安(ān)科(kē)瑞  陳聰(cōng) 周(zhōu)潔

 摘要：本(běn)文(wén)介(jiè)紹了安(ān)科瑞APM係(xì)列交流電表(biǎo)在保加(jiā)利(lì)亞(yà)光伏係(xì)統(tǒng)交流側(cè)的應用(yòng)。主要(yào)用(yòng)於光伏係(xì)統中的電流(liú)的(dí)計量
，配合互感(gǎn)器(qì)對電路(lù)係統進行計(jì)量(liáng)，通訊和控製等。

  Abstract: This paper introduces the application of ackry APM series AC meter in the AC side of Bulgarian photovoltaic system. It is mainly used to measure the current in the photovoltaic system, and cooperate with the transformers to measure, communicate and control the circuit system.

  1.項目概述(shù)Project Overview

  該公司位於保加(jiā)利亞(yà)
，公(gōng)司(sī)主要在保加利(lì)亞(yà)及周(zhōu)邊國家從(cóng)事(shì)小型(xíng)光(guāng)伏發電(diàn)中心項目的(dí)設(shè)計/安裝(zhuāng)施(shī)工/維護(hù)等業務(wù)。客戶(hù)想要使用交流電表APM801，APM810等和互感器
，用於光伏係統(tǒng)交流(liú)側電流電壓的監(jiān)測(cè)計(jì)量，通訊(xùn)以(yǐ)及利用APM電表的開(kāi)關量(liáng)功能進行控(kòng)製。

  The company is located in Bulgaria. The company is mainly engaged in the design / installation, construction / maintenance of small photovoltaic power generation center projects in Bulgaria and surrounding countries. The customer wants to use AC meters apm801, apm810 and mutual inductors for monitoring, metering and communication of current and voltage at the AC side of photovoltaic system, and control by using the switching value function of APM meter.

  2.APM係列儀表(biǎo)簡介APM Series Energy Meters

  ACREL的APM係列(liè)功率表(biǎo)是根據(jù)IEC標準設計並(bìng)與技術(shù)同步的(dí)功率表。

  APM係(xì)列(liè)電(diàn)能(néng)表具(jù)有(yǒu)全(quán)功率測量，電(diàn)能統(tǒng)計，電能(néng)質量分析(xī)和網(wǎng)絡通信(xìn)等(děng)功能(néng)
，主(zhǔ)要用於(yú)供電(diàn)網絡(luò)質(zhì)量的綜合監測。

  本(běn)係(xì)列儀表采(cǎi)用(yòng)模塊化設(shè)計(jì)
，具有豐富的外部DI/DO模塊(kuài)，AI/AO模(mó)塊(kuài)，帶(dài)T-Flash（TF）卡的事(shì)件(jiàn)記錄（SOE）模(mó)塊，網(wǎng)絡(luò)通信模塊(kuài)，溫濕度測(cè)量模塊功(gōng)能(néng)
，可實(shí)現電路(lù)全功率測量和開關狀態監測
，具(jù)有(yǒu)以太網接口的(dí)雙(shuāng)RS485可(kě)實現(xiàn)RS485主站(zhàn)的(dí)數(shù)據拷(kǎo)貝
，無(wú)需進行數據交換(huàn)。PROFIBUS-DP接(jiē)口(kǒu)可實現(xiàn)高速(sù)數(shù)據(jù)傳輸和聯(lián)網功能。

  APM series power meters of ACREL are power meters that are designed according to IEC standards and synchronized with international advanced technology.

  APM series meters have full power measurement, energy statistics, analysis of power quality and network communications and other functions, are mainly used for comprehensive monitoring of the quality of power supply network.

  This series of meters use a modular design, with a rich function of the external DI / DO module, AI / AO module, event recording (SOE) module with T-Flash (TF) card, network communication module, Temperature and humidity measurement module, can achieve full power measurement of electrical circuit and monitoring of switch status, Dual RS485 with Ethernet interface can realize data copying of RS485 master station, eliminating the need for data switching exchange. PROFIBUS-DP interface can realize high-speed data transmission and networking function.

