- 型號:NARL-H
- 品牌:南澳電氣
- 用途:內部自帶電源、自動產生三相大功率測試電源。
- 主要特點:具有體積小、重量輕、測量準確度高、穩定性好、操作簡便易學等優點,
- 主要參數:電流、功率:±0.5%(CosΦ>0.1),±1.0%(0.02<CosΦ<0.1)
- 尺寸:32cm×24cm×13cm
- 重量:3kg
產品簡介
我國電力系統實行兩部制電價:除了收取計量裝置所計量的費用外,還要根據變壓器容量收取基本電費;對于較大用戶在投運變壓器時還要一次性交納增容費。隨著電力行業的發展,用電量的增大,自有變壓器和私人承包變壓器已漸漸占據了配變中相當的份額,隨之而來的就是個人為了達到少交費、多用電的目的而采取的各種弄虛作假的手段(主要是改、換變壓器銘牌);有些用戶年偷電費額達數十萬之多,電力部門苦于沒有有效的控制手段。narl-h變壓器容量及空載負載測試儀是南澳電氣武漢公司針對這種問題專門開發、研制的專門用于變壓器容量、損耗參數測量的高精度儀器。它自帶高效能充電電池,不用外接電源即可工作,充電一次可連續測量幾十至上百臺次;同時,內部數字合成三相標準正弦波信號(絕非簡單的逆變交流輸出,保證了非額定條件下各測試項目測試數據的準確性),經功率放大器可提供三相精密交流測試源;在測量變壓器容量和變壓器的短路損耗時不需要外接三相測試電源及調壓器、升流等輔助設備,簡化了接線,大大提高了工作效率;容量測試結果準確率達100%。它一種設備相當于二種設備:有源變壓器容量測試儀+變壓器損耗參數測試儀。它可對各種變壓器的容量、空載電流、空載損耗、短路損耗、阻抗電壓等一系列工頻參數可進行精密的測量。該narl-h變壓器容量及空載負載測試儀具有體積小、重量輕、測量準確度高、穩定性好、操作簡便易學等優點,完全可取代以往利用多表法測量變壓器損耗和容量的方法,接線簡單,測試、記錄方便,大大提高了工作效率。它以中英文大屏幕圖形式液晶作為顯示窗口,圖形式菜單操作并配有中英文提示,集多參量于一屏的顯示界面,人機對話界面友好,使用簡便、快捷,是各級電力用戶的首選產品。
產品別名
變壓器容量特性測試儀,變壓器特性測試儀
產品特性
1、可精確測量各種配電變壓器的容量,無源測量,方便、準確。
2、內部自帶電源、自動產生三相大功率測試電源。
3、內置高性能鋰離子充電電池,容量大,充滿電可連續測試500臺以上。
4、可測量各種類型的變壓器的空載電流、空載損耗、短路電壓、短路損耗。
5、可自動進行波形畸變校正,溫度校正,電壓校正(非額定電壓下的空載試驗),電流校正(非額定電流條件下的短路試驗),操作人員只需根據變壓器類型輸入校正指數儀器即可自動計算出校正后的結果,非常適合沒有做稍大容量變壓器短路試驗條件的單位。
6、電壓回路寬量限:電壓最大可測量到750v,不用切換檔位即可保證精度。不會因電壓檔位選錯而對儀器本身有所損壞。
7、容量測量范圍:20kva~100000kva。
8、電池剩余電量百分數指示功能,絕非簡單的虧電報警。
9、大屏幕、高亮度的液晶顯示,全漢字菜單及操作提示實現友好的人機對話,導電硅膠觸摸按鍵使操作更簡便,按鍵壽命更長。
10、用戶可隨時將測試的數據通過微型打印機將結果打印出來。
11、測試結果存儲功能,可存儲200組容量測試數據。
產品參數
1、輸入特性
有源部分:
電壓測量范圍:0~10v
電流測量范圍:0~10a
無源部分:
電壓測量范圍:0~750v 寬量限。
電流測量范圍:0~100a內部全部自動切換量程。
2、準確度
電壓:±0.3%
電流、功率:±0.5%(cosφ>0.1),±1.0%(0.02<cosφ<0.1)
3、工作溫度:-10℃~ +40℃
4、充電電源:交流160v~260v
5、絕緣:⑴、電壓、電流輸入端對機殼的絕緣電阻≥100m?。
????????⑵、工作電源輸入端對外殼之間承受工頻2kv(有效值),歷時1分鐘實驗。
6、體積:32cm×24cm×13cm
7、重量:3kg
product introduction
electric power system implement two-part tariff: beside charge by measured charge meter, but also charge the basic tariff according totransformercapacity. for big users, who put into transformer operation, it needs to pay a one-time capacity fee. while with the development of power industry, electricity consumption is increasing,the ownedtransformer and private contractors have gradually occupied a considerable share, and as follows, in order to pay less, use more, it takes lots of fraudulent means (mainly to change, altertransformernameplate). some users steal electricity charge reach to hundreds of thousands, the power sector have suffered no effective means to control yet.
