NAFRC高精度交直流分压器

NAFRC Series AC/DC High Accuracy Voltage Divider  NAFRC高精度交直流分压器

NAFRC系列交直流分压器又称数字高压表或阻容分压器，客户可根据所测量电压精度要求，来选择不同的准确度。该系列最高准确度分别为：AC:0.5%/DC:0.5%，若需更高准确度，可选择我公司的NAPD系列直流标准分压器或NAPA系列交流标准分压器；NAFRC系列分压器采用电位屏蔽式高压测量装置，是我公司最新研发的第七代产品，与其他公司同类产品相比，该设备采用美国进口的填充介质，分压器内部采用多种专利屏蔽技术，使该系列产品有更长的使用寿命和更高的稳定性，在该领域拥有绝大部分的市场占用量和市场美誉度。

 

产品别名

交直流分压器、数字高压表、高压表、高压数字表、分压器、阻容分压器、静电电压表、高压分压器、交直流分压器、交直流高压表、交直流高压分压器、交流分压器、直流分压器、交直流阻容分压器、交直流数字分压器、千伏电压表、千伏表

 

产品特性

1、为便于现场不同测量的需要，300kV以上电压的分压器设计成双节或三节的结构，这样实现了一表多用且携带更为方便；

2、分节结构时，单独使用一节测量较低电压，使用二节测量较高电压，使用三节测量全量程电压；

3、智能千伏表采用中文和英文点阵式液晶屏，可以测量峰值/√3、有效值、直流平均值、波峰因数、频率、电压波形等；

4、交直流自动装换，高压过压保护和高压闪络保护功能；

5、采用低温度系数阻容元件，低压臂上无任何可调装置，不存在因振动而影响精度的情况；

6、测量系统与高压部分完全分开，测量工作绝对安全可靠。

 

产品资料

根据电压波形选择不同型号，主要功能差异如下：

1、NAFRC交直流分压器适用于测量精度低于0.5%的工频交流高压或0-300Hz高压电压、直流准确度低于0.5%的直流测量。如全国各省、市级供电局、发电站、各种电力安装公司或各种大型用电企业电力检修单位等。

2、NAPD直流标准分压器适用于测量精度要求为0.2%、0.1%或0.05%的直流电压精密测量的场合。如全国各省、市级中试所或电力计量站或科研院所等。

3、NAPA交流标准分压器适用于测量精度要求为0.2%、0.1%、0.05%，频率为30-300Hz的交流电压精密测量的场合。如全国各种电缆生产企业对高压电缆做介质损耗试验或全国各省、市级中试所或电力计量站或科研院所当工频标准使用，测量30-300Hz的交流高压等。

4、NAVC超高压探头测量频率高达20MHz以上，直流测量准确度<0.1%，10Hz-1MHz脉冲高压测量精度<1.0%,1MHz以上测量精度<3%。与示波器配合使用，能测量各种电压波形，适用于对各种高压断路器、高频高压直流电源、粒子加速器或各种高压的高频特性进行分析。

5、NAPR脉冲分压器适用于各种标准雷电波的测量，响应时间小于100ns。

 

Product introduction

NAFRC series AC and DC divider, also known as digital high voltage gauge and resistance-capacitance divider voltage divider, user can select different accuracy according to the requirement of measuring voltage accuracy.The highest accuracy in this series are: AC: 0.5% / DC: 0.5%, For higher accuracy, you can choose our company NAPD Series Precision DC divider, NAPA Series Precision AC voltage divider. The NAFRC divider adopting potential screening high-voltage measuring device, is the latest research and develop product of the sixth generation equipment, compared to similar products from other companies, we are adopting the filling media which imported from U.S., the internal part of the divider have using several patented shielding technology, so that the product has a longer life and greater stability, we has occupied most of the market.

 

Also called name

AC and DC voltage divider, digital high voltage meter, high voltage gauge, high voltage digital meter, voltage divider, resistance-capacitance divider, electrostatic voltmeter, high voltage divider, AC-DC high voltage divider, AC-DC high voltage meter, AC-DC high voltage divider, AC voltage divider, DC voltage divider, AC-DC high voltage test device, resistance-capacitance AC-DC divider, AC-DC resistance-capacitance divider, AC-DC digital divider kV voltage meter, KV voltage meter, kilo voltmeter, NAFRC-type divider for AC/DC.

 

The Characteristics of the products

1. In order to facilitate the needs of different measurement on site, above 300kV voltage divider designed into the structure of double sections or three sections, it realizes multi-purpose and more convenient to carry;

2. When semetal structure, using one section to measure low voltage, using two sections to measure higher voltage, and using three sections to measure full-scale voltage;

3. Intelligent kilo voltmeter adopts dot matrix LCD English and Chinese screen, it can measure peak, √3 RMS, average DC, crest factor, frequency, voltage waveform and so on;

4. AC/ DC automatically changed, with functions of over-voltage protection and high voltage flash over protection.

5. Using low temperature coefficient of resistance and capacity components, there is no adjustable device on the low voltage arm, then there is no vibration to affect the precision.

6. The measurement system and the high voltage part is completely separated absolutely, measurement is safe and reliable.