  3.客(kè)戶(hù)特殊(shū)需求  Requirements from Customer

  電(diàn)網供(gōng)應商要求：

  (1) 監控(kòng)電壓(yā)：L1-N，L2-N，L3-N。非(fēi)標稱 = 230V

  (2) 過(guò)壓(yā)時(shí)切(qiē)換(huàn)繼(jì)電器(qì)輸出。分(fēn)為兩步
，

  第(dì) 1 步(bù)：110% 非標(biāo)稱或(huò) 253V - 延遲(chí) 60 秒（s）；

  第 2 步(bù)
，115% 的(dí)非標稱或(huò) 264V - 延(yán)遲(chí) 0.1s；設(shè)置(zhì)範(fàn)圍： U：非標(biāo)稱的(dí) 100-140%
，未列出步(bù)驟(zhòu)
，可能是 1V 或(huò) 1%；延(yán)遲0.05s 到(dào) 60s
，未列(liè)出(chū)步(bù)驟
，可(kě)能(néng) 1s；

  (3) 欠(qiàn)壓(yā)時切換繼電器(qì)輸出(chū)：

  第(dì) 1 步；非(fēi)標稱電壓(yā)或 184V 的 80% - 延遲 0.2s；設(shè)置範圍(wéi)： U：非標稱電(diàn)壓的 10-100%
，未(wèi)列出步(bù)驟
，可能是 1V 或(huò) 1%；延遲0.05 s 到(dào) 3s
，步驟未列出
，可(kě)能為(wéi) 1s；

  (4) 過頻時(shí)切換繼電器輸出：

  第(dì) 1 步； 50.5Hz——延(yán)遲(chí)0.1s；設(shè)置(zhì)範圍：F：50-52.5Hz
，step 0.1Hz；延(yán)遲

  (5) 超(chāo)頻時(shí)切(qiē)換繼(jì)電器輸(shū)出

  (6) 恢復延(yán)遲。由(yóu)於先前(qián)的(dí)一(yī)些(xiē)原(yuán)因(yīn)
，當DO打(dǎ)開時
，在(zài)網(wǎng)格(gé)參(cān)數回到標稱範圍(wéi)後應該(gāi)有(yǒu)時間(jiān)延遲。時間(jiān)範(fàn)圍(wéi)1-60秒
，step 1秒(miǎo)

  (7) 附(fù)加(jiā)設置。(如(rú)果可能的(dí)話)。

  7.1.當非標(biāo)稱(chēng)值(zhí)低(dī)於60-70% 時
，可禁用低(dī)頻和(hé)超頻(pín)監(jiān)測(cè);

  7.2. 當(dāng)發(fā)生超(chāo)頻/低(dī)頻時 -- DO不應(yīng)該自動恢復(fù)
，它應(yīng)該等待(dài)手動/遠(yuǎn)程等(děng)方(fāng)式恢復(fù)。

  terms of reference from grid supplier:

  （1）monitoring voltages: L1-N, L2-N, L3-N. Unominal = 230V;

  （2）switching relay output at overvoltage: 2 steps:

  Step 1: 110% of Unominal or 253V - delay 60 seconds (s) ;

  Step 2: 115% of Unominal or 264V - delay 0.1s;

  （3）switching relay output at undervoltage:

  1-step; 80% of Unominal or 184V - delay 0.2s; Range of settings: U: 10-100% of Unominal, step not listed, maybe 1V ot 1%; Delay: 0.05 s to 3s, step - not listed, maybe 1s;

  （4）switching relay output at overfrequency

  1-step; 50.5Hz - delay 0.1s; Range of settings: F: 50-52.5Hz, step 0.1Hz; Delay: 0.1-0.5s, step - maybe 0.1s;

  （5）switching relay output at overfrequency

  1- step; 47.5Hz - delay 0.1s; Range of settings: F: 47.5-50Hz, step 0.1Hz; Delay: 0.1-0.5s, step - maybe 0.1s;

  （6）Delay for recovering. When DO is on by some of previous reasons, there should be time delay after grid parameter(s) are back in nominal range(s). Time range 1-60s, step 1s

  （7）Additional settings. (If they are possible).

  7.1 When Unominal is lower than 60-70%, under and overfrequency monitoring can be disabled

  7.2 When overfrequency/underfrequency is happened - the DO should not be recovered automatically, it should wait for some kind of manual/remote restore.

  上述7點(diǎn)為客戶(hù)對所(suǒ)采(cǎi)購(gòu)產品的特(tè)殊(shū)需求(qiú)
，除第(dì)七點(diǎn)中部分(fēn)要求不能滿(mǎn)足客(kè)戶外
，其(qí)餘需求都能(néng)滿(mǎn)足(zú)。基本完(wán)好解(jiě)決了(liǎo)客戶的(dí)需(xū)求。

  The above 7 items are the special needs of customers for the purchased products. Except that some requirements in point 7 cannot meet the needs of customers, other needs can be met. Basically solved the needs of customers.

  4.安(ān)裝圖(tú)片Installation Picture