Overview Current transformer volt-ampere characteristic tester Only need to set the test voltage, current and step, the device will boost and trace voltage current characteristic test curve automatically, save the cumbersome labor of manual pressure regulation, artificial record, tracing curves, and so. Quick, simple and convenient. I can not only test CT/PT DC resistance, volt-ampere characteristics, ratio and polarity, 10% error curve, angle difference and ratio difference, but also test secondary load of transformer, CT current test and PT AC withstand voltage test. CT ratio not only supports traditional current method but also voltage method, so it can meet the test of CT in casing CT and GIS. Volt-ampere characteristic test single machine output voltage 0-2500V, current 0-20A, can meet most of the transformer volt-ampere characteristic test. 220V single power input and avoids the risk of using 380V. Current transformer volt-ampere characteristic tester Main Technical Parameters: Booster output current & voltage 1A/2500V 2A/1500V 5A/600V 10A/220V 20A/30V Current generator output current 600A Output power 3000VA Voltage and current measurement accuracy 0.2% CT ratio tests Range 1~40000 Voltage method / current method Accuracy 0.2% PT ratio tests Range 1~40000 Accuracy 0.2% Phase measurement Accuracy 5min Resolving power 0.5min Secondary winding resistance tests Range Accuracy 0.52m AC load tests Range 0~1000VA Accuracy 0.5% 0.05VA Power supply AC220V 10 50Hz work environment Size & Weight Size: 425 mm 290 mm 310mm Weight: 30kg
Overview The system is suitable for high-voltage 10KV, 35KV low voltage 400V capacity 5000kVA and the following transformer factory test and voltage 10kV capacity 3150kVA and below the distribution transformer no-load test, load test, variable ratio measurement, DC resistance measurement, power frequency withstand voltage test, sensitive The pressure test is integrated integrally integrated, digitized, reducing mechanical faults and reading errors, improves the accuracy and applicability of the overall test system, making the factory trial easier and faster. Technical parameter High pressure 35K, low pressure 400V capacity 5000kVA or less dry press factory test High pressure 10K, low pressure 400V capacity 5000kva dryer factory test High pressure 10K, low voltage 400V capacity 3150kVA or less oil immersion press factory test Voltage transformer metering range and accuracy Voltage Transformer Range: 100V 3.6kV Voltage transformer gear: 3.6kV, 2kV, 1.2kV, 0.6kV Current transformer accuracy: 0.05% Power frequency withstand voltage test Leak current: 300mA Output voltage: 100kV Function: The system has two operating modes (two ways to lock each other, can only work in an operation) automation, flexible design, high integration, complete function
Overview Light digital relay protection tester characteristics; 4/6/8 pairs of 100M Optical Fiber Communication Ethernet interface, can send and receive the sampling value of the IEC61850-9-1 / 2 frame format, Goose, IEEE-1588 packets; more support 24 sets of SV packets +64 groups of Goose packets simultaneously; 3/5 pairs of 2 ~ 10M fiber serial port, can send and receive IEC60044-7 / 8 FT3, national network expansion FT3, Xu Ji privately owned FT3 frame format sampling value " 12 road simulation small signal output, provides testing of protection devices input for small signals; Technical parameter: Fiber Ethernet port 4/6/8 pairs 100 Mbits / S, ST, Mode, 1310nm; IEC61850-9-1 / 2 / Le, Goose, IEEE-1588; Send dispersion:
Electricity power and marine.
Product description Electrical equipments in modern industrial, commercial and residential users are more sensitive to power quality, and have a higher requirement of quality of power supply. Currently, harmonics,electromagnetic interference, power factor reduction have been tied to the three hazard of the power system. When it is interfered or contaminated, grid power quality can t reach the national standards, so it has to be targeted on the grid power quality improvement. To understand the actual situation of power quality, you must have the appropriate equipment to test and analysis the actual situation. Counter the domestic condition, our company developed the professional power quality analysis instrument, which is suitable for the country. 3 phase handheld power quality analyzer Technical index Input characteristics Voltage measuring range 0 200V 800V, automatic cutting gear. Current measurement range Clamp transformers three types 5A 25A standard 100A 500A optional 400A 2000A optional Phase angle measuring range 0 359.99 Frequency measurement range: 45 55Hz. Voltage channels three channel UA UB UC Current channels three channel IA IB IC Maximum harmonic analysis times 63 times. Maximum continuous storage period in 1 minute interval: 18 months. Accuracy Measurement of electrical parameters section: Voltage 0.2% Frequency 0.01Hz Current, power 0.5% Phase 0.2 Power quality section Fundamental voltage tolerance 0.5% F.S. Fundamental current tolerance 1% F.S. Phase between fundamental voltage and current measurement erro0.2
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.
Light weight sandwich wall panel, energy saving block.
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 Insulation resistance tester with absorption ratio embedded real-time industrial microcomputer operating system, ultra-thin wire-shaped sheets header with the perfect combination of dot matrix liquid crystal display, the instrument is with a variety of voltage output level (250V,500V,1000V,2500V,5000V,10000V), high capacity, strong anti-interference, the pointer and digital synchronous display, AC-DC dual-use, simple operation, automatic calculation of various insulation index (absorption ratio, polarization index), all measured characteristics with the anti-power-down function . Technical index Measuring range and accuracy (Temperature, humidity: 235, 45 75%RH) Model BC2305 Rated Voltage 250V 500V 1000V 2500V 5000V Measuring Range 0.099.9M
Three-phase relay test set, AC high voltage test set, winding resistance test set, transformer capacity and power loss test set, current transformer test set, cablefault test set.
