計量設備/二次回路測試設備 
NAXZC DC System Comprehensive Tester NAXZC蓄電池直流系統綜合測試儀
產品簡介
NAXZC蓄電池直流系統綜合測試儀是根據國家關于《直流電源運行和維護規程》的相關要求，集多年的研制成果和長期現場運行經驗，綜合國內外相關前端技術而研發的新產品，該裝置可實現不同容量充電機以及蓄電池組容量的檢測和試驗，并能準確可靠的測試出變電站直流電源系統的穩壓精度、穩流精度、紋波系數、效率值、交流輸入1-25次諧波值、放電容量等參數。同時配備直流電源綜合測試儀數據分析軟件，對上傳至計算機的測量數據進行各種分析。
產品別名
直流電源測試系統，直流電源綜合測試系統，直流電源測試儀，直流系統綜合測試儀，直流電源特性綜合測試系統
產品特性
1、NAXZC直流系統綜合測試儀是一種直流電源測試分析專用設備，全自動依照國標完成交流電壓調整、加載負載電阻、參數測試（紋波系數測試、穩流精度測試、穩壓精度測試等）、自動記錄測試值并停止測試等功能；
2、強大的擴展功能：兼容220V直流系統和110V直流系統的檢測；
3、采用三相自動數控調壓器：輸出精度高、功率大，電壓穩定度高；
4、使用ARM和DSP雙CPU工作控制，以及16M字節的FLASH存儲器；
5、儀表使用大屏液晶觸摸屏，全漢化圖形界面，操作更簡單、方便；
6、測試過程中實時顯示測試數據，所有圖表清晰美觀、直觀方便；
7、可保存、回顯測量數據或將其上傳到PC，專用直流電源綜合測試儀數據分析軟件進行詳細數據圖表分析。隨時測試，隨時保存、編輯、打印；
8、數據傳入計算機，進行入庫管理，可進行長期的歷史數據保存和分析；
9、模塊化結構，設計合理，運行可靠，體積小，重量輕；
10、大容量存儲器：存儲三百組穩壓精度測試、紋波系數測試、穩流精度測試、效率測試、限流特性測試的數據；
11、完備的通訊功能，具有RS485通訊接口與USB接口，利用U盤傳遞數據，可以U盤更新儀表軟件；
12、具有自動測試保護功能：當在測試過程當中，檢測到整組或者單體電池異常時，則自動終止測試，
13、防止對電池造成過放電，完全避免對設備造成沖擊；也可根據需要人為終止正在進行的測試過程。
功能：
? 綜合測試：綜合測試顯示測量直流電流、測量直流電壓、測量交流電壓和測量紋波電壓，并計算出穩壓精度、穩流精度、穩壓紋波系數和穩流紋波系數。
? 穩壓精度測量：交流輸入電壓在額定電壓±10%范圍內變化，負荷電流在0～100%額定值變化時，直流輸出電壓在調整范圍內的任一數值時其穩壓精度。
? 穩流精度測量：交流輸入電壓在額定電壓±10%范圍內變化、輸出電流在20%～100%額定值的任一數值，充電電壓在規定的調整范圍內變化時，其穩流精度。
? 紋波精度測量：充電裝置輸出的直流電壓中，脈動量峰值與谷值之差的一半，與直流輸出電壓平均值之比，計算出出穩壓紋波系數和穩流紋波系數。
? 效率測量：充電裝置的交流額定輸入功率與直流輸出功率之比，效率測量顯示測量交流電壓、測量交流電流、測量直流電壓，測量直流電流，并計算出輸入功率、輸出功率和效率。
? 諧波測量：電流諧波測量，主要顯示1～25次諧波的狀況，包括諧波(或基波)次數、諧波真有效值、諧波含有率（hr）、總諧波畸變率（thd）等參數。
? 電池放電：數字化控制恒流放電，自動實時監測單節和整組電池的電壓，電池放電測試顯示測量直流電流、測量直流電壓和放電時間，并計算出放電容量。
? 實時監控功能：實時顯示并控制各設定的參數（如電壓、電流、時間等）。
? 在線監測放電：可以實時通過無線通信監測，記錄單節或整組電池的電壓，并在PC機上實時曲線和柱狀圖顯示。
? 自動保護功能：可通過設定電池組和單體電池最低保護電壓、放電容量、放電時長四種門限報警而實現自動保護。
? 強大的數據處理功能：可對蓄電池的多項測量結果進行曲線顯示、生成報表，并進行綜合計算分析，準確判別。
? 數據分析：包括的綜合分析、穩壓精度分析、穩流精度分析、紋波系數分析、效率分析、電網諧波分析和電池放電分析可重新顯示原測量界面的內容。
? 數據上傳：此功能允許用戶將保存的測量數據上傳到計算機以進行各種分析。
? 系統升級：此功能允許用戶使用U盤更新儀表軟件。
NAXZC DC System Comprehensive Tester
Also called name
DC power supply test system, DC power supply comprehensive test system, DC power supply tester, DC system integrated tester, DC power supply characteristic test system
Product introduction
NAXZC DC system comprehensive test instrument meet the state relevant requirement of the dc power supply operation and maintenance regulations, it was developed and researched according to many years of research results and experiences in field operation, and also was comprehensive domestic and foreign advanced technology. The device can realize the inspection and test in different capacity of the charger and battery capacity, and also can accurately test the voltage regulation accuracy, precision of steady flow, the ripple coefficient, the efficiency value, ac input value 1-25 harmonic and discharge capacity of substation dc power supply system, at the same time, it is equipped with dc power comprehensive tester data analysis software, can variously analysis the measurement data uploaded to the computer.
