1. Built-in digital multiple function standard meter with Integrated structure of meter and power source electrical parameters can be read via software
2. adopts DDS technology CPLD and RAM embedded system featured with high stability of signal source output small fineness low distortion
3. RAM system large color LCD display massive information can be seen directly through screen
4. use PWM digital power amplifier with above 90% efficiency and 300KHz carrier frequency to have advantages of low distortion little heating high efficiency
5. Perfect protection function: voltage short circuit alarm open circuit and over load alarm
6. Built-in OCXO for 50KHz high precision impulse output which can be used to calibrate energy meter clock also can test day error/hour segment error when matching with meter calibration software (optional)
7. With 485 communication interface can do various communications test for universal meters
It is suitable for evaluating the insulation quality of high voltage transformergenenratorling-distance power cable and busbar under strong interference in the field of high-voltage substation and power plant.Specially used for 110KV and above large capacity transformer and long distance power cable power system
Product Introduction
Insulation resistance tester dedicated to the measurement of water-cooled generator test but also can be used for laboratory or field testing insulation testing to do. Output current greater than 25mA. The maximum output voltage of 2500V. Includes high-precision micro-current measurement system digital boost system. Just use a high-voltage lines and a signal line connecting the test product can be measured. Automatic measurement the results from the large screen liquid crystal display and store the results.
Product Characteristics
First the main features
1. 32-bit micro-controller Chinese user interface easy to operate.
2. Automatically calculates the absorption ratio and the polarization index and automatically save 15 seconds 1 minute 2 minutes 10 minutes to facilitate analysis of data per minute.
3. Output current (2500V the output is greater than 25mA) short-circuit currents greater than 40mA.
4. A fully enclosed high-voltage generator module technology the protection of the internal resistance safe and reliable.
Anti-interference ability to meet the EHV substation on-site operation.
5. Automatic discharge test is completed and real-time monitoring the discharge process.
Products Introduction
40KV vlf high voltage generator of this product fully complies with the standards of the electric power industry. Mechanical methods are widely used to modulate and demodulate ultra-low frequency signals, but there is no standard sine wave, some errors in high-voltage part measurement and spark discharge. The product can overcome the above shortcomings.
How to choose the suitable products for test ï¼?
Please make sure that the capacitance of test products is below the instrument rated capacitance. The waveform will be influence if the capacitance of test products is too small and the instrument can not normally output when it below 0.05µF. 0.05µF capacitor in parallel to auxiliary output. Below is the capacitance of some instrument for your reference.
VLF high voltage generator 70KV instrument can be widely used in cables, large-scale high-voltage rotating motors, and power capacitors for AC withstand voltage tests. The advantage is that the instrument is small in size, light in weight, and large LCD display.
Insulation resistance tester dedicated to the measurement of water-cooled generator test but also can be used for laboratory or field testing insulation testing to do. Output current greater than 25mA. The maximum output voltage of 2500V. Includes high-precision micro-current measurement system digital boost system. Just use a high-voltage lines and a signal line connecting the test product can be measured. Automatic measurement the results from the large screen liquid crystal display and store the results.
Product Characteristics
First the main features
1. 32-bit micro-controller Chinese user interface easy to operate.
2. Automatically calculates the absorption ratio and the polarization index and automatically save 15 seconds 1 minute 2 minutes 10 minutes to facilitate analysis of data per minute.
3. Output current (2500V the output is greater than 25mA) short-circuit currents greater than 40mA.
4. A fully enclosed high-voltage generator module technology the protection of the internal resistance safe and reliable.
Anti-interference ability to meet the EHV substation on-site operation.
5. Automatic discharge test is completed and real-time monitoring the discharge process.
This instrument is developed and designed according to the national power industry standard DL/ t506-2007 "insulation gas humidity measurement method for sulfur hexafluoride electrical equipment" and adopts the imported high-precision dew point sensor and new digital circuit control technology. It is a high-precision intelligent instrument to measure the trace moisture content in SF6 gas.