Solar controller, inverter, wind generator, medical device.
Electrical wire and power cable.Minor customization, design based customization
Product description 120KV 10ma DC Cable Test System is an important equipment for DC voltage withstand test and leakage current test of HV electrical equipments, cables, surge arresters in electriv industry and power supply departments. 120KV 10ma DC Cable Test System is developed based on the calibration made by National HV Meterage Station, it accords with the standard "Generation Requirement of Portable HVDC Generator"(ZGF 24003-90) Technique Index 1. power: AC220V+10%, 50Hz+1% 2. Output voltage indicator accuracy:
Hipot test, circuit breaker test, insulation resistance test, moa test, transformer test.
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
Product description The test transformer 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 Oil Immersed Testing Transformer 1 Technical index Model Capacity High Frequency Voltage Output Voltage High Frequency Voltage Output Current ) Low Frequency Voltage input Change Tempera- ture raised 30 minute V A 1.5 50 30 200 7.5 500 10 3 50 60 200 15 500 10 5 50 100 200 25 500 10 10 50 200 220/380 50/26 500 10
Product description The test transformer 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 Oil Immersed Testing Transformer 1 Technical index Model Capacity High Frequency Voltage Output Voltage High Frequency Voltage Output Currentm) Low Frequency Voltage input Change Tempera- ture raised 30 minute V A YD G1.5 1.5 50 30 200 7.5 500 10 YD G 3 3 50 60 200 15 500 10 YD G 5 5 50 100 200 25 500 10 YD G10 10 50 200 220/380 50/26 500 10 YD G 20 20 50 400 380 53 500 10 YD G 30 30 50 600 380 79 500 10 YD G 40 40 50 800 380 105 500 10 YD G 50 50 50 1000 380 132 500 10
Product description This instrument absorbs the advanced technology of similar products at home and abroad, and can set up various parameters through the keyboard. This machine has a power down protection, over temperature protection, "0" C protection and gas protection, automatic electronic ignition, etc. it has the characteristics of stable and reliable performance, simple and reasonable structure, simple operation, high expansibility, etc. Technical index Temperature control: a. Chromatographic column chamber temperature a.1 Temperature control range: room temperature +8 400(Set the temperature increment 1) a.2 The precision of temperature control: It is±0.1, which is below 200;
Product description: standard current transformer is used as a standard for calibrating current transformers, Used as a standard to calibrate current transformer whose accuracy class is two or more lower than itself. The grounding pole of the machine shell must be grounded. To avoid electric shock, the conductor must be connected to the ground Technical index 1. Temperature: -5-40 2. Relative humidity: 80% 3. Allow long-term work under the rated current; More than 600A across the core. Feature; 1. The current of standard CT and tested CT must be the same in CT calibration. 2. Follow the given wiring diagram strictly. 3. Test whether the load box is accurate or not before calibrating the transformer. 4. Forbid secondary winding opening during the calibration. 5. Select demagnetization before calibration.Short out the secondary winding before cutting off the power when the demagnetization is finished. 6.Principle wiring diagram of CT with large current generator is similar to above diagram. They are the same except the output winding of large current generator and primary winding of transformer are the same one.
Product Introduction TKJB - 1200 Six phase voltage and six phase current can be output, which has made it is possiable to be any combition, such as the output mode of the combination of conventional four phase current and three-phase current, six phase voltage mode, six phase current mode and 12 phase output mode. It not only can be compatible with the traditional way of various tests, but also can conveniently carry out differential test of three-phase transformer Product Characteristics 1 Meet all field test requirements.The Microcomputer relay protection tester is a standard of six phase current six phase voltage output at the same time the current a/phase 30 voltage125V/phase.Six - phase current in parallel up to 180A.It can not only test the traditional relays and protection devices but also test the modern microcomputer protection especially the transformer differential protection and backup self-switching device the test is more convenient and perfect. 2 All kinds of technical indexes have reached the standard of DL/ t624-1997 "technical conditions of microcomputer test equipment for relay protection" issued by the ministry of electric power. 3 Classic WindowsXP operation interface man-machine interface friendly easy and quick to operate;The high-performance embedded industrial control computer and 8.4-inch TFT true-color display with a resolution of 800-600 provide rich and intuitive information including the current working status of the device and various help information. 4 The native Windows XP system with recovery function to avoid illegal shutdown or misoperation caused by the system crash. 5 The device has an ultra-thin industrial The keyboard and a photoelectric mouse that handles everything just like a PC. 6 The main control board adopts DSP+FPGA structure and 16-bit DAC output which can generate high-density sinusoidal wave of 2000 points per week for the basic wave greatly improving the quality of waveform and improving the precision of tester. 7 High-fidelity linear power amplifier ensures the accuracy of small current and the stability of large current. 8 The Microcomputer relay protection tester with USB interface and PC communication directly without any connection easy to use. 9 Connect to laptop (optional) to run.Laptop computer and industrial computer use the same set of software no need to learn how to operate. 10 It is equipped with the independent auxiliary voltage source output the output voltage is 110V(1A) and 220V(0.6a) respectively.To be used by relays or protective devices that require dc working power. 11 With the function of software self-calibration it avoids the need to open
