Overview Microcomputer relay protection tester also known as three-phase microcomputer relay protection tester, three-phase microcomputer relay protection tester is a special power relay protection tester.Three-phase microcomputer relay protection tester has 4 phase voltage 3 phase current output, suitable for various types of relay protection device test.Three-phase microcomputer relay protection tester adopts high speed and high performance digital control processor as control microcomputer, and the software uses double precision algorithm to generate arbitrary high precision waveform of each phase.Because of the integrated structure, each part is closely combined, the data transmission distance is short, and the structure is compact.It overcomes the problem of low number of output waveform points caused by long data communication line and narrow frequency band in the measurement and control instrument directly controlled by laptop computer. Technical parameter : AC current output Output accuracy Phase current output (effective value) Three merge current output (effective value) 120A Phase electric length time allows work value (effective value) 10A Phase current maximum output power 420VA Maximum output power at the maximum output of three 900VA Working time is allowed when the maximum output of the three mesh is output 10s Frequency range (fundamental) 20 1000Hz Harmonics 1 20 times AC voltage output Output accuracy Level 0.2 Phase voltage output valid value 120V Line voltage output valid value 210V Maximum voltage output value 240V Phase voltage / line voltage output power 80VA /100VA Frequency range (fundamental) 20 1000Hz Harmonics 1 20 times
Overview This device is designed and manufactured for 35kV cable AC withstand voltage test. The reactor is individually designed for multiple units, which can not only meet the test conditions of high-voltage and low-current equipment, but also meet the low-voltage AC withstand voltage test requirements of 10kV cables. The special AC resonance test system for cables adopts the method of adjusting the frequency of the power supply, so that the reactor and the capacitor under test can achieve resonance, and the high voltage and large current can be obtained on the test product. It is a new method of current high voltage test and The trend has been widely used at home and abroad. The AC resonance test system uses a dedicated SPWM digital waveform generator chip with a frequency resolution of 16 bits, and the frequency fineness can reach 0.1 Hz at 20 to 300 Hz; it adopts an orthogonal non-synchronous fixed carrier modulation method to ensure that the entire frequency The output waveform is good in the interval; the advanced IPM module is used in the power part to ensure the stability and safety of the instrument under the minimum weight. The test system consists of a frequency and voltage regulation power supply, an excitation transformer, a reactor, and a capacitor divider. Technical index 1. the resonant excitation power supply only needs 1/Q of test capacity, which is 1/10-1/30 of common test unit and reduces the system weight and volume greatly. 2. Rated voltage: 1.108kV meeting the alternating current withstand voltage test for 35kV cable; 2.Waveform distortion rate of output voltage should be less than 1.0 3.The permissible continuous working time is to work for 5 minutes at one time under rated condition. 4.Quality factor of unit itself: Q 50 Advantage 1.The power capacity needed is reduced greatly. 2.The weight and volume of equipment is reduced greatly. 3.The waveform of output voltage is improved. 4.The large short-circuit current is prevented from burning fault point. Feature: 1. A large number of cables with voltage levels of 35kV and below are used, and the test workload is large, so this type of withstand voltage test device is small in size and light in weight, and a portable cable withstand voltage test system was born; 2. This system requires that the weight of the parts that a single person can move on-site does not exceed 30kg, and the weight of the parts that two people can move on-site does not exceed 60kg, which is suitable for on-site transportation; 3. The power supply adopts 220V single-phase power supply or 380V single-phase power supply, which is convenient for on-site power supply; 4. The reactor part is made of dry epoxy casting, which is beautiful and reliable, suitable for the requirements of various cables; 5. The withstand voltage test of 110kV and above cables adopts oil-immersed reactors.
Product description Insulating boots and gloves withstand voltage device is a power frequency power supply with low voltage working voltage of 220V/50Hz for insulating boots and gloves. According to the principle of electromagnetic induction, the input voltage is changed to the minimum value required for the test. high pressure. Insulating boots (gloves) withstand voltage test device generally consists of a special dedicated test box, an intelligent power frequency withstand voltage console, and a power frequency withstand voltage test transformer. A special water tank can be customized according to needs to test 6-8 insulated boots or 6 insulated gloves at a time, and display the leakage current of the insulated boots or insulated gloves at the same time. The intelligent power frequency withstand voltage console is equipped with overcurrent protection and zero protection. Time protection and alarm function. The preventive voltage resistance test device for insulating boots and gloves is a special product developed and produced according to the needs of users according to the test procedures of insulating boots (gloves). The selection has an automatic boost (buck) function, automatically reads the leakage current of each test product, the whole process is automatically completed, and the test data is automatically printed, which effectively solves the previous non-standard test methods, thereby simplifying .Simplifies the test procedure and improves the test speed. More reliable identification of parameters such as leakage current and power frequency withstand voltage of insulating boots (gloves). To ensure the safety of test personnel, it is an ideal pre-treatment of insulating boots (gloves) to protect power frequency withstand voltage test equipment. Technical Parameters Input voltage AC220V 50 Hz Output voltage 0~30kV Capacity 3kVA Test number 3 pairs each time Quality Gloves (insulating boots) test car: 80kg; power frequency withstand voltage test bench: 70kg Insulated boots gloves withstand voltage
