interface,adopt Modbus protocol;also can convert the power signal into a standard DC analog signal.The meter also has switch input/output,relay/alarm output,etc.
3.型號說明
Model description
Technical features4.安裝圖片Installation picture
5.總結 PZ系列儀表具有*的性能價格比，可以直接取代常規電力變送器及測量儀表。作為一種先進的智能化、數字化的前端采集元件，該電力儀表已廣泛應用于各種控制系統,SCADA 系統和能源管理系統中。
PZ series power meter have high price performance, which can replace power transmitter and other measuring instrument. As an advanced intelligent and digital acquisition device, the power meter has been widely used in various control systems, SCADA systems and energy management systems.
編輯：安科瑞 顧城
公司：江蘇安科瑞電器制造有限公司
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