The Characteristics of the products
1,NAXZC is a kind of dc power test analysis of special equipment, it is fully in automatic accordance with the national standard to complete ac voltage adjustment, load resistance, parameter test (ripple coefficient test, steady flow precision test, Precision of voltage regulation test, etc.), automatic record test values, stop testing, and other functions;
It is a DC power supply test and analysis equipment, automatic AC voltage adjustment is completed in accordance with the national standard, a load resistor, parametric tests (ripple factor test, steady flow accuracy testing, Precision of voltage regulation testing, etc.), and stops automatically record test value testing and other functions;
2,Strong extension function: compatible with 220 v and 110 v dc system detection;
3,Adopt Three-phase automatic numerical control voltage regulator: the output of high precision, large power, high voltage stability;
4,It use ARM and DSP double working control and 16 M bytes of FLASH memory.
5,Instrument use LCD touch screen, all English graphics interface, operating more simple and convenient;
6,Display test data in time during test process, chart is clear, intuitive and convenient;
7,can save, echo test data or upload the test data to PC, use special dc power supply comprehensive tester data analysis software to analyze detailed data chart, can test, save, edit and print at any time;
8,incoming data into computer, manage the warehouse, long-term historical data can be saved and analyzed;
9,modular structure, reasonable design, reliable operation, small volume, light weight;
10,Mass storage: can save three hundred group data of stable voltage accuracy test, ripple coefficient test, steady flow precision test, efficiency test and Current limiting characteristics test;
11,Has perfect communication function, with RS485 communication interface and USB interface, can transfer data and update instrument software trough U disk;
12,It has automatic protection function: when the instrument detects the group or monomer battery abnormal during the testing process, it can automatically terminate the test;
13,Can prevent the battery excessive discharge, completely avoid the impact to equipment; Also can terminate the test according to your need.
Main Functions
● Comprehensive test: comprehensive test show that measuring dc current, dc voltage, ac voltage and ripple voltage, also can calculate the voltage regulation accuracy, steady flow accuracy, voltage ripple coefficient and steady flow ripple coefficient.
● Steady voltage precision test: when AC input voltage changes within ±10%, load current changes within 0～100% and DC output voltage is at any numerical in adjustment range, its steady voltage precision.
● Steady flow precision test: when AC input voltage changes within ±10%, output current is at any rate 20% ~ 100% and charging voltage changes within prescribed adjusting range, its steady flow precision.
● Ripple precision test: we calculate the steady voltage ripple coefficient and steady current ripple coefficient by the ratio of half of the difference of the peak and valley value of ripple quantity and the average dc output voltage in the dc voltage of charging device output.
● Efficiency test: the ratio of the rated ac input power and the dc output power of the charging device, efficiency test shows the measurement of AC voltage, AC current, DC voltage and DC current, at the same time, calculate input power, output power and efficiency.
● Harmonic test: current harmonic test mainly shows 1 ~ 25 times the status of the harmonic, it contains harmonic (or fundamental wave) times, True RMS harmonic, Harmonic containing rate (hr), the rate of total harmonic distortion (thd) etc parameter.
● The battery discharge: digital control constant-current discharge, automatic real-time monitoring the voltage of single section battery and the whole battery, the battery discharge test shows the measurement of DC current, DC voltage and discharge time, to calculate the discharge capacity.
● Real-time monitoring function: real-time display and control variety of the set parameters, such as voltage, current, time and so on.
● Monitoring discharge online: Can be real-time monitoring through wireless communication, record single section or whole group battery voltage, and real-time display curve and histogram in PC .
● Automatic protection function: Through setting the minimum protection voltage of the battery pack and battery cell , discharge capacity, discharge time these four kinds of threshold alarm to realize automatic protection.
● Powerful data processing function: can curve shows a number of measurement result, generate reports, and integrated computation analysis, accurate identification.
● Data analysis: including comprehensive analysis, steady voltage accuracy analysis, steady flow accuracy analysis, ripple factor analysis, efficiency analysis, harmonic analysis and battery discharge analysis, the measurement can be re-display the contents of the original interface.
● Data upload: This feature allows users to upload the saved measurement data to a computer to perform various analysis.
● System upgrade: This feature allows users to use U disk to update the meter software.
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