- 型号:NADXC
- 品牌:南澳电气
- 用途:主要测量供电电压允许偏差、公用电网谐波、三相电压不平衡度、电力系统频率允许偏差、电压允许波动和闪变。
- 主要特点:测量信号最大峰值:电压电流均为最大量程的1.6倍;
- 主要参数:电压端子:≥600kΩ;转换速率:约20000次/秒;显示更新:约2次/秒.
- 尺寸:264×117×330mm
- 重量:4kg
主要性能及技术指标
电网的电能质量是指供给用户受电端,并供用户使用的电能品质的优劣程度的量度。它涵盖五个方面:供电电压允许偏差、公用电网谐波、三相电压不平衡度、电力系统频率允许偏差、电压允许波动和闪变。
nadxb电力谐波测量报警仪的测试对象为45~65hz交流工频信号的测量,具体技术参数如下:
1. 测量精度:
表1 仪表主要性能及技术指标
参 数
测量范围
工 作 误 差
分辨力
备 注
交流电压
( 10~500)v
±(0.4%读数+0.1%量程)
0.1v
最大:600v
交流电流
选配电流钳
0.001a
最大:1.1倍
功 率
u*i*pf
pf=1.0:±(0.4%读数+0.1%量程)
pf=0.5:±(0.8%读数+0.2%量程)
≥200w 1w
测试电流 > 0.01*电流量程
功率因数
0.20~1.00
±0.02
0.01
> 0.5a;
频 率
(45~65)hz
±0.01 hz
0.01 hz
u > 50 v
电 能
9999.9 mwh
pf=1.0:±(0.4%读数+0.1%量程)
pf=0.5:±(0.8%读数+0.2%量程)
时 间
1m~999h59m
±0.05%
1 秒钟
谐 波
1 ~50次
实时时钟
24 小时格式
1 秒钟
注:电流量程参照仪表选配的电流钳,顾客订货时应该确认适宜的电流钳。
2. 其他参数:
输入方式:电压电流均为浮置输入;
输入阻抗:电压端子:≥ 600 kω;
电流端子:电流钳
测量信号最大峰值:电压电流均为最大量程的1.6倍;
转换速率:约20000次/秒;
显示更新:约2次/秒;
整机功耗:
仪表重量:约 4 kg
仪表尺寸: 宽x高x高:(264×117×330)mm
3. 工作环境:
大气压力:(86~106)kpa;
温度:(0~40)℃ ;
湿度:≤85 %rh
工作电源: ac 220v±15% 50/60hz
the main performance and technical indicators
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 fiveaspects:supplyvoltage 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 areasfollows:
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 canoption
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 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%
1second
harmonics
1~50 times
real time
24hour format
1second
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:
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
南澳电气(武汉)有限公司
刘永强
15327206266
东湖高新技术开发区关山大道