Summary
The Arrester is suitable for testing the internal defects of 10KV and below 10KV MOA (metal Oxide Arrester).Before the annual season of thunderstormsit 's necessary to test metal Oxide using 1mA DC voltage and 0.75U1mA leakage current at Power plants/substations.The equipment was developped according to the requirement of site it 's integrated with DC HV supplymeasurement and control system. it has the characters of small size and light weight.
Feature
1.Supply power: AC220V or Charging battery.
2.LCD display test datas.
3.Convenient to carry.
Product description The metal oxide arrester tester is used for the measurement and analysis of metal oxide arrester MOA leakage. It is mainly used for measuring the resistive current to analyze the degree of zinc oxide aging and damp. The field charged test shall conform to Electric Power Industry Standard of the People's DL474.5-92 Guide for Insulation Test on Site - Lightning Arrester Tests. The metal oxide arrester tester can be also used for factory and acceptance tests. Zinc oxide arrester tester Technical Indexes Range of reference voltage input peak 10V-200V Measurement range of full leakage current peak 100uA 10mA Measurement range of resistive current peak 100uA 10mA Measurement range of capacitive current peak 100uA 10mA Measurement range of angle 0-90 Power consumption 4W System measurement accuracy reading 5 5 words not more than 2m for harmonic current AC power supply AC 220V 10 50Hz 1 Precautions When measure the reference voltage from PT or the measuring end of the testing transformer, carefully check wiring to avoid the PT secondary or test voltage short circuit. Be careful not to wrongly connect the current and voltage sampling lines in the connecting process. In the laboratory experiment, the high voltage power supply cannot use the series excitation testing transformer.
Application: TKBLQ-I zinc oxide arrester tester is a special instrument used to test the electrical performance of arresters. The instrument is suitable for live or power failure detection of arresters of various voltage levels, so as to timely detect the internal insulation damp and valve aging and other dangerous defects. TKBLQ-I zinc oxide arrester test instrument is easy to operate and easy to use. The whole measuring process is controlled by microcomputer. It can measure the total current, resistive current and its harmonics, power frequency reference voltage and its harmonics, active power and phase difference. The real waveform of voltage and current can be displayed on the large screen. Features: 1. 5.7 "320 Ã?? 240 LCD, high-speed thermal printer; graphic display, intuitive interface, easy to operate and use. 2. It is applicable to live arrester, power failure or laboratory. 3. The current and voltage sensors are completely isolated, safe and reliable. A, B, C three-phase arrester can be stored as a group of test data. 4. The instrument can test continuously, display voltage current curve, and print data and curve quickly. 5. The internal configuration memory can store 200 groups of test data when power down. 6. With RS232 communication interface, the test data can be exported through the upper computer. 7. High speed sampling frequency, advanced digital signal processing technology, strong anti-interference performance, high accuracy of measurement results. 8. It adopts dustproof, waterproof and anticorrosive engineering plastic sealing box, which is small in volume, light in weight and easy to carry.
TKBLQ-II zinc oxide arrester tester is a special instrument used to test the electrical performance of zinc oxide arrester. The instrument is suitable for live or power failure detection of zinc oxide arrester of various voltage levels so as to timely detect the internal insulation damp and valve aging and other dangerous defects. TKBLQ-II zinc oxide arrester tester is easy to operate and easy to use. The whole measuring process is controlled by single chip microcomputer. It can measure the total current resistive current and its harmonics power frequency reference voltage and its harmonics active power and phase difference. The instrument uses digital waveform analysis technology harmonic analysis and digital filtering software anti-interference methods to make the measurement results accurate and stable. 1. This machine adopts large screen LCD display all English menu operation easy to use. 2. High precision sampling and processing circuit and advanced Fourier harmonic analysis technology ensure more reliable data. 3. The instrument adopts high-speed magnetic isolation digital sensor to directly collect the input voltage and current signals which ensures the reliability and safety of the data. 4. Support wireless synchronous voltage sampling mode (type II). 5. The instrument can use electric field induction instead of PT secondary wiring (type I). 6. It has the functions of resistive current fundamental peak output and side phase correction. 7. The instrument is equipped with rechargeable battery calendar clock and micro printer which can store 120 sets of measurement data.
This Tester is used to verify the electrical performance of Zinc Oxide Arrester. The instrument is suitable for various kinds of voltage levels zinc oxide arrester de-energized testing or energized testing thus define the risk and inner insulation moisture and valve aging defects. 1. 800 Ã?? 480 color LCD touch screen and high speed thermal printer. 2. Long distance wireless transmission. PT signal wireless transmission distance more than 400 m up to 2000 m; 3. Applicable for arrester de-energized test energized test and lab room test. 4. Three-phase current and three-phase voltage test simultaneously current and voltage sensor is isolated safe and reliable. 5. Two signal sampling methods support no voltage mode software calculation to get voltage reference 6. Built in high energy lithium battery And only weak current inside the instrument voltage is less than 12 volts. 7. Equipped with industrial grade operating system support direct shun-down mode 8. With 4G SD card can store massive testing data 9. With USB interface 10. Advanced data processing system support historical data management data analysis report automatic generation&printing 11. High sampling rate advanced digital signal processing technology high anti-interference performance and high precision. 12. With dust-proof waterproof anti-corrosion engineering seal box package small volume light weight and portable.
