產(chǎn)品特性
1.電壓電流輸出靈活組合
輸出達(dá)6相電壓6相電流，可任意組合實(shí)現(xiàn)常規(guī)4相電壓3相電流型、6相電壓型、6相電流型，以及12相型輸出模式，既可兼容傳統(tǒng)的各種試驗(yàn)方式，也可方便地進(jìn)行三相變壓器差動(dòng)試驗(yàn)和廠用電快切和備自投試驗(yàn)。
2.操作方式
裝置直接外接筆記本電腦或臺(tái)式機(jī)進(jìn)行操作，方便快捷，性能穩(wěn)定。
3.新型高保真線性功放 輸出端一直堅(jiān)持采用高保真、高可靠性模塊式線性功放，而非開關(guān)型功放，性能。不會(huì)對(duì)試驗(yàn)現(xiàn)場(chǎng)產(chǎn)生高、中頻干擾，而且保證了從大電流到微小電流全程都波形平滑精度優(yōu)良。
4.高性能主機(jī)
輸出部分采用DSP控制，運(yùn)算速度快，實(shí)時(shí)數(shù)字信號(hào)處理能力強(qiáng)，傳輸頻帶寬，控制高分辨率D/A轉(zhuǎn)換。輸出波形精度高，失真小線性好。采用了大量*技術(shù)和精密元器件材料，并進(jìn)行了專業(yè)化的結(jié)構(gòu)設(shè)計(jì)，因而裝置體積小、重量輕、功能全、攜帶方便，開機(jī)即可工作，流動(dòng)試驗(yàn)非常方便。
5.軟件功能強(qiáng)大
可完成各種自動(dòng)化程度高的大型復(fù)雜校驗(yàn)工作，能方便地測(cè)試及掃描各種保護(hù)定值，進(jìn)行故障回放，實(shí)時(shí)存儲(chǔ)測(cè)試數(shù)據(jù)，顯示矢量圖，聯(lián)機(jī)打印報(bào)告等。6相電流可方便進(jìn)行三相差動(dòng)保護(hù)測(cè)試。
6.具有獨(dú)立直流電源輸出 設(shè)有一路110V 及 220V可調(diào)直流電源輸出。
7.接口完整
裝置帶有USB通訊口，可與計(jì)算機(jī)及其它外部設(shè)備通信。
8.完善的自我保護(hù)功能
散熱結(jié)構(gòu)設(shè)計(jì)合理，硬件保護(hù)措施可靠完善，具有電源軟啟動(dòng)功能，軟件對(duì)故障進(jìn)行自診斷以及輸出閉鎖等功能。
NA556A系列微機(jī)繼電保護(hù)測(cè)試儀采用單機(jī)獨(dú)立運(yùn)行，亦可聯(lián)接筆記本電腦運(yùn)行的*結(jié)構(gòu)。主機(jī)內(nèi)置新一代高速數(shù)字信號(hào)處理器微機(jī)、真16位模塊、新型模塊式高保真大功率功放，自帶大屏幕液晶顯示器以及靈活方便的旋轉(zhuǎn)鼠標(biāo)控制器。單機(jī)獨(dú)立操作即已具有很強(qiáng)的功能，可進(jìn)行大多數(shù)試驗(yàn)，聯(lián)接電腦運(yùn)行則具有更強(qiáng)大的操作功能。體積小、精度高。既具有大型測(cè)試儀*的性能、*的功能，又具有小型測(cè)試儀小巧靈活、操作簡(jiǎn)便、可靠性高等優(yōu)點(diǎn)，性能價(jià)格比高，是繼保工作者得心應(yīng)手的好工具。
Product characteristics
1. Flexible combination of voltage output and current output
The output voltage and output current can reach six-phase, and also can arbitrary combine with regular four-phase voltage and three-phase current, six phase voltage, six phase current, and 12-phase output mode. It not only compatible with the traditional way of various tests, but also used for three-phase transformer differential test and auxiliary power fast switch over and automatic transfer test easily.
2. Operation
This device can contact the laptop and notebook computer to operate directly, is convenient and stable performance.
3. Newly high-fidelity linear amplifier
The output terminal always adopt modular linear amplifier with high-fidelity and high reliability, not use switching amplifier. Testing on site will not generate medium or high frequency interference, and guaranteed the smooth and precision waveform which from high-current to small-current.
4.High-performance of host
The output part adopt DSP control, high speed of calculation, powerful real-time digital signal processing capability, widely transmission frequency, controlled high-resolution D / A converter. High precision of output waveform, good linearity distortion. Adopting lots of advanced technology and precision components materials, and with professional structural designed, which make the device small, light, full-functions, easy to carry, boot to use, and the flow testing is very convenient.
5.Powerful software function
It can complete a variety of large and complex calibration task with highly automatization, that can test and scan varies protection value easily, make fault recurrence, real-time storing of test data, display vector and online printing reports. 6-phase can test three-phase differential protection conveniently.
6.Separate and special DC power output
Setting 110V and 220V special adjustable DC power output.
7.Compley interface
The device has a USB interface to communicate with computers and other external devices.
8.Perfect self-protection function
Reasonable thermal structure designs, comprehensive and reliable hardware protection measures, with a power soft-start function and functions of software self-diagnostics and fault output latch.
Power supply: AC110V/115V/120V/127V/220V/230V/240V optional
Input frequency: 50Hz/60Hz optional
