在南澳電氣NAYXL輸電線路異頻參數(shù)測試系統(tǒng)傳統(tǒng)的輸電線路工頻參數(shù)測試中，采用三相自耦變和大容量隔離變壓器提供測試電源，通過電力計(jì)量用的CT和PT作電信號(hào)變換，zui后用指針式的高精度電壓表、電流表、功率表測量各個(gè)電參數(shù)，zui后計(jì)算得到輸電線路工頻參數(shù)測試結(jié)果。使整套試驗(yàn)設(shè)備體積大，重量大，需要吊車配合工作，十分不利于現(xiàn)場測量，而且由于測試電源為工頻電源，極易與耦合的工頻干擾信號(hào)混頻，帶來很大的測量誤差，需要大幅度提高信噪比，這對電源的容量和體積又進(jìn)一步提高。

NAYXL輸電線路異頻參數(shù)測試系統(tǒng)能夠準(zhǔn)確測量各種高壓輸電線線路(架空、電纜、架空電纜混合、同桿多回架設(shè)的工頻參數(shù)（正序電容、正序阻抗、零序電容、零序阻抗、互感和耦合電容等），*《110千伏及以上送變電基本建設(shè)工程啟動(dòng)驗(yàn)收規(guī)程》、DL/T559-94《220-500kV電網(wǎng)繼電保護(hù)裝置運(yùn)行整定規(guī)程》、《GB50150-2006》的規(guī)定要求。

NAYXL輸電線路異頻參數(shù)測試系統(tǒng)采用一體化結(jié)構(gòu)，內(nèi)置變頻電源模塊，可變頻調(diào)壓輸出電源。采用數(shù)字濾波技術(shù)，避開了工頻電場對測試的干擾，從根本上解決了強(qiáng)電場干擾下準(zhǔn)確測量的難題。

南澳電氣NAYXL輸電線路異頻參數(shù)測試系統(tǒng)產(chǎn)品別名

輸電線路異頻參數(shù)測試系統(tǒng)

南澳電氣NAYXL輸電線路異頻參數(shù)測試系統(tǒng)產(chǎn)品特性 

1.快速準(zhǔn)確的完成線路的正序電容、零序電容、正序阻抗、零序阻抗等參數(shù)測量，同時(shí)還可以測量線路間的互感電抗和耦合電容測量；

2.抗*力強(qiáng)，能在異頻信號(hào)與工頻信號(hào)比為1:10的條件下準(zhǔn)確測量；

3.外部接線簡單，僅需一次接入被測線路的引線線就可以完成全部的線路參數(shù)測量；*解決現(xiàn)有測試手段存在的測試接線倒換繁瑣、干擾、穩(wěn)定度、精度等方面的問題。

4儀器以高速單片機(jī)為內(nèi)核，實(shí)現(xiàn)測試電源、儀表、計(jì)算模型一體化，將一卡車的設(shè)備濃縮為一臺(tái)儀器。

5.儀器采用320 x 240大屏幕點(diǎn)陣液晶顯示，美國進(jìn)口旋轉(zhuǎn)鼠標(biāo)操作，嵌入式漢字微型打印機(jī)打印結(jié)果，操作十分簡單；

6.南澳電氣NAYXL輸電線路異頻參數(shù)測試系統(tǒng)儀器測試過程快捷，儀器自動(dòng)完成測試方式控制、升降壓控制和數(shù)據(jù)測量計(jì)算，并打印測量結(jié)果，一個(gè)序參數(shù)的測量為一分鐘完成，試驗(yàn)時(shí)間縮短，工作量大大減少，20分鐘內(nèi)可完成傳統(tǒng)方法兩個(gè)小時(shí)的工作量；

7.測量精度高，儀器本身提供三組接近工頻的異頻電源（45Hz/57.5Hz  45Hz/55Hz  47.5Hz/55Hz）可供選擇，輕松分離工頻及雜波干擾，有效地實(shí)現(xiàn)小信號(hào)的高精度測量；

產(chǎn)品參數(shù)

a)儀器供電電源：三相，AC 380V±10%，10A，50Hz

b)異頻電源特性：zui大輸出電壓：三相，AC 200V（有效值）

c)抗干擾參數(shù)：

      干擾電壓：接入儀器測試電源后的縱向感應(yīng)電壓＜350V；

      干擾電流：線路首末兩端短接接地時(shí)＜40A；

      能在儀器輸出信號(hào)與干擾信號(hào)比為1:10的條件下穩(wěn)定準(zhǔn)確完成測試。

d)儀器使用環(huán)境：

       環(huán)境溫度：-15℃—＋40℃

       相對濕度：＜90%

Product introduction

NAYXL series transmission Line Power / Line Pilot tester is designed to test transformer loss parameter, the power frequency parameters and pilot frequency parameters of transmission line (such as overhead line, cables and overhead lines combined with cable).The power frequency parameters includes positive sequence capacitance, positive sequence impedance, zero sequence capacitance, zero sequence impedance, mutual inductance and coupling, capacitance and so on.

Also called name

Transmission line power frequency parameters testing system; Transmission line pilot frequency parameters tester; Transmission line test set; Power line tester.

The Characteristics of the products

NAYXLA Transmission Line Power Frequency Parameters Tester

Product characteristics

1. The instrument have compact design, excellent performance, powerful function, internal is used with advanced multi A / D synchronous AC sampling and digital signal processing technology, which successfully solves the problem of multi-channel signal synchronous measurement and calculation.

2. The instrument uses large-screen LCD, English menu prompt, simple operation, equipped with high-speed thermal printer, and design of storage function, easy to store and print data.

3. The instrument has small volume, light weight, easy to carry, and it is convenient to use, which greatly reduces the labor intensity and improves the working efficiency.

NAYXL Transmission Line Pilot Frequency Parameters Tester

Product characteristics

1. Fast and accuray measuring the positive sequence capacitance, zero sequence capacitance, positive sequence impedance, zero sequence impedance and other parameters of transmission lines, it also can measure the mutual inductive reactance and coupling capacitance between the lines.

2 Strong anti-interference ability, can accuray measure under the condition of the ratio between power frequency signal and pilot frequency signal is 1:10.

3. External wiring is simple, only one time to access the lead of the line to complete all the line parameters measurements. Compley solve the problems of the existing test methods which cause cumbersome wiring switching procedure and the interference of stability and accuracy.

4. The instrument with high speed single chip microcomputer as the core, to achieve the integration of test power, meter and calculation model, make a truck of equipment concentrated into a single instrument.

5. The instrument uses 320*240 large screen dot matrix LCD, operated with the rotating mouse imported from United States, embedded mini-printer to print the results, the operation is very simple.

6. Instrument testing process is fast, automatically complete test mode control, boost-buck control, data measurement and calculation, and print measurement results, one minute to complete a parameter measurement, the test time is shortened, the workload is greatly reduced.

7. High accuracy measurement, the instrument itself provides three groups of pilot frequency power supply (45Hz/57.5Hz 45Hz/55Hz 47.5Hz/55Hz) which is close to power frequency, it can easily separate frequency and clutter, effectively achieve high-precision measurement of small signals.

The parameters of the products

Power supply: AC110V/115V/120V/127V/220V/230V/240V optional

Input frequency: 50Hz/60Hz optional