Overview The transformer integrated test system complies with GB1094, GB / T4776, GB / T5169 and other relevant national standards. With the increase in transmission and electrical power generation and the continuous increase in power grids, the successful transformation of the national city network, the farnet, and the number of online quantities and capacity of power transformers are increasing. Technical parameter: Equipment measurement range and precision Voltage metering range: 50V 500V Voltage metering accuracy: 0.2% Current metering range: 0.1a 5a (can be 0.1A 1A) Current metering accuracy: 0.2%; Power frequency withstand voltage test Leak current: 400mA Input current monitoring instrument Monitoring range: 200A Function: Equipment failure automatic detection function, automatically detect peripherals, such as: the voltage regulator is zero, etc .; Test item: no-load loss measurement, no-load current percentage (automatic conversion to the value of the rated voltage), load loss measurement, the impedance voltage percentage (automatic conversion to the rated current reference temperature) Automatic measurement (voltage ratio measurement, connection group label test), external pressure test (power frequency withstand voltage test), induction pressure test (multiplier multiplier test), insulation resistance measurement, lightning shock test, insulation Oil test (breakdown voltage, flash point, acid value, volume resistivity, moisture, etc.), local discharge test, temperature rise test
Overview High voltage insulation megohmmeter is composed of medium and large scale integrated circuits. This meter has large output power high short-circuit current value and large output voltage grades (there are four voltage grades). The working principle is as follows: the DC high voltage generated by the battery inside the machine as power supply and converted by DC/DC reaches the L pole from the E pole by the tested product so as to generate a current from E to L pole. After I/V conversion and operation by the divider the measured insulation resistance value is directly displayed by LCD. Technical Parameters Working Conditions environment temperature relative humidity 85%RH output voltage level 500V 1000V 2000V2500V measurement range 019990M Resolution 0.01M0.1M1.0M10.0M relative error Voltage/load 2500V/20M Voltage drop about10% short-circuit current 1.6mA direct current 81.5V(AAR6)battery alternating current 220V/50Hz Power quiescent dissipation
Product description The Transformer short circuit impedance tester comes with an adjustable power output. Regardless of single phase or three phase transformers, only one connection is required, and the instrument can complete the measurement of all winding pairs. The test and connection are simple. Main technical indicators and conditions of use Measurement accuracy voltage, current 0.2 level Power COS 0.1 0.5 grade, COS 0.1 1.0 grade Impedance COS 0.1 0.5 grade COS 0.1: 1.0 grade Voltage measurement range AC 3V 300V Internal power output range voltage 0 250V, current 0 10A Current measurement range AC 0.2A 20A Working temperature 10 50 Working humidity 0 80 Working power supply AC220V 10 50Hz 1Hz Dimensions 360mm 220mm 150mm Weight of the instrument 20Kg Transformer Short circuit Impedance Tester
Overview Gas recovery inflatable device. The system includes vacuum and return system, purification system, compression system, condensing system, can be applied to various power supply companies, transmission and power generation engineering companies, power plants, high voltage transmission power stations, SF6 electrical switch manufacturing plants, etc. The department, as a Auxiliary equipment used by SF6 electrical products such as GCBP, GCBT, GIS, in installation, modulation, and overhaul. The above electrical products are used to recover, return, vacuum, gaseous, and liquid storage. The system can also be used as a device that evacuates and recover other expensive gases. Technical parameter Product recommendation model Size mm Weight kg Product Usage 12Q 4 40 1750 800 1550
Product description Anti Emulsification performance automatic tester meets the requirement of GBT 7305-87 and GBT 7605-87, which adopts 32-bit high-performance microprocessor, high definition color touch screen and digital PID control algorithm to achieve high accuracy of temperature control, good repeatability, automatic lifting of stirrer, simultaneous test of four samples, smart storage and convenient check of test result. Technical index Temperature measurement Platinum resistance Water bath temperature 54 Room temperature 100 can be set arbitrarily Control accuracy 0.1 Stirring speed 1500 15 rmin Number of cylinders 4 Self-check function Stirring device lifting and rotating Display High definition color touch screen Power supply AC 220V 22V Power 1800VA Frequency 50Hz 2.5Hz Ambient temperature 10 35 Ambient humidity 85 Weight about 24kg Profile size 358mm 302mm 858mm Anti-emulsification performance automatic tester
Overview In the power system factories and enterprises have a large number of electrical equipment. Most of its internal insulation is oil-filled insulation type. Dielectric strength test of insulating oil is a necessary routine test item. In order to adapt to the rapid development of the power industry our company is the first in China to develop a fully automatic oil dielectric strength test system. This series of products according to the latest national standard GB t507-2002 the power industry standard dl429.9-91 and the latest power industry standard DL t846.7-2004 design and manufacture using microcomputer control mechanical and electrical integration of all automation high test accuracy greatly improve the work efficiency but also greatly reduce the labor intensity of the staff. It is agreed that this series of products is the ideal insulation oil voltage test equipment in China. Specification Technical Parameters Power supply voltage AC 220V22V Power frequency 50Hz 2.5Hz Work rate 200W output voltage 0-80kV Booster capacity 1.5kVA Booster speed 2.0 2.5 3.0 3.5kV s adjustable Total voltage distortion 3 Installation dimensions 470 390 420mm3 Weight 40kg Conditions of Use Environment temperature 40 Relative humidity 80 Capacity of the oil cup 200ml Distance between the electrodes 2.5mm
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