The function, test method and purpose of zinc oxide arrester characteristics tester

Zinc Oxide Arrester test items include: insulation resistance, DC voltage under 1MA, DC leakage current under 0.75 times voltage, DC leakage current and AC characteristics. Then there is the discharge counter check.

Main features of MFC-HI arrester discharge counter action tester â—† Suitable for valve arresters (including ordinary valve type of carbonized silicon (FZ and FS), carbonized silicon magnetic blow valve type (FCZ and FCD)) and discharge recorder of zinc oxide arrester Discharge action detection and verification.

Technical Parameters:

◆Discharge test voltage: more than 0~2KV

â—† Charging time: less than 1min

◆ Power supply for the instrument: AC220±10%50HZ

Power consumption is less than 30VA

◆ Instrument size: 300×220×180(mm)

â—† Instrument weight: 6kg

MOA-30KV Zinc Oxide Arrester DC Parameter Tester Product Overview The MOA-30KV Zinc Oxide Arrester DC Parameter Tester is designed to detect internal defects in 10kV and below power system gapless zinc oxide surge arrester MOA valve contacts, measuring MOA The DC reference voltage (U1mA) and leakage current at 0.75U1mA.

Features:

â—† MOA-30KV zinc oxide surge arrester DC parameter tester with automatic measurement, easy to operate, fast use of automatic control principle 1mA current and 0.75 times the DC reference voltage for precise closed-loop adjustment, using a microcomputer to control the measurement process, only need to press a button It can automatically measure the DC reference voltage at 1mA of the zinc oxide surge arrester and the leakage current at 0.75 times the DC reference voltage. The whole process takes only 15 seconds, which is very suitable for batch measurement.

â—† MOA-30KV zinc oxide lightning arrester DC parameter tester adopts integrated structure, small size, light weight. The instrument combines DC high-voltage power supply, measurement and control system into one body. All components are concentrated in one chassis, with small size, light weight, etc. Features.

◆ MOA-30KV zinc oxide surge arrester DC parameter tester adopts special process design, simple wiring technology parameters ◆ Measurement range: voltage 0~30kV

Current: 0~1000μA

â—† Measurement accuracy: voltage 1%

◆Environmental temperature:0~+40°C

◆Relative humidity: ≤85% at 25°C

â—† Altitude: <1000M

◆ Supply voltage: 220V±10%

◆Power frequency: 50±1HZ

Arrester AC characteristics:

â—†MLC-HI Zinc Oxide Arrester Property Tester is a special test instrument for on-site and laboratory detection of the relevant electrical parameters of lightning arresters.

â—† MLC-HI zinc oxide surge arrester characteristics tester takes the advanced microcomputer as the control and operation core, adopts accurate mathematical model, fully considers the external interference to the instrument measurement, and the software itself is accurate and reliable.

â—† MLC-HI Zinc Oxide Lightning Arrester Characteristics Tester adopts a special weak signal sensor and is completely isolated from the measured arrester, which ensures the safety of the instrument and the user.

â—†MLC-HI zinc oxide arrester characteristics tester adopts large-screen liquid crystal display.

â—†In order to facilitate the user to analyze and save the test data, MLC-HI Zinc Oxide Arrester Property Tester can store the test data of the first 20 times, which is convenient for user inquiries, and configures a micro-printer to select whether to print the data. .

Technical indicators:

â—† Measurement parameters and range:

◆AC voltage: 2~220V

â—†Leakage full current (effective value: 0 ~ 20mA

◆Resistive leakage current (peak):0~20mA

â—†Capacitive leakage current (effective value): 0 to 20mA

â—† Third harmonic value (peak value) of leakage current: 0 to 20mA

◆Lightning arrester power consumption:0~9999W

â—† In addition to displaying the above measurement values, the voltage and full current waveforms can also be displayed.

â—† Measurement accuracy: 2%

â—†Input signal:

â—† Voltage (peak): PT's low-voltage test AC2 ~ 200V

â—† Current (peak): AC0 ~ 20mA

â—† Supply voltage: AC220V+10%50HZ+2%

â—†Working environment:

◆Temperature: -10~40°C

◆Humidity: ≤85%

Relationship between dielectric loss and temperature and frequency of fluorphlogopite

The main performance of fluoride crystal mica used in the field of electrical insulation: The 13th Institute of Shijiazhuang, the CLP Group and the Second Aviation Academy of the Air Force

Institute of Fluid Physics, China Academy of Engineering Physics (Nine Institute of Mianyang), Institute of High Energy Physics, Chinese Academy of Sciences, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, National Synchrotron Radiation Laboratory, Hefei Institute of Physical Chemistry, Chinese Academy of Sciences , 50th Institute of China Electronics Technology Group Corporation (Shanghai), 23 Institute of the Second Institute of China Aerospace Science and Industry Corporation, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing Institute of Radiometrics, 12th Institute of China Electronics Technology Group (Semiconductor 12).

Mica Insulation Pad

Mica Insulation Pad,Insulation Pad,Mica Insulation Film,Mica Insulation Material

Changchun City Taiyuan FluorphlogopiteCo. Ltd. , http://www.micaslice.com