 

Product information

Five series dividers used for High voltage measurement, the difference are in uses object and major function:

1.NAFRC Series AC-DC voltage divider used for measuring the power frequency which the accuracy is less than 0.5%, AC high voltage under 300Hz, and DC high voltage which the accuracy is less than 0.5%. Widely used in national wide and city level power supply bureau, power plant, varies of electrical installation company and power maintenance unit of large power enterprise.

2.NAPD Series Precision DC divider used for DC voltage precision measuring which the  accuracy demand is 0.2 %, 0.1% and 0.05 %.Such as the national wide and city level municipal pilot station, metering stations and research institutes .

3.NAPA Series Precision DC divider used for DC voltage precision measuring which the accuracy demand is 0.2 %, 0.1% and 0.05 %, and the frequency is 30-300Hz. Applying to high-voltage cable dielectric loss testing by national cable manufacturers, and as a power frequency standard in provinces & municipal pilot station and electricity metering station, while measuring 30-300Hz AC high voltage.

4.NAVC series high frequency divider measuring frequencies up to 1M-10M or more , the DC measurement accuracy is <0.1%, 10Hz-1MHz pulse pressure measurement accuracy is <1.0%, 1MHz above measurement accuracy < 3%. Suitable for analyzing the high-voltage circuit breakers, high voltage DC power supply , particle accelerator and  a variety of high-voltage high-frequency characteristics with an oscilloscope connection.

5.NAPR series pulses divider use for measuring variety of standard light wave, the response time is less than 100ns.

 

NAPR Series no PD Pulse Divider   NAPR高精度无局放分压器

产品简介 

NAPR系列无局放分压器又称耦合电容器，主要用于无局放测试系统测量交流电压或采集局放电压信号，该系列分压器与普通分压器比较，有以下几个不同点：

1、都可以测量高压电压，但普通分压器不能测量无局放的高压电压；

2、普通分压器一般电容量较小（小于500pF），而NAPR系列电容量较大，一般在600-1000pF；

3、普通分压器为干式介质，体积比较小，重量比较轻，测量准确度一般优于NAPR系列；

4、普通分压器一般单独使用，NAPR系列分压器一般与无局放电源一起配合使用；

产品别名

高压测试仪、数字高压表、高压测量仪、高压表、高压数字表、分压器、阻容分压器、静电电压表、高压分压器、交直流分压器、交直流高压表、交直流高压分压器、交流分压器、直流分压器、交直流两用高压测试装置、阻容式交直流分压器、交直流阻容分压器、交直流数字分压器、千伏电压表、千伏表、NAFRC型交直二用分压器

产品特性

1、NAPR系列无局放分压器采用便携式设计，配行车小轮，便于移动；

2、无局放设计，高压金属罩上自带2个M10连接孔，方便连接负载；

3、配备低压臂，既可当分压器使用，又可以当耦合电容器使用，一机二用，性价比高；

4、底座喷涂金属垂纹漆，防锈防油；

产品参数

1、电容量：600-1000pF(特殊容量可以定做)；

2、电压等级：50-1000kV

3、局部放电量：额定电压下局放量小于等于5PC;

4、绝缘介质：电容油

5、用于工频电压下电力设备的局放测量；

6、测量30-300Hz交流高压、无局放测试中作为耦合电容器

 

Product introduction

NAPR pulse divider is high-voltage measuring systems with under-damping and potential shielding. Mainly used for measuring for light wave, including light full wave,8/20us wave and other light waveform. It’s a special voltage divider for light waveform. Simple to operate, intuitive display, high precision, small in size, light in weight. It’s ideal high-voltage measuring equipment for Grid primary equipment testing(such as Zinc oxide lightning arrester waves steep testing, voltage transformer lighting full-wave testing, high-voltage switch lighting fill-wave testing, substation main transformer testing, high-voltage GIS testing,etc.), substation, high-voltage electrical equipment factory and high-voltage testing laboratory and other relative departments.

 

Also called name

NAPR Series pulse impulse divider, pulse divider

 

The Characteristics of the products

Adopting imported fill material and realizing highly stable, the inside adopt highly precision resistance and low tangent capacity, partial discharge. Small size, light weight, ans easy to take.

 

The parameters of the products

1, Voltage level: AC: 50 kV-2000kV (Able to withstand the impact of rates 110% voltage peak value )

2, Responding time: <120ns (special requirements can be customized)

3, Impact of voltage waveform:

Lightning impulse full wave (referred as to lightning full-wave lightning) the main parameters is peak UP, pre-wave time T1, half peak time T2, the pre-wave of standard lightning full-wave time  is T1 = 1.2us

Half peak value time is T2 = 50us.

In order to obtain highly accurate testing data, it is recommended to adopt US Tektronix which more than 200M oscilloscope, while the other technical specifications should meet the high-voltage lightning wave measurement requirements.

4, Accuracy: AC: 3.0%

5, Insulating medium: Imported capacitor oil

6, Environmental conditions:

  Temperature: 0℃ ~ 45 ℃

  Humidity: <85% RH

7, Divided voltage ratio: 1000:1 or (according to customer requirements)

 

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

Input frequency: 50Hz/60Hz optional

Note: Our users can select the corresponding power which based on their local supply voltage and frequency, and we will confirm it before the delivery (or inform us that the goods will be used in which country advance)