Overview zinc oxide arrester tester is a special instrument used to test the electrical performance of zinc oxide arrester. The instrument is suitable for live or power failure detection of zinc oxide arrester of various voltage levels so as to timely detect the internal insulation damp and valve aging and other dangerous defects. zinc oxide arrester tester is easy to operate and easy to use. The whole measuring process is controlled by single chip microcomputer. It can measure the total current resistive current and its harmonics power frequency reference voltage and its harmonics active power and phase difference. The instrument uses digital waveform analysis technology harmonic analysis and digital filtering software anti-interference methods to make the measurement results accurate and stable. Parameter: 1. Full current measurement range: 0-10mA effective value 50Hz/60Hz accuracy: (reading 5% + 5a) 2. Measurement accuracy of resistive current fundamental wave (secondary method without Interphase Interference): (reading 5% + 5a) 3. Current harmonic accuracy: (reading 10% + 10a) 4. Reference voltage input range: 25V-250V RMS total harmonic content 30% 50Hz/60Hz 5. Reference voltage measurement accuracy: (reading 5% + 0.5V) 6. Voltage harmonic measurement accuracy: (reading 10%) 7. Angle between fundamental current and fundamental voltage: 0-360 8. Working time of battery: 6 hours of main engine charging power supply: 220 V 10% 50Hz/60Hz charging time: 5 hours 9. Host volume: 325 280 140 10. Host weight: 3.5kg (without cable)
This instrument is carefully designed and developed by the relevant technical personnel of our company according to the needs of power users. The product is beautiful in appearance and easy to carry and use. It replaces the traditional bulky test instruments and test methods and is very popular among professionals. 1. Small size and light weight. 2. The measurement process is safe and fast and the measurement result is accurate.
Key specifications/special features for surge arrester: System nominal voltage(kv): 33 Type code of moa: yh10w-30/90 System highest voltage(kv): 36 Rated voltage of arresters(ur)(kv): 30 Continuous operationg voltage(ur)(kv): 24 Nominal discharge current(in)(kv): 10 High current 4/10 impulse withstand(ka): 100 2ms rectangular current(a): 250 Steep current impulse residual voltage(kv): 99 Lightning impulse residual voltage(kv) 5ka: 85 10ka: 90 20ka: 101 Switching current impulse residual voltage(kv): 69 Lind discharge class: i Pressure relief class: b, 20 Insulation impulse withstand voltage(kv): 170 Power frequency withstand voltage(kv): 95 Max. External riv(v):
Metal oxide varistor is the core of the arrester, which main component is zinc oxide and with a small quantity of bismuth oxide, fluoride oxide, manganous carbonate, antimony oxide and other gleam of additive and made with high temperature. Compared with traditional carborundun, mov(metal oxide varistor)has greatly mended voltage current characteristic and improved through-current capability, thereby to line up protection. Standard.
A metal oxide arrester (MOA) is an electrical device that is designed to protect electrical systems and equipment from surges caused by lightning, switching operations, and other sources of overvoltage. The MOA technology utilizes a metal oxide varistor (MOV) element that provides low impedance paths for high voltage surges, thereby diverting the excess energy to the ground. YF POWER is a leading metal oxide surge arrester suppliers and metal oxide surge arrester manufacturers, recognized for their reliability, durability, and performance. YF POWER's MOA products provide superior protection against lightning and overvoltage surges, making them the ideal choice for use in power distribution systems, substations, wind turbines, and many other applications. YF POWER's MOA products are designed to meet international standards and undergo rigorous testing to ensure high performance and long service life. YF POWER's MOA technology features a robust construction that withstands harsh environmental conditions and provides years of reliable protection. YF POWER offers a range of MOA products, including station-class MOA, intermediate-class MOA, distribution-class MOA, and many more, to meet the diverse needs of customers. YF POWER's commitment to excellence has made it a trusted partner to customers across the globe. Advantages of Metal Oxide Arresters Metal oxide varistor surge arrester offer several advantages over other surge protection devices, including: High Energy Handling Capability: gapless metal oxide surge arrester can handle high energy surges, making them suitable for a wide range of applications, including high voltage and extra high voltage power systems. Fast Response Time: metal oxide type lightning arrester have a faster response time than other technologies, providing immediate protection against overvoltage surges. Low Voltage Protection: Metal oxide arresters can provide low voltage protection, making them suitable for electronic equipment, such as computers and televisions. Long Service Life: Metal oxide arresters have a long service life, which reduces the need for maintenance and replacement. Environmental Resistance: Metal oxide arresters are resistant to harsh environmental conditions, making them suitable for use in various industries, including wind power and oil and gas. Overall, the advantages of metal oxide arresters make them a reliable and effective option for surge protection in a variety of applications. For more information about what material is used in metal oxide arrester and overhead power line hardware, please feel free to contact us!