NADXC電力諧波測量儀諧波報警儀
NADXC power harmonic measuring tester
產品別名
NADXC電力諧波測量儀,電力諧波報警儀,電力諧波測試儀,電力諧波分析儀,電力諧波測量分析儀
主要性能及技術指標
電網的電能質量是指供給用戶受電端,并供用戶使用的電能品質的優劣程度的量度。它涵蓋五個方面:供電電壓允許偏差、公用電網諧波、三相電壓不平衡度、電力系統頻率允許偏差、電壓允許波動和閃變。
NADXB電力諧波測量報警儀的測試對象為45~65Hz交流工頻信號的測量,具體技術參數如下:
1. 測量精度
表1 儀表主要性能及技術指標
參 數 | 測量范圍 | 工 作 誤 差 | 分辨力 | 備 注 |
交流電壓 | ( 10~500)V | ±(0.4%讀數+0.1%量程) | 0.1V | 最大:600V |
交流電流 | 選配電流鉗 | 0.001A | 最大:1.1倍 | |
功 率 | U*I*PF | PF=1.0:±(0.4%讀數+0.1%量程) PF=0.5:±(0.8%讀數+0.2%量程) | < 200W 0.1W ≥200W 1W | 測試電流 > 0.01*電流量程 |
功率因數 | 0.20~1.00 | ±0.02 | 0.01 | > 0.5A; |
頻 率 | (45~65)Hz | ±0.01 Hz | 0.01 Hz | U > 50 V |
電 能 | 9999.9 MWh | PF=1.0:±(0.4%讀數+0.1%量程) PF=0.5:±(0.8%讀數+0.2%量程) | ||
時 間 | 1m~999h59m | ±0.05 % | 1 秒鐘 | |
諧 波 | 1 ~ 50 次 | |||
實時時鐘 | 24 小時格式 | 1 秒鐘 |
注:電流量程參照儀表選配的電流鉗,顧客訂貨時應該確認適宜的電流鉗。
2. 其他參數
輸入方式:電壓電流均為浮置輸入;
輸入阻抗: 電壓端子:≥ 600 kΩ;
電流端子:電流鉗
測量信號最大峰值:電壓電流均為最大量程的1.6倍;
轉換速率:約20000次/秒;
顯示更新:約2次/秒;
整機功耗:< 5W;
儀表重量:約 4 kg
儀表尺寸: 寬 x 高 x高:(264×117×330)mm
3. 工作環境
大氣壓力:(86~106)kPa ;
溫度:(0~40)℃ ;
濕度:≤85 %RH
工作電源: AC 220V±15% 50/60Hz
NADXC power harmonic measuring tester
Also called name
NADXC Power Harmonic Meter, Power Harmonic Alarm, Power Harmonic Tester, Power Harmonic Analyzer, Power Harmonic Measurement Analyzer
The main performance and technical indicators of NADXC
This power quality of the power grid is a measure of the quality of the power supplied to the user at the receiving end and for the user to use. It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.
NADXB power harmonic measurement alarm object for the 45 ~ 65Hz AC frequency measurement of the signal.
The specific technical parameters are as follows
1. Measurement accuracy
Table 1. main instrument performance and technical indicators
Data | Measuring range | Working error | Resolution | Remarks |
AC Voltage | ( 10~500)V | ±(0.4%Reading + 0.1% of range) | 0.1V | Max:600V |
AC Current | Current clamp can option | 0.001A | Max:1.1 times | |
Power | U*I*PF | PF=1.0:±(0.4%Reading + 0.1% of range) PF=0.5:±(0.8%Reading + 0.2% of range) | < 200W 0.1W ≥200W 1W | Test current > 0.01*Current range |
Power factor | 0.20~1.00 | ±0.02 | 0.01 | > 0.5A; |
Frequency | (45~65)Hz | ±0.01 Hz | 0.01 Hz | U > 50 V |
Electricity | 9999.9 MWh | PF=1.0:±(0.4%Reading + 0.1% of range) PF=0.5:±(0.8Reading + 0.2% of range) | ||
Time | 1m~999h59m | ±0.05 % | 1 Second | |
Harmonics | 1~50 times | |||
Real time | 24 Hour Format | 1 Second |
Note: The current range of reference meter matching current clamp, customer orders should confirm the appropriate current clamp.
2. Other parameters:
Input mode: voltage and current are floating input;
Input impedance: Voltage terminals: ≥ 600 kΩ;
Current terminal: current clamp
Measurement signal maximum peak: voltage and current are 1.6 times the maximum range;
Conversion rate: about 20,000 times / second;
Display update: about 2 times / sec;
Power consumption: <5W;
Instrument weight: about 4 kg
Meter size: width x height x height: (264 × 117 × 330) mm
3. Working environment:
Atmospheric pressure: (86 ~ 106) kPa;
Temperature: (0 ~ 40) ℃;
Humidity: ≤ 85% RH
Working power: AC 220V ± 15% 50 / 60Hz
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