This instrument adopts intelligent self-calibration technology wide measurement range fast response high accuracy good linearity dynamic display of measurement curve. At the same time the instrument also has an automatic dryer which can greatly reduce the measurement time.
Product nickname intelligent micro water meter micro water meter micro quality meter.
3. Power electronics controlling technique has been adopted to output high current with high speed high precision and continuous adjustability.
4. Current range can be automatically switched by multiple high precision sensors.14 digit AD acquisition chip of high capacity.
5. Automatic data storage. Be capable of saving 200 testing results which will not lose in power failure.
6. Two options: ampere-second characteristic test or through current characteristic test.
7. When linking to PC it is available to do following operations such as controlling the instrument data importing data saving data report and data graph generation.
8. Protection functions for overheat over-current and over voltage.
9. Anti-interference capacity and good EMC(electromagnetic compatibility).
Product Introduction
With the development of society people have higher and higher requirements for the safety and reliability of power consumption. High-voltage circuit breakers have the dual tasks of control and protection in the power system. The performance of the power circuit is directly related to the safe operation of the power system. The mechanical characteristic parameter is one of the important parameters for judging the performance of the circuit breaker.
The Breaker Analyzer is a special instrument developed by the company to meet the needs of various high-voltage switch operating characteristics tests. It can accurately measure low-oil multi-oil vacuum sulfur hexafluoride and other high-voltage circuit breakers of various voltage levels. Mechanical dynamic characteristics parameters. The instrument adopts large screen display Chinese characters prompt man-machine dialogue mode operation Chinese characters display results and printouts with intelligent multi-function accurate data strong anti-interference simple operation small size light weight and beautiful beauty.
Product nickname High voltage switch mechanical characteristic tester High voltage switch comprehensive tester Circuit breaker dynamic characteristic tester Circuit breaker mechanical characteristic tester Circuit breaker comprehensive tester High voltage switch time characteristic tester High voltage switch characteristic tester Switching characteristic tester Breaker Analyzer Switch parameter tester
With the development of society people have higher and higher requirements for the safety and reliability of power consumption. High-voltage circuit breakers have the dual tasks of control and protection in the power system. The performance of the power circuit is directly related to the power system. Safe operation mechanical characteristic parameters are one of the important parameters to judge the performance of the circuit breaker.
Breaker Analyzer is a special instrument developed by the company to meet the needs of various high-voltage switch operating characteristics tests. It can accurately measure low-oil multi-oil vacuum sulfur hexafluoride and other high-voltage circuit breakers of various voltage levels. Mechanical dynamic characteristics parameters. Its main feature is that in addition to meeting the dynamic characteristics test of the general high-voltage switch on the market it also satisfies the test of Siemens graphite contact switch and can reliably test the dynamic resistance waveform of the three fractures of the graphite contact switch. The instrument adopts large screen display Chinese characters prompt man-machine dialogue mode operation Chinese characters display results and printouts with intelligent multi-function accurate data strong anti-interference simple operation small size light weight and beautiful beauty.
With the development of society people have higher and higher requirements for the safety and reliability of power consumption. High-voltage circuit breakers have the dual tasks of control and protection in the power system. The performance of the power circuit is directly related to the safe operation of the power system. The mechanical characteristic parameter is one of the important parameters for judging the performance of the circuit breaker.
The Breaker Analyzer is a special instrument developed by the company to meet the needs of various high-voltage switch operating characteristics tests. It can accurately measure low-oil multi-oil vacuum sulfur hexafluoride and other high-voltage circuit breakers of various voltage levels. Mechanical dynamic characteristics parameters. For circuit breakers with closing resistors the closing resistor and switching waveform can be accurately measured. The instrument adopts large screen display Chinese characters prompt man-machine dialogue mode operation Chinese characters display results and printouts with intelligent multi-function accurate data strong anti-interference simple operation small size light weight and beautiful beauty.