narl-h transformer capacity and load load tester is developed by nanao electric company?electrical specifically for resolving theproblem, it’s ahigh precision instruments developed specifically for transformer capacity and loss parameter measurements. it comes with a high-performance rechargeable battery, can work withoutexternal powersupply, the charging time can be measured hundreds times continuously; meanwhile, the internal digital combined as three-phase standard sine wave signal (not simple inverter ac output,which ensurethe accuracy of each tested project data under the non-rated conditions ), the power amplifier can provide precise phase ac testing source; and measure transformer capacity andtransformersthree-phase short-circuit loss tests without external power source, voltage regulator, voltage booster and other auxiliary equipment, simplifying wiring, improved work efficiencygreatly; the accuracyof capacity testing results up to 100%. it can be used as two kinds of devices: active transformer capacity tester + transformer loss parameter tester. it can measure thetransformer capacity, loadcurrent, load loss, short-circuit loss, impedance voltage and a series of parameters for precision frequency measurements. the narl-h transformer capacity and load loadtester has a small size, lightweight, high measuring accuracy, good stability, easy to operate etc., which completely replace the conventional method of using multi-table transformer losses andcapacity measurement method, simpleto connect the wires, test and record, and have greatly improved work efficiency. it has a big screen as a graphic lcd window, graphical menu operation and with acharacter prompt, set the parametersin a multi-screen display interface, interactive user-friendly, easy to use, is the preferred product for electric users at all levels .
also called?name
transformer capacity tester,test instrument transformers
the characteristics of the products
(1) can accurately measure the capacity of various distribution transformers, passive measurement , convenient and accurate .
(2) with internal self-powered, which can produce three-phase power of testing power .
(3) built-in high-performance lithium-ion rechargeable battery, large capacity, full of electricity can be continuous testing morethan 500 units.
(4) can measure the no-load current, no-load loss, short-circuit voltage, short-circuit loss of various types of transformer.
(5) can correct waveform distortion automatically, temperature correction, voltage
correction (no-load test under the condition of no rated voltage), current correction ( short circuit test under the condition of norated current) ,the operator only need to input calibrated index based on transformer type, it comes to the calculated index results automatically, very suitable for the large capacity transformerunit doing shortcircuit testing.
(6) wide range of voltage circuit: the maximum measuring voltage can up to 750v, no need to switch gear to ensure accuracy, will notdamage theinstrument even you choose the wrong voltage gear.
(7) capacity measuring range: 20kva~100000kva.
(8) with function of indicating the percentage of remaining power of battery, not just simple power loss alarm.
(9) with a large screen, high brightness lcd display, full english menu and operating tips to achieve a friendly man-machine dialogue,the touchbuttons make operation easy to operate, conductive silicone touch buttons make the operation more convenient and the life of button is longer.
(10) the user can print the test data through mini- printer at any time.
(11) with test results storage function, can store 200 groups of testing data.
南澳電氣(武漢)有限公司
劉永強
15327206266
東湖高新技術開發區關山大道
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