With the development of society people have higher and higher requirements for the safety and reliability of power consumption. High-voltage circuit breakers have the dual tasks of control and protection in the power system. The performance of the power circuit is directly related to the safe operation of the power system. The mechanical characteristic parameter is one of the important parameters for judging the performance of the circuit breaker.
The Breaker Analyzer is a special instrument developed by the company to meet the needs of various high-voltage switch operating characteristics tests. It can accurately measure low-oil multi-oil vacuum sulfur hexafluoride and other high-voltage circuit breakers of various voltage levels. Mechanical dynamic characteristics parameters. The instrument adopts large screen display Chinese characters prompt man-machine dialogue mode operation Chinese characters display results and printouts with intelligent multi-function accurate data strong anti-interference simple operation small size light weight and beautiful beauty.
Product nickname High voltage switch mechanical characteristic tester Switch mechanical characteristic tester High voltage switch comprehensive tester Circuit breaker dynamic characteristic tester Circuit breaker mechanical characteristic tester Circuit breaker comprehensive tester High voltage switch time characteristic tester High voltage switch characteristic tester Switching characteristic tester Breaker Analyzer Switch parameter tester
Product Introduction
With the development of society people have higher and higher requirements for the safety and reliability of power consumption. High-voltage circuit breakers have the dual tasks of control and protection in the power system. The performance of the power circuit is directly related to the safe operation of the power system. The mechanical characteristic parameter is one of the important parameters for judging the performance of the circuit breaker.
The Breaker Analyzer is a special instrument developed by the company to meet the needs of various high-voltage switch operating characteristics tests. It can accurately measure low-oil multi-oil vacuum sulfur hexafluoride and other high-voltage circuit breakers of various voltage levels. Mechanical dynamic characteristics parameters. The instrument adopts large screen display Chinese characters prompt man-machine dialogue mode operation Chinese characters display results and printouts with intelligent multi-function accurate data strong anti-interference simple operation small size light weight and beautiful beauty.
Product nickname High voltage switch mechanical characteristic tester High voltage switch comprehensive tester Circuit breaker dynamic characteristic tester Circuit breaker mechanical characteristic tester Circuit breaker comprehensive tester High voltage switch time characteristic tester High voltage switch characteristic tester Switching characteristic tester Breaker Analyzer Switch parameter tester
Impulse voltage generator is mainly used for impulse voltage test of power equipment such as lightning impulse voltage full wave lightning impulse voltage truncation wave and operating impulse voltage wave to test insulation performance.Impulse voltage generator a power supply device that imitates impulse voltages such as lightning and operating overvoltages.It is mainly used in insulation shock withstand voltage and dielectric shock breakdown and discharge tests.
Scope of application: standard lightning shock lightning cut-off wave for transformers reactors mutual transformers and other high voltage electrical appliances high voltage thyristor valve SVC(HVDC) power cables all kinds of high voltage insulators bushing operation shock and all kinds of non-standard shock wave impulse voltage test required by users.Various test waveforms (standard and non-standard waveforms user-generated waveforms) can be generated by a single set of equipment.Field of application: lightning protection and lightning test for quality inspection measurement inspection and supervision organizations power equipment manufacturers railway communications aerospace and aerospace vehicles military research units universities and meteorological departments.
900kV/67.6 kJ Lightning Impulse Voltage Generator Complete Test Equipment for Transformer Reactor Cable
VLF (Very Low Frequency) Testers are suitable for testing power cables transformers switchgear rotating machinery and other electrical apparatus.
1. Data of current voltage wave form can be directly sampled at high voltage side so the data is real and accurate.
2. Overvoltage protection: If the output exceeds the set limit of voltage the instrument will shut-down to protect itself the actuation time is less than 20ms.
3. Overcurrent protection: It is high-low voltage dual protection in the design the accurate shut-down protection can be made according to the set value at high voltage side; If the current on low voltage side exceeds the rated current the instrument will take shut-down protection the actuation time are both less than 20ms.
4. A high voltage output protective resistor is provided in the voltage boost body in the design and this eliminates the need of additional protect
Product Introduction
Dc Hipot Test Equipment for the power supply department, for example: DC HV withstand and leakage current test in power cables, the conductance current and 1mA reference voltage of magnetic blow out arrester and zinc oxide arrester test.ZGF DC Hipot Test Equipment supplies 60kV to 400kV from 60kV to 400kV is DC high voltage power supply equipment.It has functions of switch on protection under 0 voltage,over voltage and over current protection.They are high stability and reliability. ZGF is easy to operate , small in size and light in weight.
product features Product Characteristics
1 Series dc high voltage generators have small ripple coefficient stable and reliable voltage output no noise and good reliability
2 with overvoltage overcurrent zero voltage start and fault protection voltage protection value can be set display intuitive
3 voltage current using digital display and power supply has a reading easy to monitor the output status
4 with 0.75 times voltage conversion easy to test zinc oxide arrester
5 the product structure is compact small size easy to carry
Product Description
ZGS type DC high voltage generator used AIPWM technique adjusted the inaccuracy linearity of PWM technology let the instrument precision greatly improved. It is mainly used in the electric power department power department of industrial and mining metallurgy iron and steel enterprise for zinc oxide lightning arrester power cables transformers circuit breakers generators and other high voltage electrical equipment of DC withstand voltage test or DC leakage current test.
Product Characteristics
1 Dc high voltage generator adopts high frequency PWM technology to make closed adjustment with high voltage stability, small ripple factor and fast reliable protection circuit. The generator can endure direct discharge by devices of large capacitance. It is of small size and of light weight, convenient for field use.
2 Full range of linear smoothly adjusted voltage, with voltage regulation accuracy smaller than 0.1%; voltage measurement accuracy is 0.5%, resolution 0.1kv; Current measurement accuracy is 0.5%, the minimum resolution: control box 1A, shock resistance current 0.1A.
3 The generator uses AC 220 V power supply (AC220V±10%, 50 hz±1%), the ripple factor is less than 0.5%, and can be used for all-weather at the site .
4 High voltage multiplier uses Dupont materials for full solid encapsulation, overcoming the inconvenience brought by the air and oil filled equipment. Broad base and outer cylinder of light quality makes it stand steadily and more convenient for maintenance.
5 75% MOA voltage switch button, simple and convenient testing arrester.
6 Over-voltage setting function displays the over-voltage value during regulation process; perfect protection against discharge of over-voltage, over-current and short circuit. This is the best companion for cable experiments.
7 Perfect break line and non-zero potential start protection function protects the operator and samples at any time. This product has overall design of shock-proof control box, concise, clear panel design and voice prompt for operation.
product brief introduction Product Introduction
The Test Transformer(ac dc hipot tester) calls the booster it is the basic test equipment used by the power station supplying and distributing the electrical power system and the scientific research unit. Which used in the insulated intension test on all kinds of electrical products electrical equipments and insulated materials testing the insulated level of products discovering the insulated objection of quizzee scaling the capacity burdened voltage.
AC HV Testing Transformer Classification:
There are four kinds of high voltage testing transformer according to the medium points:
1. Oil-immersed high voltage transformer test: large capacity, cheap, convenient maintenance, mainstream products.
2. Inflatable high voltage test transformer : interrupter resistance, and light weight.
3. Dry type high voltage testing transformer: light weight, light volume, can run backward, price expensive.
4. Series type high voltage testing transformer: small volume, low voltage, light weight, easy to transport and install.
warning
1. Test transformer should be applied into use with control unit as for how to use control unit please see Operation Manual of Control unit.
2. Screening wire should be applied into the direct current test to avoid straying leakage. After test discharge rod is applied to release the restored electricity.
3. The end of high frequency voltage filtering capacitance should be connected with the ground wire together with crust of control unit to connect with the earth wire.
4. The whole test should follow the regulation in high frequency voltage test site should pay more attention to the safety of equipment and body.
